diff options
Diffstat (limited to 'charms/trusty/ceilometer-agent/hooks')
70 files changed, 0 insertions, 14281 deletions
diff --git a/charms/trusty/ceilometer-agent/hooks/ceilometer-service-relation-changed b/charms/trusty/ceilometer-agent/hooks/ceilometer-service-relation-changed deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/ceilometer-service-relation-changed +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/ceilometer_contexts.py b/charms/trusty/ceilometer-agent/hooks/ceilometer_contexts.py deleted file mode 100644 index 6523e79..0000000 --- a/charms/trusty/ceilometer-agent/hooks/ceilometer_contexts.py +++ /dev/null @@ -1,73 +0,0 @@ -# Copyright 2016 Canonical Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import base64 -import os - -from charmhelpers.core.hookenv import ( - relation_ids, - relation_get, - related_units, -) - -from charmhelpers.contrib.openstack.context import ( - OSContextGenerator, - context_complete -) - - -class CeilometerServiceContext(OSContextGenerator): - interfaces = ['ceilometer-service'] - keys = [ - 'debug', - 'verbose', - 'rabbitmq_host', - 'rabbitmq_user', - 'rabbitmq_password', - 'rabbitmq_virtual_host', - 'auth_protocol', - 'auth_host', - 'auth_port', - 'admin_tenant_name', - 'admin_user', - 'admin_password', - 'metering_secret' - ] - - optional_keys = [ - 'rabbit_ssl_port', - 'rabbit_ssl_ca' - ] - - def __init__(self, ssl_dir=None): - self.ssl_dir = ssl_dir - - def __call__(self): - for relid in relation_ids('ceilometer-service'): - for unit in related_units(relid): - conf = {} - for attr in self.keys: - conf[attr] = relation_get( - attr, unit=unit, rid=relid) - if context_complete(conf): - for attr in self.optional_keys: - conf[attr] = relation_get(attr, unit=unit, rid=relid) - if conf.get('rabbit_ssl_ca') is not None: - ca_path = os.path.join( - self.ssl_dir, 'rabbit-client-ca.pem') - with open(ca_path, 'w') as fh: - fh.write(base64.b64decode(conf['rabbit_ssl_ca'])) - conf['rabbit_ssl_ca'] = ca_path - return conf - return {} diff --git a/charms/trusty/ceilometer-agent/hooks/ceilometer_hooks.py b/charms/trusty/ceilometer-agent/hooks/ceilometer_hooks.py deleted file mode 100755 index d41e190..0000000 --- a/charms/trusty/ceilometer-agent/hooks/ceilometer_hooks.py +++ /dev/null @@ -1,106 +0,0 @@ -#!/usr/bin/python -# -# Copyright 2016 Canonical Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import sys -import json -from charmhelpers.fetch import ( - apt_install, filter_installed_packages, - apt_update -) -from charmhelpers.core.hookenv import ( - config, - Hooks, UnregisteredHookError, - log, - is_relation_made, - relation_set, - status_set, -) -from charmhelpers.contrib.openstack.utils import ( - configure_installation_source, - openstack_upgrade_available, - pausable_restart_on_change as restart_on_change, -) -from ceilometer_utils import ( - restart_map, - services, - register_configs, - CEILOMETER_AGENT_PACKAGES, - NOVA_SETTINGS, - do_openstack_upgrade, - assess_status, -) -from charmhelpers.contrib.charmsupport import nrpe - -hooks = Hooks() -CONFIGS = register_configs() - - -@hooks.hook() -def install(): - origin = config('openstack-origin') - configure_installation_source(origin) - status_set('maintenance', 'Installing apt packages') - apt_update(fatal=True) - apt_install( - filter_installed_packages(CEILOMETER_AGENT_PACKAGES), - fatal=True) - - -@hooks.hook('nova-ceilometer-relation-joined') -def nova_ceilometer_joined(): - relation_set(subordinate_configuration=json.dumps(NOVA_SETTINGS)) - - -@hooks.hook("ceilometer-service-relation-changed", - "upgrade-charm") -@restart_on_change(restart_map()) -def ceilometer_changed(): - CONFIGS.write_all() - if is_relation_made('nrpe-external-master'): - update_nrpe_config() - - -@hooks.hook('config-changed') -@restart_on_change(restart_map(), stopstart=True) -def config_changed(): - if not config('action-managed-upgrade'): - if openstack_upgrade_available('ceilometer-common'): - status_set('maintenance', 'Running openstack upgrade') - do_openstack_upgrade(CONFIGS) - if is_relation_made('nrpe-external-master'): - update_nrpe_config() - CONFIGS.write_all() - - -@hooks.hook('nrpe-external-master-relation-joined', - 'nrpe-external-master-relation-changed') -def update_nrpe_config(): - # python-dbus is used by check_upstart_job - apt_install('python-dbus') - hostname = nrpe.get_nagios_hostname() - current_unit = nrpe.get_nagios_unit_name() - nrpe_setup = nrpe.NRPE(hostname=hostname) - nrpe.add_init_service_checks(nrpe_setup, services(), current_unit) - nrpe_setup.write() - - -if __name__ == '__main__': - try: - hooks.execute(sys.argv) - except UnregisteredHookError as e: - log('Unknown hook {} - skipping.'.format(e)) - # set_os_workload_status(CONFIGS, REQUIRED_INTERFACES) - assess_status(CONFIGS) diff --git a/charms/trusty/ceilometer-agent/hooks/ceilometer_utils.py b/charms/trusty/ceilometer-agent/hooks/ceilometer_utils.py deleted file mode 100644 index a89795c..0000000 --- a/charms/trusty/ceilometer-agent/hooks/ceilometer_utils.py +++ /dev/null @@ -1,219 +0,0 @@ -# Copyright 2016 Canonical Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from charmhelpers.contrib.openstack import ( - context, - templating, -) -from ceilometer_contexts import ( - CeilometerServiceContext, -) -from charmhelpers.contrib.openstack.utils import ( - get_os_codename_package, - get_os_codename_install_source, - configure_installation_source, - make_assess_status_func, - pause_unit, - resume_unit, -) -from charmhelpers.core.hookenv import ( - config, - log, -) -from charmhelpers.fetch import apt_update, apt_install, apt_upgrade - -CEILOMETER_CONF_DIR = "/etc/ceilometer" -CEILOMETER_CONF = "%s/ceilometer.conf" % CEILOMETER_CONF_DIR - -CEILOMETER_AGENT_SERVICES = ['ceilometer-agent-compute'] - -CEILOMETER_AGENT_PACKAGES = [ - 'python-ceilometer', 'ceilometer-common', - 'ceilometer-agent-compute' -] - -NOVA_CONF = "/etc/nova/nova.conf" - -NOVA_SETTINGS = { - "nova": { - "/etc/nova/nova.conf": { - "sections": { - "DEFAULT": [ - ('instance_usage_audit', 'True'), - ('instance_usage_audit_period', 'hour'), - ('notify_on_state_change', 'vm_and_task_state'), - ('notification_driver', - 'ceilometer.compute.nova_notifier'), - ('notification_driver', - 'nova.openstack.common.notifier.rpc_notifier') - ] - } - } - } -} - -CONFIG_FILES = { - CEILOMETER_CONF: { - 'hook_contexts': [ - CeilometerServiceContext(ssl_dir=CEILOMETER_CONF_DIR), - context.InternalEndpointContext()], - 'services': CEILOMETER_AGENT_SERVICES - } -} - -TEMPLATES = 'templates' - -REQUIRED_INTERFACES = { - 'ceilometer': ['ceilometer-service'], -} - - -def register_configs(): - """ - Register config files with their respective contexts. - Regstration of some configs may not be required depending on - existing of certain relations. - """ - # if called without anything installed (eg during install hook) - # just default to earliest supported release. configs dont get touched - # till post-install, anyway. - release = get_os_codename_package('ceilometer-common', fatal=False) \ - or 'icehouse' - configs = templating.OSConfigRenderer(templates_dir=TEMPLATES, - openstack_release=release) - - for conf in CONFIG_FILES: - configs.register(conf, CONFIG_FILES[conf]['hook_contexts']) - - return configs - - -def restart_map(): - ''' - Determine the correct resource map to be passed to - charmhelpers.core.restart_on_change() based on the services configured. - - :returns: dict: A dictionary mapping config file to lists of services - that should be restarted when file changes. - ''' - _map = {} - for f, ctxt in CONFIG_FILES.iteritems(): - svcs = [] - for svc in ctxt['services']: - svcs.append(svc) - if svcs: - _map[f] = svcs - return _map - - -def services(): - ''' Returns a list of services associate with this charm ''' - _services = [] - for v in restart_map().values(): - _services = _services + v - return list(set(_services)) - - -def do_openstack_upgrade(configs): - """ - Perform an upgrade. Takes care of upgrading packages, rewriting - configs, database migrations and potentially any other post-upgrade - actions. - - :param configs: The charms main OSConfigRenderer object. - """ - new_src = config('openstack-origin') - new_os_rel = get_os_codename_install_source(new_src) - - log('Performing OpenStack upgrade to %s.' % (new_os_rel)) - - configure_installation_source(new_src) - dpkg_opts = [ - '--option', 'Dpkg::Options::=--force-confnew', - '--option', 'Dpkg::Options::=--force-confdef', - ] - apt_update(fatal=True) - apt_upgrade(options=dpkg_opts, fatal=True, dist=True) - apt_install(packages=CEILOMETER_AGENT_PACKAGES, - options=dpkg_opts, - fatal=True) - - # set CONFIGS to load templates from new release - configs.set_release(openstack_release=new_os_rel) - - -def assess_status(configs): - """Assess status of current unit - Decides what the state of the unit should be based on the current - configuration. - SIDE EFFECT: calls set_os_workload_status(...) which sets the workload - status of the unit. - Also calls status_set(...) directly if paused state isn't complete. - @param configs: a templating.OSConfigRenderer() object - @returns None - this function is executed for its side-effect - """ - assess_status_func(configs)() - - -def assess_status_func(configs): - """Helper function to create the function that will assess_status() for - the unit. - Uses charmhelpers.contrib.openstack.utils.make_assess_status_func() to - create the appropriate status function and then returns it. - Used directly by assess_status() and also for pausing and resuming - the unit. - - NOTE(ajkavanagh) ports are not checked due to race hazards with services - that don't behave sychronously w.r.t their service scripts. e.g. - apache2. - @param configs: a templating.OSConfigRenderer() object - @return f() -> None : a function that assesses the unit's workload status - """ - return make_assess_status_func( - configs, REQUIRED_INTERFACES, - services=services(), ports=None) - - -def pause_unit_helper(configs): - """Helper function to pause a unit, and then call assess_status(...) in - effect, so that the status is correctly updated. - Uses charmhelpers.contrib.openstack.utils.pause_unit() to do the work. - @param configs: a templating.OSConfigRenderer() object - @returns None - this function is executed for its side-effect - """ - _pause_resume_helper(pause_unit, configs) - - -def resume_unit_helper(configs): - """Helper function to resume a unit, and then call assess_status(...) in - effect, so that the status is correctly updated. - Uses charmhelpers.contrib.openstack.utils.resume_unit() to do the work. - @param configs: a templating.OSConfigRenderer() object - @returns None - this function is executed for its side-effect - """ - _pause_resume_helper(resume_unit, configs) - - -def _pause_resume_helper(f, configs): - """Helper function that uses the make_assess_status_func(...) from - charmhelpers.contrib.openstack.utils to create an assess_status(...) - function that can be used with the pause/resume of the unit - @param f: the function to be used with the assess_status(...) function - @returns None - this function is executed for its side-effect - """ - # TODO(ajkavanagh) - ports= has been left off because of the race hazard - # that exists due to service_start() - f(assess_status_func(configs), - services=services(), - ports=None) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/__init__.py deleted file mode 100644 index 4886788..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/__init__.py +++ /dev/null @@ -1,36 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# Bootstrap charm-helpers, installing its dependencies if necessary using -# only standard libraries. -import subprocess -import sys - -try: - import six # flake8: noqa -except ImportError: - if sys.version_info.major == 2: - subprocess.check_call(['apt-get', 'install', '-y', 'python-six']) - else: - subprocess.check_call(['apt-get', 'install', '-y', 'python3-six']) - import six # flake8: noqa - -try: - import yaml # flake8: noqa -except ImportError: - if sys.version_info.major == 2: - subprocess.check_call(['apt-get', 'install', '-y', 'python-yaml']) - else: - subprocess.check_call(['apt-get', 'install', '-y', 'python3-yaml']) - import yaml # flake8: noqa diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/__init__.py deleted file mode 100644 index 389b490..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/__init__.py +++ /dev/null @@ -1,189 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import inspect -import argparse -import sys - -from six.moves import zip - -import charmhelpers.core.unitdata - - -class OutputFormatter(object): - def __init__(self, outfile=sys.stdout): - self.formats = ( - "raw", - "json", - "py", - "yaml", - "csv", - "tab", - ) - self.outfile = outfile - - def add_arguments(self, argument_parser): - formatgroup = argument_parser.add_mutually_exclusive_group() - choices = self.supported_formats - formatgroup.add_argument("--format", metavar='FMT', - help="Select output format for returned data, " - "where FMT is one of: {}".format(choices), - choices=choices, default='raw') - for fmt in self.formats: - fmtfunc = getattr(self, fmt) - formatgroup.add_argument("-{}".format(fmt[0]), - "--{}".format(fmt), action='store_const', - const=fmt, dest='format', - help=fmtfunc.__doc__) - - @property - def supported_formats(self): - return self.formats - - def raw(self, output): - """Output data as raw string (default)""" - if isinstance(output, (list, tuple)): - output = '\n'.join(map(str, output)) - self.outfile.write(str(output)) - - def py(self, output): - """Output data as a nicely-formatted python data structure""" - import pprint - pprint.pprint(output, stream=self.outfile) - - def json(self, output): - """Output data in JSON format""" - import json - json.dump(output, self.outfile) - - def yaml(self, output): - """Output data in YAML format""" - import yaml - yaml.safe_dump(output, self.outfile) - - def csv(self, output): - """Output data as excel-compatible CSV""" - import csv - csvwriter = csv.writer(self.outfile) - csvwriter.writerows(output) - - def tab(self, output): - """Output data in excel-compatible tab-delimited format""" - import csv - csvwriter = csv.writer(self.outfile, dialect=csv.excel_tab) - csvwriter.writerows(output) - - def format_output(self, output, fmt='raw'): - fmtfunc = getattr(self, fmt) - fmtfunc(output) - - -class CommandLine(object): - argument_parser = None - subparsers = None - formatter = None - exit_code = 0 - - def __init__(self): - if not self.argument_parser: - self.argument_parser = argparse.ArgumentParser(description='Perform common charm tasks') - if not self.formatter: - self.formatter = OutputFormatter() - self.formatter.add_arguments(self.argument_parser) - if not self.subparsers: - self.subparsers = self.argument_parser.add_subparsers(help='Commands') - - def subcommand(self, command_name=None): - """ - Decorate a function as a subcommand. Use its arguments as the - command-line arguments""" - def wrapper(decorated): - cmd_name = command_name or decorated.__name__ - subparser = self.subparsers.add_parser(cmd_name, - description=decorated.__doc__) - for args, kwargs in describe_arguments(decorated): - subparser.add_argument(*args, **kwargs) - subparser.set_defaults(func=decorated) - return decorated - return wrapper - - def test_command(self, decorated): - """ - Subcommand is a boolean test function, so bool return values should be - converted to a 0/1 exit code. - """ - decorated._cli_test_command = True - return decorated - - def no_output(self, decorated): - """ - Subcommand is not expected to return a value, so don't print a spurious None. - """ - decorated._cli_no_output = True - return decorated - - def subcommand_builder(self, command_name, description=None): - """ - Decorate a function that builds a subcommand. Builders should accept a - single argument (the subparser instance) and return the function to be - run as the command.""" - def wrapper(decorated): - subparser = self.subparsers.add_parser(command_name) - func = decorated(subparser) - subparser.set_defaults(func=func) - subparser.description = description or func.__doc__ - return wrapper - - def run(self): - "Run cli, processing arguments and executing subcommands." - arguments = self.argument_parser.parse_args() - argspec = inspect.getargspec(arguments.func) - vargs = [] - for arg in argspec.args: - vargs.append(getattr(arguments, arg)) - if argspec.varargs: - vargs.extend(getattr(arguments, argspec.varargs)) - output = arguments.func(*vargs) - if getattr(arguments.func, '_cli_test_command', False): - self.exit_code = 0 if output else 1 - output = '' - if getattr(arguments.func, '_cli_no_output', False): - output = '' - self.formatter.format_output(output, arguments.format) - if charmhelpers.core.unitdata._KV: - charmhelpers.core.unitdata._KV.flush() - - -cmdline = CommandLine() - - -def describe_arguments(func): - """ - Analyze a function's signature and return a data structure suitable for - passing in as arguments to an argparse parser's add_argument() method.""" - - argspec = inspect.getargspec(func) - # we should probably raise an exception somewhere if func includes **kwargs - if argspec.defaults: - positional_args = argspec.args[:-len(argspec.defaults)] - keyword_names = argspec.args[-len(argspec.defaults):] - for arg, default in zip(keyword_names, argspec.defaults): - yield ('--{}'.format(arg),), {'default': default} - else: - positional_args = argspec.args - - for arg in positional_args: - yield (arg,), {} - if argspec.varargs: - yield (argspec.varargs,), {'nargs': '*'} diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/benchmark.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/benchmark.py deleted file mode 100644 index 303af14..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/benchmark.py +++ /dev/null @@ -1,34 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from . import cmdline -from charmhelpers.contrib.benchmark import Benchmark - - -@cmdline.subcommand(command_name='benchmark-start') -def start(): - Benchmark.start() - - -@cmdline.subcommand(command_name='benchmark-finish') -def finish(): - Benchmark.finish() - - -@cmdline.subcommand_builder('benchmark-composite', description="Set the benchmark composite score") -def service(subparser): - subparser.add_argument("value", help="The composite score.") - subparser.add_argument("units", help="The units the composite score represents, i.e., 'reads/sec'.") - subparser.add_argument("direction", help="'asc' if a lower score is better, 'desc' if a higher score is better.") - return Benchmark.set_composite_score diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/commands.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/commands.py deleted file mode 100644 index b931056..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/commands.py +++ /dev/null @@ -1,30 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -""" -This module loads sub-modules into the python runtime so they can be -discovered via the inspect module. In order to prevent flake8 from (rightfully) -telling us these are unused modules, throw a ' # noqa' at the end of each import -so that the warning is suppressed. -""" - -from . import CommandLine # noqa - -""" -Import the sub-modules which have decorated subcommands to register with chlp. -""" -from . import host # noqa -from . import benchmark # noqa -from . import unitdata # noqa -from . import hookenv # noqa diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/hookenv.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/hookenv.py deleted file mode 100644 index bd72f44..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/hookenv.py +++ /dev/null @@ -1,21 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from . import cmdline -from charmhelpers.core import hookenv - - -cmdline.subcommand('relation-id')(hookenv.relation_id._wrapped) -cmdline.subcommand('service-name')(hookenv.service_name) -cmdline.subcommand('remote-service-name')(hookenv.remote_service_name._wrapped) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/host.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/host.py deleted file mode 100644 index 4039684..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/host.py +++ /dev/null @@ -1,29 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from . import cmdline -from charmhelpers.core import host - - -@cmdline.subcommand() -def mounts(): - "List mounts" - return host.mounts() - - -@cmdline.subcommand_builder('service', description="Control system services") -def service(subparser): - subparser.add_argument("action", help="The action to perform (start, stop, etc...)") - subparser.add_argument("service_name", help="Name of the service to control") - return host.service diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/unitdata.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/unitdata.py deleted file mode 100644 index c572858..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/cli/unitdata.py +++ /dev/null @@ -1,37 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from . import cmdline -from charmhelpers.core import unitdata - - -@cmdline.subcommand_builder('unitdata', description="Store and retrieve data") -def unitdata_cmd(subparser): - nested = subparser.add_subparsers() - get_cmd = nested.add_parser('get', help='Retrieve data') - get_cmd.add_argument('key', help='Key to retrieve the value of') - get_cmd.set_defaults(action='get', value=None) - set_cmd = nested.add_parser('set', help='Store data') - set_cmd.add_argument('key', help='Key to set') - set_cmd.add_argument('value', help='Value to store') - set_cmd.set_defaults(action='set') - - def _unitdata_cmd(action, key, value): - if action == 'get': - return unitdata.kv().get(key) - elif action == 'set': - unitdata.kv().set(key, value) - unitdata.kv().flush() - return '' - return _unitdata_cmd diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/nrpe.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/nrpe.py deleted file mode 100644 index 17976fb..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/nrpe.py +++ /dev/null @@ -1,396 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"""Compatibility with the nrpe-external-master charm""" -# Copyright 2012 Canonical Ltd. -# -# Authors: -# Matthew Wedgwood <matthew.wedgwood@canonical.com> - -import subprocess -import pwd -import grp -import os -import glob -import shutil -import re -import shlex -import yaml - -from charmhelpers.core.hookenv import ( - config, - local_unit, - log, - relation_ids, - relation_set, - relations_of_type, -) - -from charmhelpers.core.host import service - -# This module adds compatibility with the nrpe-external-master and plain nrpe -# subordinate charms. To use it in your charm: -# -# 1. Update metadata.yaml -# -# provides: -# (...) -# nrpe-external-master: -# interface: nrpe-external-master -# scope: container -# -# and/or -# -# provides: -# (...) -# local-monitors: -# interface: local-monitors -# scope: container - -# -# 2. Add the following to config.yaml -# -# nagios_context: -# default: "juju" -# type: string -# description: | -# Used by the nrpe subordinate charms. -# A string that will be prepended to instance name to set the host name -# in nagios. So for instance the hostname would be something like: -# juju-myservice-0 -# If you're running multiple environments with the same services in them -# this allows you to differentiate between them. -# nagios_servicegroups: -# default: "" -# type: string -# description: | -# A comma-separated list of nagios servicegroups. -# If left empty, the nagios_context will be used as the servicegroup -# -# 3. Add custom checks (Nagios plugins) to files/nrpe-external-master -# -# 4. Update your hooks.py with something like this: -# -# from charmsupport.nrpe import NRPE -# (...) -# def update_nrpe_config(): -# nrpe_compat = NRPE() -# nrpe_compat.add_check( -# shortname = "myservice", -# description = "Check MyService", -# check_cmd = "check_http -w 2 -c 10 http://localhost" -# ) -# nrpe_compat.add_check( -# "myservice_other", -# "Check for widget failures", -# check_cmd = "/srv/myapp/scripts/widget_check" -# ) -# nrpe_compat.write() -# -# def config_changed(): -# (...) -# update_nrpe_config() -# -# def nrpe_external_master_relation_changed(): -# update_nrpe_config() -# -# def local_monitors_relation_changed(): -# update_nrpe_config() -# -# 5. ln -s hooks.py nrpe-external-master-relation-changed -# ln -s hooks.py local-monitors-relation-changed - - -class CheckException(Exception): - pass - - -class Check(object): - shortname_re = '[A-Za-z0-9-_]+$' - service_template = (""" -#--------------------------------------------------- -# This file is Juju managed -#--------------------------------------------------- -define service {{ - use active-service - host_name {nagios_hostname} - service_description {nagios_hostname}[{shortname}] """ - """{description} - check_command check_nrpe!{command} - servicegroups {nagios_servicegroup} -}} -""") - - def __init__(self, shortname, description, check_cmd): - super(Check, self).__init__() - # XXX: could be better to calculate this from the service name - if not re.match(self.shortname_re, shortname): - raise CheckException("shortname must match {}".format( - Check.shortname_re)) - self.shortname = shortname - self.command = "check_{}".format(shortname) - # Note: a set of invalid characters is defined by the - # Nagios server config - # The default is: illegal_object_name_chars=`~!$%^&*"|'<>?,()= - self.description = description - self.check_cmd = self._locate_cmd(check_cmd) - - def _get_check_filename(self): - return os.path.join(NRPE.nrpe_confdir, '{}.cfg'.format(self.command)) - - def _get_service_filename(self, hostname): - return os.path.join(NRPE.nagios_exportdir, - 'service__{}_{}.cfg'.format(hostname, self.command)) - - def _locate_cmd(self, check_cmd): - search_path = ( - '/usr/lib/nagios/plugins', - '/usr/local/lib/nagios/plugins', - ) - parts = shlex.split(check_cmd) - for path in search_path: - if os.path.exists(os.path.join(path, parts[0])): - command = os.path.join(path, parts[0]) - if len(parts) > 1: - command += " " + " ".join(parts[1:]) - return command - log('Check command not found: {}'.format(parts[0])) - return '' - - def _remove_service_files(self): - if not os.path.exists(NRPE.nagios_exportdir): - return - for f in os.listdir(NRPE.nagios_exportdir): - if f.endswith('_{}.cfg'.format(self.command)): - os.remove(os.path.join(NRPE.nagios_exportdir, f)) - - def remove(self, hostname): - nrpe_check_file = self._get_check_filename() - if os.path.exists(nrpe_check_file): - os.remove(nrpe_check_file) - self._remove_service_files() - - def write(self, nagios_context, hostname, nagios_servicegroups): - nrpe_check_file = self._get_check_filename() - with open(nrpe_check_file, 'w') as nrpe_check_config: - nrpe_check_config.write("# check {}\n".format(self.shortname)) - nrpe_check_config.write("command[{}]={}\n".format( - self.command, self.check_cmd)) - - if not os.path.exists(NRPE.nagios_exportdir): - log('Not writing service config as {} is not accessible'.format( - NRPE.nagios_exportdir)) - else: - self.write_service_config(nagios_context, hostname, - nagios_servicegroups) - - def write_service_config(self, nagios_context, hostname, - nagios_servicegroups): - self._remove_service_files() - - templ_vars = { - 'nagios_hostname': hostname, - 'nagios_servicegroup': nagios_servicegroups, - 'description': self.description, - 'shortname': self.shortname, - 'command': self.command, - } - nrpe_service_text = Check.service_template.format(**templ_vars) - nrpe_service_file = self._get_service_filename(hostname) - with open(nrpe_service_file, 'w') as nrpe_service_config: - nrpe_service_config.write(str(nrpe_service_text)) - - def run(self): - subprocess.call(self.check_cmd) - - -class NRPE(object): - nagios_logdir = '/var/log/nagios' - nagios_exportdir = '/var/lib/nagios/export' - nrpe_confdir = '/etc/nagios/nrpe.d' - - def __init__(self, hostname=None): - super(NRPE, self).__init__() - self.config = config() - self.nagios_context = self.config['nagios_context'] - if 'nagios_servicegroups' in self.config and self.config['nagios_servicegroups']: - self.nagios_servicegroups = self.config['nagios_servicegroups'] - else: - self.nagios_servicegroups = self.nagios_context - self.unit_name = local_unit().replace('/', '-') - if hostname: - self.hostname = hostname - else: - nagios_hostname = get_nagios_hostname() - if nagios_hostname: - self.hostname = nagios_hostname - else: - self.hostname = "{}-{}".format(self.nagios_context, self.unit_name) - self.checks = [] - - def add_check(self, *args, **kwargs): - self.checks.append(Check(*args, **kwargs)) - - def remove_check(self, *args, **kwargs): - if kwargs.get('shortname') is None: - raise ValueError('shortname of check must be specified') - - # Use sensible defaults if they're not specified - these are not - # actually used during removal, but they're required for constructing - # the Check object; check_disk is chosen because it's part of the - # nagios-plugins-basic package. - if kwargs.get('check_cmd') is None: - kwargs['check_cmd'] = 'check_disk' - if kwargs.get('description') is None: - kwargs['description'] = '' - - check = Check(*args, **kwargs) - check.remove(self.hostname) - - def write(self): - try: - nagios_uid = pwd.getpwnam('nagios').pw_uid - nagios_gid = grp.getgrnam('nagios').gr_gid - except: - log("Nagios user not set up, nrpe checks not updated") - return - - if not os.path.exists(NRPE.nagios_logdir): - os.mkdir(NRPE.nagios_logdir) - os.chown(NRPE.nagios_logdir, nagios_uid, nagios_gid) - - nrpe_monitors = {} - monitors = {"monitors": {"remote": {"nrpe": nrpe_monitors}}} - for nrpecheck in self.checks: - nrpecheck.write(self.nagios_context, self.hostname, - self.nagios_servicegroups) - nrpe_monitors[nrpecheck.shortname] = { - "command": nrpecheck.command, - } - - service('restart', 'nagios-nrpe-server') - - monitor_ids = relation_ids("local-monitors") + \ - relation_ids("nrpe-external-master") - for rid in monitor_ids: - relation_set(relation_id=rid, monitors=yaml.dump(monitors)) - - -def get_nagios_hostcontext(relation_name='nrpe-external-master'): - """ - Query relation with nrpe subordinate, return the nagios_host_context - - :param str relation_name: Name of relation nrpe sub joined to - """ - for rel in relations_of_type(relation_name): - if 'nagios_host_context' in rel: - return rel['nagios_host_context'] - - -def get_nagios_hostname(relation_name='nrpe-external-master'): - """ - Query relation with nrpe subordinate, return the nagios_hostname - - :param str relation_name: Name of relation nrpe sub joined to - """ - for rel in relations_of_type(relation_name): - if 'nagios_hostname' in rel: - return rel['nagios_hostname'] - - -def get_nagios_unit_name(relation_name='nrpe-external-master'): - """ - Return the nagios unit name prepended with host_context if needed - - :param str relation_name: Name of relation nrpe sub joined to - """ - host_context = get_nagios_hostcontext(relation_name) - if host_context: - unit = "%s:%s" % (host_context, local_unit()) - else: - unit = local_unit() - return unit - - -def add_init_service_checks(nrpe, services, unit_name): - """ - Add checks for each service in list - - :param NRPE nrpe: NRPE object to add check to - :param list services: List of services to check - :param str unit_name: Unit name to use in check description - """ - for svc in services: - upstart_init = '/etc/init/%s.conf' % svc - sysv_init = '/etc/init.d/%s' % svc - if os.path.exists(upstart_init): - # Don't add a check for these services from neutron-gateway - if svc not in ['ext-port', 'os-charm-phy-nic-mtu']: - nrpe.add_check( - shortname=svc, - description='process check {%s}' % unit_name, - check_cmd='check_upstart_job %s' % svc - ) - elif os.path.exists(sysv_init): - cronpath = '/etc/cron.d/nagios-service-check-%s' % svc - cron_file = ('*/5 * * * * root ' - '/usr/local/lib/nagios/plugins/check_exit_status.pl ' - '-s /etc/init.d/%s status > ' - '/var/lib/nagios/service-check-%s.txt\n' % (svc, - svc) - ) - f = open(cronpath, 'w') - f.write(cron_file) - f.close() - nrpe.add_check( - shortname=svc, - description='process check {%s}' % unit_name, - check_cmd='check_status_file.py -f ' - '/var/lib/nagios/service-check-%s.txt' % svc, - ) - - -def copy_nrpe_checks(): - """ - Copy the nrpe checks into place - - """ - NAGIOS_PLUGINS = '/usr/local/lib/nagios/plugins' - nrpe_files_dir = os.path.join(os.getenv('CHARM_DIR'), 'hooks', - 'charmhelpers', 'contrib', 'openstack', - 'files') - - if not os.path.exists(NAGIOS_PLUGINS): - os.makedirs(NAGIOS_PLUGINS) - for fname in glob.glob(os.path.join(nrpe_files_dir, "check_*")): - if os.path.isfile(fname): - shutil.copy2(fname, - os.path.join(NAGIOS_PLUGINS, os.path.basename(fname))) - - -def add_haproxy_checks(nrpe, unit_name): - """ - Add checks for each service in list - - :param NRPE nrpe: NRPE object to add check to - :param str unit_name: Unit name to use in check description - """ - nrpe.add_check( - shortname='haproxy_servers', - description='Check HAProxy {%s}' % unit_name, - check_cmd='check_haproxy.sh') - nrpe.add_check( - shortname='haproxy_queue', - description='Check HAProxy queue depth {%s}' % unit_name, - check_cmd='check_haproxy_queue_depth.sh') diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/volumes.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/volumes.py deleted file mode 100644 index 7ea43f0..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/charmsupport/volumes.py +++ /dev/null @@ -1,173 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -''' -Functions for managing volumes in juju units. One volume is supported per unit. -Subordinates may have their own storage, provided it is on its own partition. - -Configuration stanzas:: - - volume-ephemeral: - type: boolean - default: true - description: > - If false, a volume is mounted as sepecified in "volume-map" - If true, ephemeral storage will be used, meaning that log data - will only exist as long as the machine. YOU HAVE BEEN WARNED. - volume-map: - type: string - default: {} - description: > - YAML map of units to device names, e.g: - "{ rsyslog/0: /dev/vdb, rsyslog/1: /dev/vdb }" - Service units will raise a configure-error if volume-ephemeral - is 'true' and no volume-map value is set. Use 'juju set' to set a - value and 'juju resolved' to complete configuration. - -Usage:: - - from charmsupport.volumes import configure_volume, VolumeConfigurationError - from charmsupport.hookenv import log, ERROR - def post_mount_hook(): - stop_service('myservice') - def post_mount_hook(): - start_service('myservice') - - if __name__ == '__main__': - try: - configure_volume(before_change=pre_mount_hook, - after_change=post_mount_hook) - except VolumeConfigurationError: - log('Storage could not be configured', ERROR) - -''' - -# XXX: Known limitations -# - fstab is neither consulted nor updated - -import os -from charmhelpers.core import hookenv -from charmhelpers.core import host -import yaml - - -MOUNT_BASE = '/srv/juju/volumes' - - -class VolumeConfigurationError(Exception): - '''Volume configuration data is missing or invalid''' - pass - - -def get_config(): - '''Gather and sanity-check volume configuration data''' - volume_config = {} - config = hookenv.config() - - errors = False - - if config.get('volume-ephemeral') in (True, 'True', 'true', 'Yes', 'yes'): - volume_config['ephemeral'] = True - else: - volume_config['ephemeral'] = False - - try: - volume_map = yaml.safe_load(config.get('volume-map', '{}')) - except yaml.YAMLError as e: - hookenv.log("Error parsing YAML volume-map: {}".format(e), - hookenv.ERROR) - errors = True - if volume_map is None: - # probably an empty string - volume_map = {} - elif not isinstance(volume_map, dict): - hookenv.log("Volume-map should be a dictionary, not {}".format( - type(volume_map))) - errors = True - - volume_config['device'] = volume_map.get(os.environ['JUJU_UNIT_NAME']) - if volume_config['device'] and volume_config['ephemeral']: - # asked for ephemeral storage but also defined a volume ID - hookenv.log('A volume is defined for this unit, but ephemeral ' - 'storage was requested', hookenv.ERROR) - errors = True - elif not volume_config['device'] and not volume_config['ephemeral']: - # asked for permanent storage but did not define volume ID - hookenv.log('Ephemeral storage was requested, but there is no volume ' - 'defined for this unit.', hookenv.ERROR) - errors = True - - unit_mount_name = hookenv.local_unit().replace('/', '-') - volume_config['mountpoint'] = os.path.join(MOUNT_BASE, unit_mount_name) - - if errors: - return None - return volume_config - - -def mount_volume(config): - if os.path.exists(config['mountpoint']): - if not os.path.isdir(config['mountpoint']): - hookenv.log('Not a directory: {}'.format(config['mountpoint'])) - raise VolumeConfigurationError() - else: - host.mkdir(config['mountpoint']) - if os.path.ismount(config['mountpoint']): - unmount_volume(config) - if not host.mount(config['device'], config['mountpoint'], persist=True): - raise VolumeConfigurationError() - - -def unmount_volume(config): - if os.path.ismount(config['mountpoint']): - if not host.umount(config['mountpoint'], persist=True): - raise VolumeConfigurationError() - - -def managed_mounts(): - '''List of all mounted managed volumes''' - return filter(lambda mount: mount[0].startswith(MOUNT_BASE), host.mounts()) - - -def configure_volume(before_change=lambda: None, after_change=lambda: None): - '''Set up storage (or don't) according to the charm's volume configuration. - Returns the mount point or "ephemeral". before_change and after_change - are optional functions to be called if the volume configuration changes. - ''' - - config = get_config() - if not config: - hookenv.log('Failed to read volume configuration', hookenv.CRITICAL) - raise VolumeConfigurationError() - - if config['ephemeral']: - if os.path.ismount(config['mountpoint']): - before_change() - unmount_volume(config) - after_change() - return 'ephemeral' - else: - # persistent storage - if os.path.ismount(config['mountpoint']): - mounts = dict(managed_mounts()) - if mounts.get(config['mountpoint']) != config['device']: - before_change() - unmount_volume(config) - mount_volume(config) - after_change() - else: - before_change() - mount_volume(config) - after_change() - return config['mountpoint'] diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/apache.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/apache.py deleted file mode 100644 index d0c6994..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/apache.py +++ /dev/null @@ -1,95 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# -# Copyright 2012 Canonical Ltd. -# -# This file is sourced from lp:openstack-charm-helpers -# -# Authors: -# James Page <james.page@ubuntu.com> -# Adam Gandelman <adamg@ubuntu.com> -# - -import os -import subprocess - -from charmhelpers.core.hookenv import ( - config as config_get, - relation_get, - relation_ids, - related_units as relation_list, - log, - INFO, -) - - -def get_cert(cn=None): - # TODO: deal with multiple https endpoints via charm config - cert = config_get('ssl_cert') - key = config_get('ssl_key') - if not (cert and key): - log("Inspecting identity-service relations for SSL certificate.", - level=INFO) - cert = key = None - if cn: - ssl_cert_attr = 'ssl_cert_{}'.format(cn) - ssl_key_attr = 'ssl_key_{}'.format(cn) - else: - ssl_cert_attr = 'ssl_cert' - ssl_key_attr = 'ssl_key' - for r_id in relation_ids('identity-service'): - for unit in relation_list(r_id): - if not cert: - cert = relation_get(ssl_cert_attr, - rid=r_id, unit=unit) - if not key: - key = relation_get(ssl_key_attr, - rid=r_id, unit=unit) - return (cert, key) - - -def get_ca_cert(): - ca_cert = config_get('ssl_ca') - if ca_cert is None: - log("Inspecting identity-service relations for CA SSL certificate.", - level=INFO) - for r_id in relation_ids('identity-service'): - for unit in relation_list(r_id): - if ca_cert is None: - ca_cert = relation_get('ca_cert', - rid=r_id, unit=unit) - return ca_cert - - -def retrieve_ca_cert(cert_file): - cert = None - if os.path.isfile(cert_file): - with open(cert_file, 'r') as crt: - cert = crt.read() - return cert - - -def install_ca_cert(ca_cert): - if ca_cert: - cert_file = ('/usr/local/share/ca-certificates/' - 'keystone_juju_ca_cert.crt') - old_cert = retrieve_ca_cert(cert_file) - if old_cert and old_cert == ca_cert: - log("CA cert is the same as installed version", level=INFO) - else: - log("Installing new CA cert", level=INFO) - with open(cert_file, 'w') as crt: - crt.write(ca_cert) - subprocess.check_call(['update-ca-certificates', '--fresh']) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/cluster.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/cluster.py deleted file mode 100644 index e02350e..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/cluster.py +++ /dev/null @@ -1,363 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# -# Copyright 2012 Canonical Ltd. -# -# Authors: -# James Page <james.page@ubuntu.com> -# Adam Gandelman <adamg@ubuntu.com> -# - -""" -Helpers for clustering and determining "cluster leadership" and other -clustering-related helpers. -""" - -import subprocess -import os - -from socket import gethostname as get_unit_hostname - -import six - -from charmhelpers.core.hookenv import ( - log, - relation_ids, - related_units as relation_list, - relation_get, - config as config_get, - INFO, - DEBUG, - WARNING, - unit_get, - is_leader as juju_is_leader, - status_set, -) -from charmhelpers.core.decorators import ( - retry_on_exception, -) -from charmhelpers.core.strutils import ( - bool_from_string, -) - -DC_RESOURCE_NAME = 'DC' - - -class HAIncompleteConfig(Exception): - pass - - -class HAIncorrectConfig(Exception): - pass - - -class CRMResourceNotFound(Exception): - pass - - -class CRMDCNotFound(Exception): - pass - - -def is_elected_leader(resource): - """ - Returns True if the charm executing this is the elected cluster leader. - - It relies on two mechanisms to determine leadership: - 1. If juju is sufficiently new and leadership election is supported, - the is_leader command will be used. - 2. If the charm is part of a corosync cluster, call corosync to - determine leadership. - 3. If the charm is not part of a corosync cluster, the leader is - determined as being "the alive unit with the lowest unit numer". In - other words, the oldest surviving unit. - """ - try: - return juju_is_leader() - except NotImplementedError: - log('Juju leadership election feature not enabled' - ', using fallback support', - level=WARNING) - - if is_clustered(): - if not is_crm_leader(resource): - log('Deferring action to CRM leader.', level=INFO) - return False - else: - peers = peer_units() - if peers and not oldest_peer(peers): - log('Deferring action to oldest service unit.', level=INFO) - return False - return True - - -def is_clustered(): - for r_id in (relation_ids('ha') or []): - for unit in (relation_list(r_id) or []): - clustered = relation_get('clustered', - rid=r_id, - unit=unit) - if clustered: - return True - return False - - -def is_crm_dc(): - """ - Determine leadership by querying the pacemaker Designated Controller - """ - cmd = ['crm', 'status'] - try: - status = subprocess.check_output(cmd, stderr=subprocess.STDOUT) - if not isinstance(status, six.text_type): - status = six.text_type(status, "utf-8") - except subprocess.CalledProcessError as ex: - raise CRMDCNotFound(str(ex)) - - current_dc = '' - for line in status.split('\n'): - if line.startswith('Current DC'): - # Current DC: juju-lytrusty-machine-2 (168108163) - partition with quorum - current_dc = line.split(':')[1].split()[0] - if current_dc == get_unit_hostname(): - return True - elif current_dc == 'NONE': - raise CRMDCNotFound('Current DC: NONE') - - return False - - -@retry_on_exception(5, base_delay=2, - exc_type=(CRMResourceNotFound, CRMDCNotFound)) -def is_crm_leader(resource, retry=False): - """ - Returns True if the charm calling this is the elected corosync leader, - as returned by calling the external "crm" command. - - We allow this operation to be retried to avoid the possibility of getting a - false negative. See LP #1396246 for more info. - """ - if resource == DC_RESOURCE_NAME: - return is_crm_dc() - cmd = ['crm', 'resource', 'show', resource] - try: - status = subprocess.check_output(cmd, stderr=subprocess.STDOUT) - if not isinstance(status, six.text_type): - status = six.text_type(status, "utf-8") - except subprocess.CalledProcessError: - status = None - - if status and get_unit_hostname() in status: - return True - - if status and "resource %s is NOT running" % (resource) in status: - raise CRMResourceNotFound("CRM resource %s not found" % (resource)) - - return False - - -def is_leader(resource): - log("is_leader is deprecated. Please consider using is_crm_leader " - "instead.", level=WARNING) - return is_crm_leader(resource) - - -def peer_units(peer_relation="cluster"): - peers = [] - for r_id in (relation_ids(peer_relation) or []): - for unit in (relation_list(r_id) or []): - peers.append(unit) - return peers - - -def peer_ips(peer_relation='cluster', addr_key='private-address'): - '''Return a dict of peers and their private-address''' - peers = {} - for r_id in relation_ids(peer_relation): - for unit in relation_list(r_id): - peers[unit] = relation_get(addr_key, rid=r_id, unit=unit) - return peers - - -def oldest_peer(peers): - """Determines who the oldest peer is by comparing unit numbers.""" - local_unit_no = int(os.getenv('JUJU_UNIT_NAME').split('/')[1]) - for peer in peers: - remote_unit_no = int(peer.split('/')[1]) - if remote_unit_no < local_unit_no: - return False - return True - - -def eligible_leader(resource): - log("eligible_leader is deprecated. Please consider using " - "is_elected_leader instead.", level=WARNING) - return is_elected_leader(resource) - - -def https(): - ''' - Determines whether enough data has been provided in configuration - or relation data to configure HTTPS - . - returns: boolean - ''' - use_https = config_get('use-https') - if use_https and bool_from_string(use_https): - return True - if config_get('ssl_cert') and config_get('ssl_key'): - return True - for r_id in relation_ids('identity-service'): - for unit in relation_list(r_id): - # TODO - needs fixing for new helper as ssl_cert/key suffixes with CN - rel_state = [ - relation_get('https_keystone', rid=r_id, unit=unit), - relation_get('ca_cert', rid=r_id, unit=unit), - ] - # NOTE: works around (LP: #1203241) - if (None not in rel_state) and ('' not in rel_state): - return True - return False - - -def determine_api_port(public_port, singlenode_mode=False): - ''' - Determine correct API server listening port based on - existence of HTTPS reverse proxy and/or haproxy. - - public_port: int: standard public port for given service - - singlenode_mode: boolean: Shuffle ports when only a single unit is present - - returns: int: the correct listening port for the API service - ''' - i = 0 - if singlenode_mode: - i += 1 - elif len(peer_units()) > 0 or is_clustered(): - i += 1 - if https(): - i += 1 - return public_port - (i * 10) - - -def determine_apache_port(public_port, singlenode_mode=False): - ''' - Description: Determine correct apache listening port based on public IP + - state of the cluster. - - public_port: int: standard public port for given service - - singlenode_mode: boolean: Shuffle ports when only a single unit is present - - returns: int: the correct listening port for the HAProxy service - ''' - i = 0 - if singlenode_mode: - i += 1 - elif len(peer_units()) > 0 or is_clustered(): - i += 1 - return public_port - (i * 10) - - -def get_hacluster_config(exclude_keys=None): - ''' - Obtains all relevant configuration from charm configuration required - for initiating a relation to hacluster: - - ha-bindiface, ha-mcastport, vip, os-internal-hostname, - os-admin-hostname, os-public-hostname, os-access-hostname - - param: exclude_keys: list of setting key(s) to be excluded. - returns: dict: A dict containing settings keyed by setting name. - raises: HAIncompleteConfig if settings are missing or incorrect. - ''' - settings = ['ha-bindiface', 'ha-mcastport', 'vip', 'os-internal-hostname', - 'os-admin-hostname', 'os-public-hostname', 'os-access-hostname'] - conf = {} - for setting in settings: - if exclude_keys and setting in exclude_keys: - continue - - conf[setting] = config_get(setting) - - if not valid_hacluster_config(): - raise HAIncorrectConfig('Insufficient or incorrect config data to ' - 'configure hacluster.') - return conf - - -def valid_hacluster_config(): - ''' - Check that either vip or dns-ha is set. If dns-ha then one of os-*-hostname - must be set. - - Note: ha-bindiface and ha-macastport both have defaults and will always - be set. We only care that either vip or dns-ha is set. - - :returns: boolean: valid config returns true. - raises: HAIncompatibileConfig if settings conflict. - raises: HAIncompleteConfig if settings are missing. - ''' - vip = config_get('vip') - dns = config_get('dns-ha') - if not(bool(vip) ^ bool(dns)): - msg = ('HA: Either vip or dns-ha must be set but not both in order to ' - 'use high availability') - status_set('blocked', msg) - raise HAIncorrectConfig(msg) - - # If dns-ha then one of os-*-hostname must be set - if dns: - dns_settings = ['os-internal-hostname', 'os-admin-hostname', - 'os-public-hostname', 'os-access-hostname'] - # At this point it is unknown if one or all of the possible - # network spaces are in HA. Validate at least one is set which is - # the minimum required. - for setting in dns_settings: - if config_get(setting): - log('DNS HA: At least one hostname is set {}: {}' - ''.format(setting, config_get(setting)), - level=DEBUG) - return True - - msg = ('DNS HA: At least one os-*-hostname(s) must be set to use ' - 'DNS HA') - status_set('blocked', msg) - raise HAIncompleteConfig(msg) - - log('VIP HA: VIP is set {}'.format(vip), level=DEBUG) - return True - - -def canonical_url(configs, vip_setting='vip'): - ''' - Returns the correct HTTP URL to this host given the state of HTTPS - configuration and hacluster. - - :configs : OSTemplateRenderer: A config tempating object to inspect for - a complete https context. - - :vip_setting: str: Setting in charm config that specifies - VIP address. - ''' - scheme = 'http' - if 'https' in configs.complete_contexts(): - scheme = 'https' - if is_clustered(): - addr = config_get(vip_setting) - else: - addr = unit_get('private-address') - return '%s://%s' % (scheme, addr) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/network/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/network/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/network/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/network/ip.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/network/ip.py deleted file mode 100644 index d6dee17..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/network/ip.py +++ /dev/null @@ -1,497 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import glob -import re -import subprocess -import six -import socket - -from functools import partial - -from charmhelpers.core.hookenv import unit_get -from charmhelpers.fetch import apt_install, apt_update -from charmhelpers.core.hookenv import ( - log, - WARNING, -) - -try: - import netifaces -except ImportError: - apt_update(fatal=True) - apt_install('python-netifaces', fatal=True) - import netifaces - -try: - import netaddr -except ImportError: - apt_update(fatal=True) - apt_install('python-netaddr', fatal=True) - import netaddr - - -def _validate_cidr(network): - try: - netaddr.IPNetwork(network) - except (netaddr.core.AddrFormatError, ValueError): - raise ValueError("Network (%s) is not in CIDR presentation format" % - network) - - -def no_ip_found_error_out(network): - errmsg = ("No IP address found in network(s): %s" % network) - raise ValueError(errmsg) - - -def get_address_in_network(network, fallback=None, fatal=False): - """Get an IPv4 or IPv6 address within the network from the host. - - :param network (str): CIDR presentation format. For example, - '192.168.1.0/24'. Supports multiple networks as a space-delimited list. - :param fallback (str): If no address is found, return fallback. - :param fatal (boolean): If no address is found, fallback is not - set and fatal is True then exit(1). - """ - if network is None: - if fallback is not None: - return fallback - - if fatal: - no_ip_found_error_out(network) - else: - return None - - networks = network.split() or [network] - for network in networks: - _validate_cidr(network) - network = netaddr.IPNetwork(network) - for iface in netifaces.interfaces(): - addresses = netifaces.ifaddresses(iface) - if network.version == 4 and netifaces.AF_INET in addresses: - addr = addresses[netifaces.AF_INET][0]['addr'] - netmask = addresses[netifaces.AF_INET][0]['netmask'] - cidr = netaddr.IPNetwork("%s/%s" % (addr, netmask)) - if cidr in network: - return str(cidr.ip) - - if network.version == 6 and netifaces.AF_INET6 in addresses: - for addr in addresses[netifaces.AF_INET6]: - if not addr['addr'].startswith('fe80'): - cidr = netaddr.IPNetwork("%s/%s" % (addr['addr'], - addr['netmask'])) - if cidr in network: - return str(cidr.ip) - - if fallback is not None: - return fallback - - if fatal: - no_ip_found_error_out(network) - - return None - - -def is_ipv6(address): - """Determine whether provided address is IPv6 or not.""" - try: - address = netaddr.IPAddress(address) - except netaddr.AddrFormatError: - # probably a hostname - so not an address at all! - return False - - return address.version == 6 - - -def is_address_in_network(network, address): - """ - Determine whether the provided address is within a network range. - - :param network (str): CIDR presentation format. For example, - '192.168.1.0/24'. - :param address: An individual IPv4 or IPv6 address without a net - mask or subnet prefix. For example, '192.168.1.1'. - :returns boolean: Flag indicating whether address is in network. - """ - try: - network = netaddr.IPNetwork(network) - except (netaddr.core.AddrFormatError, ValueError): - raise ValueError("Network (%s) is not in CIDR presentation format" % - network) - - try: - address = netaddr.IPAddress(address) - except (netaddr.core.AddrFormatError, ValueError): - raise ValueError("Address (%s) is not in correct presentation format" % - address) - - if address in network: - return True - else: - return False - - -def _get_for_address(address, key): - """Retrieve an attribute of or the physical interface that - the IP address provided could be bound to. - - :param address (str): An individual IPv4 or IPv6 address without a net - mask or subnet prefix. For example, '192.168.1.1'. - :param key: 'iface' for the physical interface name or an attribute - of the configured interface, for example 'netmask'. - :returns str: Requested attribute or None if address is not bindable. - """ - address = netaddr.IPAddress(address) - for iface in netifaces.interfaces(): - addresses = netifaces.ifaddresses(iface) - if address.version == 4 and netifaces.AF_INET in addresses: - addr = addresses[netifaces.AF_INET][0]['addr'] - netmask = addresses[netifaces.AF_INET][0]['netmask'] - network = netaddr.IPNetwork("%s/%s" % (addr, netmask)) - cidr = network.cidr - if address in cidr: - if key == 'iface': - return iface - else: - return addresses[netifaces.AF_INET][0][key] - - if address.version == 6 and netifaces.AF_INET6 in addresses: - for addr in addresses[netifaces.AF_INET6]: - if not addr['addr'].startswith('fe80'): - network = netaddr.IPNetwork("%s/%s" % (addr['addr'], - addr['netmask'])) - cidr = network.cidr - if address in cidr: - if key == 'iface': - return iface - elif key == 'netmask' and cidr: - return str(cidr).split('/')[1] - else: - return addr[key] - - return None - - -get_iface_for_address = partial(_get_for_address, key='iface') - - -get_netmask_for_address = partial(_get_for_address, key='netmask') - - -def resolve_network_cidr(ip_address): - ''' - Resolves the full address cidr of an ip_address based on - configured network interfaces - ''' - netmask = get_netmask_for_address(ip_address) - return str(netaddr.IPNetwork("%s/%s" % (ip_address, netmask)).cidr) - - -def format_ipv6_addr(address): - """If address is IPv6, wrap it in '[]' otherwise return None. - - This is required by most configuration files when specifying IPv6 - addresses. - """ - if is_ipv6(address): - return "[%s]" % address - - return None - - -def get_iface_addr(iface='eth0', inet_type='AF_INET', inc_aliases=False, - fatal=True, exc_list=None): - """Return the assigned IP address for a given interface, if any. - - :param iface: network interface on which address(es) are expected to - be found. - :param inet_type: inet address family - :param inc_aliases: include alias interfaces in search - :param fatal: if True, raise exception if address not found - :param exc_list: list of addresses to ignore - :return: list of ip addresses - """ - # Extract nic if passed /dev/ethX - if '/' in iface: - iface = iface.split('/')[-1] - - if not exc_list: - exc_list = [] - - try: - inet_num = getattr(netifaces, inet_type) - except AttributeError: - raise Exception("Unknown inet type '%s'" % str(inet_type)) - - interfaces = netifaces.interfaces() - if inc_aliases: - ifaces = [] - for _iface in interfaces: - if iface == _iface or _iface.split(':')[0] == iface: - ifaces.append(_iface) - - if fatal and not ifaces: - raise Exception("Invalid interface '%s'" % iface) - - ifaces.sort() - else: - if iface not in interfaces: - if fatal: - raise Exception("Interface '%s' not found " % (iface)) - else: - return [] - - else: - ifaces = [iface] - - addresses = [] - for netiface in ifaces: - net_info = netifaces.ifaddresses(netiface) - if inet_num in net_info: - for entry in net_info[inet_num]: - if 'addr' in entry and entry['addr'] not in exc_list: - addresses.append(entry['addr']) - - if fatal and not addresses: - raise Exception("Interface '%s' doesn't have any %s addresses." % - (iface, inet_type)) - - return sorted(addresses) - - -get_ipv4_addr = partial(get_iface_addr, inet_type='AF_INET') - - -def get_iface_from_addr(addr): - """Work out on which interface the provided address is configured.""" - for iface in netifaces.interfaces(): - addresses = netifaces.ifaddresses(iface) - for inet_type in addresses: - for _addr in addresses[inet_type]: - _addr = _addr['addr'] - # link local - ll_key = re.compile("(.+)%.*") - raw = re.match(ll_key, _addr) - if raw: - _addr = raw.group(1) - - if _addr == addr: - log("Address '%s' is configured on iface '%s'" % - (addr, iface)) - return iface - - msg = "Unable to infer net iface on which '%s' is configured" % (addr) - raise Exception(msg) - - -def sniff_iface(f): - """Ensure decorated function is called with a value for iface. - - If no iface provided, inject net iface inferred from unit private address. - """ - def iface_sniffer(*args, **kwargs): - if not kwargs.get('iface', None): - kwargs['iface'] = get_iface_from_addr(unit_get('private-address')) - - return f(*args, **kwargs) - - return iface_sniffer - - -@sniff_iface -def get_ipv6_addr(iface=None, inc_aliases=False, fatal=True, exc_list=None, - dynamic_only=True): - """Get assigned IPv6 address for a given interface. - - Returns list of addresses found. If no address found, returns empty list. - - If iface is None, we infer the current primary interface by doing a reverse - lookup on the unit private-address. - - We currently only support scope global IPv6 addresses i.e. non-temporary - addresses. If no global IPv6 address is found, return the first one found - in the ipv6 address list. - - :param iface: network interface on which ipv6 address(es) are expected to - be found. - :param inc_aliases: include alias interfaces in search - :param fatal: if True, raise exception if address not found - :param exc_list: list of addresses to ignore - :param dynamic_only: only recognise dynamic addresses - :return: list of ipv6 addresses - """ - addresses = get_iface_addr(iface=iface, inet_type='AF_INET6', - inc_aliases=inc_aliases, fatal=fatal, - exc_list=exc_list) - - if addresses: - global_addrs = [] - for addr in addresses: - key_scope_link_local = re.compile("^fe80::..(.+)%(.+)") - m = re.match(key_scope_link_local, addr) - if m: - eui_64_mac = m.group(1) - iface = m.group(2) - else: - global_addrs.append(addr) - - if global_addrs: - # Make sure any found global addresses are not temporary - cmd = ['ip', 'addr', 'show', iface] - out = subprocess.check_output(cmd).decode('UTF-8') - if dynamic_only: - key = re.compile("inet6 (.+)/[0-9]+ scope global.* dynamic.*") - else: - key = re.compile("inet6 (.+)/[0-9]+ scope global.*") - - addrs = [] - for line in out.split('\n'): - line = line.strip() - m = re.match(key, line) - if m and 'temporary' not in line: - # Return the first valid address we find - for addr in global_addrs: - if m.group(1) == addr: - if not dynamic_only or \ - m.group(1).endswith(eui_64_mac): - addrs.append(addr) - - if addrs: - return addrs - - if fatal: - raise Exception("Interface '%s' does not have a scope global " - "non-temporary ipv6 address." % iface) - - return [] - - -def get_bridges(vnic_dir='/sys/devices/virtual/net'): - """Return a list of bridges on the system.""" - b_regex = "%s/*/bridge" % vnic_dir - return [x.replace(vnic_dir, '').split('/')[1] for x in glob.glob(b_regex)] - - -def get_bridge_nics(bridge, vnic_dir='/sys/devices/virtual/net'): - """Return a list of nics comprising a given bridge on the system.""" - brif_regex = "%s/%s/brif/*" % (vnic_dir, bridge) - return [x.split('/')[-1] for x in glob.glob(brif_regex)] - - -def is_bridge_member(nic): - """Check if a given nic is a member of a bridge.""" - for bridge in get_bridges(): - if nic in get_bridge_nics(bridge): - return True - - return False - - -def is_ip(address): - """ - Returns True if address is a valid IP address. - """ - try: - # Test to see if already an IPv4/IPv6 address - address = netaddr.IPAddress(address) - return True - except netaddr.AddrFormatError: - return False - - -def ns_query(address): - try: - import dns.resolver - except ImportError: - apt_install('python-dnspython', fatal=True) - import dns.resolver - - if isinstance(address, dns.name.Name): - rtype = 'PTR' - elif isinstance(address, six.string_types): - rtype = 'A' - else: - return None - - answers = dns.resolver.query(address, rtype) - if answers: - return str(answers[0]) - return None - - -def get_host_ip(hostname, fallback=None): - """ - Resolves the IP for a given hostname, or returns - the input if it is already an IP. - """ - if is_ip(hostname): - return hostname - - ip_addr = ns_query(hostname) - if not ip_addr: - try: - ip_addr = socket.gethostbyname(hostname) - except: - log("Failed to resolve hostname '%s'" % (hostname), - level=WARNING) - return fallback - return ip_addr - - -def get_hostname(address, fqdn=True): - """ - Resolves hostname for given IP, or returns the input - if it is already a hostname. - """ - if is_ip(address): - try: - import dns.reversename - except ImportError: - apt_install("python-dnspython", fatal=True) - import dns.reversename - - rev = dns.reversename.from_address(address) - result = ns_query(rev) - - if not result: - try: - result = socket.gethostbyaddr(address)[0] - except: - return None - else: - result = address - - if fqdn: - # strip trailing . - if result.endswith('.'): - return result[:-1] - else: - return result - else: - return result.split('.')[0] - - -def port_has_listener(address, port): - """ - Returns True if the address:port is open and being listened to, - else False. - - @param address: an IP address or hostname - @param port: integer port - - Note calls 'zc' via a subprocess shell - """ - cmd = ['nc', '-z', address, str(port)] - result = subprocess.call(cmd) - return not(bool(result)) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/alternatives.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/alternatives.py deleted file mode 100644 index 1501641..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/alternatives.py +++ /dev/null @@ -1,31 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -''' Helper for managing alternatives for file conflict resolution ''' - -import subprocess -import shutil -import os - - -def install_alternative(name, target, source, priority=50): - ''' Install alternative configuration ''' - if (os.path.exists(target) and not os.path.islink(target)): - # Move existing file/directory away before installing - shutil.move(target, '{}.bak'.format(target)) - cmd = [ - 'update-alternatives', '--force', '--install', - target, name, source, str(priority) - ] - subprocess.check_call(cmd) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/deployment.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/deployment.py deleted file mode 100644 index 6ce91db..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/deployment.py +++ /dev/null @@ -1,295 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import logging -import re -import sys -import six -from collections import OrderedDict -from charmhelpers.contrib.amulet.deployment import ( - AmuletDeployment -) - -DEBUG = logging.DEBUG -ERROR = logging.ERROR - - -class OpenStackAmuletDeployment(AmuletDeployment): - """OpenStack amulet deployment. - - This class inherits from AmuletDeployment and has additional support - that is specifically for use by OpenStack charms. - """ - - def __init__(self, series=None, openstack=None, source=None, - stable=True, log_level=DEBUG): - """Initialize the deployment environment.""" - super(OpenStackAmuletDeployment, self).__init__(series) - self.log = self.get_logger(level=log_level) - self.log.info('OpenStackAmuletDeployment: init') - self.openstack = openstack - self.source = source - self.stable = stable - - def get_logger(self, name="deployment-logger", level=logging.DEBUG): - """Get a logger object that will log to stdout.""" - log = logging - logger = log.getLogger(name) - fmt = log.Formatter("%(asctime)s %(funcName)s " - "%(levelname)s: %(message)s") - - handler = log.StreamHandler(stream=sys.stdout) - handler.setLevel(level) - handler.setFormatter(fmt) - - logger.addHandler(handler) - logger.setLevel(level) - - return logger - - def _determine_branch_locations(self, other_services): - """Determine the branch locations for the other services. - - Determine if the local branch being tested is derived from its - stable or next (dev) branch, and based on this, use the corresonding - stable or next branches for the other_services.""" - - self.log.info('OpenStackAmuletDeployment: determine branch locations') - - # Charms outside the ~openstack-charmers - base_charms = { - 'mysql': ['precise', 'trusty'], - 'mongodb': ['precise', 'trusty'], - 'nrpe': ['precise', 'trusty', 'wily', 'xenial'], - } - - for svc in other_services: - # If a location has been explicitly set, use it - if svc.get('location'): - continue - if svc['name'] in base_charms: - # NOTE: not all charms have support for all series we - # want/need to test against, so fix to most recent - # that each base charm supports - target_series = self.series - if self.series not in base_charms[svc['name']]: - target_series = base_charms[svc['name']][-1] - svc['location'] = 'cs:{}/{}'.format(target_series, - svc['name']) - elif self.stable: - svc['location'] = 'cs:{}/{}'.format(self.series, - svc['name']) - else: - svc['location'] = 'cs:~openstack-charmers-next/{}/{}'.format( - self.series, - svc['name'] - ) - - return other_services - - def _add_services(self, this_service, other_services): - """Add services to the deployment and set openstack-origin/source.""" - self.log.info('OpenStackAmuletDeployment: adding services') - - other_services = self._determine_branch_locations(other_services) - - super(OpenStackAmuletDeployment, self)._add_services(this_service, - other_services) - - services = other_services - services.append(this_service) - - # Charms which should use the source config option - use_source = ['mysql', 'mongodb', 'rabbitmq-server', 'ceph', - 'ceph-osd', 'ceph-radosgw', 'ceph-mon', 'ceph-proxy'] - - # Charms which can not use openstack-origin, ie. many subordinates - no_origin = ['cinder-ceph', 'hacluster', 'neutron-openvswitch', 'nrpe', - 'openvswitch-odl', 'neutron-api-odl', 'odl-controller', - 'cinder-backup', 'nexentaedge-data', - 'nexentaedge-iscsi-gw', 'nexentaedge-swift-gw', - 'cinder-nexentaedge', 'nexentaedge-mgmt'] - - if self.openstack: - for svc in services: - if svc['name'] not in use_source + no_origin: - config = {'openstack-origin': self.openstack} - self.d.configure(svc['name'], config) - - if self.source: - for svc in services: - if svc['name'] in use_source and svc['name'] not in no_origin: - config = {'source': self.source} - self.d.configure(svc['name'], config) - - def _configure_services(self, configs): - """Configure all of the services.""" - self.log.info('OpenStackAmuletDeployment: configure services') - for service, config in six.iteritems(configs): - self.d.configure(service, config) - - def _auto_wait_for_status(self, message=None, exclude_services=None, - include_only=None, timeout=1800): - """Wait for all units to have a specific extended status, except - for any defined as excluded. Unless specified via message, any - status containing any case of 'ready' will be considered a match. - - Examples of message usage: - - Wait for all unit status to CONTAIN any case of 'ready' or 'ok': - message = re.compile('.*ready.*|.*ok.*', re.IGNORECASE) - - Wait for all units to reach this status (exact match): - message = re.compile('^Unit is ready and clustered$') - - Wait for all units to reach any one of these (exact match): - message = re.compile('Unit is ready|OK|Ready') - - Wait for at least one unit to reach this status (exact match): - message = {'ready'} - - See Amulet's sentry.wait_for_messages() for message usage detail. - https://github.com/juju/amulet/blob/master/amulet/sentry.py - - :param message: Expected status match - :param exclude_services: List of juju service names to ignore, - not to be used in conjuction with include_only. - :param include_only: List of juju service names to exclusively check, - not to be used in conjuction with exclude_services. - :param timeout: Maximum time in seconds to wait for status match - :returns: None. Raises if timeout is hit. - """ - self.log.info('Waiting for extended status on units...') - - all_services = self.d.services.keys() - - if exclude_services and include_only: - raise ValueError('exclude_services can not be used ' - 'with include_only') - - if message: - if isinstance(message, re._pattern_type): - match = message.pattern - else: - match = message - - self.log.debug('Custom extended status wait match: ' - '{}'.format(match)) - else: - self.log.debug('Default extended status wait match: contains ' - 'READY (case-insensitive)') - message = re.compile('.*ready.*', re.IGNORECASE) - - if exclude_services: - self.log.debug('Excluding services from extended status match: ' - '{}'.format(exclude_services)) - else: - exclude_services = [] - - if include_only: - services = include_only - else: - services = list(set(all_services) - set(exclude_services)) - - self.log.debug('Waiting up to {}s for extended status on services: ' - '{}'.format(timeout, services)) - service_messages = {service: message for service in services} - self.d.sentry.wait_for_messages(service_messages, timeout=timeout) - self.log.info('OK') - - def _get_openstack_release(self): - """Get openstack release. - - Return an integer representing the enum value of the openstack - release. - """ - # Must be ordered by OpenStack release (not by Ubuntu release): - (self.precise_essex, self.precise_folsom, self.precise_grizzly, - self.precise_havana, self.precise_icehouse, - self.trusty_icehouse, self.trusty_juno, self.utopic_juno, - self.trusty_kilo, self.vivid_kilo, self.trusty_liberty, - self.wily_liberty, self.trusty_mitaka, - self.xenial_mitaka) = range(14) - - releases = { - ('precise', None): self.precise_essex, - ('precise', 'cloud:precise-folsom'): self.precise_folsom, - ('precise', 'cloud:precise-grizzly'): self.precise_grizzly, - ('precise', 'cloud:precise-havana'): self.precise_havana, - ('precise', 'cloud:precise-icehouse'): self.precise_icehouse, - ('trusty', None): self.trusty_icehouse, - ('trusty', 'cloud:trusty-juno'): self.trusty_juno, - ('trusty', 'cloud:trusty-kilo'): self.trusty_kilo, - ('trusty', 'cloud:trusty-liberty'): self.trusty_liberty, - ('trusty', 'cloud:trusty-mitaka'): self.trusty_mitaka, - ('utopic', None): self.utopic_juno, - ('vivid', None): self.vivid_kilo, - ('wily', None): self.wily_liberty, - ('xenial', None): self.xenial_mitaka} - return releases[(self.series, self.openstack)] - - def _get_openstack_release_string(self): - """Get openstack release string. - - Return a string representing the openstack release. - """ - releases = OrderedDict([ - ('precise', 'essex'), - ('quantal', 'folsom'), - ('raring', 'grizzly'), - ('saucy', 'havana'), - ('trusty', 'icehouse'), - ('utopic', 'juno'), - ('vivid', 'kilo'), - ('wily', 'liberty'), - ('xenial', 'mitaka'), - ]) - if self.openstack: - os_origin = self.openstack.split(':')[1] - return os_origin.split('%s-' % self.series)[1].split('/')[0] - else: - return releases[self.series] - - def get_ceph_expected_pools(self, radosgw=False): - """Return a list of expected ceph pools in a ceph + cinder + glance - test scenario, based on OpenStack release and whether ceph radosgw - is flagged as present or not.""" - - if self._get_openstack_release() >= self.trusty_kilo: - # Kilo or later - pools = [ - 'rbd', - 'cinder', - 'glance' - ] - else: - # Juno or earlier - pools = [ - 'data', - 'metadata', - 'rbd', - 'cinder', - 'glance' - ] - - if radosgw: - pools.extend([ - '.rgw.root', - '.rgw.control', - '.rgw', - '.rgw.gc', - '.users.uid' - ]) - - return pools diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/utils.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/utils.py deleted file mode 100644 index 8040b57..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/amulet/utils.py +++ /dev/null @@ -1,1010 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import amulet -import json -import logging -import os -import re -import six -import time -import urllib - -import cinderclient.v1.client as cinder_client -import glanceclient.v1.client as glance_client -import heatclient.v1.client as heat_client -import keystoneclient.v2_0 as keystone_client -from keystoneclient.auth.identity import v3 as keystone_id_v3 -from keystoneclient import session as keystone_session -from keystoneclient.v3 import client as keystone_client_v3 - -import novaclient.client as nova_client -import pika -import swiftclient - -from charmhelpers.contrib.amulet.utils import ( - AmuletUtils -) - -DEBUG = logging.DEBUG -ERROR = logging.ERROR - -NOVA_CLIENT_VERSION = "2" - - -class OpenStackAmuletUtils(AmuletUtils): - """OpenStack amulet utilities. - - This class inherits from AmuletUtils and has additional support - that is specifically for use by OpenStack charm tests. - """ - - def __init__(self, log_level=ERROR): - """Initialize the deployment environment.""" - super(OpenStackAmuletUtils, self).__init__(log_level) - - def validate_endpoint_data(self, endpoints, admin_port, internal_port, - public_port, expected): - """Validate endpoint data. - - Validate actual endpoint data vs expected endpoint data. The ports - are used to find the matching endpoint. - """ - self.log.debug('Validating endpoint data...') - self.log.debug('actual: {}'.format(repr(endpoints))) - found = False - for ep in endpoints: - self.log.debug('endpoint: {}'.format(repr(ep))) - if (admin_port in ep.adminurl and - internal_port in ep.internalurl and - public_port in ep.publicurl): - found = True - actual = {'id': ep.id, - 'region': ep.region, - 'adminurl': ep.adminurl, - 'internalurl': ep.internalurl, - 'publicurl': ep.publicurl, - 'service_id': ep.service_id} - ret = self._validate_dict_data(expected, actual) - if ret: - return 'unexpected endpoint data - {}'.format(ret) - - if not found: - return 'endpoint not found' - - def validate_svc_catalog_endpoint_data(self, expected, actual): - """Validate service catalog endpoint data. - - Validate a list of actual service catalog endpoints vs a list of - expected service catalog endpoints. - """ - self.log.debug('Validating service catalog endpoint data...') - self.log.debug('actual: {}'.format(repr(actual))) - for k, v in six.iteritems(expected): - if k in actual: - ret = self._validate_dict_data(expected[k][0], actual[k][0]) - if ret: - return self.endpoint_error(k, ret) - else: - return "endpoint {} does not exist".format(k) - return ret - - def validate_tenant_data(self, expected, actual): - """Validate tenant data. - - Validate a list of actual tenant data vs list of expected tenant - data. - """ - self.log.debug('Validating tenant data...') - self.log.debug('actual: {}'.format(repr(actual))) - for e in expected: - found = False - for act in actual: - a = {'enabled': act.enabled, 'description': act.description, - 'name': act.name, 'id': act.id} - if e['name'] == a['name']: - found = True - ret = self._validate_dict_data(e, a) - if ret: - return "unexpected tenant data - {}".format(ret) - if not found: - return "tenant {} does not exist".format(e['name']) - return ret - - def validate_role_data(self, expected, actual): - """Validate role data. - - Validate a list of actual role data vs a list of expected role - data. - """ - self.log.debug('Validating role data...') - self.log.debug('actual: {}'.format(repr(actual))) - for e in expected: - found = False - for act in actual: - a = {'name': act.name, 'id': act.id} - if e['name'] == a['name']: - found = True - ret = self._validate_dict_data(e, a) - if ret: - return "unexpected role data - {}".format(ret) - if not found: - return "role {} does not exist".format(e['name']) - return ret - - def validate_user_data(self, expected, actual, api_version=None): - """Validate user data. - - Validate a list of actual user data vs a list of expected user - data. - """ - self.log.debug('Validating user data...') - self.log.debug('actual: {}'.format(repr(actual))) - for e in expected: - found = False - for act in actual: - if e['name'] == act.name: - a = {'enabled': act.enabled, 'name': act.name, - 'email': act.email, 'id': act.id} - if api_version == 3: - a['default_project_id'] = getattr(act, - 'default_project_id', - 'none') - else: - a['tenantId'] = act.tenantId - found = True - ret = self._validate_dict_data(e, a) - if ret: - return "unexpected user data - {}".format(ret) - if not found: - return "user {} does not exist".format(e['name']) - return ret - - def validate_flavor_data(self, expected, actual): - """Validate flavor data. - - Validate a list of actual flavors vs a list of expected flavors. - """ - self.log.debug('Validating flavor data...') - self.log.debug('actual: {}'.format(repr(actual))) - act = [a.name for a in actual] - return self._validate_list_data(expected, act) - - def tenant_exists(self, keystone, tenant): - """Return True if tenant exists.""" - self.log.debug('Checking if tenant exists ({})...'.format(tenant)) - return tenant in [t.name for t in keystone.tenants.list()] - - def authenticate_cinder_admin(self, keystone_sentry, username, - password, tenant): - """Authenticates admin user with cinder.""" - # NOTE(beisner): cinder python client doesn't accept tokens. - service_ip = \ - keystone_sentry.relation('shared-db', - 'mysql:shared-db')['private-address'] - ept = "http://{}:5000/v2.0".format(service_ip.strip().decode('utf-8')) - return cinder_client.Client(username, password, tenant, ept) - - def authenticate_keystone_admin(self, keystone_sentry, user, password, - tenant=None, api_version=None, - keystone_ip=None): - """Authenticates admin user with the keystone admin endpoint.""" - self.log.debug('Authenticating keystone admin...') - unit = keystone_sentry - if not keystone_ip: - keystone_ip = unit.relation('shared-db', - 'mysql:shared-db')['private-address'] - base_ep = "http://{}:35357".format(keystone_ip.strip().decode('utf-8')) - if not api_version or api_version == 2: - ep = base_ep + "/v2.0" - return keystone_client.Client(username=user, password=password, - tenant_name=tenant, auth_url=ep) - else: - ep = base_ep + "/v3" - auth = keystone_id_v3.Password( - user_domain_name='admin_domain', - username=user, - password=password, - domain_name='admin_domain', - auth_url=ep, - ) - sess = keystone_session.Session(auth=auth) - return keystone_client_v3.Client(session=sess) - - def authenticate_keystone_user(self, keystone, user, password, tenant): - """Authenticates a regular user with the keystone public endpoint.""" - self.log.debug('Authenticating keystone user ({})...'.format(user)) - ep = keystone.service_catalog.url_for(service_type='identity', - endpoint_type='publicURL') - return keystone_client.Client(username=user, password=password, - tenant_name=tenant, auth_url=ep) - - def authenticate_glance_admin(self, keystone): - """Authenticates admin user with glance.""" - self.log.debug('Authenticating glance admin...') - ep = keystone.service_catalog.url_for(service_type='image', - endpoint_type='adminURL') - return glance_client.Client(ep, token=keystone.auth_token) - - def authenticate_heat_admin(self, keystone): - """Authenticates the admin user with heat.""" - self.log.debug('Authenticating heat admin...') - ep = keystone.service_catalog.url_for(service_type='orchestration', - endpoint_type='publicURL') - return heat_client.Client(endpoint=ep, token=keystone.auth_token) - - def authenticate_nova_user(self, keystone, user, password, tenant): - """Authenticates a regular user with nova-api.""" - self.log.debug('Authenticating nova user ({})...'.format(user)) - ep = keystone.service_catalog.url_for(service_type='identity', - endpoint_type='publicURL') - return nova_client.Client(NOVA_CLIENT_VERSION, - username=user, api_key=password, - project_id=tenant, auth_url=ep) - - def authenticate_swift_user(self, keystone, user, password, tenant): - """Authenticates a regular user with swift api.""" - self.log.debug('Authenticating swift user ({})...'.format(user)) - ep = keystone.service_catalog.url_for(service_type='identity', - endpoint_type='publicURL') - return swiftclient.Connection(authurl=ep, - user=user, - key=password, - tenant_name=tenant, - auth_version='2.0') - - def create_cirros_image(self, glance, image_name): - """Download the latest cirros image and upload it to glance, - validate and return a resource pointer. - - :param glance: pointer to authenticated glance connection - :param image_name: display name for new image - :returns: glance image pointer - """ - self.log.debug('Creating glance cirros image ' - '({})...'.format(image_name)) - - # Download cirros image - http_proxy = os.getenv('AMULET_HTTP_PROXY') - self.log.debug('AMULET_HTTP_PROXY: {}'.format(http_proxy)) - if http_proxy: - proxies = {'http': http_proxy} - opener = urllib.FancyURLopener(proxies) - else: - opener = urllib.FancyURLopener() - - f = opener.open('http://download.cirros-cloud.net/version/released') - version = f.read().strip() - cirros_img = 'cirros-{}-x86_64-disk.img'.format(version) - local_path = os.path.join('tests', cirros_img) - - if not os.path.exists(local_path): - cirros_url = 'http://{}/{}/{}'.format('download.cirros-cloud.net', - version, cirros_img) - opener.retrieve(cirros_url, local_path) - f.close() - - # Create glance image - with open(local_path) as f: - image = glance.images.create(name=image_name, is_public=True, - disk_format='qcow2', - container_format='bare', data=f) - - # Wait for image to reach active status - img_id = image.id - ret = self.resource_reaches_status(glance.images, img_id, - expected_stat='active', - msg='Image status wait') - if not ret: - msg = 'Glance image failed to reach expected state.' - amulet.raise_status(amulet.FAIL, msg=msg) - - # Re-validate new image - self.log.debug('Validating image attributes...') - val_img_name = glance.images.get(img_id).name - val_img_stat = glance.images.get(img_id).status - val_img_pub = glance.images.get(img_id).is_public - val_img_cfmt = glance.images.get(img_id).container_format - val_img_dfmt = glance.images.get(img_id).disk_format - msg_attr = ('Image attributes - name:{} public:{} id:{} stat:{} ' - 'container fmt:{} disk fmt:{}'.format( - val_img_name, val_img_pub, img_id, - val_img_stat, val_img_cfmt, val_img_dfmt)) - - if val_img_name == image_name and val_img_stat == 'active' \ - and val_img_pub is True and val_img_cfmt == 'bare' \ - and val_img_dfmt == 'qcow2': - self.log.debug(msg_attr) - else: - msg = ('Volume validation failed, {}'.format(msg_attr)) - amulet.raise_status(amulet.FAIL, msg=msg) - - return image - - def delete_image(self, glance, image): - """Delete the specified image.""" - - # /!\ DEPRECATION WARNING - self.log.warn('/!\\ DEPRECATION WARNING: use ' - 'delete_resource instead of delete_image.') - self.log.debug('Deleting glance image ({})...'.format(image)) - return self.delete_resource(glance.images, image, msg='glance image') - - def create_instance(self, nova, image_name, instance_name, flavor): - """Create the specified instance.""" - self.log.debug('Creating instance ' - '({}|{}|{})'.format(instance_name, image_name, flavor)) - image = nova.images.find(name=image_name) - flavor = nova.flavors.find(name=flavor) - instance = nova.servers.create(name=instance_name, image=image, - flavor=flavor) - - count = 1 - status = instance.status - while status != 'ACTIVE' and count < 60: - time.sleep(3) - instance = nova.servers.get(instance.id) - status = instance.status - self.log.debug('instance status: {}'.format(status)) - count += 1 - - if status != 'ACTIVE': - self.log.error('instance creation timed out') - return None - - return instance - - def delete_instance(self, nova, instance): - """Delete the specified instance.""" - - # /!\ DEPRECATION WARNING - self.log.warn('/!\\ DEPRECATION WARNING: use ' - 'delete_resource instead of delete_instance.') - self.log.debug('Deleting instance ({})...'.format(instance)) - return self.delete_resource(nova.servers, instance, - msg='nova instance') - - def create_or_get_keypair(self, nova, keypair_name="testkey"): - """Create a new keypair, or return pointer if it already exists.""" - try: - _keypair = nova.keypairs.get(keypair_name) - self.log.debug('Keypair ({}) already exists, ' - 'using it.'.format(keypair_name)) - return _keypair - except: - self.log.debug('Keypair ({}) does not exist, ' - 'creating it.'.format(keypair_name)) - - _keypair = nova.keypairs.create(name=keypair_name) - return _keypair - - def create_cinder_volume(self, cinder, vol_name="demo-vol", vol_size=1, - img_id=None, src_vol_id=None, snap_id=None): - """Create cinder volume, optionally from a glance image, OR - optionally as a clone of an existing volume, OR optionally - from a snapshot. Wait for the new volume status to reach - the expected status, validate and return a resource pointer. - - :param vol_name: cinder volume display name - :param vol_size: size in gigabytes - :param img_id: optional glance image id - :param src_vol_id: optional source volume id to clone - :param snap_id: optional snapshot id to use - :returns: cinder volume pointer - """ - # Handle parameter input and avoid impossible combinations - if img_id and not src_vol_id and not snap_id: - # Create volume from image - self.log.debug('Creating cinder volume from glance image...') - bootable = 'true' - elif src_vol_id and not img_id and not snap_id: - # Clone an existing volume - self.log.debug('Cloning cinder volume...') - bootable = cinder.volumes.get(src_vol_id).bootable - elif snap_id and not src_vol_id and not img_id: - # Create volume from snapshot - self.log.debug('Creating cinder volume from snapshot...') - snap = cinder.volume_snapshots.find(id=snap_id) - vol_size = snap.size - snap_vol_id = cinder.volume_snapshots.get(snap_id).volume_id - bootable = cinder.volumes.get(snap_vol_id).bootable - elif not img_id and not src_vol_id and not snap_id: - # Create volume - self.log.debug('Creating cinder volume...') - bootable = 'false' - else: - # Impossible combination of parameters - msg = ('Invalid method use - name:{} size:{} img_id:{} ' - 'src_vol_id:{} snap_id:{}'.format(vol_name, vol_size, - img_id, src_vol_id, - snap_id)) - amulet.raise_status(amulet.FAIL, msg=msg) - - # Create new volume - try: - vol_new = cinder.volumes.create(display_name=vol_name, - imageRef=img_id, - size=vol_size, - source_volid=src_vol_id, - snapshot_id=snap_id) - vol_id = vol_new.id - except Exception as e: - msg = 'Failed to create volume: {}'.format(e) - amulet.raise_status(amulet.FAIL, msg=msg) - - # Wait for volume to reach available status - ret = self.resource_reaches_status(cinder.volumes, vol_id, - expected_stat="available", - msg="Volume status wait") - if not ret: - msg = 'Cinder volume failed to reach expected state.' - amulet.raise_status(amulet.FAIL, msg=msg) - - # Re-validate new volume - self.log.debug('Validating volume attributes...') - val_vol_name = cinder.volumes.get(vol_id).display_name - val_vol_boot = cinder.volumes.get(vol_id).bootable - val_vol_stat = cinder.volumes.get(vol_id).status - val_vol_size = cinder.volumes.get(vol_id).size - msg_attr = ('Volume attributes - name:{} id:{} stat:{} boot:' - '{} size:{}'.format(val_vol_name, vol_id, - val_vol_stat, val_vol_boot, - val_vol_size)) - - if val_vol_boot == bootable and val_vol_stat == 'available' \ - and val_vol_name == vol_name and val_vol_size == vol_size: - self.log.debug(msg_attr) - else: - msg = ('Volume validation failed, {}'.format(msg_attr)) - amulet.raise_status(amulet.FAIL, msg=msg) - - return vol_new - - def delete_resource(self, resource, resource_id, - msg="resource", max_wait=120): - """Delete one openstack resource, such as one instance, keypair, - image, volume, stack, etc., and confirm deletion within max wait time. - - :param resource: pointer to os resource type, ex:glance_client.images - :param resource_id: unique name or id for the openstack resource - :param msg: text to identify purpose in logging - :param max_wait: maximum wait time in seconds - :returns: True if successful, otherwise False - """ - self.log.debug('Deleting OpenStack resource ' - '{} ({})'.format(resource_id, msg)) - num_before = len(list(resource.list())) - resource.delete(resource_id) - - tries = 0 - num_after = len(list(resource.list())) - while num_after != (num_before - 1) and tries < (max_wait / 4): - self.log.debug('{} delete check: ' - '{} [{}:{}] {}'.format(msg, tries, - num_before, - num_after, - resource_id)) - time.sleep(4) - num_after = len(list(resource.list())) - tries += 1 - - self.log.debug('{}: expected, actual count = {}, ' - '{}'.format(msg, num_before - 1, num_after)) - - if num_after == (num_before - 1): - return True - else: - self.log.error('{} delete timed out'.format(msg)) - return False - - def resource_reaches_status(self, resource, resource_id, - expected_stat='available', - msg='resource', max_wait=120): - """Wait for an openstack resources status to reach an - expected status within a specified time. Useful to confirm that - nova instances, cinder vols, snapshots, glance images, heat stacks - and other resources eventually reach the expected status. - - :param resource: pointer to os resource type, ex: heat_client.stacks - :param resource_id: unique id for the openstack resource - :param expected_stat: status to expect resource to reach - :param msg: text to identify purpose in logging - :param max_wait: maximum wait time in seconds - :returns: True if successful, False if status is not reached - """ - - tries = 0 - resource_stat = resource.get(resource_id).status - while resource_stat != expected_stat and tries < (max_wait / 4): - self.log.debug('{} status check: ' - '{} [{}:{}] {}'.format(msg, tries, - resource_stat, - expected_stat, - resource_id)) - time.sleep(4) - resource_stat = resource.get(resource_id).status - tries += 1 - - self.log.debug('{}: expected, actual status = {}, ' - '{}'.format(msg, resource_stat, expected_stat)) - - if resource_stat == expected_stat: - return True - else: - self.log.debug('{} never reached expected status: ' - '{}'.format(resource_id, expected_stat)) - return False - - def get_ceph_osd_id_cmd(self, index): - """Produce a shell command that will return a ceph-osd id.""" - return ("`initctl list | grep 'ceph-osd ' | " - "awk 'NR=={} {{ print $2 }}' | " - "grep -o '[0-9]*'`".format(index + 1)) - - def get_ceph_pools(self, sentry_unit): - """Return a dict of ceph pools from a single ceph unit, with - pool name as keys, pool id as vals.""" - pools = {} - cmd = 'sudo ceph osd lspools' - output, code = sentry_unit.run(cmd) - if code != 0: - msg = ('{} `{}` returned {} ' - '{}'.format(sentry_unit.info['unit_name'], - cmd, code, output)) - amulet.raise_status(amulet.FAIL, msg=msg) - - # Example output: 0 data,1 metadata,2 rbd,3 cinder,4 glance, - for pool in str(output).split(','): - pool_id_name = pool.split(' ') - if len(pool_id_name) == 2: - pool_id = pool_id_name[0] - pool_name = pool_id_name[1] - pools[pool_name] = int(pool_id) - - self.log.debug('Pools on {}: {}'.format(sentry_unit.info['unit_name'], - pools)) - return pools - - def get_ceph_df(self, sentry_unit): - """Return dict of ceph df json output, including ceph pool state. - - :param sentry_unit: Pointer to amulet sentry instance (juju unit) - :returns: Dict of ceph df output - """ - cmd = 'sudo ceph df --format=json' - output, code = sentry_unit.run(cmd) - if code != 0: - msg = ('{} `{}` returned {} ' - '{}'.format(sentry_unit.info['unit_name'], - cmd, code, output)) - amulet.raise_status(amulet.FAIL, msg=msg) - return json.loads(output) - - def get_ceph_pool_sample(self, sentry_unit, pool_id=0): - """Take a sample of attributes of a ceph pool, returning ceph - pool name, object count and disk space used for the specified - pool ID number. - - :param sentry_unit: Pointer to amulet sentry instance (juju unit) - :param pool_id: Ceph pool ID - :returns: List of pool name, object count, kb disk space used - """ - df = self.get_ceph_df(sentry_unit) - pool_name = df['pools'][pool_id]['name'] - obj_count = df['pools'][pool_id]['stats']['objects'] - kb_used = df['pools'][pool_id]['stats']['kb_used'] - self.log.debug('Ceph {} pool (ID {}): {} objects, ' - '{} kb used'.format(pool_name, pool_id, - obj_count, kb_used)) - return pool_name, obj_count, kb_used - - def validate_ceph_pool_samples(self, samples, sample_type="resource pool"): - """Validate ceph pool samples taken over time, such as pool - object counts or pool kb used, before adding, after adding, and - after deleting items which affect those pool attributes. The - 2nd element is expected to be greater than the 1st; 3rd is expected - to be less than the 2nd. - - :param samples: List containing 3 data samples - :param sample_type: String for logging and usage context - :returns: None if successful, Failure message otherwise - """ - original, created, deleted = range(3) - if samples[created] <= samples[original] or \ - samples[deleted] >= samples[created]: - return ('Ceph {} samples ({}) ' - 'unexpected.'.format(sample_type, samples)) - else: - self.log.debug('Ceph {} samples (OK): ' - '{}'.format(sample_type, samples)) - return None - - # rabbitmq/amqp specific helpers: - - def rmq_wait_for_cluster(self, deployment, init_sleep=15, timeout=1200): - """Wait for rmq units extended status to show cluster readiness, - after an optional initial sleep period. Initial sleep is likely - necessary to be effective following a config change, as status - message may not instantly update to non-ready.""" - - if init_sleep: - time.sleep(init_sleep) - - message = re.compile('^Unit is ready and clustered$') - deployment._auto_wait_for_status(message=message, - timeout=timeout, - include_only=['rabbitmq-server']) - - def add_rmq_test_user(self, sentry_units, - username="testuser1", password="changeme"): - """Add a test user via the first rmq juju unit, check connection as - the new user against all sentry units. - - :param sentry_units: list of sentry unit pointers - :param username: amqp user name, default to testuser1 - :param password: amqp user password - :returns: None if successful. Raise on error. - """ - self.log.debug('Adding rmq user ({})...'.format(username)) - - # Check that user does not already exist - cmd_user_list = 'rabbitmqctl list_users' - output, _ = self.run_cmd_unit(sentry_units[0], cmd_user_list) - if username in output: - self.log.warning('User ({}) already exists, returning ' - 'gracefully.'.format(username)) - return - - perms = '".*" ".*" ".*"' - cmds = ['rabbitmqctl add_user {} {}'.format(username, password), - 'rabbitmqctl set_permissions {} {}'.format(username, perms)] - - # Add user via first unit - for cmd in cmds: - output, _ = self.run_cmd_unit(sentry_units[0], cmd) - - # Check connection against the other sentry_units - self.log.debug('Checking user connect against units...') - for sentry_unit in sentry_units: - connection = self.connect_amqp_by_unit(sentry_unit, ssl=False, - username=username, - password=password) - connection.close() - - def delete_rmq_test_user(self, sentry_units, username="testuser1"): - """Delete a rabbitmq user via the first rmq juju unit. - - :param sentry_units: list of sentry unit pointers - :param username: amqp user name, default to testuser1 - :param password: amqp user password - :returns: None if successful or no such user. - """ - self.log.debug('Deleting rmq user ({})...'.format(username)) - - # Check that the user exists - cmd_user_list = 'rabbitmqctl list_users' - output, _ = self.run_cmd_unit(sentry_units[0], cmd_user_list) - - if username not in output: - self.log.warning('User ({}) does not exist, returning ' - 'gracefully.'.format(username)) - return - - # Delete the user - cmd_user_del = 'rabbitmqctl delete_user {}'.format(username) - output, _ = self.run_cmd_unit(sentry_units[0], cmd_user_del) - - def get_rmq_cluster_status(self, sentry_unit): - """Execute rabbitmq cluster status command on a unit and return - the full output. - - :param unit: sentry unit - :returns: String containing console output of cluster status command - """ - cmd = 'rabbitmqctl cluster_status' - output, _ = self.run_cmd_unit(sentry_unit, cmd) - self.log.debug('{} cluster_status:\n{}'.format( - sentry_unit.info['unit_name'], output)) - return str(output) - - def get_rmq_cluster_running_nodes(self, sentry_unit): - """Parse rabbitmqctl cluster_status output string, return list of - running rabbitmq cluster nodes. - - :param unit: sentry unit - :returns: List containing node names of running nodes - """ - # NOTE(beisner): rabbitmqctl cluster_status output is not - # json-parsable, do string chop foo, then json.loads that. - str_stat = self.get_rmq_cluster_status(sentry_unit) - if 'running_nodes' in str_stat: - pos_start = str_stat.find("{running_nodes,") + 15 - pos_end = str_stat.find("]},", pos_start) + 1 - str_run_nodes = str_stat[pos_start:pos_end].replace("'", '"') - run_nodes = json.loads(str_run_nodes) - return run_nodes - else: - return [] - - def validate_rmq_cluster_running_nodes(self, sentry_units): - """Check that all rmq unit hostnames are represented in the - cluster_status output of all units. - - :param host_names: dict of juju unit names to host names - :param units: list of sentry unit pointers (all rmq units) - :returns: None if successful, otherwise return error message - """ - host_names = self.get_unit_hostnames(sentry_units) - errors = [] - - # Query every unit for cluster_status running nodes - for query_unit in sentry_units: - query_unit_name = query_unit.info['unit_name'] - running_nodes = self.get_rmq_cluster_running_nodes(query_unit) - - # Confirm that every unit is represented in the queried unit's - # cluster_status running nodes output. - for validate_unit in sentry_units: - val_host_name = host_names[validate_unit.info['unit_name']] - val_node_name = 'rabbit@{}'.format(val_host_name) - - if val_node_name not in running_nodes: - errors.append('Cluster member check failed on {}: {} not ' - 'in {}\n'.format(query_unit_name, - val_node_name, - running_nodes)) - if errors: - return ''.join(errors) - - def rmq_ssl_is_enabled_on_unit(self, sentry_unit, port=None): - """Check a single juju rmq unit for ssl and port in the config file.""" - host = sentry_unit.info['public-address'] - unit_name = sentry_unit.info['unit_name'] - - conf_file = '/etc/rabbitmq/rabbitmq.config' - conf_contents = str(self.file_contents_safe(sentry_unit, - conf_file, max_wait=16)) - # Checks - conf_ssl = 'ssl' in conf_contents - conf_port = str(port) in conf_contents - - # Port explicitly checked in config - if port and conf_port and conf_ssl: - self.log.debug('SSL is enabled @{}:{} ' - '({})'.format(host, port, unit_name)) - return True - elif port and not conf_port and conf_ssl: - self.log.debug('SSL is enabled @{} but not on port {} ' - '({})'.format(host, port, unit_name)) - return False - # Port not checked (useful when checking that ssl is disabled) - elif not port and conf_ssl: - self.log.debug('SSL is enabled @{}:{} ' - '({})'.format(host, port, unit_name)) - return True - elif not conf_ssl: - self.log.debug('SSL not enabled @{}:{} ' - '({})'.format(host, port, unit_name)) - return False - else: - msg = ('Unknown condition when checking SSL status @{}:{} ' - '({})'.format(host, port, unit_name)) - amulet.raise_status(amulet.FAIL, msg) - - def validate_rmq_ssl_enabled_units(self, sentry_units, port=None): - """Check that ssl is enabled on rmq juju sentry units. - - :param sentry_units: list of all rmq sentry units - :param port: optional ssl port override to validate - :returns: None if successful, otherwise return error message - """ - for sentry_unit in sentry_units: - if not self.rmq_ssl_is_enabled_on_unit(sentry_unit, port=port): - return ('Unexpected condition: ssl is disabled on unit ' - '({})'.format(sentry_unit.info['unit_name'])) - return None - - def validate_rmq_ssl_disabled_units(self, sentry_units): - """Check that ssl is enabled on listed rmq juju sentry units. - - :param sentry_units: list of all rmq sentry units - :returns: True if successful. Raise on error. - """ - for sentry_unit in sentry_units: - if self.rmq_ssl_is_enabled_on_unit(sentry_unit): - return ('Unexpected condition: ssl is enabled on unit ' - '({})'.format(sentry_unit.info['unit_name'])) - return None - - def configure_rmq_ssl_on(self, sentry_units, deployment, - port=None, max_wait=60): - """Turn ssl charm config option on, with optional non-default - ssl port specification. Confirm that it is enabled on every - unit. - - :param sentry_units: list of sentry units - :param deployment: amulet deployment object pointer - :param port: amqp port, use defaults if None - :param max_wait: maximum time to wait in seconds to confirm - :returns: None if successful. Raise on error. - """ - self.log.debug('Setting ssl charm config option: on') - - # Enable RMQ SSL - config = {'ssl': 'on'} - if port: - config['ssl_port'] = port - - deployment.d.configure('rabbitmq-server', config) - - # Wait for unit status - self.rmq_wait_for_cluster(deployment) - - # Confirm - tries = 0 - ret = self.validate_rmq_ssl_enabled_units(sentry_units, port=port) - while ret and tries < (max_wait / 4): - time.sleep(4) - self.log.debug('Attempt {}: {}'.format(tries, ret)) - ret = self.validate_rmq_ssl_enabled_units(sentry_units, port=port) - tries += 1 - - if ret: - amulet.raise_status(amulet.FAIL, ret) - - def configure_rmq_ssl_off(self, sentry_units, deployment, max_wait=60): - """Turn ssl charm config option off, confirm that it is disabled - on every unit. - - :param sentry_units: list of sentry units - :param deployment: amulet deployment object pointer - :param max_wait: maximum time to wait in seconds to confirm - :returns: None if successful. Raise on error. - """ - self.log.debug('Setting ssl charm config option: off') - - # Disable RMQ SSL - config = {'ssl': 'off'} - deployment.d.configure('rabbitmq-server', config) - - # Wait for unit status - self.rmq_wait_for_cluster(deployment) - - # Confirm - tries = 0 - ret = self.validate_rmq_ssl_disabled_units(sentry_units) - while ret and tries < (max_wait / 4): - time.sleep(4) - self.log.debug('Attempt {}: {}'.format(tries, ret)) - ret = self.validate_rmq_ssl_disabled_units(sentry_units) - tries += 1 - - if ret: - amulet.raise_status(amulet.FAIL, ret) - - def connect_amqp_by_unit(self, sentry_unit, ssl=False, - port=None, fatal=True, - username="testuser1", password="changeme"): - """Establish and return a pika amqp connection to the rabbitmq service - running on a rmq juju unit. - - :param sentry_unit: sentry unit pointer - :param ssl: boolean, default to False - :param port: amqp port, use defaults if None - :param fatal: boolean, default to True (raises on connect error) - :param username: amqp user name, default to testuser1 - :param password: amqp user password - :returns: pika amqp connection pointer or None if failed and non-fatal - """ - host = sentry_unit.info['public-address'] - unit_name = sentry_unit.info['unit_name'] - - # Default port logic if port is not specified - if ssl and not port: - port = 5671 - elif not ssl and not port: - port = 5672 - - self.log.debug('Connecting to amqp on {}:{} ({}) as ' - '{}...'.format(host, port, unit_name, username)) - - try: - credentials = pika.PlainCredentials(username, password) - parameters = pika.ConnectionParameters(host=host, port=port, - credentials=credentials, - ssl=ssl, - connection_attempts=3, - retry_delay=5, - socket_timeout=1) - connection = pika.BlockingConnection(parameters) - assert connection.server_properties['product'] == 'RabbitMQ' - self.log.debug('Connect OK') - return connection - except Exception as e: - msg = ('amqp connection failed to {}:{} as ' - '{} ({})'.format(host, port, username, str(e))) - if fatal: - amulet.raise_status(amulet.FAIL, msg) - else: - self.log.warn(msg) - return None - - def publish_amqp_message_by_unit(self, sentry_unit, message, - queue="test", ssl=False, - username="testuser1", - password="changeme", - port=None): - """Publish an amqp message to a rmq juju unit. - - :param sentry_unit: sentry unit pointer - :param message: amqp message string - :param queue: message queue, default to test - :param username: amqp user name, default to testuser1 - :param password: amqp user password - :param ssl: boolean, default to False - :param port: amqp port, use defaults if None - :returns: None. Raises exception if publish failed. - """ - self.log.debug('Publishing message to {} queue:\n{}'.format(queue, - message)) - connection = self.connect_amqp_by_unit(sentry_unit, ssl=ssl, - port=port, - username=username, - password=password) - - # NOTE(beisner): extra debug here re: pika hang potential: - # https://github.com/pika/pika/issues/297 - # https://groups.google.com/forum/#!topic/rabbitmq-users/Ja0iyfF0Szw - self.log.debug('Defining channel...') - channel = connection.channel() - self.log.debug('Declaring queue...') - channel.queue_declare(queue=queue, auto_delete=False, durable=True) - self.log.debug('Publishing message...') - channel.basic_publish(exchange='', routing_key=queue, body=message) - self.log.debug('Closing channel...') - channel.close() - self.log.debug('Closing connection...') - connection.close() - - def get_amqp_message_by_unit(self, sentry_unit, queue="test", - username="testuser1", - password="changeme", - ssl=False, port=None): - """Get an amqp message from a rmq juju unit. - - :param sentry_unit: sentry unit pointer - :param queue: message queue, default to test - :param username: amqp user name, default to testuser1 - :param password: amqp user password - :param ssl: boolean, default to False - :param port: amqp port, use defaults if None - :returns: amqp message body as string. Raise if get fails. - """ - connection = self.connect_amqp_by_unit(sentry_unit, ssl=ssl, - port=port, - username=username, - password=password) - channel = connection.channel() - method_frame, _, body = channel.basic_get(queue) - - if method_frame: - self.log.debug('Retreived message from {} queue:\n{}'.format(queue, - body)) - channel.basic_ack(method_frame.delivery_tag) - channel.close() - connection.close() - return body - else: - msg = 'No message retrieved.' - amulet.raise_status(amulet.FAIL, msg) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/context.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/context.py deleted file mode 100644 index 76737f2..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/context.py +++ /dev/null @@ -1,1508 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import glob -import json -import os -import re -import time -from base64 import b64decode -from subprocess import check_call, CalledProcessError - -import six - -from charmhelpers.fetch import ( - apt_install, - filter_installed_packages, -) -from charmhelpers.core.hookenv import ( - config, - is_relation_made, - local_unit, - log, - relation_get, - relation_ids, - related_units, - relation_set, - unit_get, - unit_private_ip, - charm_name, - DEBUG, - INFO, - WARNING, - ERROR, - status_set, -) - -from charmhelpers.core.sysctl import create as sysctl_create -from charmhelpers.core.strutils import bool_from_string -from charmhelpers.contrib.openstack.exceptions import OSContextError - -from charmhelpers.core.host import ( - get_bond_master, - is_phy_iface, - list_nics, - get_nic_hwaddr, - mkdir, - write_file, - pwgen, - lsb_release, -) -from charmhelpers.contrib.hahelpers.cluster import ( - determine_apache_port, - determine_api_port, - https, - is_clustered, -) -from charmhelpers.contrib.hahelpers.apache import ( - get_cert, - get_ca_cert, - install_ca_cert, -) -from charmhelpers.contrib.openstack.neutron import ( - neutron_plugin_attribute, - parse_data_port_mappings, -) -from charmhelpers.contrib.openstack.ip import ( - resolve_address, - INTERNAL, -) -from charmhelpers.contrib.network.ip import ( - get_address_in_network, - get_ipv4_addr, - get_ipv6_addr, - get_netmask_for_address, - format_ipv6_addr, - is_address_in_network, - is_bridge_member, -) -from charmhelpers.contrib.openstack.utils import ( - config_flags_parser, - get_host_ip, -) -from charmhelpers.core.unitdata import kv - -try: - import psutil -except ImportError: - apt_install('python-psutil', fatal=True) - import psutil - -CA_CERT_PATH = '/usr/local/share/ca-certificates/keystone_juju_ca_cert.crt' -ADDRESS_TYPES = ['admin', 'internal', 'public'] - - -def ensure_packages(packages): - """Install but do not upgrade required plugin packages.""" - required = filter_installed_packages(packages) - if required: - apt_install(required, fatal=True) - - -def context_complete(ctxt): - _missing = [] - for k, v in six.iteritems(ctxt): - if v is None or v == '': - _missing.append(k) - - if _missing: - log('Missing required data: %s' % ' '.join(_missing), level=INFO) - return False - - return True - - -class OSContextGenerator(object): - """Base class for all context generators.""" - interfaces = [] - related = False - complete = False - missing_data = [] - - def __call__(self): - raise NotImplementedError - - def context_complete(self, ctxt): - """Check for missing data for the required context data. - Set self.missing_data if it exists and return False. - Set self.complete if no missing data and return True. - """ - # Fresh start - self.complete = False - self.missing_data = [] - for k, v in six.iteritems(ctxt): - if v is None or v == '': - if k not in self.missing_data: - self.missing_data.append(k) - - if self.missing_data: - self.complete = False - log('Missing required data: %s' % ' '.join(self.missing_data), level=INFO) - else: - self.complete = True - return self.complete - - def get_related(self): - """Check if any of the context interfaces have relation ids. - Set self.related and return True if one of the interfaces - has relation ids. - """ - # Fresh start - self.related = False - try: - for interface in self.interfaces: - if relation_ids(interface): - self.related = True - return self.related - except AttributeError as e: - log("{} {}" - "".format(self, e), 'INFO') - return self.related - - -class SharedDBContext(OSContextGenerator): - interfaces = ['shared-db'] - - def __init__(self, - database=None, user=None, relation_prefix=None, ssl_dir=None): - """Allows inspecting relation for settings prefixed with - relation_prefix. This is useful for parsing access for multiple - databases returned via the shared-db interface (eg, nova_password, - quantum_password) - """ - self.relation_prefix = relation_prefix - self.database = database - self.user = user - self.ssl_dir = ssl_dir - self.rel_name = self.interfaces[0] - - def __call__(self): - self.database = self.database or config('database') - self.user = self.user or config('database-user') - if None in [self.database, self.user]: - log("Could not generate shared_db context. Missing required charm " - "config options. (database name and user)", level=ERROR) - raise OSContextError - - ctxt = {} - - # NOTE(jamespage) if mysql charm provides a network upon which - # access to the database should be made, reconfigure relation - # with the service units local address and defer execution - access_network = relation_get('access-network') - if access_network is not None: - if self.relation_prefix is not None: - hostname_key = "{}_hostname".format(self.relation_prefix) - else: - hostname_key = "hostname" - access_hostname = get_address_in_network(access_network, - unit_get('private-address')) - set_hostname = relation_get(attribute=hostname_key, - unit=local_unit()) - if set_hostname != access_hostname: - relation_set(relation_settings={hostname_key: access_hostname}) - return None # Defer any further hook execution for now.... - - password_setting = 'password' - if self.relation_prefix: - password_setting = self.relation_prefix + '_password' - - for rid in relation_ids(self.interfaces[0]): - self.related = True - for unit in related_units(rid): - rdata = relation_get(rid=rid, unit=unit) - host = rdata.get('db_host') - host = format_ipv6_addr(host) or host - ctxt = { - 'database_host': host, - 'database': self.database, - 'database_user': self.user, - 'database_password': rdata.get(password_setting), - 'database_type': 'mysql' - } - if self.context_complete(ctxt): - db_ssl(rdata, ctxt, self.ssl_dir) - return ctxt - return {} - - -class PostgresqlDBContext(OSContextGenerator): - interfaces = ['pgsql-db'] - - def __init__(self, database=None): - self.database = database - - def __call__(self): - self.database = self.database or config('database') - if self.database is None: - log('Could not generate postgresql_db context. Missing required ' - 'charm config options. (database name)', level=ERROR) - raise OSContextError - - ctxt = {} - for rid in relation_ids(self.interfaces[0]): - self.related = True - for unit in related_units(rid): - rel_host = relation_get('host', rid=rid, unit=unit) - rel_user = relation_get('user', rid=rid, unit=unit) - rel_passwd = relation_get('password', rid=rid, unit=unit) - ctxt = {'database_host': rel_host, - 'database': self.database, - 'database_user': rel_user, - 'database_password': rel_passwd, - 'database_type': 'postgresql'} - if self.context_complete(ctxt): - return ctxt - - return {} - - -def db_ssl(rdata, ctxt, ssl_dir): - if 'ssl_ca' in rdata and ssl_dir: - ca_path = os.path.join(ssl_dir, 'db-client.ca') - with open(ca_path, 'w') as fh: - fh.write(b64decode(rdata['ssl_ca'])) - - ctxt['database_ssl_ca'] = ca_path - elif 'ssl_ca' in rdata: - log("Charm not setup for ssl support but ssl ca found", level=INFO) - return ctxt - - if 'ssl_cert' in rdata: - cert_path = os.path.join( - ssl_dir, 'db-client.cert') - if not os.path.exists(cert_path): - log("Waiting 1m for ssl client cert validity", level=INFO) - time.sleep(60) - - with open(cert_path, 'w') as fh: - fh.write(b64decode(rdata['ssl_cert'])) - - ctxt['database_ssl_cert'] = cert_path - key_path = os.path.join(ssl_dir, 'db-client.key') - with open(key_path, 'w') as fh: - fh.write(b64decode(rdata['ssl_key'])) - - ctxt['database_ssl_key'] = key_path - - return ctxt - - -class IdentityServiceContext(OSContextGenerator): - - def __init__(self, service=None, service_user=None, rel_name='identity-service'): - self.service = service - self.service_user = service_user - self.rel_name = rel_name - self.interfaces = [self.rel_name] - - def __call__(self): - log('Generating template context for ' + self.rel_name, level=DEBUG) - ctxt = {} - - if self.service and self.service_user: - # This is required for pki token signing if we don't want /tmp to - # be used. - cachedir = '/var/cache/%s' % (self.service) - if not os.path.isdir(cachedir): - log("Creating service cache dir %s" % (cachedir), level=DEBUG) - mkdir(path=cachedir, owner=self.service_user, - group=self.service_user, perms=0o700) - - ctxt['signing_dir'] = cachedir - - for rid in relation_ids(self.rel_name): - self.related = True - for unit in related_units(rid): - rdata = relation_get(rid=rid, unit=unit) - serv_host = rdata.get('service_host') - serv_host = format_ipv6_addr(serv_host) or serv_host - auth_host = rdata.get('auth_host') - auth_host = format_ipv6_addr(auth_host) or auth_host - svc_protocol = rdata.get('service_protocol') or 'http' - auth_protocol = rdata.get('auth_protocol') or 'http' - api_version = rdata.get('api_version') or '2.0' - ctxt.update({'service_port': rdata.get('service_port'), - 'service_host': serv_host, - 'auth_host': auth_host, - 'auth_port': rdata.get('auth_port'), - 'admin_tenant_name': rdata.get('service_tenant'), - 'admin_user': rdata.get('service_username'), - 'admin_password': rdata.get('service_password'), - 'service_protocol': svc_protocol, - 'auth_protocol': auth_protocol, - 'api_version': api_version}) - - if self.context_complete(ctxt): - # NOTE(jamespage) this is required for >= icehouse - # so a missing value just indicates keystone needs - # upgrading - ctxt['admin_tenant_id'] = rdata.get('service_tenant_id') - return ctxt - - return {} - - -class AMQPContext(OSContextGenerator): - - def __init__(self, ssl_dir=None, rel_name='amqp', relation_prefix=None): - self.ssl_dir = ssl_dir - self.rel_name = rel_name - self.relation_prefix = relation_prefix - self.interfaces = [rel_name] - - def __call__(self): - log('Generating template context for amqp', level=DEBUG) - conf = config() - if self.relation_prefix: - user_setting = '%s-rabbit-user' % (self.relation_prefix) - vhost_setting = '%s-rabbit-vhost' % (self.relation_prefix) - else: - user_setting = 'rabbit-user' - vhost_setting = 'rabbit-vhost' - - try: - username = conf[user_setting] - vhost = conf[vhost_setting] - except KeyError as e: - log('Could not generate shared_db context. Missing required charm ' - 'config options: %s.' % e, level=ERROR) - raise OSContextError - - ctxt = {} - for rid in relation_ids(self.rel_name): - ha_vip_only = False - self.related = True - for unit in related_units(rid): - if relation_get('clustered', rid=rid, unit=unit): - ctxt['clustered'] = True - vip = relation_get('vip', rid=rid, unit=unit) - vip = format_ipv6_addr(vip) or vip - ctxt['rabbitmq_host'] = vip - else: - host = relation_get('private-address', rid=rid, unit=unit) - host = format_ipv6_addr(host) or host - ctxt['rabbitmq_host'] = host - - ctxt.update({ - 'rabbitmq_user': username, - 'rabbitmq_password': relation_get('password', rid=rid, - unit=unit), - 'rabbitmq_virtual_host': vhost, - }) - - ssl_port = relation_get('ssl_port', rid=rid, unit=unit) - if ssl_port: - ctxt['rabbit_ssl_port'] = ssl_port - - ssl_ca = relation_get('ssl_ca', rid=rid, unit=unit) - if ssl_ca: - ctxt['rabbit_ssl_ca'] = ssl_ca - - if relation_get('ha_queues', rid=rid, unit=unit) is not None: - ctxt['rabbitmq_ha_queues'] = True - - ha_vip_only = relation_get('ha-vip-only', - rid=rid, unit=unit) is not None - - if self.context_complete(ctxt): - if 'rabbit_ssl_ca' in ctxt: - if not self.ssl_dir: - log("Charm not setup for ssl support but ssl ca " - "found", level=INFO) - break - - ca_path = os.path.join( - self.ssl_dir, 'rabbit-client-ca.pem') - with open(ca_path, 'w') as fh: - fh.write(b64decode(ctxt['rabbit_ssl_ca'])) - ctxt['rabbit_ssl_ca'] = ca_path - - # Sufficient information found = break out! - break - - # Used for active/active rabbitmq >= grizzly - if (('clustered' not in ctxt or ha_vip_only) and - len(related_units(rid)) > 1): - rabbitmq_hosts = [] - for unit in related_units(rid): - host = relation_get('private-address', rid=rid, unit=unit) - host = format_ipv6_addr(host) or host - rabbitmq_hosts.append(host) - - ctxt['rabbitmq_hosts'] = ','.join(sorted(rabbitmq_hosts)) - - oslo_messaging_flags = conf.get('oslo-messaging-flags', None) - if oslo_messaging_flags: - ctxt['oslo_messaging_flags'] = config_flags_parser( - oslo_messaging_flags) - - if not self.complete: - return {} - - return ctxt - - -class CephContext(OSContextGenerator): - """Generates context for /etc/ceph/ceph.conf templates.""" - interfaces = ['ceph'] - - def __call__(self): - if not relation_ids('ceph'): - return {} - - log('Generating template context for ceph', level=DEBUG) - mon_hosts = [] - ctxt = { - 'use_syslog': str(config('use-syslog')).lower() - } - for rid in relation_ids('ceph'): - for unit in related_units(rid): - if not ctxt.get('auth'): - ctxt['auth'] = relation_get('auth', rid=rid, unit=unit) - if not ctxt.get('key'): - ctxt['key'] = relation_get('key', rid=rid, unit=unit) - ceph_pub_addr = relation_get('ceph-public-address', rid=rid, - unit=unit) - unit_priv_addr = relation_get('private-address', rid=rid, - unit=unit) - ceph_addr = ceph_pub_addr or unit_priv_addr - ceph_addr = format_ipv6_addr(ceph_addr) or ceph_addr - mon_hosts.append(ceph_addr) - - ctxt['mon_hosts'] = ' '.join(sorted(mon_hosts)) - - if not os.path.isdir('/etc/ceph'): - os.mkdir('/etc/ceph') - - if not self.context_complete(ctxt): - return {} - - ensure_packages(['ceph-common']) - return ctxt - - -class HAProxyContext(OSContextGenerator): - """Provides half a context for the haproxy template, which describes - all peers to be included in the cluster. Each charm needs to include - its own context generator that describes the port mapping. - """ - interfaces = ['cluster'] - - def __init__(self, singlenode_mode=False): - self.singlenode_mode = singlenode_mode - - def __call__(self): - if not relation_ids('cluster') and not self.singlenode_mode: - return {} - - if config('prefer-ipv6'): - addr = get_ipv6_addr(exc_list=[config('vip')])[0] - else: - addr = get_host_ip(unit_get('private-address')) - - l_unit = local_unit().replace('/', '-') - cluster_hosts = {} - - # NOTE(jamespage): build out map of configured network endpoints - # and associated backends - for addr_type in ADDRESS_TYPES: - cfg_opt = 'os-{}-network'.format(addr_type) - laddr = get_address_in_network(config(cfg_opt)) - if laddr: - netmask = get_netmask_for_address(laddr) - cluster_hosts[laddr] = {'network': "{}/{}".format(laddr, - netmask), - 'backends': {l_unit: laddr}} - for rid in relation_ids('cluster'): - for unit in related_units(rid): - _laddr = relation_get('{}-address'.format(addr_type), - rid=rid, unit=unit) - if _laddr: - _unit = unit.replace('/', '-') - cluster_hosts[laddr]['backends'][_unit] = _laddr - - # NOTE(jamespage) add backend based on private address - this - # with either be the only backend or the fallback if no acls - # match in the frontend - cluster_hosts[addr] = {} - netmask = get_netmask_for_address(addr) - cluster_hosts[addr] = {'network': "{}/{}".format(addr, netmask), - 'backends': {l_unit: addr}} - for rid in relation_ids('cluster'): - for unit in related_units(rid): - _laddr = relation_get('private-address', - rid=rid, unit=unit) - if _laddr: - _unit = unit.replace('/', '-') - cluster_hosts[addr]['backends'][_unit] = _laddr - - ctxt = { - 'frontends': cluster_hosts, - 'default_backend': addr - } - - if config('haproxy-server-timeout'): - ctxt['haproxy_server_timeout'] = config('haproxy-server-timeout') - - if config('haproxy-client-timeout'): - ctxt['haproxy_client_timeout'] = config('haproxy-client-timeout') - - if config('haproxy-queue-timeout'): - ctxt['haproxy_queue_timeout'] = config('haproxy-queue-timeout') - - if config('haproxy-connect-timeout'): - ctxt['haproxy_connect_timeout'] = config('haproxy-connect-timeout') - - if config('prefer-ipv6'): - ctxt['ipv6'] = True - ctxt['local_host'] = 'ip6-localhost' - ctxt['haproxy_host'] = '::' - else: - ctxt['local_host'] = '127.0.0.1' - ctxt['haproxy_host'] = '0.0.0.0' - - ctxt['stat_port'] = '8888' - - db = kv() - ctxt['stat_password'] = db.get('stat-password') - if not ctxt['stat_password']: - ctxt['stat_password'] = db.set('stat-password', - pwgen(32)) - db.flush() - - for frontend in cluster_hosts: - if (len(cluster_hosts[frontend]['backends']) > 1 or - self.singlenode_mode): - # Enable haproxy when we have enough peers. - log('Ensuring haproxy enabled in /etc/default/haproxy.', - level=DEBUG) - with open('/etc/default/haproxy', 'w') as out: - out.write('ENABLED=1\n') - - return ctxt - - log('HAProxy context is incomplete, this unit has no peers.', - level=INFO) - return {} - - -class ImageServiceContext(OSContextGenerator): - interfaces = ['image-service'] - - def __call__(self): - """Obtains the glance API server from the image-service relation. - Useful in nova and cinder (currently). - """ - log('Generating template context for image-service.', level=DEBUG) - rids = relation_ids('image-service') - if not rids: - return {} - - for rid in rids: - for unit in related_units(rid): - api_server = relation_get('glance-api-server', - rid=rid, unit=unit) - if api_server: - return {'glance_api_servers': api_server} - - log("ImageService context is incomplete. Missing required relation " - "data.", level=INFO) - return {} - - -class ApacheSSLContext(OSContextGenerator): - """Generates a context for an apache vhost configuration that configures - HTTPS reverse proxying for one or many endpoints. Generated context - looks something like:: - - { - 'namespace': 'cinder', - 'private_address': 'iscsi.mycinderhost.com', - 'endpoints': [(8776, 8766), (8777, 8767)] - } - - The endpoints list consists of a tuples mapping external ports - to internal ports. - """ - interfaces = ['https'] - - # charms should inherit this context and set external ports - # and service namespace accordingly. - external_ports = [] - service_namespace = None - - def enable_modules(self): - cmd = ['a2enmod', 'ssl', 'proxy', 'proxy_http'] - check_call(cmd) - - def configure_cert(self, cn=None): - ssl_dir = os.path.join('/etc/apache2/ssl/', self.service_namespace) - mkdir(path=ssl_dir) - cert, key = get_cert(cn) - if cn: - cert_filename = 'cert_{}'.format(cn) - key_filename = 'key_{}'.format(cn) - else: - cert_filename = 'cert' - key_filename = 'key' - - write_file(path=os.path.join(ssl_dir, cert_filename), - content=b64decode(cert)) - write_file(path=os.path.join(ssl_dir, key_filename), - content=b64decode(key)) - - def configure_ca(self): - ca_cert = get_ca_cert() - if ca_cert: - install_ca_cert(b64decode(ca_cert)) - - def canonical_names(self): - """Figure out which canonical names clients will access this service. - """ - cns = [] - for r_id in relation_ids('identity-service'): - for unit in related_units(r_id): - rdata = relation_get(rid=r_id, unit=unit) - for k in rdata: - if k.startswith('ssl_key_'): - cns.append(k.lstrip('ssl_key_')) - - return sorted(list(set(cns))) - - def get_network_addresses(self): - """For each network configured, return corresponding address and vip - (if available). - - Returns a list of tuples of the form: - - [(address_in_net_a, vip_in_net_a), - (address_in_net_b, vip_in_net_b), - ...] - - or, if no vip(s) available: - - [(address_in_net_a, address_in_net_a), - (address_in_net_b, address_in_net_b), - ...] - """ - addresses = [] - if config('vip'): - vips = config('vip').split() - else: - vips = [] - - for net_type in ['os-internal-network', 'os-admin-network', - 'os-public-network']: - addr = get_address_in_network(config(net_type), - unit_get('private-address')) - if len(vips) > 1 and is_clustered(): - if not config(net_type): - log("Multiple networks configured but net_type " - "is None (%s)." % net_type, level=WARNING) - continue - - for vip in vips: - if is_address_in_network(config(net_type), vip): - addresses.append((addr, vip)) - break - - elif is_clustered() and config('vip'): - addresses.append((addr, config('vip'))) - else: - addresses.append((addr, addr)) - - return sorted(addresses) - - def __call__(self): - if isinstance(self.external_ports, six.string_types): - self.external_ports = [self.external_ports] - - if not self.external_ports or not https(): - return {} - - self.configure_ca() - self.enable_modules() - - ctxt = {'namespace': self.service_namespace, - 'endpoints': [], - 'ext_ports': []} - - cns = self.canonical_names() - if cns: - for cn in cns: - self.configure_cert(cn) - else: - # Expect cert/key provided in config (currently assumed that ca - # uses ip for cn) - cn = resolve_address(endpoint_type=INTERNAL) - self.configure_cert(cn) - - addresses = self.get_network_addresses() - for address, endpoint in sorted(set(addresses)): - for api_port in self.external_ports: - ext_port = determine_apache_port(api_port, - singlenode_mode=True) - int_port = determine_api_port(api_port, singlenode_mode=True) - portmap = (address, endpoint, int(ext_port), int(int_port)) - ctxt['endpoints'].append(portmap) - ctxt['ext_ports'].append(int(ext_port)) - - ctxt['ext_ports'] = sorted(list(set(ctxt['ext_ports']))) - return ctxt - - -class NeutronContext(OSContextGenerator): - interfaces = [] - - @property - def plugin(self): - return None - - @property - def network_manager(self): - return None - - @property - def packages(self): - return neutron_plugin_attribute(self.plugin, 'packages', - self.network_manager) - - @property - def neutron_security_groups(self): - return None - - def _ensure_packages(self): - for pkgs in self.packages: - ensure_packages(pkgs) - - def _save_flag_file(self): - if self.network_manager == 'quantum': - _file = '/etc/nova/quantum_plugin.conf' - else: - _file = '/etc/nova/neutron_plugin.conf' - - with open(_file, 'wb') as out: - out.write(self.plugin + '\n') - - def ovs_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - ovs_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'ovs', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': config} - - return ovs_ctxt - - def nuage_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - nuage_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'vsp', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': config} - - return nuage_ctxt - - def nvp_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - nvp_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'nvp', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': config} - - return nvp_ctxt - - def n1kv_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - n1kv_config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - n1kv_user_config_flags = config('n1kv-config-flags') - restrict_policy_profiles = config('n1kv-restrict-policy-profiles') - n1kv_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'n1kv', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': n1kv_config, - 'vsm_ip': config('n1kv-vsm-ip'), - 'vsm_username': config('n1kv-vsm-username'), - 'vsm_password': config('n1kv-vsm-password'), - 'restrict_policy_profiles': restrict_policy_profiles} - - if n1kv_user_config_flags: - flags = config_flags_parser(n1kv_user_config_flags) - n1kv_ctxt['user_config_flags'] = flags - - return n1kv_ctxt - - def calico_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - calico_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'Calico', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': config} - - return calico_ctxt - - def neutron_ctxt(self): - if https(): - proto = 'https' - else: - proto = 'http' - - if is_clustered(): - host = config('vip') - else: - host = unit_get('private-address') - - ctxt = {'network_manager': self.network_manager, - 'neutron_url': '%s://%s:%s' % (proto, host, '9696')} - return ctxt - - def pg_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - ovs_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'plumgrid', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': config} - return ovs_ctxt - - def midonet_ctxt(self): - driver = neutron_plugin_attribute(self.plugin, 'driver', - self.network_manager) - midonet_config = neutron_plugin_attribute(self.plugin, 'config', - self.network_manager) - mido_ctxt = {'core_plugin': driver, - 'neutron_plugin': 'midonet', - 'neutron_security_groups': self.neutron_security_groups, - 'local_ip': unit_private_ip(), - 'config': midonet_config} - - return mido_ctxt - - def __call__(self): - if self.network_manager not in ['quantum', 'neutron']: - return {} - - if not self.plugin: - return {} - - ctxt = self.neutron_ctxt() - - if self.plugin == 'ovs': - ctxt.update(self.ovs_ctxt()) - elif self.plugin in ['nvp', 'nsx']: - ctxt.update(self.nvp_ctxt()) - elif self.plugin == 'n1kv': - ctxt.update(self.n1kv_ctxt()) - elif self.plugin == 'Calico': - ctxt.update(self.calico_ctxt()) - elif self.plugin == 'vsp': - ctxt.update(self.nuage_ctxt()) - elif self.plugin == 'plumgrid': - ctxt.update(self.pg_ctxt()) - elif self.plugin == 'midonet': - ctxt.update(self.midonet_ctxt()) - - alchemy_flags = config('neutron-alchemy-flags') - if alchemy_flags: - flags = config_flags_parser(alchemy_flags) - ctxt['neutron_alchemy_flags'] = flags - - self._save_flag_file() - return ctxt - - -class NeutronPortContext(OSContextGenerator): - - def resolve_ports(self, ports): - """Resolve NICs not yet bound to bridge(s) - - If hwaddress provided then returns resolved hwaddress otherwise NIC. - """ - if not ports: - return None - - hwaddr_to_nic = {} - hwaddr_to_ip = {} - for nic in list_nics(): - # Ignore virtual interfaces (bond masters will be identified from - # their slaves) - if not is_phy_iface(nic): - continue - - _nic = get_bond_master(nic) - if _nic: - log("Replacing iface '%s' with bond master '%s'" % (nic, _nic), - level=DEBUG) - nic = _nic - - hwaddr = get_nic_hwaddr(nic) - hwaddr_to_nic[hwaddr] = nic - addresses = get_ipv4_addr(nic, fatal=False) - addresses += get_ipv6_addr(iface=nic, fatal=False) - hwaddr_to_ip[hwaddr] = addresses - - resolved = [] - mac_regex = re.compile(r'([0-9A-F]{2}[:-]){5}([0-9A-F]{2})', re.I) - for entry in ports: - if re.match(mac_regex, entry): - # NIC is in known NICs and does NOT hace an IP address - if entry in hwaddr_to_nic and not hwaddr_to_ip[entry]: - # If the nic is part of a bridge then don't use it - if is_bridge_member(hwaddr_to_nic[entry]): - continue - - # Entry is a MAC address for a valid interface that doesn't - # have an IP address assigned yet. - resolved.append(hwaddr_to_nic[entry]) - else: - # If the passed entry is not a MAC address, assume it's a valid - # interface, and that the user put it there on purpose (we can - # trust it to be the real external network). - resolved.append(entry) - - # Ensure no duplicates - return list(set(resolved)) - - -class OSConfigFlagContext(OSContextGenerator): - """Provides support for user-defined config flags. - - Users can define a comma-seperated list of key=value pairs - in the charm configuration and apply them at any point in - any file by using a template flag. - - Sometimes users might want config flags inserted within a - specific section so this class allows users to specify the - template flag name, allowing for multiple template flags - (sections) within the same context. - - NOTE: the value of config-flags may be a comma-separated list of - key=value pairs and some Openstack config files support - comma-separated lists as values. - """ - - def __init__(self, charm_flag='config-flags', - template_flag='user_config_flags'): - """ - :param charm_flag: config flags in charm configuration. - :param template_flag: insert point for user-defined flags in template - file. - """ - super(OSConfigFlagContext, self).__init__() - self._charm_flag = charm_flag - self._template_flag = template_flag - - def __call__(self): - config_flags = config(self._charm_flag) - if not config_flags: - return {} - - return {self._template_flag: - config_flags_parser(config_flags)} - - -class LibvirtConfigFlagsContext(OSContextGenerator): - """ - This context provides support for extending - the libvirt section through user-defined flags. - """ - def __call__(self): - ctxt = {} - libvirt_flags = config('libvirt-flags') - if libvirt_flags: - ctxt['libvirt_flags'] = config_flags_parser( - libvirt_flags) - return ctxt - - -class SubordinateConfigContext(OSContextGenerator): - - """ - Responsible for inspecting relations to subordinates that - may be exporting required config via a json blob. - - The subordinate interface allows subordinates to export their - configuration requirements to the principle for multiple config - files and multiple serivces. Ie, a subordinate that has interfaces - to both glance and nova may export to following yaml blob as json:: - - glance: - /etc/glance/glance-api.conf: - sections: - DEFAULT: - - [key1, value1] - /etc/glance/glance-registry.conf: - MYSECTION: - - [key2, value2] - nova: - /etc/nova/nova.conf: - sections: - DEFAULT: - - [key3, value3] - - - It is then up to the principle charms to subscribe this context to - the service+config file it is interestd in. Configuration data will - be available in the template context, in glance's case, as:: - - ctxt = { - ... other context ... - 'subordinate_configuration': { - 'DEFAULT': { - 'key1': 'value1', - }, - 'MYSECTION': { - 'key2': 'value2', - }, - } - } - """ - - def __init__(self, service, config_file, interface): - """ - :param service : Service name key to query in any subordinate - data found - :param config_file : Service's config file to query sections - :param interface : Subordinate interface to inspect - """ - self.config_file = config_file - if isinstance(service, list): - self.services = service - else: - self.services = [service] - if isinstance(interface, list): - self.interfaces = interface - else: - self.interfaces = [interface] - - def __call__(self): - ctxt = {'sections': {}} - rids = [] - for interface in self.interfaces: - rids.extend(relation_ids(interface)) - for rid in rids: - for unit in related_units(rid): - sub_config = relation_get('subordinate_configuration', - rid=rid, unit=unit) - if sub_config and sub_config != '': - try: - sub_config = json.loads(sub_config) - except: - log('Could not parse JSON from ' - 'subordinate_configuration setting from %s' - % rid, level=ERROR) - continue - - for service in self.services: - if service not in sub_config: - log('Found subordinate_configuration on %s but it ' - 'contained nothing for %s service' - % (rid, service), level=INFO) - continue - - sub_config = sub_config[service] - if self.config_file not in sub_config: - log('Found subordinate_configuration on %s but it ' - 'contained nothing for %s' - % (rid, self.config_file), level=INFO) - continue - - sub_config = sub_config[self.config_file] - for k, v in six.iteritems(sub_config): - if k == 'sections': - for section, config_list in six.iteritems(v): - log("adding section '%s'" % (section), - level=DEBUG) - if ctxt[k].get(section): - ctxt[k][section].extend(config_list) - else: - ctxt[k][section] = config_list - else: - ctxt[k] = v - log("%d section(s) found" % (len(ctxt['sections'])), level=DEBUG) - return ctxt - - -class LogLevelContext(OSContextGenerator): - - def __call__(self): - ctxt = {} - ctxt['debug'] = \ - False if config('debug') is None else config('debug') - ctxt['verbose'] = \ - False if config('verbose') is None else config('verbose') - - return ctxt - - -class SyslogContext(OSContextGenerator): - - def __call__(self): - ctxt = {'use_syslog': config('use-syslog')} - return ctxt - - -class BindHostContext(OSContextGenerator): - - def __call__(self): - if config('prefer-ipv6'): - return {'bind_host': '::'} - else: - return {'bind_host': '0.0.0.0'} - - -class WorkerConfigContext(OSContextGenerator): - - @property - def num_cpus(self): - # NOTE: use cpu_count if present (16.04 support) - if hasattr(psutil, 'cpu_count'): - return psutil.cpu_count() - else: - return psutil.NUM_CPUS - - def __call__(self): - multiplier = config('worker-multiplier') or 0 - count = int(self.num_cpus * multiplier) - if multiplier > 0 and count == 0: - count = 1 - ctxt = {"workers": count} - return ctxt - - -class ZeroMQContext(OSContextGenerator): - interfaces = ['zeromq-configuration'] - - def __call__(self): - ctxt = {} - if is_relation_made('zeromq-configuration', 'host'): - for rid in relation_ids('zeromq-configuration'): - for unit in related_units(rid): - ctxt['zmq_nonce'] = relation_get('nonce', unit, rid) - ctxt['zmq_host'] = relation_get('host', unit, rid) - ctxt['zmq_redis_address'] = relation_get( - 'zmq_redis_address', unit, rid) - - return ctxt - - -class NotificationDriverContext(OSContextGenerator): - - def __init__(self, zmq_relation='zeromq-configuration', - amqp_relation='amqp'): - """ - :param zmq_relation: Name of Zeromq relation to check - """ - self.zmq_relation = zmq_relation - self.amqp_relation = amqp_relation - - def __call__(self): - ctxt = {'notifications': 'False'} - if is_relation_made(self.amqp_relation): - ctxt['notifications'] = "True" - - return ctxt - - -class SysctlContext(OSContextGenerator): - """This context check if the 'sysctl' option exists on configuration - then creates a file with the loaded contents""" - def __call__(self): - sysctl_dict = config('sysctl') - if sysctl_dict: - sysctl_create(sysctl_dict, - '/etc/sysctl.d/50-{0}.conf'.format(charm_name())) - return {'sysctl': sysctl_dict} - - -class NeutronAPIContext(OSContextGenerator): - ''' - Inspects current neutron-plugin-api relation for neutron settings. Return - defaults if it is not present. - ''' - interfaces = ['neutron-plugin-api'] - - def __call__(self): - self.neutron_defaults = { - 'l2_population': { - 'rel_key': 'l2-population', - 'default': False, - }, - 'overlay_network_type': { - 'rel_key': 'overlay-network-type', - 'default': 'gre', - }, - 'neutron_security_groups': { - 'rel_key': 'neutron-security-groups', - 'default': False, - }, - 'network_device_mtu': { - 'rel_key': 'network-device-mtu', - 'default': None, - }, - 'enable_dvr': { - 'rel_key': 'enable-dvr', - 'default': False, - }, - 'enable_l3ha': { - 'rel_key': 'enable-l3ha', - 'default': False, - }, - } - ctxt = self.get_neutron_options({}) - for rid in relation_ids('neutron-plugin-api'): - for unit in related_units(rid): - rdata = relation_get(rid=rid, unit=unit) - if 'l2-population' in rdata: - ctxt.update(self.get_neutron_options(rdata)) - - return ctxt - - def get_neutron_options(self, rdata): - settings = {} - for nkey in self.neutron_defaults.keys(): - defv = self.neutron_defaults[nkey]['default'] - rkey = self.neutron_defaults[nkey]['rel_key'] - if rkey in rdata.keys(): - if type(defv) is bool: - settings[nkey] = bool_from_string(rdata[rkey]) - else: - settings[nkey] = rdata[rkey] - else: - settings[nkey] = defv - return settings - - -class ExternalPortContext(NeutronPortContext): - - def __call__(self): - ctxt = {} - ports = config('ext-port') - if ports: - ports = [p.strip() for p in ports.split()] - ports = self.resolve_ports(ports) - if ports: - ctxt = {"ext_port": ports[0]} - napi_settings = NeutronAPIContext()() - mtu = napi_settings.get('network_device_mtu') - if mtu: - ctxt['ext_port_mtu'] = mtu - - return ctxt - - -class DataPortContext(NeutronPortContext): - - def __call__(self): - ports = config('data-port') - if ports: - # Map of {port/mac:bridge} - portmap = parse_data_port_mappings(ports) - ports = portmap.keys() - # Resolve provided ports or mac addresses and filter out those - # already attached to a bridge. - resolved = self.resolve_ports(ports) - # FIXME: is this necessary? - normalized = {get_nic_hwaddr(port): port for port in resolved - if port not in ports} - normalized.update({port: port for port in resolved - if port in ports}) - if resolved: - return {normalized[port]: bridge for port, bridge in - six.iteritems(portmap) if port in normalized.keys()} - - return None - - -class PhyNICMTUContext(DataPortContext): - - def __call__(self): - ctxt = {} - mappings = super(PhyNICMTUContext, self).__call__() - if mappings and mappings.keys(): - ports = sorted(mappings.keys()) - napi_settings = NeutronAPIContext()() - mtu = napi_settings.get('network_device_mtu') - all_ports = set() - # If any of ports is a vlan device, its underlying device must have - # mtu applied first. - for port in ports: - for lport in glob.glob("/sys/class/net/%s/lower_*" % port): - lport = os.path.basename(lport) - all_ports.add(lport.split('_')[1]) - - all_ports = list(all_ports) - all_ports.extend(ports) - if mtu: - ctxt["devs"] = '\\n'.join(all_ports) - ctxt['mtu'] = mtu - - return ctxt - - -class NetworkServiceContext(OSContextGenerator): - - def __init__(self, rel_name='quantum-network-service'): - self.rel_name = rel_name - self.interfaces = [rel_name] - - def __call__(self): - for rid in relation_ids(self.rel_name): - for unit in related_units(rid): - rdata = relation_get(rid=rid, unit=unit) - ctxt = { - 'keystone_host': rdata.get('keystone_host'), - 'service_port': rdata.get('service_port'), - 'auth_port': rdata.get('auth_port'), - 'service_tenant': rdata.get('service_tenant'), - 'service_username': rdata.get('service_username'), - 'service_password': rdata.get('service_password'), - 'quantum_host': rdata.get('quantum_host'), - 'quantum_port': rdata.get('quantum_port'), - 'quantum_url': rdata.get('quantum_url'), - 'region': rdata.get('region'), - 'service_protocol': - rdata.get('service_protocol') or 'http', - 'auth_protocol': - rdata.get('auth_protocol') or 'http', - 'api_version': - rdata.get('api_version') or '2.0', - } - if self.context_complete(ctxt): - return ctxt - return {} - - -class InternalEndpointContext(OSContextGenerator): - """Internal endpoint context. - - This context provides the endpoint type used for communication between - services e.g. between Nova and Cinder internally. Openstack uses Public - endpoints by default so this allows admins to optionally use internal - endpoints. - """ - def __call__(self): - return {'use_internal_endpoints': config('use-internal-endpoints')} - - -class AppArmorContext(OSContextGenerator): - """Base class for apparmor contexts.""" - - def __init__(self): - self._ctxt = None - self.aa_profile = None - self.aa_utils_packages = ['apparmor-utils'] - - @property - def ctxt(self): - if self._ctxt is not None: - return self._ctxt - self._ctxt = self._determine_ctxt() - return self._ctxt - - def _determine_ctxt(self): - """ - Validate aa-profile-mode settings is disable, enforce, or complain. - - :return ctxt: Dictionary of the apparmor profile or None - """ - if config('aa-profile-mode') in ['disable', 'enforce', 'complain']: - ctxt = {'aa_profile_mode': config('aa-profile-mode'), - 'ubuntu_release': lsb_release()['DISTRIB_RELEASE']} - else: - ctxt = None - return ctxt - - def __call__(self): - return self.ctxt - - def install_aa_utils(self): - """ - Install packages required for apparmor configuration. - """ - log("Installing apparmor utils.") - ensure_packages(self.aa_utils_packages) - - def manually_disable_aa_profile(self): - """ - Manually disable an apparmor profile. - - If aa-profile-mode is set to disabled (default) this is required as the - template has been written but apparmor is yet unaware of the profile - and aa-disable aa-profile fails. Without this the profile would kick - into enforce mode on the next service restart. - - """ - profile_path = '/etc/apparmor.d' - disable_path = '/etc/apparmor.d/disable' - if not os.path.lexists(os.path.join(disable_path, self.aa_profile)): - os.symlink(os.path.join(profile_path, self.aa_profile), - os.path.join(disable_path, self.aa_profile)) - - def setup_aa_profile(self): - """ - Setup an apparmor profile. - The ctxt dictionary will contain the apparmor profile mode and - the apparmor profile name. - Makes calls out to aa-disable, aa-complain, or aa-enforce to setup - the apparmor profile. - """ - self() - if not self.ctxt: - log("Not enabling apparmor Profile") - return - self.install_aa_utils() - cmd = ['aa-{}'.format(self.ctxt['aa_profile_mode'])] - cmd.append(self.ctxt['aa_profile']) - log("Setting up the apparmor profile for {} in {} mode." - "".format(self.ctxt['aa_profile'], self.ctxt['aa_profile_mode'])) - try: - check_call(cmd) - except CalledProcessError as e: - # If aa-profile-mode is set to disabled (default) manual - # disabling is required as the template has been written but - # apparmor is yet unaware of the profile and aa-disable aa-profile - # fails. If aa-disable learns to read profile files first this can - # be removed. - if self.ctxt['aa_profile_mode'] == 'disable': - log("Manually disabling the apparmor profile for {}." - "".format(self.ctxt['aa_profile'])) - self.manually_disable_aa_profile() - return - status_set('blocked', "Apparmor profile {} failed to be set to {}." - "".format(self.ctxt['aa_profile'], - self.ctxt['aa_profile_mode'])) - raise e diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/exceptions.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/exceptions.py deleted file mode 100644 index f85ae4f..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/exceptions.py +++ /dev/null @@ -1,21 +0,0 @@ -# Copyright 2016 Canonical Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - - -class OSContextError(Exception): - """Raised when an error occurs during context generation. - - This exception is principally used in contrib.openstack.context - """ - pass diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/files/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/files/__init__.py deleted file mode 100644 index 9df5f74..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/files/__init__.py +++ /dev/null @@ -1,16 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# dummy __init__.py to fool syncer into thinking this is a syncable python -# module diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ha/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ha/__init__.py deleted file mode 100644 index 9b088de..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ha/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2016 Canonical Ltd -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ha/utils.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ha/utils.py deleted file mode 100644 index 1f5310b..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ha/utils.py +++ /dev/null @@ -1,128 +0,0 @@ -# Copyright 2014-2016 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# -# Copyright 2016 Canonical Ltd. -# -# Authors: -# Openstack Charmers < -# - -""" -Helpers for high availability. -""" - -import re - -from charmhelpers.core.hookenv import ( - log, - relation_set, - charm_name, - config, - status_set, - DEBUG, -) - -from charmhelpers.core.host import ( - lsb_release -) - -from charmhelpers.contrib.openstack.ip import ( - resolve_address, -) - - -class DNSHAException(Exception): - """Raised when an error occurs setting up DNS HA - """ - - pass - - -def update_dns_ha_resource_params(resources, resource_params, - relation_id=None, - crm_ocf='ocf:maas:dns'): - """ Check for os-*-hostname settings and update resource dictionaries for - the HA relation. - - @param resources: Pointer to dictionary of resources. - Usually instantiated in ha_joined(). - @param resource_params: Pointer to dictionary of resource parameters. - Usually instantiated in ha_joined() - @param relation_id: Relation ID of the ha relation - @param crm_ocf: Corosync Open Cluster Framework resource agent to use for - DNS HA - """ - - # Validate the charm environment for DNS HA - assert_charm_supports_dns_ha() - - settings = ['os-admin-hostname', 'os-internal-hostname', - 'os-public-hostname', 'os-access-hostname'] - - # Check which DNS settings are set and update dictionaries - hostname_group = [] - for setting in settings: - hostname = config(setting) - if hostname is None: - log('DNS HA: Hostname setting {} is None. Ignoring.' - ''.format(setting), - DEBUG) - continue - m = re.search('os-(.+?)-hostname', setting) - if m: - networkspace = m.group(1) - else: - msg = ('Unexpected DNS hostname setting: {}. ' - 'Cannot determine network space name' - ''.format(setting)) - status_set('blocked', msg) - raise DNSHAException(msg) - - hostname_key = 'res_{}_{}_hostname'.format(charm_name(), networkspace) - if hostname_key in hostname_group: - log('DNS HA: Resource {}: {} already exists in ' - 'hostname group - skipping'.format(hostname_key, hostname), - DEBUG) - continue - - hostname_group.append(hostname_key) - resources[hostname_key] = crm_ocf - resource_params[hostname_key] = ( - 'params fqdn="{}" ip_address="{}" ' - ''.format(hostname, resolve_address(endpoint_type=networkspace, - override=False))) - - if len(hostname_group) >= 1: - log('DNS HA: Hostname group is set with {} as members. ' - 'Informing the ha relation'.format(' '.join(hostname_group)), - DEBUG) - relation_set(relation_id=relation_id, groups={ - 'grp_{}_hostnames'.format(charm_name()): ' '.join(hostname_group)}) - else: - msg = 'DNS HA: Hostname group has no members.' - status_set('blocked', msg) - raise DNSHAException(msg) - - -def assert_charm_supports_dns_ha(): - """Validate prerequisites for DNS HA - The MAAS client is only available on Xenial or greater - """ - if lsb_release().get('DISTRIB_RELEASE') < '16.04': - msg = ('DNS HA is only supported on 16.04 and greater ' - 'versions of Ubuntu.') - status_set('blocked', msg) - raise DNSHAException(msg) - return True diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ip.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ip.py deleted file mode 100644 index 0fd3ac2..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/ip.py +++ /dev/null @@ -1,179 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from charmhelpers.core.hookenv import ( - config, - unit_get, - service_name, - network_get_primary_address, -) -from charmhelpers.contrib.network.ip import ( - get_address_in_network, - is_address_in_network, - is_ipv6, - get_ipv6_addr, - resolve_network_cidr, -) -from charmhelpers.contrib.hahelpers.cluster import is_clustered - -PUBLIC = 'public' -INTERNAL = 'int' -ADMIN = 'admin' - -ADDRESS_MAP = { - PUBLIC: { - 'binding': 'public', - 'config': 'os-public-network', - 'fallback': 'public-address', - 'override': 'os-public-hostname', - }, - INTERNAL: { - 'binding': 'internal', - 'config': 'os-internal-network', - 'fallback': 'private-address', - 'override': 'os-internal-hostname', - }, - ADMIN: { - 'binding': 'admin', - 'config': 'os-admin-network', - 'fallback': 'private-address', - 'override': 'os-admin-hostname', - } -} - - -def canonical_url(configs, endpoint_type=PUBLIC): - """Returns the correct HTTP URL to this host given the state of HTTPS - configuration, hacluster and charm configuration. - - :param configs: OSTemplateRenderer config templating object to inspect - for a complete https context. - :param endpoint_type: str endpoint type to resolve. - :param returns: str base URL for services on the current service unit. - """ - scheme = _get_scheme(configs) - - address = resolve_address(endpoint_type) - if is_ipv6(address): - address = "[{}]".format(address) - - return '%s://%s' % (scheme, address) - - -def _get_scheme(configs): - """Returns the scheme to use for the url (either http or https) - depending upon whether https is in the configs value. - - :param configs: OSTemplateRenderer config templating object to inspect - for a complete https context. - :returns: either 'http' or 'https' depending on whether https is - configured within the configs context. - """ - scheme = 'http' - if configs and 'https' in configs.complete_contexts(): - scheme = 'https' - return scheme - - -def _get_address_override(endpoint_type=PUBLIC): - """Returns any address overrides that the user has defined based on the - endpoint type. - - Note: this function allows for the service name to be inserted into the - address if the user specifies {service_name}.somehost.org. - - :param endpoint_type: the type of endpoint to retrieve the override - value for. - :returns: any endpoint address or hostname that the user has overridden - or None if an override is not present. - """ - override_key = ADDRESS_MAP[endpoint_type]['override'] - addr_override = config(override_key) - if not addr_override: - return None - else: - return addr_override.format(service_name=service_name()) - - -def resolve_address(endpoint_type=PUBLIC, override=True): - """Return unit address depending on net config. - - If unit is clustered with vip(s) and has net splits defined, return vip on - correct network. If clustered with no nets defined, return primary vip. - - If not clustered, return unit address ensuring address is on configured net - split if one is configured, or a Juju 2.0 extra-binding has been used. - - :param endpoint_type: Network endpoing type - :param override: Accept hostname overrides or not - """ - resolved_address = None - if override: - resolved_address = _get_address_override(endpoint_type) - if resolved_address: - return resolved_address - - vips = config('vip') - if vips: - vips = vips.split() - - net_type = ADDRESS_MAP[endpoint_type]['config'] - net_addr = config(net_type) - net_fallback = ADDRESS_MAP[endpoint_type]['fallback'] - binding = ADDRESS_MAP[endpoint_type]['binding'] - clustered = is_clustered() - - if clustered and vips: - if net_addr: - for vip in vips: - if is_address_in_network(net_addr, vip): - resolved_address = vip - break - else: - # NOTE: endeavour to check vips against network space - # bindings - try: - bound_cidr = resolve_network_cidr( - network_get_primary_address(binding) - ) - for vip in vips: - if is_address_in_network(bound_cidr, vip): - resolved_address = vip - break - except NotImplementedError: - # If no net-splits configured and no support for extra - # bindings/network spaces so we expect a single vip - resolved_address = vips[0] - else: - if config('prefer-ipv6'): - fallback_addr = get_ipv6_addr(exc_list=vips)[0] - else: - fallback_addr = unit_get(net_fallback) - - if net_addr: - resolved_address = get_address_in_network(net_addr, fallback_addr) - else: - # NOTE: only try to use extra bindings if legacy network - # configuration is not in use - try: - resolved_address = network_get_primary_address(binding) - except NotImplementedError: - resolved_address = fallback_addr - - if resolved_address is None: - raise ValueError("Unable to resolve a suitable IP address based on " - "charm state and configuration. (net_type=%s, " - "clustered=%s)" % (net_type, clustered)) - - return resolved_address diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/neutron.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/neutron.py deleted file mode 100644 index 03427b4..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/neutron.py +++ /dev/null @@ -1,382 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# Various utilies for dealing with Neutron and the renaming from Quantum. - -import six -from subprocess import check_output - -from charmhelpers.core.hookenv import ( - config, - log, - ERROR, -) - -from charmhelpers.contrib.openstack.utils import os_release - - -def headers_package(): - """Ensures correct linux-headers for running kernel are installed, - for building DKMS package""" - kver = check_output(['uname', '-r']).decode('UTF-8').strip() - return 'linux-headers-%s' % kver - -QUANTUM_CONF_DIR = '/etc/quantum' - - -def kernel_version(): - """ Retrieve the current major kernel version as a tuple e.g. (3, 13) """ - kver = check_output(['uname', '-r']).decode('UTF-8').strip() - kver = kver.split('.') - return (int(kver[0]), int(kver[1])) - - -def determine_dkms_package(): - """ Determine which DKMS package should be used based on kernel version """ - # NOTE: 3.13 kernels have support for GRE and VXLAN native - if kernel_version() >= (3, 13): - return [] - else: - return [headers_package(), 'openvswitch-datapath-dkms'] - - -# legacy - - -def quantum_plugins(): - from charmhelpers.contrib.openstack import context - return { - 'ovs': { - 'config': '/etc/quantum/plugins/openvswitch/' - 'ovs_quantum_plugin.ini', - 'driver': 'quantum.plugins.openvswitch.ovs_quantum_plugin.' - 'OVSQuantumPluginV2', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=QUANTUM_CONF_DIR)], - 'services': ['quantum-plugin-openvswitch-agent'], - 'packages': [determine_dkms_package(), - ['quantum-plugin-openvswitch-agent']], - 'server_packages': ['quantum-server', - 'quantum-plugin-openvswitch'], - 'server_services': ['quantum-server'] - }, - 'nvp': { - 'config': '/etc/quantum/plugins/nicira/nvp.ini', - 'driver': 'quantum.plugins.nicira.nicira_nvp_plugin.' - 'QuantumPlugin.NvpPluginV2', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=QUANTUM_CONF_DIR)], - 'services': [], - 'packages': [], - 'server_packages': ['quantum-server', - 'quantum-plugin-nicira'], - 'server_services': ['quantum-server'] - } - } - -NEUTRON_CONF_DIR = '/etc/neutron' - - -def neutron_plugins(): - from charmhelpers.contrib.openstack import context - release = os_release('nova-common') - plugins = { - 'ovs': { - 'config': '/etc/neutron/plugins/openvswitch/' - 'ovs_neutron_plugin.ini', - 'driver': 'neutron.plugins.openvswitch.ovs_neutron_plugin.' - 'OVSNeutronPluginV2', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': ['neutron-plugin-openvswitch-agent'], - 'packages': [determine_dkms_package(), - ['neutron-plugin-openvswitch-agent']], - 'server_packages': ['neutron-server', - 'neutron-plugin-openvswitch'], - 'server_services': ['neutron-server'] - }, - 'nvp': { - 'config': '/etc/neutron/plugins/nicira/nvp.ini', - 'driver': 'neutron.plugins.nicira.nicira_nvp_plugin.' - 'NeutronPlugin.NvpPluginV2', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': [], - 'packages': [], - 'server_packages': ['neutron-server', - 'neutron-plugin-nicira'], - 'server_services': ['neutron-server'] - }, - 'nsx': { - 'config': '/etc/neutron/plugins/vmware/nsx.ini', - 'driver': 'vmware', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': [], - 'packages': [], - 'server_packages': ['neutron-server', - 'neutron-plugin-vmware'], - 'server_services': ['neutron-server'] - }, - 'n1kv': { - 'config': '/etc/neutron/plugins/cisco/cisco_plugins.ini', - 'driver': 'neutron.plugins.cisco.network_plugin.PluginV2', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': [], - 'packages': [determine_dkms_package(), - ['neutron-plugin-cisco']], - 'server_packages': ['neutron-server', - 'neutron-plugin-cisco'], - 'server_services': ['neutron-server'] - }, - 'Calico': { - 'config': '/etc/neutron/plugins/ml2/ml2_conf.ini', - 'driver': 'neutron.plugins.ml2.plugin.Ml2Plugin', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': ['calico-felix', - 'bird', - 'neutron-dhcp-agent', - 'nova-api-metadata', - 'etcd'], - 'packages': [determine_dkms_package(), - ['calico-compute', - 'bird', - 'neutron-dhcp-agent', - 'nova-api-metadata', - 'etcd']], - 'server_packages': ['neutron-server', 'calico-control', 'etcd'], - 'server_services': ['neutron-server', 'etcd'] - }, - 'vsp': { - 'config': '/etc/neutron/plugins/nuage/nuage_plugin.ini', - 'driver': 'neutron.plugins.nuage.plugin.NuagePlugin', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': [], - 'packages': [], - 'server_packages': ['neutron-server', 'neutron-plugin-nuage'], - 'server_services': ['neutron-server'] - }, - 'plumgrid': { - 'config': '/etc/neutron/plugins/plumgrid/plumgrid.ini', - 'driver': 'neutron.plugins.plumgrid.plumgrid_plugin.plumgrid_plugin.NeutronPluginPLUMgridV2', - 'contexts': [ - context.SharedDBContext(user=config('database-user'), - database=config('database'), - ssl_dir=NEUTRON_CONF_DIR)], - 'services': [], - 'packages': ['plumgrid-lxc', - 'iovisor-dkms'], - 'server_packages': ['neutron-server', - 'neutron-plugin-plumgrid'], - 'server_services': ['neutron-server'] - }, - 'midonet': { - 'config': '/etc/neutron/plugins/midonet/midonet.ini', - 'driver': 'midonet.neutron.plugin.MidonetPluginV2', - 'contexts': [ - context.SharedDBContext(user=config('neutron-database-user'), - database=config('neutron-database'), - relation_prefix='neutron', - ssl_dir=NEUTRON_CONF_DIR)], - 'services': [], - 'packages': [determine_dkms_package()], - 'server_packages': ['neutron-server', - 'python-neutron-plugin-midonet'], - 'server_services': ['neutron-server'] - } - } - if release >= 'icehouse': - # NOTE: patch in ml2 plugin for icehouse onwards - plugins['ovs']['config'] = '/etc/neutron/plugins/ml2/ml2_conf.ini' - plugins['ovs']['driver'] = 'neutron.plugins.ml2.plugin.Ml2Plugin' - plugins['ovs']['server_packages'] = ['neutron-server', - 'neutron-plugin-ml2'] - # NOTE: patch in vmware renames nvp->nsx for icehouse onwards - plugins['nvp'] = plugins['nsx'] - if release >= 'kilo': - plugins['midonet']['driver'] = ( - 'neutron.plugins.midonet.plugin.MidonetPluginV2') - if release >= 'liberty': - plugins['midonet']['driver'] = ( - 'midonet.neutron.plugin_v1.MidonetPluginV2') - plugins['midonet']['server_packages'].remove( - 'python-neutron-plugin-midonet') - plugins['midonet']['server_packages'].append( - 'python-networking-midonet') - plugins['plumgrid']['driver'] = ( - 'networking_plumgrid.neutron.plugins.plugin.NeutronPluginPLUMgridV2') - plugins['plumgrid']['server_packages'].remove( - 'neutron-plugin-plumgrid') - return plugins - - -def neutron_plugin_attribute(plugin, attr, net_manager=None): - manager = net_manager or network_manager() - if manager == 'quantum': - plugins = quantum_plugins() - elif manager == 'neutron': - plugins = neutron_plugins() - else: - log("Network manager '%s' does not support plugins." % (manager), - level=ERROR) - raise Exception - - try: - _plugin = plugins[plugin] - except KeyError: - log('Unrecognised plugin for %s: %s' % (manager, plugin), level=ERROR) - raise Exception - - try: - return _plugin[attr] - except KeyError: - return None - - -def network_manager(): - ''' - Deals with the renaming of Quantum to Neutron in H and any situations - that require compatability (eg, deploying H with network-manager=quantum, - upgrading from G). - ''' - release = os_release('nova-common') - manager = config('network-manager').lower() - - if manager not in ['quantum', 'neutron']: - return manager - - if release in ['essex']: - # E does not support neutron - log('Neutron networking not supported in Essex.', level=ERROR) - raise Exception - elif release in ['folsom', 'grizzly']: - # neutron is named quantum in F and G - return 'quantum' - else: - # ensure accurate naming for all releases post-H - return 'neutron' - - -def parse_mappings(mappings, key_rvalue=False): - """By default mappings are lvalue keyed. - - If key_rvalue is True, the mapping will be reversed to allow multiple - configs for the same lvalue. - """ - parsed = {} - if mappings: - mappings = mappings.split() - for m in mappings: - p = m.partition(':') - - if key_rvalue: - key_index = 2 - val_index = 0 - # if there is no rvalue skip to next - if not p[1]: - continue - else: - key_index = 0 - val_index = 2 - - key = p[key_index].strip() - parsed[key] = p[val_index].strip() - - return parsed - - -def parse_bridge_mappings(mappings): - """Parse bridge mappings. - - Mappings must be a space-delimited list of provider:bridge mappings. - - Returns dict of the form {provider:bridge}. - """ - return parse_mappings(mappings) - - -def parse_data_port_mappings(mappings, default_bridge='br-data'): - """Parse data port mappings. - - Mappings must be a space-delimited list of bridge:port. - - Returns dict of the form {port:bridge} where ports may be mac addresses or - interface names. - """ - - # NOTE(dosaboy): we use rvalue for key to allow multiple values to be - # proposed for <port> since it may be a mac address which will differ - # across units this allowing first-known-good to be chosen. - _mappings = parse_mappings(mappings, key_rvalue=True) - if not _mappings or list(_mappings.values()) == ['']: - if not mappings: - return {} - - # For backwards-compatibility we need to support port-only provided in - # config. - _mappings = {mappings.split()[0]: default_bridge} - - ports = _mappings.keys() - if len(set(ports)) != len(ports): - raise Exception("It is not allowed to have the same port configured " - "on more than one bridge") - - return _mappings - - -def parse_vlan_range_mappings(mappings): - """Parse vlan range mappings. - - Mappings must be a space-delimited list of provider:start:end mappings. - - The start:end range is optional and may be omitted. - - Returns dict of the form {provider: (start, end)}. - """ - _mappings = parse_mappings(mappings) - if not _mappings: - return {} - - mappings = {} - for p, r in six.iteritems(_mappings): - mappings[p] = tuple(r.split(':')) - - return mappings diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/templates/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/templates/__init__.py deleted file mode 100644 index 9df5f74..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/templates/__init__.py +++ /dev/null @@ -1,16 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# dummy __init__.py to fool syncer into thinking this is a syncable python -# module diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/templating.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/templating.py deleted file mode 100644 index 8958895..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/templating.py +++ /dev/null @@ -1,321 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os - -import six - -from charmhelpers.fetch import apt_install, apt_update -from charmhelpers.core.hookenv import ( - log, - ERROR, - INFO -) -from charmhelpers.contrib.openstack.utils import OPENSTACK_CODENAMES - -try: - from jinja2 import FileSystemLoader, ChoiceLoader, Environment, exceptions -except ImportError: - apt_update(fatal=True) - apt_install('python-jinja2', fatal=True) - from jinja2 import FileSystemLoader, ChoiceLoader, Environment, exceptions - - -class OSConfigException(Exception): - pass - - -def get_loader(templates_dir, os_release): - """ - Create a jinja2.ChoiceLoader containing template dirs up to - and including os_release. If directory template directory - is missing at templates_dir, it will be omitted from the loader. - templates_dir is added to the bottom of the search list as a base - loading dir. - - A charm may also ship a templates dir with this module - and it will be appended to the bottom of the search list, eg:: - - hooks/charmhelpers/contrib/openstack/templates - - :param templates_dir (str): Base template directory containing release - sub-directories. - :param os_release (str): OpenStack release codename to construct template - loader. - :returns: jinja2.ChoiceLoader constructed with a list of - jinja2.FilesystemLoaders, ordered in descending - order by OpenStack release. - """ - tmpl_dirs = [(rel, os.path.join(templates_dir, rel)) - for rel in six.itervalues(OPENSTACK_CODENAMES)] - - if not os.path.isdir(templates_dir): - log('Templates directory not found @ %s.' % templates_dir, - level=ERROR) - raise OSConfigException - - # the bottom contains tempaltes_dir and possibly a common templates dir - # shipped with the helper. - loaders = [FileSystemLoader(templates_dir)] - helper_templates = os.path.join(os.path.dirname(__file__), 'templates') - if os.path.isdir(helper_templates): - loaders.append(FileSystemLoader(helper_templates)) - - for rel, tmpl_dir in tmpl_dirs: - if os.path.isdir(tmpl_dir): - loaders.insert(0, FileSystemLoader(tmpl_dir)) - if rel == os_release: - break - log('Creating choice loader with dirs: %s' % - [l.searchpath for l in loaders], level=INFO) - return ChoiceLoader(loaders) - - -class OSConfigTemplate(object): - """ - Associates a config file template with a list of context generators. - Responsible for constructing a template context based on those generators. - """ - def __init__(self, config_file, contexts): - self.config_file = config_file - - if hasattr(contexts, '__call__'): - self.contexts = [contexts] - else: - self.contexts = contexts - - self._complete_contexts = [] - - def context(self): - ctxt = {} - for context in self.contexts: - _ctxt = context() - if _ctxt: - ctxt.update(_ctxt) - # track interfaces for every complete context. - [self._complete_contexts.append(interface) - for interface in context.interfaces - if interface not in self._complete_contexts] - return ctxt - - def complete_contexts(self): - ''' - Return a list of interfaces that have satisfied contexts. - ''' - if self._complete_contexts: - return self._complete_contexts - self.context() - return self._complete_contexts - - -class OSConfigRenderer(object): - """ - This class provides a common templating system to be used by OpenStack - charms. It is intended to help charms share common code and templates, - and ease the burden of managing config templates across multiple OpenStack - releases. - - Basic usage:: - - # import some common context generates from charmhelpers - from charmhelpers.contrib.openstack import context - - # Create a renderer object for a specific OS release. - configs = OSConfigRenderer(templates_dir='/tmp/templates', - openstack_release='folsom') - # register some config files with context generators. - configs.register(config_file='/etc/nova/nova.conf', - contexts=[context.SharedDBContext(), - context.AMQPContext()]) - configs.register(config_file='/etc/nova/api-paste.ini', - contexts=[context.IdentityServiceContext()]) - configs.register(config_file='/etc/haproxy/haproxy.conf', - contexts=[context.HAProxyContext()]) - # write out a single config - configs.write('/etc/nova/nova.conf') - # write out all registered configs - configs.write_all() - - **OpenStack Releases and template loading** - - When the object is instantiated, it is associated with a specific OS - release. This dictates how the template loader will be constructed. - - The constructed loader attempts to load the template from several places - in the following order: - - from the most recent OS release-specific template dir (if one exists) - - the base templates_dir - - a template directory shipped in the charm with this helper file. - - For the example above, '/tmp/templates' contains the following structure:: - - /tmp/templates/nova.conf - /tmp/templates/api-paste.ini - /tmp/templates/grizzly/api-paste.ini - /tmp/templates/havana/api-paste.ini - - Since it was registered with the grizzly release, it first seraches - the grizzly directory for nova.conf, then the templates dir. - - When writing api-paste.ini, it will find the template in the grizzly - directory. - - If the object were created with folsom, it would fall back to the - base templates dir for its api-paste.ini template. - - This system should help manage changes in config files through - openstack releases, allowing charms to fall back to the most recently - updated config template for a given release - - The haproxy.conf, since it is not shipped in the templates dir, will - be loaded from the module directory's template directory, eg - $CHARM/hooks/charmhelpers/contrib/openstack/templates. This allows - us to ship common templates (haproxy, apache) with the helpers. - - **Context generators** - - Context generators are used to generate template contexts during hook - execution. Doing so may require inspecting service relations, charm - config, etc. When registered, a config file is associated with a list - of generators. When a template is rendered and written, all context - generates are called in a chain to generate the context dictionary - passed to the jinja2 template. See context.py for more info. - """ - def __init__(self, templates_dir, openstack_release): - if not os.path.isdir(templates_dir): - log('Could not locate templates dir %s' % templates_dir, - level=ERROR) - raise OSConfigException - - self.templates_dir = templates_dir - self.openstack_release = openstack_release - self.templates = {} - self._tmpl_env = None - - if None in [Environment, ChoiceLoader, FileSystemLoader]: - # if this code is running, the object is created pre-install hook. - # jinja2 shouldn't get touched until the module is reloaded on next - # hook execution, with proper jinja2 bits successfully imported. - apt_install('python-jinja2') - - def register(self, config_file, contexts): - """ - Register a config file with a list of context generators to be called - during rendering. - """ - self.templates[config_file] = OSConfigTemplate(config_file=config_file, - contexts=contexts) - log('Registered config file: %s' % config_file, level=INFO) - - def _get_tmpl_env(self): - if not self._tmpl_env: - loader = get_loader(self.templates_dir, self.openstack_release) - self._tmpl_env = Environment(loader=loader) - - def _get_template(self, template): - self._get_tmpl_env() - template = self._tmpl_env.get_template(template) - log('Loaded template from %s' % template.filename, level=INFO) - return template - - def render(self, config_file): - if config_file not in self.templates: - log('Config not registered: %s' % config_file, level=ERROR) - raise OSConfigException - ctxt = self.templates[config_file].context() - - _tmpl = os.path.basename(config_file) - try: - template = self._get_template(_tmpl) - except exceptions.TemplateNotFound: - # if no template is found with basename, try looking for it - # using a munged full path, eg: - # /etc/apache2/apache2.conf -> etc_apache2_apache2.conf - _tmpl = '_'.join(config_file.split('/')[1:]) - try: - template = self._get_template(_tmpl) - except exceptions.TemplateNotFound as e: - log('Could not load template from %s by %s or %s.' % - (self.templates_dir, os.path.basename(config_file), _tmpl), - level=ERROR) - raise e - - log('Rendering from template: %s' % _tmpl, level=INFO) - return template.render(ctxt) - - def write(self, config_file): - """ - Write a single config file, raises if config file is not registered. - """ - if config_file not in self.templates: - log('Config not registered: %s' % config_file, level=ERROR) - raise OSConfigException - - _out = self.render(config_file) - - with open(config_file, 'wb') as out: - out.write(_out) - - log('Wrote template %s.' % config_file, level=INFO) - - def write_all(self): - """ - Write out all registered config files. - """ - [self.write(k) for k in six.iterkeys(self.templates)] - - def set_release(self, openstack_release): - """ - Resets the template environment and generates a new template loader - based on a the new openstack release. - """ - self._tmpl_env = None - self.openstack_release = openstack_release - self._get_tmpl_env() - - def complete_contexts(self): - ''' - Returns a list of context interfaces that yield a complete context. - ''' - interfaces = [] - [interfaces.extend(i.complete_contexts()) - for i in six.itervalues(self.templates)] - return interfaces - - def get_incomplete_context_data(self, interfaces): - ''' - Return dictionary of relation status of interfaces and any missing - required context data. Example: - {'amqp': {'missing_data': ['rabbitmq_password'], 'related': True}, - 'zeromq-configuration': {'related': False}} - ''' - incomplete_context_data = {} - - for i in six.itervalues(self.templates): - for context in i.contexts: - for interface in interfaces: - related = False - if interface in context.interfaces: - related = context.get_related() - missing_data = context.missing_data - if missing_data: - incomplete_context_data[interface] = {'missing_data': missing_data} - if related: - if incomplete_context_data.get(interface): - incomplete_context_data[interface].update({'related': True}) - else: - incomplete_context_data[interface] = {'related': True} - else: - incomplete_context_data[interface] = {'related': False} - return incomplete_context_data diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/utils.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/utils.py deleted file mode 100644 index 9d3e3d8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/openstack/utils.py +++ /dev/null @@ -1,1891 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# Common python helper functions used for OpenStack charms. -from collections import OrderedDict -from functools import wraps - -import subprocess -import json -import os -import sys -import re -import itertools -import functools -import shutil - -import six -import tempfile -import traceback -import uuid -import yaml - -from charmhelpers.contrib.network import ip - -from charmhelpers.core import ( - unitdata, -) - -from charmhelpers.core.hookenv import ( - action_fail, - action_set, - config, - log as juju_log, - charm_dir, - DEBUG, - INFO, - ERROR, - related_units, - relation_ids, - relation_set, - service_name, - status_set, - hook_name -) - -from charmhelpers.contrib.storage.linux.lvm import ( - deactivate_lvm_volume_group, - is_lvm_physical_volume, - remove_lvm_physical_volume, -) - -from charmhelpers.contrib.network.ip import ( - get_ipv6_addr, - is_ipv6, - port_has_listener, -) - -from charmhelpers.contrib.python.packages import ( - pip_create_virtualenv, - pip_install, -) - -from charmhelpers.core.host import ( - lsb_release, - mounts, - umount, - service_running, - service_pause, - service_resume, - restart_on_change_helper, -) -from charmhelpers.fetch import apt_install, apt_cache, install_remote -from charmhelpers.contrib.storage.linux.utils import is_block_device, zap_disk -from charmhelpers.contrib.storage.linux.loopback import ensure_loopback_device -from charmhelpers.contrib.openstack.exceptions import OSContextError - -CLOUD_ARCHIVE_URL = "http://ubuntu-cloud.archive.canonical.com/ubuntu" -CLOUD_ARCHIVE_KEY_ID = '5EDB1B62EC4926EA' - -DISTRO_PROPOSED = ('deb http://archive.ubuntu.com/ubuntu/ %s-proposed ' - 'restricted main multiverse universe') - -UBUNTU_OPENSTACK_RELEASE = OrderedDict([ - ('oneiric', 'diablo'), - ('precise', 'essex'), - ('quantal', 'folsom'), - ('raring', 'grizzly'), - ('saucy', 'havana'), - ('trusty', 'icehouse'), - ('utopic', 'juno'), - ('vivid', 'kilo'), - ('wily', 'liberty'), - ('xenial', 'mitaka'), - ('yakkety', 'newton'), - ('zebra', 'ocata'), # TODO: upload with real Z name -]) - - -OPENSTACK_CODENAMES = OrderedDict([ - ('2011.2', 'diablo'), - ('2012.1', 'essex'), - ('2012.2', 'folsom'), - ('2013.1', 'grizzly'), - ('2013.2', 'havana'), - ('2014.1', 'icehouse'), - ('2014.2', 'juno'), - ('2015.1', 'kilo'), - ('2015.2', 'liberty'), - ('2016.1', 'mitaka'), - ('2016.2', 'newton'), - ('2017.1', 'ocata'), -]) - -# The ugly duckling - must list releases oldest to newest -SWIFT_CODENAMES = OrderedDict([ - ('diablo', - ['1.4.3']), - ('essex', - ['1.4.8']), - ('folsom', - ['1.7.4']), - ('grizzly', - ['1.7.6', '1.7.7', '1.8.0']), - ('havana', - ['1.9.0', '1.9.1', '1.10.0']), - ('icehouse', - ['1.11.0', '1.12.0', '1.13.0', '1.13.1']), - ('juno', - ['2.0.0', '2.1.0', '2.2.0']), - ('kilo', - ['2.2.1', '2.2.2']), - ('liberty', - ['2.3.0', '2.4.0', '2.5.0']), - ('mitaka', - ['2.5.0', '2.6.0', '2.7.0']), - ('newton', - ['2.8.0', '2.9.0']), -]) - -# >= Liberty version->codename mapping -PACKAGE_CODENAMES = { - 'nova-common': OrderedDict([ - ('12', 'liberty'), - ('13', 'mitaka'), - ('14', 'newton'), - ('15', 'ocata'), - ]), - 'neutron-common': OrderedDict([ - ('7', 'liberty'), - ('8', 'mitaka'), - ('9', 'newton'), - ('10', 'ocata'), - ]), - 'cinder-common': OrderedDict([ - ('7', 'liberty'), - ('8', 'mitaka'), - ('9', 'newton'), - ('10', 'ocata'), - ]), - 'keystone': OrderedDict([ - ('8', 'liberty'), - ('9', 'mitaka'), - ('10', 'newton'), - ('11', 'ocata'), - ]), - 'horizon-common': OrderedDict([ - ('8', 'liberty'), - ('9', 'mitaka'), - ('10', 'newton'), - ('11', 'ocata'), - ]), - 'ceilometer-common': OrderedDict([ - ('5', 'liberty'), - ('6', 'mitaka'), - ('7', 'newton'), - ('8', 'ocata'), - ]), - 'heat-common': OrderedDict([ - ('5', 'liberty'), - ('6', 'mitaka'), - ('7', 'newton'), - ('8', 'ocata'), - ]), - 'glance-common': OrderedDict([ - ('11', 'liberty'), - ('12', 'mitaka'), - ('13', 'newton'), - ('14', 'ocata'), - ]), - 'openstack-dashboard': OrderedDict([ - ('8', 'liberty'), - ('9', 'mitaka'), - ('10', 'newton'), - ('11', 'ocata'), - ]), -} - -GIT_DEFAULT_REPOS = { - 'requirements': 'git://github.com/openstack/requirements', - 'cinder': 'git://github.com/openstack/cinder', - 'glance': 'git://github.com/openstack/glance', - 'horizon': 'git://github.com/openstack/horizon', - 'keystone': 'git://github.com/openstack/keystone', - 'networking-hyperv': 'git://github.com/openstack/networking-hyperv', - 'neutron': 'git://github.com/openstack/neutron', - 'neutron-fwaas': 'git://github.com/openstack/neutron-fwaas', - 'neutron-lbaas': 'git://github.com/openstack/neutron-lbaas', - 'neutron-vpnaas': 'git://github.com/openstack/neutron-vpnaas', - 'nova': 'git://github.com/openstack/nova', -} - -GIT_DEFAULT_BRANCHES = { - 'liberty': 'stable/liberty', - 'mitaka': 'stable/mitaka', - 'master': 'master', -} - -DEFAULT_LOOPBACK_SIZE = '5G' - - -def error_out(msg): - juju_log("FATAL ERROR: %s" % msg, level='ERROR') - sys.exit(1) - - -def get_os_codename_install_source(src): - '''Derive OpenStack release codename from a given installation source.''' - ubuntu_rel = lsb_release()['DISTRIB_CODENAME'] - rel = '' - if src is None: - return rel - if src in ['distro', 'distro-proposed']: - try: - rel = UBUNTU_OPENSTACK_RELEASE[ubuntu_rel] - except KeyError: - e = 'Could not derive openstack release for '\ - 'this Ubuntu release: %s' % ubuntu_rel - error_out(e) - return rel - - if src.startswith('cloud:'): - ca_rel = src.split(':')[1] - ca_rel = ca_rel.split('%s-' % ubuntu_rel)[1].split('/')[0] - return ca_rel - - # Best guess match based on deb string provided - if src.startswith('deb') or src.startswith('ppa'): - for k, v in six.iteritems(OPENSTACK_CODENAMES): - if v in src: - return v - - -def get_os_version_install_source(src): - codename = get_os_codename_install_source(src) - return get_os_version_codename(codename) - - -def get_os_codename_version(vers): - '''Determine OpenStack codename from version number.''' - try: - return OPENSTACK_CODENAMES[vers] - except KeyError: - e = 'Could not determine OpenStack codename for version %s' % vers - error_out(e) - - -def get_os_version_codename(codename, version_map=OPENSTACK_CODENAMES): - '''Determine OpenStack version number from codename.''' - for k, v in six.iteritems(version_map): - if v == codename: - return k - e = 'Could not derive OpenStack version for '\ - 'codename: %s' % codename - error_out(e) - - -def get_os_version_codename_swift(codename): - '''Determine OpenStack version number of swift from codename.''' - for k, v in six.iteritems(SWIFT_CODENAMES): - if k == codename: - return v[-1] - e = 'Could not derive swift version for '\ - 'codename: %s' % codename - error_out(e) - - -def get_swift_codename(version): - '''Determine OpenStack codename that corresponds to swift version.''' - codenames = [k for k, v in six.iteritems(SWIFT_CODENAMES) if version in v] - - if len(codenames) > 1: - # If more than one release codename contains this version we determine - # the actual codename based on the highest available install source. - for codename in reversed(codenames): - releases = UBUNTU_OPENSTACK_RELEASE - release = [k for k, v in six.iteritems(releases) if codename in v] - ret = subprocess.check_output(['apt-cache', 'policy', 'swift']) - if codename in ret or release[0] in ret: - return codename - elif len(codenames) == 1: - return codenames[0] - - # NOTE: fallback - attempt to match with just major.minor version - match = re.match('^(\d+)\.(\d+)', version) - if match: - major_minor_version = match.group(0) - for codename, versions in six.iteritems(SWIFT_CODENAMES): - for release_version in versions: - if release_version.startswith(major_minor_version): - return codename - - return None - - -def get_os_codename_package(package, fatal=True): - '''Derive OpenStack release codename from an installed package.''' - import apt_pkg as apt - - cache = apt_cache() - - try: - pkg = cache[package] - except: - if not fatal: - return None - # the package is unknown to the current apt cache. - e = 'Could not determine version of package with no installation '\ - 'candidate: %s' % package - error_out(e) - - if not pkg.current_ver: - if not fatal: - return None - # package is known, but no version is currently installed. - e = 'Could not determine version of uninstalled package: %s' % package - error_out(e) - - vers = apt.upstream_version(pkg.current_ver.ver_str) - if 'swift' in pkg.name: - # Fully x.y.z match for swift versions - match = re.match('^(\d+)\.(\d+)\.(\d+)', vers) - else: - # x.y match only for 20XX.X - # and ignore patch level for other packages - match = re.match('^(\d+)\.(\d+)', vers) - - if match: - vers = match.group(0) - - # Generate a major version number for newer semantic - # versions of openstack projects - major_vers = vers.split('.')[0] - # >= Liberty independent project versions - if (package in PACKAGE_CODENAMES and - major_vers in PACKAGE_CODENAMES[package]): - return PACKAGE_CODENAMES[package][major_vers] - else: - # < Liberty co-ordinated project versions - try: - if 'swift' in pkg.name: - return get_swift_codename(vers) - else: - return OPENSTACK_CODENAMES[vers] - except KeyError: - if not fatal: - return None - e = 'Could not determine OpenStack codename for version %s' % vers - error_out(e) - - -def get_os_version_package(pkg, fatal=True): - '''Derive OpenStack version number from an installed package.''' - codename = get_os_codename_package(pkg, fatal=fatal) - - if not codename: - return None - - if 'swift' in pkg: - vers_map = SWIFT_CODENAMES - for cname, version in six.iteritems(vers_map): - if cname == codename: - return version[-1] - else: - vers_map = OPENSTACK_CODENAMES - for version, cname in six.iteritems(vers_map): - if cname == codename: - return version - # e = "Could not determine OpenStack version for package: %s" % pkg - # error_out(e) - - -os_rel = None - - -def os_release(package, base='essex'): - ''' - Returns OpenStack release codename from a cached global. - If the codename can not be determined from either an installed package or - the installation source, the earliest release supported by the charm should - be returned. - ''' - global os_rel - if os_rel: - return os_rel - os_rel = (git_os_codename_install_source(config('openstack-origin-git')) or - get_os_codename_package(package, fatal=False) or - get_os_codename_install_source(config('openstack-origin')) or - base) - return os_rel - - -def import_key(keyid): - key = keyid.strip() - if (key.startswith('-----BEGIN PGP PUBLIC KEY BLOCK-----') and - key.endswith('-----END PGP PUBLIC KEY BLOCK-----')): - juju_log("PGP key found (looks like ASCII Armor format)", level=DEBUG) - juju_log("Importing ASCII Armor PGP key", level=DEBUG) - with tempfile.NamedTemporaryFile() as keyfile: - with open(keyfile.name, 'w') as fd: - fd.write(key) - fd.write("\n") - - cmd = ['apt-key', 'add', keyfile.name] - try: - subprocess.check_call(cmd) - except subprocess.CalledProcessError: - error_out("Error importing PGP key '%s'" % key) - else: - juju_log("PGP key found (looks like Radix64 format)", level=DEBUG) - juju_log("Importing PGP key from keyserver", level=DEBUG) - cmd = ['apt-key', 'adv', '--keyserver', - 'hkp://keyserver.ubuntu.com:80', '--recv-keys', key] - try: - subprocess.check_call(cmd) - except subprocess.CalledProcessError: - error_out("Error importing PGP key '%s'" % key) - - -def get_source_and_pgp_key(input): - """Look for a pgp key ID or ascii-armor key in the given input.""" - index = input.strip() - index = input.rfind('|') - if index < 0: - return input, None - - key = input[index + 1:].strip('|') - source = input[:index] - return source, key - - -def configure_installation_source(rel): - '''Configure apt installation source.''' - if rel == 'distro': - return - elif rel == 'distro-proposed': - ubuntu_rel = lsb_release()['DISTRIB_CODENAME'] - with open('/etc/apt/sources.list.d/juju_deb.list', 'w') as f: - f.write(DISTRO_PROPOSED % ubuntu_rel) - elif rel[:4] == "ppa:": - src, key = get_source_and_pgp_key(rel) - if key: - import_key(key) - - subprocess.check_call(["add-apt-repository", "-y", src]) - elif rel[:3] == "deb": - src, key = get_source_and_pgp_key(rel) - if key: - import_key(key) - - with open('/etc/apt/sources.list.d/juju_deb.list', 'w') as f: - f.write(src) - elif rel[:6] == 'cloud:': - ubuntu_rel = lsb_release()['DISTRIB_CODENAME'] - rel = rel.split(':')[1] - u_rel = rel.split('-')[0] - ca_rel = rel.split('-')[1] - - if u_rel != ubuntu_rel: - e = 'Cannot install from Cloud Archive pocket %s on this Ubuntu '\ - 'version (%s)' % (ca_rel, ubuntu_rel) - error_out(e) - - if 'staging' in ca_rel: - # staging is just a regular PPA. - os_rel = ca_rel.split('/')[0] - ppa = 'ppa:ubuntu-cloud-archive/%s-staging' % os_rel - cmd = 'add-apt-repository -y %s' % ppa - subprocess.check_call(cmd.split(' ')) - return - - # map charm config options to actual archive pockets. - pockets = { - 'folsom': 'precise-updates/folsom', - 'folsom/updates': 'precise-updates/folsom', - 'folsom/proposed': 'precise-proposed/folsom', - 'grizzly': 'precise-updates/grizzly', - 'grizzly/updates': 'precise-updates/grizzly', - 'grizzly/proposed': 'precise-proposed/grizzly', - 'havana': 'precise-updates/havana', - 'havana/updates': 'precise-updates/havana', - 'havana/proposed': 'precise-proposed/havana', - 'icehouse': 'precise-updates/icehouse', - 'icehouse/updates': 'precise-updates/icehouse', - 'icehouse/proposed': 'precise-proposed/icehouse', - 'juno': 'trusty-updates/juno', - 'juno/updates': 'trusty-updates/juno', - 'juno/proposed': 'trusty-proposed/juno', - 'kilo': 'trusty-updates/kilo', - 'kilo/updates': 'trusty-updates/kilo', - 'kilo/proposed': 'trusty-proposed/kilo', - 'liberty': 'trusty-updates/liberty', - 'liberty/updates': 'trusty-updates/liberty', - 'liberty/proposed': 'trusty-proposed/liberty', - 'mitaka': 'trusty-updates/mitaka', - 'mitaka/updates': 'trusty-updates/mitaka', - 'mitaka/proposed': 'trusty-proposed/mitaka', - 'newton': 'xenial-updates/newton', - 'newton/updates': 'xenial-updates/newton', - 'newton/proposed': 'xenial-proposed/newton', - } - - try: - pocket = pockets[ca_rel] - except KeyError: - e = 'Invalid Cloud Archive release specified: %s' % rel - error_out(e) - - src = "deb %s %s main" % (CLOUD_ARCHIVE_URL, pocket) - apt_install('ubuntu-cloud-keyring', fatal=True) - - with open('/etc/apt/sources.list.d/cloud-archive.list', 'w') as f: - f.write(src) - else: - error_out("Invalid openstack-release specified: %s" % rel) - - -def config_value_changed(option): - """ - Determine if config value changed since last call to this function. - """ - hook_data = unitdata.HookData() - with hook_data(): - db = unitdata.kv() - current = config(option) - saved = db.get(option) - db.set(option, current) - if saved is None: - return False - return current != saved - - -def save_script_rc(script_path="scripts/scriptrc", **env_vars): - """ - Write an rc file in the charm-delivered directory containing - exported environment variables provided by env_vars. Any charm scripts run - outside the juju hook environment can source this scriptrc to obtain - updated config information necessary to perform health checks or - service changes. - """ - juju_rc_path = "%s/%s" % (charm_dir(), script_path) - if not os.path.exists(os.path.dirname(juju_rc_path)): - os.mkdir(os.path.dirname(juju_rc_path)) - with open(juju_rc_path, 'wb') as rc_script: - rc_script.write( - "#!/bin/bash\n") - [rc_script.write('export %s=%s\n' % (u, p)) - for u, p in six.iteritems(env_vars) if u != "script_path"] - - -def openstack_upgrade_available(package): - """ - Determines if an OpenStack upgrade is available from installation - source, based on version of installed package. - - :param package: str: Name of installed package. - - :returns: bool: : Returns True if configured installation source offers - a newer version of package. - - """ - - import apt_pkg as apt - src = config('openstack-origin') - cur_vers = get_os_version_package(package) - if "swift" in package: - codename = get_os_codename_install_source(src) - avail_vers = get_os_version_codename_swift(codename) - else: - avail_vers = get_os_version_install_source(src) - apt.init() - if "swift" in package: - major_cur_vers = cur_vers.split('.', 1)[0] - major_avail_vers = avail_vers.split('.', 1)[0] - major_diff = apt.version_compare(major_avail_vers, major_cur_vers) - return avail_vers > cur_vers and (major_diff == 1 or major_diff == 0) - return apt.version_compare(avail_vers, cur_vers) == 1 - - -def ensure_block_device(block_device): - ''' - Confirm block_device, create as loopback if necessary. - - :param block_device: str: Full path of block device to ensure. - - :returns: str: Full path of ensured block device. - ''' - _none = ['None', 'none', None] - if (block_device in _none): - error_out('prepare_storage(): Missing required input: block_device=%s.' - % block_device) - - if block_device.startswith('/dev/'): - bdev = block_device - elif block_device.startswith('/'): - _bd = block_device.split('|') - if len(_bd) == 2: - bdev, size = _bd - else: - bdev = block_device - size = DEFAULT_LOOPBACK_SIZE - bdev = ensure_loopback_device(bdev, size) - else: - bdev = '/dev/%s' % block_device - - if not is_block_device(bdev): - error_out('Failed to locate valid block device at %s' % bdev) - - return bdev - - -def clean_storage(block_device): - ''' - Ensures a block device is clean. That is: - - unmounted - - any lvm volume groups are deactivated - - any lvm physical device signatures removed - - partition table wiped - - :param block_device: str: Full path to block device to clean. - ''' - for mp, d in mounts(): - if d == block_device: - juju_log('clean_storage(): %s is mounted @ %s, unmounting.' % - (d, mp), level=INFO) - umount(mp, persist=True) - - if is_lvm_physical_volume(block_device): - deactivate_lvm_volume_group(block_device) - remove_lvm_physical_volume(block_device) - else: - zap_disk(block_device) - -is_ip = ip.is_ip -ns_query = ip.ns_query -get_host_ip = ip.get_host_ip -get_hostname = ip.get_hostname - - -def get_matchmaker_map(mm_file='/etc/oslo/matchmaker_ring.json'): - mm_map = {} - if os.path.isfile(mm_file): - with open(mm_file, 'r') as f: - mm_map = json.load(f) - return mm_map - - -def sync_db_with_multi_ipv6_addresses(database, database_user, - relation_prefix=None): - hosts = get_ipv6_addr(dynamic_only=False) - - if config('vip'): - vips = config('vip').split() - for vip in vips: - if vip and is_ipv6(vip): - hosts.append(vip) - - kwargs = {'database': database, - 'username': database_user, - 'hostname': json.dumps(hosts)} - - if relation_prefix: - for key in list(kwargs.keys()): - kwargs["%s_%s" % (relation_prefix, key)] = kwargs[key] - del kwargs[key] - - for rid in relation_ids('shared-db'): - relation_set(relation_id=rid, **kwargs) - - -def os_requires_version(ostack_release, pkg): - """ - Decorator for hook to specify minimum supported release - """ - def wrap(f): - @wraps(f) - def wrapped_f(*args): - if os_release(pkg) < ostack_release: - raise Exception("This hook is not supported on releases" - " before %s" % ostack_release) - f(*args) - return wrapped_f - return wrap - - -def git_install_requested(): - """ - Returns true if openstack-origin-git is specified. - """ - return config('openstack-origin-git') is not None - - -def git_os_codename_install_source(projects_yaml): - """ - Returns OpenStack codename of release being installed from source. - """ - if git_install_requested(): - projects = _git_yaml_load(projects_yaml) - - if projects in GIT_DEFAULT_BRANCHES.keys(): - if projects == 'master': - return 'newton' - return projects - - if 'release' in projects: - if projects['release'] == 'master': - return 'newton' - return projects['release'] - - return None - - -def git_default_repos(projects_yaml): - """ - Returns default repos if a default openstack-origin-git value is specified. - """ - service = service_name() - core_project = service - - for default, branch in GIT_DEFAULT_BRANCHES.iteritems(): - if projects_yaml == default: - - # add the requirements repo first - repo = { - 'name': 'requirements', - 'repository': GIT_DEFAULT_REPOS['requirements'], - 'branch': branch, - } - repos = [repo] - - # neutron-* and nova-* charms require some additional repos - if service in ['neutron-api', 'neutron-gateway', - 'neutron-openvswitch']: - core_project = 'neutron' - if service == 'neutron-api': - repo = { - 'name': 'networking-hyperv', - 'repository': GIT_DEFAULT_REPOS['networking-hyperv'], - 'branch': branch, - } - repos.append(repo) - for project in ['neutron-fwaas', 'neutron-lbaas', - 'neutron-vpnaas', 'nova']: - repo = { - 'name': project, - 'repository': GIT_DEFAULT_REPOS[project], - 'branch': branch, - } - repos.append(repo) - - elif service in ['nova-cloud-controller', 'nova-compute']: - core_project = 'nova' - repo = { - 'name': 'neutron', - 'repository': GIT_DEFAULT_REPOS['neutron'], - 'branch': branch, - } - repos.append(repo) - elif service == 'openstack-dashboard': - core_project = 'horizon' - - # finally add the current service's core project repo - repo = { - 'name': core_project, - 'repository': GIT_DEFAULT_REPOS[core_project], - 'branch': branch, - } - repos.append(repo) - - return yaml.dump(dict(repositories=repos, release=default)) - - return projects_yaml - - -def _git_yaml_load(projects_yaml): - """ - Load the specified yaml into a dictionary. - """ - if not projects_yaml: - return None - - return yaml.load(projects_yaml) - - -requirements_dir = None - - -def git_clone_and_install(projects_yaml, core_project): - """ - Clone/install all specified OpenStack repositories. - - The expected format of projects_yaml is: - - repositories: - - {name: keystone, - repository: 'git://git.openstack.org/openstack/keystone.git', - branch: 'stable/icehouse'} - - {name: requirements, - repository: 'git://git.openstack.org/openstack/requirements.git', - branch: 'stable/icehouse'} - - directory: /mnt/openstack-git - http_proxy: squid-proxy-url - https_proxy: squid-proxy-url - - The directory, http_proxy, and https_proxy keys are optional. - - """ - global requirements_dir - parent_dir = '/mnt/openstack-git' - http_proxy = None - - projects = _git_yaml_load(projects_yaml) - _git_validate_projects_yaml(projects, core_project) - - old_environ = dict(os.environ) - - if 'http_proxy' in projects.keys(): - http_proxy = projects['http_proxy'] - os.environ['http_proxy'] = projects['http_proxy'] - if 'https_proxy' in projects.keys(): - os.environ['https_proxy'] = projects['https_proxy'] - - if 'directory' in projects.keys(): - parent_dir = projects['directory'] - - pip_create_virtualenv(os.path.join(parent_dir, 'venv')) - - # Upgrade setuptools and pip from default virtualenv versions. The default - # versions in trusty break master OpenStack branch deployments. - for p in ['pip', 'setuptools']: - pip_install(p, upgrade=True, proxy=http_proxy, - venv=os.path.join(parent_dir, 'venv')) - - constraints = None - for p in projects['repositories']: - repo = p['repository'] - branch = p['branch'] - depth = '1' - if 'depth' in p.keys(): - depth = p['depth'] - if p['name'] == 'requirements': - repo_dir = _git_clone_and_install_single(repo, branch, depth, - parent_dir, http_proxy, - update_requirements=False) - requirements_dir = repo_dir - constraints = os.path.join(repo_dir, "upper-constraints.txt") - # upper-constraints didn't exist until after icehouse - if not os.path.isfile(constraints): - constraints = None - # use constraints unless project yaml sets use_constraints to false - if 'use_constraints' in projects.keys(): - if not projects['use_constraints']: - constraints = None - else: - repo_dir = _git_clone_and_install_single(repo, branch, depth, - parent_dir, http_proxy, - update_requirements=True, - constraints=constraints) - - os.environ = old_environ - - -def _git_validate_projects_yaml(projects, core_project): - """ - Validate the projects yaml. - """ - _git_ensure_key_exists('repositories', projects) - - for project in projects['repositories']: - _git_ensure_key_exists('name', project.keys()) - _git_ensure_key_exists('repository', project.keys()) - _git_ensure_key_exists('branch', project.keys()) - - if projects['repositories'][0]['name'] != 'requirements': - error_out('{} git repo must be specified first'.format('requirements')) - - if projects['repositories'][-1]['name'] != core_project: - error_out('{} git repo must be specified last'.format(core_project)) - - _git_ensure_key_exists('release', projects) - - -def _git_ensure_key_exists(key, keys): - """ - Ensure that key exists in keys. - """ - if key not in keys: - error_out('openstack-origin-git key \'{}\' is missing'.format(key)) - - -def _git_clone_and_install_single(repo, branch, depth, parent_dir, http_proxy, - update_requirements, constraints=None): - """ - Clone and install a single git repository. - """ - if not os.path.exists(parent_dir): - juju_log('Directory already exists at {}. ' - 'No need to create directory.'.format(parent_dir)) - os.mkdir(parent_dir) - - juju_log('Cloning git repo: {}, branch: {}'.format(repo, branch)) - repo_dir = install_remote( - repo, dest=parent_dir, branch=branch, depth=depth) - - venv = os.path.join(parent_dir, 'venv') - - if update_requirements: - if not requirements_dir: - error_out('requirements repo must be cloned before ' - 'updating from global requirements.') - _git_update_requirements(venv, repo_dir, requirements_dir) - - juju_log('Installing git repo from dir: {}'.format(repo_dir)) - if http_proxy: - pip_install(repo_dir, proxy=http_proxy, venv=venv, - constraints=constraints) - else: - pip_install(repo_dir, venv=venv, constraints=constraints) - - return repo_dir - - -def _git_update_requirements(venv, package_dir, reqs_dir): - """ - Update from global requirements. - - Update an OpenStack git directory's requirements.txt and - test-requirements.txt from global-requirements.txt. - """ - orig_dir = os.getcwd() - os.chdir(reqs_dir) - python = os.path.join(venv, 'bin/python') - cmd = [python, 'update.py', package_dir] - try: - subprocess.check_call(cmd) - except subprocess.CalledProcessError: - package = os.path.basename(package_dir) - error_out("Error updating {} from " - "global-requirements.txt".format(package)) - os.chdir(orig_dir) - - -def git_pip_venv_dir(projects_yaml): - """ - Return the pip virtualenv path. - """ - parent_dir = '/mnt/openstack-git' - - projects = _git_yaml_load(projects_yaml) - - if 'directory' in projects.keys(): - parent_dir = projects['directory'] - - return os.path.join(parent_dir, 'venv') - - -def git_src_dir(projects_yaml, project): - """ - Return the directory where the specified project's source is located. - """ - parent_dir = '/mnt/openstack-git' - - projects = _git_yaml_load(projects_yaml) - - if 'directory' in projects.keys(): - parent_dir = projects['directory'] - - for p in projects['repositories']: - if p['name'] == project: - return os.path.join(parent_dir, os.path.basename(p['repository'])) - - return None - - -def git_yaml_value(projects_yaml, key): - """ - Return the value in projects_yaml for the specified key. - """ - projects = _git_yaml_load(projects_yaml) - - if key in projects.keys(): - return projects[key] - - return None - - -def git_generate_systemd_init_files(templates_dir): - """ - Generate systemd init files. - - Generates and installs systemd init units and script files based on the - *.init.in files contained in the templates_dir directory. - - This code is based on the openstack-pkg-tools package and its init - script generation, which is used by the OpenStack packages. - """ - for f in os.listdir(templates_dir): - # Create the init script and systemd unit file from the template - if f.endswith(".init.in"): - init_in_file = f - init_file = f[:-8] - service_file = "{}.service".format(init_file) - - init_in_source = os.path.join(templates_dir, init_in_file) - init_source = os.path.join(templates_dir, init_file) - service_source = os.path.join(templates_dir, service_file) - - init_dest = os.path.join('/etc/init.d', init_file) - service_dest = os.path.join('/lib/systemd/system', service_file) - - shutil.copyfile(init_in_source, init_source) - with open(init_source, 'a') as outfile: - template = '/usr/share/openstack-pkg-tools/init-script-template' - with open(template) as infile: - outfile.write('\n\n{}'.format(infile.read())) - - cmd = ['pkgos-gen-systemd-unit', init_in_source] - subprocess.check_call(cmd) - - if os.path.exists(init_dest): - os.remove(init_dest) - if os.path.exists(service_dest): - os.remove(service_dest) - shutil.copyfile(init_source, init_dest) - shutil.copyfile(service_source, service_dest) - os.chmod(init_dest, 0o755) - - for f in os.listdir(templates_dir): - # If there's a service.in file, use it instead of the generated one - if f.endswith(".service.in"): - service_in_file = f - service_file = f[:-3] - - service_in_source = os.path.join(templates_dir, service_in_file) - service_source = os.path.join(templates_dir, service_file) - service_dest = os.path.join('/lib/systemd/system', service_file) - - shutil.copyfile(service_in_source, service_source) - - if os.path.exists(service_dest): - os.remove(service_dest) - shutil.copyfile(service_source, service_dest) - - for f in os.listdir(templates_dir): - # Generate the systemd unit if there's no existing .service.in - if f.endswith(".init.in"): - init_in_file = f - init_file = f[:-8] - service_in_file = "{}.service.in".format(init_file) - service_file = "{}.service".format(init_file) - - init_in_source = os.path.join(templates_dir, init_in_file) - service_in_source = os.path.join(templates_dir, service_in_file) - service_source = os.path.join(templates_dir, service_file) - service_dest = os.path.join('/lib/systemd/system', service_file) - - if not os.path.exists(service_in_source): - cmd = ['pkgos-gen-systemd-unit', init_in_source] - subprocess.check_call(cmd) - - if os.path.exists(service_dest): - os.remove(service_dest) - shutil.copyfile(service_source, service_dest) - - -def os_workload_status(configs, required_interfaces, charm_func=None): - """ - Decorator to set workload status based on complete contexts - """ - def wrap(f): - @wraps(f) - def wrapped_f(*args, **kwargs): - # Run the original function first - f(*args, **kwargs) - # Set workload status now that contexts have been - # acted on - set_os_workload_status(configs, required_interfaces, charm_func) - return wrapped_f - return wrap - - -def set_os_workload_status(configs, required_interfaces, charm_func=None, - services=None, ports=None): - """Set the state of the workload status for the charm. - - This calls _determine_os_workload_status() to get the new state, message - and sets the status using status_set() - - @param configs: a templating.OSConfigRenderer() object - @param required_interfaces: {generic: [specific, specific2, ...]} - @param charm_func: a callable function that returns state, message. The - signature is charm_func(configs) -> (state, message) - @param services: list of strings OR dictionary specifying services/ports - @param ports: OPTIONAL list of port numbers. - @returns state, message: the new workload status, user message - """ - state, message = _determine_os_workload_status( - configs, required_interfaces, charm_func, services, ports) - status_set(state, message) - - -def _determine_os_workload_status( - configs, required_interfaces, charm_func=None, - services=None, ports=None): - """Determine the state of the workload status for the charm. - - This function returns the new workload status for the charm based - on the state of the interfaces, the paused state and whether the - services are actually running and any specified ports are open. - - This checks: - - 1. if the unit should be paused, that it is actually paused. If so the - state is 'maintenance' + message, else 'broken'. - 2. that the interfaces/relations are complete. If they are not then - it sets the state to either 'broken' or 'waiting' and an appropriate - message. - 3. If all the relation data is set, then it checks that the actual - services really are running. If not it sets the state to 'broken'. - - If everything is okay then the state returns 'active'. - - @param configs: a templating.OSConfigRenderer() object - @param required_interfaces: {generic: [specific, specific2, ...]} - @param charm_func: a callable function that returns state, message. The - signature is charm_func(configs) -> (state, message) - @param services: list of strings OR dictionary specifying services/ports - @param ports: OPTIONAL list of port numbers. - @returns state, message: the new workload status, user message - """ - state, message = _ows_check_if_paused(services, ports) - - if state is None: - state, message = _ows_check_generic_interfaces( - configs, required_interfaces) - - if state != 'maintenance' and charm_func: - # _ows_check_charm_func() may modify the state, message - state, message = _ows_check_charm_func( - state, message, lambda: charm_func(configs)) - - if state is None: - state, message = _ows_check_services_running(services, ports) - - if state is None: - state = 'active' - message = "Unit is ready" - juju_log(message, 'INFO') - - return state, message - - -def _ows_check_if_paused(services=None, ports=None): - """Check if the unit is supposed to be paused, and if so check that the - services/ports (if passed) are actually stopped/not being listened to. - - if the unit isn't supposed to be paused, just return None, None - - @param services: OPTIONAL services spec or list of service names. - @param ports: OPTIONAL list of port numbers. - @returns state, message or None, None - """ - if is_unit_paused_set(): - state, message = check_actually_paused(services=services, - ports=ports) - if state is None: - # we're paused okay, so set maintenance and return - state = "maintenance" - message = "Paused. Use 'resume' action to resume normal service." - return state, message - return None, None - - -def _ows_check_generic_interfaces(configs, required_interfaces): - """Check the complete contexts to determine the workload status. - - - Checks for missing or incomplete contexts - - juju log details of missing required data. - - determines the correct workload status - - creates an appropriate message for status_set(...) - - if there are no problems then the function returns None, None - - @param configs: a templating.OSConfigRenderer() object - @params required_interfaces: {generic_interface: [specific_interface], } - @returns state, message or None, None - """ - incomplete_rel_data = incomplete_relation_data(configs, - required_interfaces) - state = None - message = None - missing_relations = set() - incomplete_relations = set() - - for generic_interface, relations_states in incomplete_rel_data.items(): - related_interface = None - missing_data = {} - # Related or not? - for interface, relation_state in relations_states.items(): - if relation_state.get('related'): - related_interface = interface - missing_data = relation_state.get('missing_data') - break - # No relation ID for the generic_interface? - if not related_interface: - juju_log("{} relation is missing and must be related for " - "functionality. ".format(generic_interface), 'WARN') - state = 'blocked' - missing_relations.add(generic_interface) - else: - # Relation ID eists but no related unit - if not missing_data: - # Edge case - relation ID exists but departings - _hook_name = hook_name() - if (('departed' in _hook_name or 'broken' in _hook_name) and - related_interface in _hook_name): - state = 'blocked' - missing_relations.add(generic_interface) - juju_log("{} relation's interface, {}, " - "relationship is departed or broken " - "and is required for functionality." - "".format(generic_interface, related_interface), - "WARN") - # Normal case relation ID exists but no related unit - # (joining) - else: - juju_log("{} relations's interface, {}, is related but has" - " no units in the relation." - "".format(generic_interface, related_interface), - "INFO") - # Related unit exists and data missing on the relation - else: - juju_log("{} relation's interface, {}, is related awaiting " - "the following data from the relationship: {}. " - "".format(generic_interface, related_interface, - ", ".join(missing_data)), "INFO") - if state != 'blocked': - state = 'waiting' - if generic_interface not in missing_relations: - incomplete_relations.add(generic_interface) - - if missing_relations: - message = "Missing relations: {}".format(", ".join(missing_relations)) - if incomplete_relations: - message += "; incomplete relations: {}" \ - "".format(", ".join(incomplete_relations)) - state = 'blocked' - elif incomplete_relations: - message = "Incomplete relations: {}" \ - "".format(", ".join(incomplete_relations)) - state = 'waiting' - - return state, message - - -def _ows_check_charm_func(state, message, charm_func_with_configs): - """Run a custom check function for the charm to see if it wants to - change the state. This is only run if not in 'maintenance' and - tests to see if the new state is more important that the previous - one determined by the interfaces/relations check. - - @param state: the previously determined state so far. - @param message: the user orientated message so far. - @param charm_func: a callable function that returns state, message - @returns state, message strings. - """ - if charm_func_with_configs: - charm_state, charm_message = charm_func_with_configs() - if charm_state != 'active' and charm_state != 'unknown': - state = workload_state_compare(state, charm_state) - if message: - charm_message = charm_message.replace("Incomplete relations: ", - "") - message = "{}, {}".format(message, charm_message) - else: - message = charm_message - return state, message - - -def _ows_check_services_running(services, ports): - """Check that the services that should be running are actually running - and that any ports specified are being listened to. - - @param services: list of strings OR dictionary specifying services/ports - @param ports: list of ports - @returns state, message: strings or None, None - """ - messages = [] - state = None - if services is not None: - services = _extract_services_list_helper(services) - services_running, running = _check_running_services(services) - if not all(running): - messages.append( - "Services not running that should be: {}" - .format(", ".join(_filter_tuples(services_running, False)))) - state = 'blocked' - # also verify that the ports that should be open are open - # NB, that ServiceManager objects only OPTIONALLY have ports - map_not_open, ports_open = ( - _check_listening_on_services_ports(services)) - if not all(ports_open): - # find which service has missing ports. They are in service - # order which makes it a bit easier. - message_parts = {service: ", ".join([str(v) for v in open_ports]) - for service, open_ports in map_not_open.items()} - message = ", ".join( - ["{}: [{}]".format(s, sp) for s, sp in message_parts.items()]) - messages.append( - "Services with ports not open that should be: {}" - .format(message)) - state = 'blocked' - - if ports is not None: - # and we can also check ports which we don't know the service for - ports_open, ports_open_bools = _check_listening_on_ports_list(ports) - if not all(ports_open_bools): - messages.append( - "Ports which should be open, but are not: {}" - .format(", ".join([str(p) for p, v in ports_open - if not v]))) - state = 'blocked' - - if state is not None: - message = "; ".join(messages) - return state, message - - return None, None - - -def _extract_services_list_helper(services): - """Extract a OrderedDict of {service: [ports]} of the supplied services - for use by the other functions. - - The services object can either be: - - None : no services were passed (an empty dict is returned) - - a list of strings - - A dictionary (optionally OrderedDict) {service_name: {'service': ..}} - - An array of [{'service': service_name, ...}, ...] - - @param services: see above - @returns OrderedDict(service: [ports], ...) - """ - if services is None: - return {} - if isinstance(services, dict): - services = services.values() - # either extract the list of services from the dictionary, or if - # it is a simple string, use that. i.e. works with mixed lists. - _s = OrderedDict() - for s in services: - if isinstance(s, dict) and 'service' in s: - _s[s['service']] = s.get('ports', []) - if isinstance(s, str): - _s[s] = [] - return _s - - -def _check_running_services(services): - """Check that the services dict provided is actually running and provide - a list of (service, boolean) tuples for each service. - - Returns both a zipped list of (service, boolean) and a list of booleans - in the same order as the services. - - @param services: OrderedDict of strings: [ports], one for each service to - check. - @returns [(service, boolean), ...], : results for checks - [boolean] : just the result of the service checks - """ - services_running = [service_running(s) for s in services] - return list(zip(services, services_running)), services_running - - -def _check_listening_on_services_ports(services, test=False): - """Check that the unit is actually listening (has the port open) on the - ports that the service specifies are open. If test is True then the - function returns the services with ports that are open rather than - closed. - - Returns an OrderedDict of service: ports and a list of booleans - - @param services: OrderedDict(service: [port, ...], ...) - @param test: default=False, if False, test for closed, otherwise open. - @returns OrderedDict(service: [port-not-open, ...]...), [boolean] - """ - test = not(not(test)) # ensure test is True or False - all_ports = list(itertools.chain(*services.values())) - ports_states = [port_has_listener('0.0.0.0', p) for p in all_ports] - map_ports = OrderedDict() - matched_ports = [p for p, opened in zip(all_ports, ports_states) - if opened == test] # essentially opened xor test - for service, ports in services.items(): - set_ports = set(ports).intersection(matched_ports) - if set_ports: - map_ports[service] = set_ports - return map_ports, ports_states - - -def _check_listening_on_ports_list(ports): - """Check that the ports list given are being listened to - - Returns a list of ports being listened to and a list of the - booleans. - - @param ports: LIST or port numbers. - @returns [(port_num, boolean), ...], [boolean] - """ - ports_open = [port_has_listener('0.0.0.0', p) for p in ports] - return zip(ports, ports_open), ports_open - - -def _filter_tuples(services_states, state): - """Return a simple list from a list of tuples according to the condition - - @param services_states: LIST of (string, boolean): service and running - state. - @param state: Boolean to match the tuple against. - @returns [LIST of strings] that matched the tuple RHS. - """ - return [s for s, b in services_states if b == state] - - -def workload_state_compare(current_workload_state, workload_state): - """ Return highest priority of two states""" - hierarchy = {'unknown': -1, - 'active': 0, - 'maintenance': 1, - 'waiting': 2, - 'blocked': 3, - } - - if hierarchy.get(workload_state) is None: - workload_state = 'unknown' - if hierarchy.get(current_workload_state) is None: - current_workload_state = 'unknown' - - # Set workload_state based on hierarchy of statuses - if hierarchy.get(current_workload_state) > hierarchy.get(workload_state): - return current_workload_state - else: - return workload_state - - -def incomplete_relation_data(configs, required_interfaces): - """Check complete contexts against required_interfaces - Return dictionary of incomplete relation data. - - configs is an OSConfigRenderer object with configs registered - - required_interfaces is a dictionary of required general interfaces - with dictionary values of possible specific interfaces. - Example: - required_interfaces = {'database': ['shared-db', 'pgsql-db']} - - The interface is said to be satisfied if anyone of the interfaces in the - list has a complete context. - - Return dictionary of incomplete or missing required contexts with relation - status of interfaces and any missing data points. Example: - {'message': - {'amqp': {'missing_data': ['rabbitmq_password'], 'related': True}, - 'zeromq-configuration': {'related': False}}, - 'identity': - {'identity-service': {'related': False}}, - 'database': - {'pgsql-db': {'related': False}, - 'shared-db': {'related': True}}} - """ - complete_ctxts = configs.complete_contexts() - incomplete_relations = [ - svc_type - for svc_type, interfaces in required_interfaces.items() - if not set(interfaces).intersection(complete_ctxts)] - return { - i: configs.get_incomplete_context_data(required_interfaces[i]) - for i in incomplete_relations} - - -def do_action_openstack_upgrade(package, upgrade_callback, configs): - """Perform action-managed OpenStack upgrade. - - Upgrades packages to the configured openstack-origin version and sets - the corresponding action status as a result. - - If the charm was installed from source we cannot upgrade it. - For backwards compatibility a config flag (action-managed-upgrade) must - be set for this code to run, otherwise a full service level upgrade will - fire on config-changed. - - @param package: package name for determining if upgrade available - @param upgrade_callback: function callback to charm's upgrade function - @param configs: templating object derived from OSConfigRenderer class - - @return: True if upgrade successful; False if upgrade failed or skipped - """ - ret = False - - if git_install_requested(): - action_set({'outcome': 'installed from source, skipped upgrade.'}) - else: - if openstack_upgrade_available(package): - if config('action-managed-upgrade'): - juju_log('Upgrading OpenStack release') - - try: - upgrade_callback(configs=configs) - action_set({'outcome': 'success, upgrade completed.'}) - ret = True - except: - action_set({'outcome': 'upgrade failed, see traceback.'}) - action_set({'traceback': traceback.format_exc()}) - action_fail('do_openstack_upgrade resulted in an ' - 'unexpected error') - else: - action_set({'outcome': 'action-managed-upgrade config is ' - 'False, skipped upgrade.'}) - else: - action_set({'outcome': 'no upgrade available.'}) - - return ret - - -def remote_restart(rel_name, remote_service=None): - trigger = { - 'restart-trigger': str(uuid.uuid4()), - } - if remote_service: - trigger['remote-service'] = remote_service - for rid in relation_ids(rel_name): - # This subordinate can be related to two seperate services using - # different subordinate relations so only issue the restart if - # the principle is conencted down the relation we think it is - if related_units(relid=rid): - relation_set(relation_id=rid, - relation_settings=trigger, - ) - - -def check_actually_paused(services=None, ports=None): - """Check that services listed in the services object and and ports - are actually closed (not listened to), to verify that the unit is - properly paused. - - @param services: See _extract_services_list_helper - @returns status, : string for status (None if okay) - message : string for problem for status_set - """ - state = None - message = None - messages = [] - if services is not None: - services = _extract_services_list_helper(services) - services_running, services_states = _check_running_services(services) - if any(services_states): - # there shouldn't be any running so this is a problem - messages.append("these services running: {}" - .format(", ".join( - _filter_tuples(services_running, True)))) - state = "blocked" - ports_open, ports_open_bools = ( - _check_listening_on_services_ports(services, True)) - if any(ports_open_bools): - message_parts = {service: ", ".join([str(v) for v in open_ports]) - for service, open_ports in ports_open.items()} - message = ", ".join( - ["{}: [{}]".format(s, sp) for s, sp in message_parts.items()]) - messages.append( - "these service:ports are open: {}".format(message)) - state = 'blocked' - if ports is not None: - ports_open, bools = _check_listening_on_ports_list(ports) - if any(bools): - messages.append( - "these ports which should be closed, but are open: {}" - .format(", ".join([str(p) for p, v in ports_open if v]))) - state = 'blocked' - if messages: - message = ("Services should be paused but {}" - .format(", ".join(messages))) - return state, message - - -def set_unit_paused(): - """Set the unit to a paused state in the local kv() store. - This does NOT actually pause the unit - """ - with unitdata.HookData()() as t: - kv = t[0] - kv.set('unit-paused', True) - - -def clear_unit_paused(): - """Clear the unit from a paused state in the local kv() store - This does NOT actually restart any services - it only clears the - local state. - """ - with unitdata.HookData()() as t: - kv = t[0] - kv.set('unit-paused', False) - - -def is_unit_paused_set(): - """Return the state of the kv().get('unit-paused'). - This does NOT verify that the unit really is paused. - - To help with units that don't have HookData() (testing) - if it excepts, return False - """ - try: - with unitdata.HookData()() as t: - kv = t[0] - # transform something truth-y into a Boolean. - return not(not(kv.get('unit-paused'))) - except: - return False - - -def pause_unit(assess_status_func, services=None, ports=None, - charm_func=None): - """Pause a unit by stopping the services and setting 'unit-paused' - in the local kv() store. - - Also checks that the services have stopped and ports are no longer - being listened to. - - An optional charm_func() can be called that can either raise an - Exception or return non None, None to indicate that the unit - didn't pause cleanly. - - The signature for charm_func is: - charm_func() -> message: string - - charm_func() is executed after any services are stopped, if supplied. - - The services object can either be: - - None : no services were passed (an empty dict is returned) - - a list of strings - - A dictionary (optionally OrderedDict) {service_name: {'service': ..}} - - An array of [{'service': service_name, ...}, ...] - - @param assess_status_func: (f() -> message: string | None) or None - @param services: OPTIONAL see above - @param ports: OPTIONAL list of port - @param charm_func: function to run for custom charm pausing. - @returns None - @raises Exception(message) on an error for action_fail(). - """ - services = _extract_services_list_helper(services) - messages = [] - if services: - for service in services.keys(): - stopped = service_pause(service) - if not stopped: - messages.append("{} didn't stop cleanly.".format(service)) - if charm_func: - try: - message = charm_func() - if message: - messages.append(message) - except Exception as e: - message.append(str(e)) - set_unit_paused() - if assess_status_func: - message = assess_status_func() - if message: - messages.append(message) - if messages: - raise Exception("Couldn't pause: {}".format("; ".join(messages))) - - -def resume_unit(assess_status_func, services=None, ports=None, - charm_func=None): - """Resume a unit by starting the services and clearning 'unit-paused' - in the local kv() store. - - Also checks that the services have started and ports are being listened to. - - An optional charm_func() can be called that can either raise an - Exception or return non None to indicate that the unit - didn't resume cleanly. - - The signature for charm_func is: - charm_func() -> message: string - - charm_func() is executed after any services are started, if supplied. - - The services object can either be: - - None : no services were passed (an empty dict is returned) - - a list of strings - - A dictionary (optionally OrderedDict) {service_name: {'service': ..}} - - An array of [{'service': service_name, ...}, ...] - - @param assess_status_func: (f() -> message: string | None) or None - @param services: OPTIONAL see above - @param ports: OPTIONAL list of port - @param charm_func: function to run for custom charm resuming. - @returns None - @raises Exception(message) on an error for action_fail(). - """ - services = _extract_services_list_helper(services) - messages = [] - if services: - for service in services.keys(): - started = service_resume(service) - if not started: - messages.append("{} didn't start cleanly.".format(service)) - if charm_func: - try: - message = charm_func() - if message: - messages.append(message) - except Exception as e: - message.append(str(e)) - clear_unit_paused() - if assess_status_func: - message = assess_status_func() - if message: - messages.append(message) - if messages: - raise Exception("Couldn't resume: {}".format("; ".join(messages))) - - -def make_assess_status_func(*args, **kwargs): - """Creates an assess_status_func() suitable for handing to pause_unit() - and resume_unit(). - - This uses the _determine_os_workload_status(...) function to determine - what the workload_status should be for the unit. If the unit is - not in maintenance or active states, then the message is returned to - the caller. This is so an action that doesn't result in either a - complete pause or complete resume can signal failure with an action_fail() - """ - def _assess_status_func(): - state, message = _determine_os_workload_status(*args, **kwargs) - status_set(state, message) - if state not in ['maintenance', 'active']: - return message - return None - - return _assess_status_func - - -def pausable_restart_on_change(restart_map, stopstart=False, - restart_functions=None): - """A restart_on_change decorator that checks to see if the unit is - paused. If it is paused then the decorated function doesn't fire. - - This is provided as a helper, as the @restart_on_change(...) decorator - is in core.host, yet the openstack specific helpers are in this file - (contrib.openstack.utils). Thus, this needs to be an optional feature - for openstack charms (or charms that wish to use the openstack - pause/resume type features). - - It is used as follows: - - from contrib.openstack.utils import ( - pausable_restart_on_change as restart_on_change) - - @restart_on_change(restart_map, stopstart=<boolean>) - def some_hook(...): - pass - - see core.utils.restart_on_change() for more details. - - @param f: the function to decorate - @param restart_map: the restart map {conf_file: [services]} - @param stopstart: DEFAULT false; whether to stop, start or just restart - @returns decorator to use a restart_on_change with pausability - """ - def wrap(f): - @functools.wraps(f) - def wrapped_f(*args, **kwargs): - if is_unit_paused_set(): - return f(*args, **kwargs) - # otherwise, normal restart_on_change functionality - return restart_on_change_helper( - (lambda: f(*args, **kwargs)), restart_map, stopstart, - restart_functions) - return wrapped_f - return wrap - - -def config_flags_parser(config_flags): - """Parses config flags string into dict. - - This parsing method supports a few different formats for the config - flag values to be parsed: - - 1. A string in the simple format of key=value pairs, with the possibility - of specifying multiple key value pairs within the same string. For - example, a string in the format of 'key1=value1, key2=value2' will - return a dict of: - - {'key1': 'value1', - 'key2': 'value2'}. - - 2. A string in the above format, but supporting a comma-delimited list - of values for the same key. For example, a string in the format of - 'key1=value1, key2=value3,value4,value5' will return a dict of: - - {'key1', 'value1', - 'key2', 'value2,value3,value4'} - - 3. A string containing a colon character (:) prior to an equal - character (=) will be treated as yaml and parsed as such. This can be - used to specify more complex key value pairs. For example, - a string in the format of 'key1: subkey1=value1, subkey2=value2' will - return a dict of: - - {'key1', 'subkey1=value1, subkey2=value2'} - - The provided config_flags string may be a list of comma-separated values - which themselves may be comma-separated list of values. - """ - # If we find a colon before an equals sign then treat it as yaml. - # Note: limit it to finding the colon first since this indicates assignment - # for inline yaml. - colon = config_flags.find(':') - equals = config_flags.find('=') - if colon > 0: - if colon < equals or equals < 0: - return yaml.safe_load(config_flags) - - if config_flags.find('==') >= 0: - juju_log("config_flags is not in expected format (key=value)", - level=ERROR) - raise OSContextError - - # strip the following from each value. - post_strippers = ' ,' - # we strip any leading/trailing '=' or ' ' from the string then - # split on '='. - split = config_flags.strip(' =').split('=') - limit = len(split) - flags = {} - for i in range(0, limit - 1): - current = split[i] - next = split[i + 1] - vindex = next.rfind(',') - if (i == limit - 2) or (vindex < 0): - value = next - else: - value = next[:vindex] - - if i == 0: - key = current - else: - # if this not the first entry, expect an embedded key. - index = current.rfind(',') - if index < 0: - juju_log("Invalid config value(s) at index %s" % (i), - level=ERROR) - raise OSContextError - key = current[index + 1:] - - # Add to collection. - flags[key.strip(post_strippers)] = value.rstrip(post_strippers) - - return flags diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py deleted file mode 100644 index e29bd1b..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/python/packages.py +++ /dev/null @@ -1,147 +0,0 @@ -#!/usr/bin/env python -# coding: utf-8 - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import subprocess -import sys - -from charmhelpers.fetch import apt_install, apt_update -from charmhelpers.core.hookenv import charm_dir, log - -__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>" - - -def pip_execute(*args, **kwargs): - """Overriden pip_execute() to stop sys.path being changed. - - The act of importing main from the pip module seems to cause add wheels - from the /usr/share/python-wheels which are installed by various tools. - This function ensures that sys.path remains the same after the call is - executed. - """ - try: - _path = sys.path - try: - from pip import main as _pip_execute - except ImportError: - apt_update() - apt_install('python-pip') - from pip import main as _pip_execute - _pip_execute(*args, **kwargs) - finally: - sys.path = _path - - -def parse_options(given, available): - """Given a set of options, check if available""" - for key, value in sorted(given.items()): - if not value: - continue - if key in available: - yield "--{0}={1}".format(key, value) - - -def pip_install_requirements(requirements, constraints=None, **options): - """Install a requirements file. - - :param constraints: Path to pip constraints file. - http://pip.readthedocs.org/en/stable/user_guide/#constraints-files - """ - command = ["install"] - - available_options = ('proxy', 'src', 'log', ) - for option in parse_options(options, available_options): - command.append(option) - - command.append("-r {0}".format(requirements)) - if constraints: - command.append("-c {0}".format(constraints)) - log("Installing from file: {} with constraints {} " - "and options: {}".format(requirements, constraints, command)) - else: - log("Installing from file: {} with options: {}".format(requirements, - command)) - pip_execute(command) - - -def pip_install(package, fatal=False, upgrade=False, venv=None, - constraints=None, **options): - """Install a python package""" - if venv: - venv_python = os.path.join(venv, 'bin/pip') - command = [venv_python, "install"] - else: - command = ["install"] - - available_options = ('proxy', 'src', 'log', 'index-url', ) - for option in parse_options(options, available_options): - command.append(option) - - if upgrade: - command.append('--upgrade') - - if constraints: - command.extend(['-c', constraints]) - - if isinstance(package, list): - command.extend(package) - else: - command.append(package) - - log("Installing {} package with options: {}".format(package, - command)) - if venv: - subprocess.check_call(command) - else: - pip_execute(command) - - -def pip_uninstall(package, **options): - """Uninstall a python package""" - command = ["uninstall", "-q", "-y"] - - available_options = ('proxy', 'log', ) - for option in parse_options(options, available_options): - command.append(option) - - if isinstance(package, list): - command.extend(package) - else: - command.append(package) - - log("Uninstalling {} package with options: {}".format(package, - command)) - pip_execute(command) - - -def pip_list(): - """Returns the list of current python installed packages - """ - return pip_execute(["list"]) - - -def pip_create_virtualenv(path=None): - """Create an isolated Python environment.""" - apt_install('python-virtualenv') - - if path: - venv_path = path - else: - venv_path = os.path.join(charm_dir(), 'venv') - - if not os.path.exists(venv_path): - subprocess.check_call(['virtualenv', venv_path]) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/ceph.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/ceph.py deleted file mode 100644 index beff270..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/ceph.py +++ /dev/null @@ -1,1333 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# -# Copyright 2012 Canonical Ltd. -# -# This file is sourced from lp:openstack-charm-helpers -# -# Authors: -# James Page <james.page@ubuntu.com> -# Adam Gandelman <adamg@ubuntu.com> -# - -import errno -import hashlib -import math -import six - -import os -import shutil -import json -import time -import uuid - -from subprocess import ( - check_call, - check_output, - CalledProcessError, -) -from charmhelpers.core.hookenv import ( - config, - local_unit, - relation_get, - relation_ids, - relation_set, - related_units, - log, - DEBUG, - INFO, - WARNING, - ERROR, -) -from charmhelpers.core.host import ( - mount, - mounts, - service_start, - service_stop, - service_running, - umount, -) -from charmhelpers.fetch import ( - apt_install, -) - -from charmhelpers.core.kernel import modprobe -from charmhelpers.contrib.openstack.utils import config_flags_parser - -KEYRING = '/etc/ceph/ceph.client.{}.keyring' -KEYFILE = '/etc/ceph/ceph.client.{}.key' - -CEPH_CONF = """[global] -auth supported = {auth} -keyring = {keyring} -mon host = {mon_hosts} -log to syslog = {use_syslog} -err to syslog = {use_syslog} -clog to syslog = {use_syslog} -""" - -# The number of placement groups per OSD to target for placement group -# calculations. This number is chosen as 100 due to the ceph PG Calc -# documentation recommending to choose 100 for clusters which are not -# expected to increase in the foreseeable future. Since the majority of the -# calculations are done on deployment, target the case of non-expanding -# clusters as the default. -DEFAULT_PGS_PER_OSD_TARGET = 100 -DEFAULT_POOL_WEIGHT = 10.0 -LEGACY_PG_COUNT = 200 - - -def validator(value, valid_type, valid_range=None): - """ - Used to validate these: http://docs.ceph.com/docs/master/rados/operations/pools/#set-pool-values - Example input: - validator(value=1, - valid_type=int, - valid_range=[0, 2]) - This says I'm testing value=1. It must be an int inclusive in [0,2] - - :param value: The value to validate - :param valid_type: The type that value should be. - :param valid_range: A range of values that value can assume. - :return: - """ - assert isinstance(value, valid_type), "{} is not a {}".format( - value, - valid_type) - if valid_range is not None: - assert isinstance(valid_range, list), \ - "valid_range must be a list, was given {}".format(valid_range) - # If we're dealing with strings - if valid_type is six.string_types: - assert value in valid_range, \ - "{} is not in the list {}".format(value, valid_range) - # Integer, float should have a min and max - else: - if len(valid_range) != 2: - raise ValueError( - "Invalid valid_range list of {} for {}. " - "List must be [min,max]".format(valid_range, value)) - assert value >= valid_range[0], \ - "{} is less than minimum allowed value of {}".format( - value, valid_range[0]) - assert value <= valid_range[1], \ - "{} is greater than maximum allowed value of {}".format( - value, valid_range[1]) - - -class PoolCreationError(Exception): - """ - A custom error to inform the caller that a pool creation failed. Provides an error message - """ - - def __init__(self, message): - super(PoolCreationError, self).__init__(message) - - -class Pool(object): - """ - An object oriented approach to Ceph pool creation. This base class is inherited by ReplicatedPool and ErasurePool. - Do not call create() on this base class as it will not do anything. Instantiate a child class and call create(). - """ - - def __init__(self, service, name): - self.service = service - self.name = name - - # Create the pool if it doesn't exist already - # To be implemented by subclasses - def create(self): - pass - - def add_cache_tier(self, cache_pool, mode): - """ - Adds a new cache tier to an existing pool. - :param cache_pool: six.string_types. The cache tier pool name to add. - :param mode: six.string_types. The caching mode to use for this pool. valid range = ["readonly", "writeback"] - :return: None - """ - # Check the input types and values - validator(value=cache_pool, valid_type=six.string_types) - validator(value=mode, valid_type=six.string_types, valid_range=["readonly", "writeback"]) - - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'add', self.name, cache_pool]) - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'cache-mode', cache_pool, mode]) - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'set-overlay', self.name, cache_pool]) - check_call(['ceph', '--id', self.service, 'osd', 'pool', 'set', cache_pool, 'hit_set_type', 'bloom']) - - def remove_cache_tier(self, cache_pool): - """ - Removes a cache tier from Ceph. Flushes all dirty objects from writeback pools and waits for that to complete. - :param cache_pool: six.string_types. The cache tier pool name to remove. - :return: None - """ - # read-only is easy, writeback is much harder - mode = get_cache_mode(self.service, cache_pool) - version = ceph_version() - if mode == 'readonly': - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'cache-mode', cache_pool, 'none']) - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'remove', self.name, cache_pool]) - - elif mode == 'writeback': - pool_forward_cmd = ['ceph', '--id', self.service, 'osd', 'tier', - 'cache-mode', cache_pool, 'forward'] - if version >= '10.1': - # Jewel added a mandatory flag - pool_forward_cmd.append('--yes-i-really-mean-it') - - check_call(pool_forward_cmd) - # Flush the cache and wait for it to return - check_call(['rados', '--id', self.service, '-p', cache_pool, 'cache-flush-evict-all']) - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'remove-overlay', self.name]) - check_call(['ceph', '--id', self.service, 'osd', 'tier', 'remove', self.name, cache_pool]) - - def get_pgs(self, pool_size, percent_data=DEFAULT_POOL_WEIGHT): - """Return the number of placement groups to use when creating the pool. - - Returns the number of placement groups which should be specified when - creating the pool. This is based upon the calculation guidelines - provided by the Ceph Placement Group Calculator (located online at - http://ceph.com/pgcalc/). - - The number of placement groups are calculated using the following: - - (Target PGs per OSD) * (OSD #) * (%Data) - ---------------------------------------- - (Pool size) - - Per the upstream guidelines, the OSD # should really be considered - based on the number of OSDs which are eligible to be selected by the - pool. Since the pool creation doesn't specify any of CRUSH set rules, - the default rule will be dependent upon the type of pool being - created (replicated or erasure). - - This code makes no attempt to determine the number of OSDs which can be - selected for the specific rule, rather it is left to the user to tune - in the form of 'expected-osd-count' config option. - - :param pool_size: int. pool_size is either the number of replicas for - replicated pools or the K+M sum for erasure coded pools - :param percent_data: float. the percentage of data that is expected to - be contained in the pool for the specific OSD set. Default value - is to assume 10% of the data is for this pool, which is a - relatively low % of the data but allows for the pg_num to be - increased. NOTE: the default is primarily to handle the scenario - where related charms requiring pools has not been upgraded to - include an update to indicate their relative usage of the pools. - :return: int. The number of pgs to use. - """ - - # Note: This calculation follows the approach that is provided - # by the Ceph PG Calculator located at http://ceph.com/pgcalc/. - validator(value=pool_size, valid_type=int) - - # Ensure that percent data is set to something - even with a default - # it can be set to None, which would wreak havoc below. - if percent_data is None: - percent_data = DEFAULT_POOL_WEIGHT - - # If the expected-osd-count is specified, then use the max between - # the expected-osd-count and the actual osd_count - osd_list = get_osds(self.service) - expected = config('expected-osd-count') or 0 - - if osd_list: - osd_count = max(expected, len(osd_list)) - - # Log a message to provide some insight if the calculations claim - # to be off because someone is setting the expected count and - # there are more OSDs in reality. Try to make a proper guess - # based upon the cluster itself. - if expected and osd_count != expected: - log("Found more OSDs than provided expected count. " - "Using the actual count instead", INFO) - elif expected: - # Use the expected-osd-count in older ceph versions to allow for - # a more accurate pg calculations - osd_count = expected - else: - # NOTE(james-page): Default to 200 for older ceph versions - # which don't support OSD query from cli - return LEGACY_PG_COUNT - - percent_data /= 100.0 - target_pgs_per_osd = config('pgs-per-osd') or DEFAULT_PGS_PER_OSD_TARGET - num_pg = (target_pgs_per_osd * osd_count * percent_data) // pool_size - - # The CRUSH algorithm has a slight optimization for placement groups - # with powers of 2 so find the nearest power of 2. If the nearest - # power of 2 is more than 25% below the original value, the next - # highest value is used. To do this, find the nearest power of 2 such - # that 2^n <= num_pg, check to see if its within the 25% tolerance. - exponent = math.floor(math.log(num_pg, 2)) - nearest = 2 ** exponent - if (num_pg - nearest) > (num_pg * 0.25): - # Choose the next highest power of 2 since the nearest is more - # than 25% below the original value. - return int(nearest * 2) - else: - return int(nearest) - - -class ReplicatedPool(Pool): - def __init__(self, service, name, pg_num=None, replicas=2, - percent_data=10.0): - super(ReplicatedPool, self).__init__(service=service, name=name) - self.replicas = replicas - if pg_num: - # Since the number of placement groups were specified, ensure - # that there aren't too many created. - max_pgs = self.get_pgs(self.replicas, 100.0) - self.pg_num = min(pg_num, max_pgs) - else: - self.pg_num = self.get_pgs(self.replicas, percent_data) - - def create(self): - if not pool_exists(self.service, self.name): - # Create it - cmd = ['ceph', '--id', self.service, 'osd', 'pool', 'create', - self.name, str(self.pg_num)] - try: - check_call(cmd) - # Set the pool replica size - update_pool(client=self.service, - pool=self.name, - settings={'size': str(self.replicas)}) - except CalledProcessError: - raise - - -# Default jerasure erasure coded pool -class ErasurePool(Pool): - def __init__(self, service, name, erasure_code_profile="default", - percent_data=10.0): - super(ErasurePool, self).__init__(service=service, name=name) - self.erasure_code_profile = erasure_code_profile - self.percent_data = percent_data - - def create(self): - if not pool_exists(self.service, self.name): - # Try to find the erasure profile information in order to properly - # size the number of placement groups. The size of an erasure - # coded placement group is calculated as k+m. - erasure_profile = get_erasure_profile(self.service, - self.erasure_code_profile) - - # Check for errors - if erasure_profile is None: - msg = ("Failed to discover erasure profile named " - "{}".format(self.erasure_code_profile)) - log(msg, level=ERROR) - raise PoolCreationError(msg) - if 'k' not in erasure_profile or 'm' not in erasure_profile: - # Error - msg = ("Unable to find k (data chunks) or m (coding chunks) " - "in erasure profile {}".format(erasure_profile)) - log(msg, level=ERROR) - raise PoolCreationError(msg) - - k = int(erasure_profile['k']) - m = int(erasure_profile['m']) - pgs = self.get_pgs(k + m, self.percent_data) - # Create it - cmd = ['ceph', '--id', self.service, 'osd', 'pool', 'create', - self.name, str(pgs), str(pgs), - 'erasure', self.erasure_code_profile] - try: - check_call(cmd) - except CalledProcessError: - raise - - """Get an existing erasure code profile if it already exists. - Returns json formatted output""" - - -def get_mon_map(service): - """ - Returns the current monitor map. - :param service: six.string_types. The Ceph user name to run the command under - :return: json string. :raise: ValueError if the monmap fails to parse. - Also raises CalledProcessError if our ceph command fails - """ - try: - mon_status = check_output( - ['ceph', '--id', service, - 'mon_status', '--format=json']) - try: - return json.loads(mon_status) - except ValueError as v: - log("Unable to parse mon_status json: {}. Error: {}".format( - mon_status, v.message)) - raise - except CalledProcessError as e: - log("mon_status command failed with message: {}".format( - e.message)) - raise - - -def hash_monitor_names(service): - """ - Uses the get_mon_map() function to get information about the monitor - cluster. - Hash the name of each monitor. Return a sorted list of monitor hashes - in an ascending order. - :param service: six.string_types. The Ceph user name to run the command under - :rtype : dict. json dict of monitor name, ip address and rank - example: { - 'name': 'ip-172-31-13-165', - 'rank': 0, - 'addr': '172.31.13.165:6789/0'} - """ - try: - hash_list = [] - monitor_list = get_mon_map(service=service) - if monitor_list['monmap']['mons']: - for mon in monitor_list['monmap']['mons']: - hash_list.append( - hashlib.sha224(mon['name'].encode('utf-8')).hexdigest()) - return sorted(hash_list) - else: - return None - except (ValueError, CalledProcessError): - raise - - -def monitor_key_delete(service, key): - """ - Delete a key and value pair from the monitor cluster - :param service: six.string_types. The Ceph user name to run the command under - Deletes a key value pair on the monitor cluster. - :param key: six.string_types. The key to delete. - """ - try: - check_output( - ['ceph', '--id', service, - 'config-key', 'del', str(key)]) - except CalledProcessError as e: - log("Monitor config-key put failed with message: {}".format( - e.output)) - raise - - -def monitor_key_set(service, key, value): - """ - Sets a key value pair on the monitor cluster. - :param service: six.string_types. The Ceph user name to run the command under - :param key: six.string_types. The key to set. - :param value: The value to set. This will be converted to a string - before setting - """ - try: - check_output( - ['ceph', '--id', service, - 'config-key', 'put', str(key), str(value)]) - except CalledProcessError as e: - log("Monitor config-key put failed with message: {}".format( - e.output)) - raise - - -def monitor_key_get(service, key): - """ - Gets the value of an existing key in the monitor cluster. - :param service: six.string_types. The Ceph user name to run the command under - :param key: six.string_types. The key to search for. - :return: Returns the value of that key or None if not found. - """ - try: - output = check_output( - ['ceph', '--id', service, - 'config-key', 'get', str(key)]) - return output - except CalledProcessError as e: - log("Monitor config-key get failed with message: {}".format( - e.output)) - return None - - -def monitor_key_exists(service, key): - """ - Searches for the existence of a key in the monitor cluster. - :param service: six.string_types. The Ceph user name to run the command under - :param key: six.string_types. The key to search for - :return: Returns True if the key exists, False if not and raises an - exception if an unknown error occurs. :raise: CalledProcessError if - an unknown error occurs - """ - try: - check_call( - ['ceph', '--id', service, - 'config-key', 'exists', str(key)]) - # I can return true here regardless because Ceph returns - # ENOENT if the key wasn't found - return True - except CalledProcessError as e: - if e.returncode == errno.ENOENT: - return False - else: - log("Unknown error from ceph config-get exists: {} {}".format( - e.returncode, e.output)) - raise - - -def get_erasure_profile(service, name): - """ - :param service: six.string_types. The Ceph user name to run the command under - :param name: - :return: - """ - try: - out = check_output(['ceph', '--id', service, - 'osd', 'erasure-code-profile', 'get', - name, '--format=json']) - return json.loads(out) - except (CalledProcessError, OSError, ValueError): - return None - - -def pool_set(service, pool_name, key, value): - """ - Sets a value for a RADOS pool in ceph. - :param service: six.string_types. The Ceph user name to run the command under - :param pool_name: six.string_types - :param key: six.string_types - :param value: - :return: None. Can raise CalledProcessError - """ - cmd = ['ceph', '--id', service, 'osd', 'pool', 'set', pool_name, key, value] - try: - check_call(cmd) - except CalledProcessError: - raise - - -def snapshot_pool(service, pool_name, snapshot_name): - """ - Snapshots a RADOS pool in ceph. - :param service: six.string_types. The Ceph user name to run the command under - :param pool_name: six.string_types - :param snapshot_name: six.string_types - :return: None. Can raise CalledProcessError - """ - cmd = ['ceph', '--id', service, 'osd', 'pool', 'mksnap', pool_name, snapshot_name] - try: - check_call(cmd) - except CalledProcessError: - raise - - -def remove_pool_snapshot(service, pool_name, snapshot_name): - """ - Remove a snapshot from a RADOS pool in ceph. - :param service: six.string_types. The Ceph user name to run the command under - :param pool_name: six.string_types - :param snapshot_name: six.string_types - :return: None. Can raise CalledProcessError - """ - cmd = ['ceph', '--id', service, 'osd', 'pool', 'rmsnap', pool_name, snapshot_name] - try: - check_call(cmd) - except CalledProcessError: - raise - - -# max_bytes should be an int or long -def set_pool_quota(service, pool_name, max_bytes): - """ - :param service: six.string_types. The Ceph user name to run the command under - :param pool_name: six.string_types - :param max_bytes: int or long - :return: None. Can raise CalledProcessError - """ - # Set a byte quota on a RADOS pool in ceph. - cmd = ['ceph', '--id', service, 'osd', 'pool', 'set-quota', pool_name, - 'max_bytes', str(max_bytes)] - try: - check_call(cmd) - except CalledProcessError: - raise - - -def remove_pool_quota(service, pool_name): - """ - Set a byte quota on a RADOS pool in ceph. - :param service: six.string_types. The Ceph user name to run the command under - :param pool_name: six.string_types - :return: None. Can raise CalledProcessError - """ - cmd = ['ceph', '--id', service, 'osd', 'pool', 'set-quota', pool_name, 'max_bytes', '0'] - try: - check_call(cmd) - except CalledProcessError: - raise - - -def remove_erasure_profile(service, profile_name): - """ - Create a new erasure code profile if one does not already exist for it. Updates - the profile if it exists. Please see http://docs.ceph.com/docs/master/rados/operations/erasure-code-profile/ - for more details - :param service: six.string_types. The Ceph user name to run the command under - :param profile_name: six.string_types - :return: None. Can raise CalledProcessError - """ - cmd = ['ceph', '--id', service, 'osd', 'erasure-code-profile', 'rm', - profile_name] - try: - check_call(cmd) - except CalledProcessError: - raise - - -def create_erasure_profile(service, profile_name, erasure_plugin_name='jerasure', - failure_domain='host', - data_chunks=2, coding_chunks=1, - locality=None, durability_estimator=None): - """ - Create a new erasure code profile if one does not already exist for it. Updates - the profile if it exists. Please see http://docs.ceph.com/docs/master/rados/operations/erasure-code-profile/ - for more details - :param service: six.string_types. The Ceph user name to run the command under - :param profile_name: six.string_types - :param erasure_plugin_name: six.string_types - :param failure_domain: six.string_types. One of ['chassis', 'datacenter', 'host', 'osd', 'pdu', 'pod', 'rack', 'region', - 'room', 'root', 'row']) - :param data_chunks: int - :param coding_chunks: int - :param locality: int - :param durability_estimator: int - :return: None. Can raise CalledProcessError - """ - # Ensure this failure_domain is allowed by Ceph - validator(failure_domain, six.string_types, - ['chassis', 'datacenter', 'host', 'osd', 'pdu', 'pod', 'rack', 'region', 'room', 'root', 'row']) - - cmd = ['ceph', '--id', service, 'osd', 'erasure-code-profile', 'set', profile_name, - 'plugin=' + erasure_plugin_name, 'k=' + str(data_chunks), 'm=' + str(coding_chunks), - 'ruleset_failure_domain=' + failure_domain] - if locality is not None and durability_estimator is not None: - raise ValueError("create_erasure_profile should be called with k, m and one of l or c but not both.") - - # Add plugin specific information - if locality is not None: - # For local erasure codes - cmd.append('l=' + str(locality)) - if durability_estimator is not None: - # For Shec erasure codes - cmd.append('c=' + str(durability_estimator)) - - if erasure_profile_exists(service, profile_name): - cmd.append('--force') - - try: - check_call(cmd) - except CalledProcessError: - raise - - -def rename_pool(service, old_name, new_name): - """ - Rename a Ceph pool from old_name to new_name - :param service: six.string_types. The Ceph user name to run the command under - :param old_name: six.string_types - :param new_name: six.string_types - :return: None - """ - validator(value=old_name, valid_type=six.string_types) - validator(value=new_name, valid_type=six.string_types) - - cmd = ['ceph', '--id', service, 'osd', 'pool', 'rename', old_name, new_name] - check_call(cmd) - - -def erasure_profile_exists(service, name): - """ - Check to see if an Erasure code profile already exists. - :param service: six.string_types. The Ceph user name to run the command under - :param name: six.string_types - :return: int or None - """ - validator(value=name, valid_type=six.string_types) - try: - check_call(['ceph', '--id', service, - 'osd', 'erasure-code-profile', 'get', - name]) - return True - except CalledProcessError: - return False - - -def get_cache_mode(service, pool_name): - """ - Find the current caching mode of the pool_name given. - :param service: six.string_types. The Ceph user name to run the command under - :param pool_name: six.string_types - :return: int or None - """ - validator(value=service, valid_type=six.string_types) - validator(value=pool_name, valid_type=six.string_types) - out = check_output(['ceph', '--id', service, 'osd', 'dump', '--format=json']) - try: - osd_json = json.loads(out) - for pool in osd_json['pools']: - if pool['pool_name'] == pool_name: - return pool['cache_mode'] - return None - except ValueError: - raise - - -def pool_exists(service, name): - """Check to see if a RADOS pool already exists.""" - try: - out = check_output(['rados', '--id', service, - 'lspools']).decode('UTF-8') - except CalledProcessError: - return False - - return name in out.split() - - -def get_osds(service): - """Return a list of all Ceph Object Storage Daemons currently in the - cluster. - """ - version = ceph_version() - if version and version >= '0.56': - return json.loads(check_output(['ceph', '--id', service, - 'osd', 'ls', - '--format=json']).decode('UTF-8')) - - return None - - -def install(): - """Basic Ceph client installation.""" - ceph_dir = "/etc/ceph" - if not os.path.exists(ceph_dir): - os.mkdir(ceph_dir) - - apt_install('ceph-common', fatal=True) - - -def rbd_exists(service, pool, rbd_img): - """Check to see if a RADOS block device exists.""" - try: - out = check_output(['rbd', 'list', '--id', - service, '--pool', pool]).decode('UTF-8') - except CalledProcessError: - return False - - return rbd_img in out - - -def create_rbd_image(service, pool, image, sizemb): - """Create a new RADOS block device.""" - cmd = ['rbd', 'create', image, '--size', str(sizemb), '--id', service, - '--pool', pool] - check_call(cmd) - - -def update_pool(client, pool, settings): - cmd = ['ceph', '--id', client, 'osd', 'pool', 'set', pool] - for k, v in six.iteritems(settings): - cmd.append(k) - cmd.append(v) - - check_call(cmd) - - -def create_pool(service, name, replicas=3, pg_num=None): - """Create a new RADOS pool.""" - if pool_exists(service, name): - log("Ceph pool {} already exists, skipping creation".format(name), - level=WARNING) - return - - if not pg_num: - # Calculate the number of placement groups based - # on upstream recommended best practices. - osds = get_osds(service) - if osds: - pg_num = (len(osds) * 100 // replicas) - else: - # NOTE(james-page): Default to 200 for older ceph versions - # which don't support OSD query from cli - pg_num = 200 - - cmd = ['ceph', '--id', service, 'osd', 'pool', 'create', name, str(pg_num)] - check_call(cmd) - - update_pool(service, name, settings={'size': str(replicas)}) - - -def delete_pool(service, name): - """Delete a RADOS pool from ceph.""" - cmd = ['ceph', '--id', service, 'osd', 'pool', 'delete', name, - '--yes-i-really-really-mean-it'] - check_call(cmd) - - -def _keyfile_path(service): - return KEYFILE.format(service) - - -def _keyring_path(service): - return KEYRING.format(service) - - -def create_keyring(service, key): - """Create a new Ceph keyring containing key.""" - keyring = _keyring_path(service) - if os.path.exists(keyring): - log('Ceph keyring exists at %s.' % keyring, level=WARNING) - return - - cmd = ['ceph-authtool', keyring, '--create-keyring', - '--name=client.{}'.format(service), '--add-key={}'.format(key)] - check_call(cmd) - log('Created new ceph keyring at %s.' % keyring, level=DEBUG) - - -def delete_keyring(service): - """Delete an existing Ceph keyring.""" - keyring = _keyring_path(service) - if not os.path.exists(keyring): - log('Keyring does not exist at %s' % keyring, level=WARNING) - return - - os.remove(keyring) - log('Deleted ring at %s.' % keyring, level=INFO) - - -def create_key_file(service, key): - """Create a file containing key.""" - keyfile = _keyfile_path(service) - if os.path.exists(keyfile): - log('Keyfile exists at %s.' % keyfile, level=WARNING) - return - - with open(keyfile, 'w') as fd: - fd.write(key) - - log('Created new keyfile at %s.' % keyfile, level=INFO) - - -def get_ceph_nodes(relation='ceph'): - """Query named relation to determine current nodes.""" - hosts = [] - for r_id in relation_ids(relation): - for unit in related_units(r_id): - hosts.append(relation_get('private-address', unit=unit, rid=r_id)) - - return hosts - - -def configure(service, key, auth, use_syslog): - """Perform basic configuration of Ceph.""" - create_keyring(service, key) - create_key_file(service, key) - hosts = get_ceph_nodes() - with open('/etc/ceph/ceph.conf', 'w') as ceph_conf: - ceph_conf.write(CEPH_CONF.format(auth=auth, - keyring=_keyring_path(service), - mon_hosts=",".join(map(str, hosts)), - use_syslog=use_syslog)) - modprobe('rbd') - - -def image_mapped(name): - """Determine whether a RADOS block device is mapped locally.""" - try: - out = check_output(['rbd', 'showmapped']).decode('UTF-8') - except CalledProcessError: - return False - - return name in out - - -def map_block_storage(service, pool, image): - """Map a RADOS block device for local use.""" - cmd = [ - 'rbd', - 'map', - '{}/{}'.format(pool, image), - '--user', - service, - '--secret', - _keyfile_path(service), - ] - check_call(cmd) - - -def filesystem_mounted(fs): - """Determine whether a filesytems is already mounted.""" - return fs in [f for f, m in mounts()] - - -def make_filesystem(blk_device, fstype='ext4', timeout=10): - """Make a new filesystem on the specified block device.""" - count = 0 - e_noent = os.errno.ENOENT - while not os.path.exists(blk_device): - if count >= timeout: - log('Gave up waiting on block device %s' % blk_device, - level=ERROR) - raise IOError(e_noent, os.strerror(e_noent), blk_device) - - log('Waiting for block device %s to appear' % blk_device, - level=DEBUG) - count += 1 - time.sleep(1) - else: - log('Formatting block device %s as filesystem %s.' % - (blk_device, fstype), level=INFO) - check_call(['mkfs', '-t', fstype, blk_device]) - - -def place_data_on_block_device(blk_device, data_src_dst): - """Migrate data in data_src_dst to blk_device and then remount.""" - # mount block device into /mnt - mount(blk_device, '/mnt') - # copy data to /mnt - copy_files(data_src_dst, '/mnt') - # umount block device - umount('/mnt') - # Grab user/group ID's from original source - _dir = os.stat(data_src_dst) - uid = _dir.st_uid - gid = _dir.st_gid - # re-mount where the data should originally be - # TODO: persist is currently a NO-OP in core.host - mount(blk_device, data_src_dst, persist=True) - # ensure original ownership of new mount. - os.chown(data_src_dst, uid, gid) - - -def copy_files(src, dst, symlinks=False, ignore=None): - """Copy files from src to dst.""" - for item in os.listdir(src): - s = os.path.join(src, item) - d = os.path.join(dst, item) - if os.path.isdir(s): - shutil.copytree(s, d, symlinks, ignore) - else: - shutil.copy2(s, d) - - -def ensure_ceph_storage(service, pool, rbd_img, sizemb, mount_point, - blk_device, fstype, system_services=[], - replicas=3): - """NOTE: This function must only be called from a single service unit for - the same rbd_img otherwise data loss will occur. - - Ensures given pool and RBD image exists, is mapped to a block device, - and the device is formatted and mounted at the given mount_point. - - If formatting a device for the first time, data existing at mount_point - will be migrated to the RBD device before being re-mounted. - - All services listed in system_services will be stopped prior to data - migration and restarted when complete. - """ - # Ensure pool, RBD image, RBD mappings are in place. - if not pool_exists(service, pool): - log('Creating new pool {}.'.format(pool), level=INFO) - create_pool(service, pool, replicas=replicas) - - if not rbd_exists(service, pool, rbd_img): - log('Creating RBD image ({}).'.format(rbd_img), level=INFO) - create_rbd_image(service, pool, rbd_img, sizemb) - - if not image_mapped(rbd_img): - log('Mapping RBD Image {} as a Block Device.'.format(rbd_img), - level=INFO) - map_block_storage(service, pool, rbd_img) - - # make file system - # TODO: What happens if for whatever reason this is run again and - # the data is already in the rbd device and/or is mounted?? - # When it is mounted already, it will fail to make the fs - # XXX: This is really sketchy! Need to at least add an fstab entry - # otherwise this hook will blow away existing data if its executed - # after a reboot. - if not filesystem_mounted(mount_point): - make_filesystem(blk_device, fstype) - - for svc in system_services: - if service_running(svc): - log('Stopping services {} prior to migrating data.' - .format(svc), level=DEBUG) - service_stop(svc) - - place_data_on_block_device(blk_device, mount_point) - - for svc in system_services: - log('Starting service {} after migrating data.' - .format(svc), level=DEBUG) - service_start(svc) - - -def ensure_ceph_keyring(service, user=None, group=None, relation='ceph'): - """Ensures a ceph keyring is created for a named service and optionally - ensures user and group ownership. - - Returns False if no ceph key is available in relation state. - """ - key = None - for rid in relation_ids(relation): - for unit in related_units(rid): - key = relation_get('key', rid=rid, unit=unit) - if key: - break - - if not key: - return False - - create_keyring(service=service, key=key) - keyring = _keyring_path(service) - if user and group: - check_call(['chown', '%s.%s' % (user, group), keyring]) - - return True - - -def ceph_version(): - """Retrieve the local version of ceph.""" - if os.path.exists('/usr/bin/ceph'): - cmd = ['ceph', '-v'] - output = check_output(cmd).decode('US-ASCII') - output = output.split() - if len(output) > 3: - return output[2] - else: - return None - else: - return None - - -class CephBrokerRq(object): - """Ceph broker request. - - Multiple operations can be added to a request and sent to the Ceph broker - to be executed. - - Request is json-encoded for sending over the wire. - - The API is versioned and defaults to version 1. - """ - - def __init__(self, api_version=1, request_id=None): - self.api_version = api_version - if request_id: - self.request_id = request_id - else: - self.request_id = str(uuid.uuid1()) - self.ops = [] - - def add_op_create_pool(self, name, replica_count=3, pg_num=None, - weight=None): - """Adds an operation to create a pool. - - @param pg_num setting: optional setting. If not provided, this value - will be calculated by the broker based on how many OSDs are in the - cluster at the time of creation. Note that, if provided, this value - will be capped at the current available maximum. - @param weight: the percentage of data the pool makes up - """ - if pg_num and weight: - raise ValueError('pg_num and weight are mutually exclusive') - - self.ops.append({'op': 'create-pool', 'name': name, - 'replicas': replica_count, 'pg_num': pg_num, - 'weight': weight}) - - def set_ops(self, ops): - """Set request ops to provided value. - - Useful for injecting ops that come from a previous request - to allow comparisons to ensure validity. - """ - self.ops = ops - - @property - def request(self): - return json.dumps({'api-version': self.api_version, 'ops': self.ops, - 'request-id': self.request_id}) - - def _ops_equal(self, other): - if len(self.ops) == len(other.ops): - for req_no in range(0, len(self.ops)): - for key in ['replicas', 'name', 'op', 'pg_num', 'weight']: - if self.ops[req_no].get(key) != other.ops[req_no].get(key): - return False - else: - return False - return True - - def __eq__(self, other): - if not isinstance(other, self.__class__): - return False - if self.api_version == other.api_version and \ - self._ops_equal(other): - return True - else: - return False - - def __ne__(self, other): - return not self.__eq__(other) - - -class CephBrokerRsp(object): - """Ceph broker response. - - Response is json-decoded and contents provided as methods/properties. - - The API is versioned and defaults to version 1. - """ - - def __init__(self, encoded_rsp): - self.api_version = None - self.rsp = json.loads(encoded_rsp) - - @property - def request_id(self): - return self.rsp.get('request-id') - - @property - def exit_code(self): - return self.rsp.get('exit-code') - - @property - def exit_msg(self): - return self.rsp.get('stderr') - - -# Ceph Broker Conversation: -# If a charm needs an action to be taken by ceph it can create a CephBrokerRq -# and send that request to ceph via the ceph relation. The CephBrokerRq has a -# unique id so that the client can identity which CephBrokerRsp is associated -# with the request. Ceph will also respond to each client unit individually -# creating a response key per client unit eg glance/0 will get a CephBrokerRsp -# via key broker-rsp-glance-0 -# -# To use this the charm can just do something like: -# -# from charmhelpers.contrib.storage.linux.ceph import ( -# send_request_if_needed, -# is_request_complete, -# CephBrokerRq, -# ) -# -# @hooks.hook('ceph-relation-changed') -# def ceph_changed(): -# rq = CephBrokerRq() -# rq.add_op_create_pool(name='poolname', replica_count=3) -# -# if is_request_complete(rq): -# <Request complete actions> -# else: -# send_request_if_needed(get_ceph_request()) -# -# CephBrokerRq and CephBrokerRsp are serialized into JSON. Below is an example -# of glance having sent a request to ceph which ceph has successfully processed -# 'ceph:8': { -# 'ceph/0': { -# 'auth': 'cephx', -# 'broker-rsp-glance-0': '{"request-id": "0bc7dc54", "exit-code": 0}', -# 'broker_rsp': '{"request-id": "0da543b8", "exit-code": 0}', -# 'ceph-public-address': '10.5.44.103', -# 'key': 'AQCLDttVuHXINhAAvI144CB09dYchhHyTUY9BQ==', -# 'private-address': '10.5.44.103', -# }, -# 'glance/0': { -# 'broker_req': ('{"api-version": 1, "request-id": "0bc7dc54", ' -# '"ops": [{"replicas": 3, "name": "glance", ' -# '"op": "create-pool"}]}'), -# 'private-address': '10.5.44.109', -# }, -# } - -def get_previous_request(rid): - """Return the last ceph broker request sent on a given relation - - @param rid: Relation id to query for request - """ - request = None - broker_req = relation_get(attribute='broker_req', rid=rid, - unit=local_unit()) - if broker_req: - request_data = json.loads(broker_req) - request = CephBrokerRq(api_version=request_data['api-version'], - request_id=request_data['request-id']) - request.set_ops(request_data['ops']) - - return request - - -def get_request_states(request, relation='ceph'): - """Return a dict of requests per relation id with their corresponding - completion state. - - This allows a charm, which has a request for ceph, to see whether there is - an equivalent request already being processed and if so what state that - request is in. - - @param request: A CephBrokerRq object - """ - complete = [] - requests = {} - for rid in relation_ids(relation): - complete = False - previous_request = get_previous_request(rid) - if request == previous_request: - sent = True - complete = is_request_complete_for_rid(previous_request, rid) - else: - sent = False - complete = False - - requests[rid] = { - 'sent': sent, - 'complete': complete, - } - - return requests - - -def is_request_sent(request, relation='ceph'): - """Check to see if a functionally equivalent request has already been sent - - Returns True if a similair request has been sent - - @param request: A CephBrokerRq object - """ - states = get_request_states(request, relation=relation) - for rid in states.keys(): - if not states[rid]['sent']: - return False - - return True - - -def is_request_complete(request, relation='ceph'): - """Check to see if a functionally equivalent request has already been - completed - - Returns True if a similair request has been completed - - @param request: A CephBrokerRq object - """ - states = get_request_states(request, relation=relation) - for rid in states.keys(): - if not states[rid]['complete']: - return False - - return True - - -def is_request_complete_for_rid(request, rid): - """Check if a given request has been completed on the given relation - - @param request: A CephBrokerRq object - @param rid: Relation ID - """ - broker_key = get_broker_rsp_key() - for unit in related_units(rid): - rdata = relation_get(rid=rid, unit=unit) - if rdata.get(broker_key): - rsp = CephBrokerRsp(rdata.get(broker_key)) - if rsp.request_id == request.request_id: - if not rsp.exit_code: - return True - else: - # The remote unit sent no reply targeted at this unit so either the - # remote ceph cluster does not support unit targeted replies or it - # has not processed our request yet. - if rdata.get('broker_rsp'): - request_data = json.loads(rdata['broker_rsp']) - if request_data.get('request-id'): - log('Ignoring legacy broker_rsp without unit key as remote ' - 'service supports unit specific replies', level=DEBUG) - else: - log('Using legacy broker_rsp as remote service does not ' - 'supports unit specific replies', level=DEBUG) - rsp = CephBrokerRsp(rdata['broker_rsp']) - if not rsp.exit_code: - return True - - return False - - -def get_broker_rsp_key(): - """Return broker response key for this unit - - This is the key that ceph is going to use to pass request status - information back to this unit - """ - return 'broker-rsp-' + local_unit().replace('/', '-') - - -def send_request_if_needed(request, relation='ceph'): - """Send broker request if an equivalent request has not already been sent - - @param request: A CephBrokerRq object - """ - if is_request_sent(request, relation=relation): - log('Request already sent but not complete, not sending new request', - level=DEBUG) - else: - for rid in relation_ids(relation): - log('Sending request {}'.format(request.request_id), level=DEBUG) - relation_set(relation_id=rid, broker_req=request.request) - - -class CephConfContext(object): - """Ceph config (ceph.conf) context. - - Supports user-provided Ceph configuration settings. Use can provide a - dictionary as the value for the config-flags charm option containing - Ceph configuration settings keyede by their section in ceph.conf. - """ - def __init__(self, permitted_sections=None): - self.permitted_sections = permitted_sections or [] - - def __call__(self): - conf = config('config-flags') - if not conf: - return {} - - conf = config_flags_parser(conf) - if type(conf) != dict: - log("Provided config-flags is not a dictionary - ignoring", - level=WARNING) - return {} - - permitted = self.permitted_sections - if permitted: - diff = set(conf.keys()).difference(set(permitted)) - if diff: - log("Config-flags contains invalid keys '%s' - they will be " - "ignored" % (', '.join(diff)), level=WARNING) - - ceph_conf = {} - for key in conf: - if permitted and key not in permitted: - log("Ignoring key '%s'" % key, level=WARNING) - continue - - ceph_conf[key] = conf[key] - - return ceph_conf diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/loopback.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/loopback.py deleted file mode 100644 index 1d6ae6f..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/loopback.py +++ /dev/null @@ -1,86 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import re -from subprocess import ( - check_call, - check_output, -) - -import six - - -################################################## -# loopback device helpers. -################################################## -def loopback_devices(): - ''' - Parse through 'losetup -a' output to determine currently mapped - loopback devices. Output is expected to look like: - - /dev/loop0: [0807]:961814 (/tmp/my.img) - - :returns: dict: a dict mapping {loopback_dev: backing_file} - ''' - loopbacks = {} - cmd = ['losetup', '-a'] - devs = [d.strip().split(' ') for d in - check_output(cmd).splitlines() if d != ''] - for dev, _, f in devs: - loopbacks[dev.replace(':', '')] = re.search('\((\S+)\)', f).groups()[0] - return loopbacks - - -def create_loopback(file_path): - ''' - Create a loopback device for a given backing file. - - :returns: str: Full path to new loopback device (eg, /dev/loop0) - ''' - file_path = os.path.abspath(file_path) - check_call(['losetup', '--find', file_path]) - for d, f in six.iteritems(loopback_devices()): - if f == file_path: - return d - - -def ensure_loopback_device(path, size): - ''' - Ensure a loopback device exists for a given backing file path and size. - If it a loopback device is not mapped to file, a new one will be created. - - TODO: Confirm size of found loopback device. - - :returns: str: Full path to the ensured loopback device (eg, /dev/loop0) - ''' - for d, f in six.iteritems(loopback_devices()): - if f == path: - return d - - if not os.path.exists(path): - cmd = ['truncate', '--size', size, path] - check_call(cmd) - - return create_loopback(path) - - -def is_mapped_loopback_device(device): - """ - Checks if a given device name is an existing/mapped loopback device. - :param device: str: Full path to the device (eg, /dev/loop1). - :returns: str: Path to the backing file if is a loopback device - empty string otherwise - """ - return loopback_devices().get(device, "") diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py deleted file mode 100644 index 4719f53..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/lvm.py +++ /dev/null @@ -1,103 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from subprocess import ( - CalledProcessError, - check_call, - check_output, - Popen, - PIPE, -) - - -################################################## -# LVM helpers. -################################################## -def deactivate_lvm_volume_group(block_device): - ''' - Deactivate any volume gruop associated with an LVM physical volume. - - :param block_device: str: Full path to LVM physical volume - ''' - vg = list_lvm_volume_group(block_device) - if vg: - cmd = ['vgchange', '-an', vg] - check_call(cmd) - - -def is_lvm_physical_volume(block_device): - ''' - Determine whether a block device is initialized as an LVM PV. - - :param block_device: str: Full path of block device to inspect. - - :returns: boolean: True if block device is a PV, False if not. - ''' - try: - check_output(['pvdisplay', block_device]) - return True - except CalledProcessError: - return False - - -def remove_lvm_physical_volume(block_device): - ''' - Remove LVM PV signatures from a given block device. - - :param block_device: str: Full path of block device to scrub. - ''' - p = Popen(['pvremove', '-ff', block_device], - stdin=PIPE) - p.communicate(input='y\n') - - -def list_lvm_volume_group(block_device): - ''' - List LVM volume group associated with a given block device. - - Assumes block device is a valid LVM PV. - - :param block_device: str: Full path of block device to inspect. - - :returns: str: Name of volume group associated with block device or None - ''' - vg = None - pvd = check_output(['pvdisplay', block_device]).splitlines() - for l in pvd: - l = l.decode('UTF-8') - if l.strip().startswith('VG Name'): - vg = ' '.join(l.strip().split()[2:]) - return vg - - -def create_lvm_physical_volume(block_device): - ''' - Initialize a block device as an LVM physical volume. - - :param block_device: str: Full path of block device to initialize. - - ''' - check_call(['pvcreate', block_device]) - - -def create_lvm_volume_group(volume_group, block_device): - ''' - Create an LVM volume group backed by a given block device. - - Assumes block device has already been initialized as an LVM PV. - - :param volume_group: str: Name of volume group to create. - :block_device: str: Full path of PV-initialized block device. - ''' - check_call(['vgcreate', volume_group, block_device]) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/utils.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/utils.py deleted file mode 100644 index 3dc0df6..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/storage/linux/utils.py +++ /dev/null @@ -1,69 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import re -from stat import S_ISBLK - -from subprocess import ( - check_call, - check_output, - call -) - - -def is_block_device(path): - ''' - Confirm device at path is a valid block device node. - - :returns: boolean: True if path is a block device, False if not. - ''' - if not os.path.exists(path): - return False - return S_ISBLK(os.stat(path).st_mode) - - -def zap_disk(block_device): - ''' - Clear a block device of partition table. Relies on sgdisk, which is - installed as pat of the 'gdisk' package in Ubuntu. - - :param block_device: str: Full path of block device to clean. - ''' - # https://github.com/ceph/ceph/commit/fdd7f8d83afa25c4e09aaedd90ab93f3b64a677b - # sometimes sgdisk exits non-zero; this is OK, dd will clean up - call(['sgdisk', '--zap-all', '--', block_device]) - call(['sgdisk', '--clear', '--mbrtogpt', '--', block_device]) - dev_end = check_output(['blockdev', '--getsz', - block_device]).decode('UTF-8') - gpt_end = int(dev_end.split()[0]) - 100 - check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device), - 'bs=1M', 'count=1']) - check_call(['dd', 'if=/dev/zero', 'of=%s' % (block_device), - 'bs=512', 'count=100', 'seek=%s' % (gpt_end)]) - - -def is_device_mounted(device): - '''Given a device path, return True if that device is mounted, and False - if it isn't. - - :param device: str: Full path of the device to check. - :returns: boolean: True if the path represents a mounted device, False if - it doesn't. - ''' - try: - out = check_output(['lsblk', '-P', device]).decode('UTF-8') - except: - return False - return bool(re.search(r'MOUNTPOINT=".+"', out)) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/__init__.py deleted file mode 100644 index d7567b8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/__init__.py +++ /dev/null @@ -1,13 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/decorators.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/decorators.py deleted file mode 100644 index 6ad41ee..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/decorators.py +++ /dev/null @@ -1,55 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -# -# Copyright 2014 Canonical Ltd. -# -# Authors: -# Edward Hope-Morley <opentastic@gmail.com> -# - -import time - -from charmhelpers.core.hookenv import ( - log, - INFO, -) - - -def retry_on_exception(num_retries, base_delay=0, exc_type=Exception): - """If the decorated function raises exception exc_type, allow num_retries - retry attempts before raise the exception. - """ - def _retry_on_exception_inner_1(f): - def _retry_on_exception_inner_2(*args, **kwargs): - retries = num_retries - multiplier = 1 - while True: - try: - return f(*args, **kwargs) - except exc_type: - if not retries: - raise - - delay = base_delay * multiplier - multiplier += 1 - log("Retrying '%s' %d more times (delay=%s)" % - (f.__name__, retries, delay), level=INFO) - retries -= 1 - if delay: - time.sleep(delay) - - return _retry_on_exception_inner_2 - - return _retry_on_exception_inner_1 diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/files.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/files.py deleted file mode 100644 index fdd82b7..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/files.py +++ /dev/null @@ -1,43 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -__author__ = 'Jorge Niedbalski <niedbalski@ubuntu.com>' - -import os -import subprocess - - -def sed(filename, before, after, flags='g'): - """ - Search and replaces the given pattern on filename. - - :param filename: relative or absolute file path. - :param before: expression to be replaced (see 'man sed') - :param after: expression to replace with (see 'man sed') - :param flags: sed-compatible regex flags in example, to make - the search and replace case insensitive, specify ``flags="i"``. - The ``g`` flag is always specified regardless, so you do not - need to remember to include it when overriding this parameter. - :returns: If the sed command exit code was zero then return, - otherwise raise CalledProcessError. - """ - expression = r's/{0}/{1}/{2}'.format(before, - after, flags) - - return subprocess.check_call(["sed", "-i", "-r", "-e", - expression, - os.path.expanduser(filename)]) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/fstab.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/fstab.py deleted file mode 100644 index d9fa915..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/fstab.py +++ /dev/null @@ -1,132 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import io -import os - -__author__ = 'Jorge Niedbalski R. <jorge.niedbalski@canonical.com>' - - -class Fstab(io.FileIO): - """This class extends file in order to implement a file reader/writer - for file `/etc/fstab` - """ - - class Entry(object): - """Entry class represents a non-comment line on the `/etc/fstab` file - """ - def __init__(self, device, mountpoint, filesystem, - options, d=0, p=0): - self.device = device - self.mountpoint = mountpoint - self.filesystem = filesystem - - if not options: - options = "defaults" - - self.options = options - self.d = int(d) - self.p = int(p) - - def __eq__(self, o): - return str(self) == str(o) - - def __str__(self): - return "{} {} {} {} {} {}".format(self.device, - self.mountpoint, - self.filesystem, - self.options, - self.d, - self.p) - - DEFAULT_PATH = os.path.join(os.path.sep, 'etc', 'fstab') - - def __init__(self, path=None): - if path: - self._path = path - else: - self._path = self.DEFAULT_PATH - super(Fstab, self).__init__(self._path, 'rb+') - - def _hydrate_entry(self, line): - # NOTE: use split with no arguments to split on any - # whitespace including tabs - return Fstab.Entry(*filter( - lambda x: x not in ('', None), - line.strip("\n").split())) - - @property - def entries(self): - self.seek(0) - for line in self.readlines(): - line = line.decode('us-ascii') - try: - if line.strip() and not line.strip().startswith("#"): - yield self._hydrate_entry(line) - except ValueError: - pass - - def get_entry_by_attr(self, attr, value): - for entry in self.entries: - e_attr = getattr(entry, attr) - if e_attr == value: - return entry - return None - - def add_entry(self, entry): - if self.get_entry_by_attr('device', entry.device): - return False - - self.write((str(entry) + '\n').encode('us-ascii')) - self.truncate() - return entry - - def remove_entry(self, entry): - self.seek(0) - - lines = [l.decode('us-ascii') for l in self.readlines()] - - found = False - for index, line in enumerate(lines): - if line.strip() and not line.strip().startswith("#"): - if self._hydrate_entry(line) == entry: - found = True - break - - if not found: - return False - - lines.remove(line) - - self.seek(0) - self.write(''.join(lines).encode('us-ascii')) - self.truncate() - return True - - @classmethod - def remove_by_mountpoint(cls, mountpoint, path=None): - fstab = cls(path=path) - entry = fstab.get_entry_by_attr('mountpoint', mountpoint) - if entry: - return fstab.remove_entry(entry) - return False - - @classmethod - def add(cls, device, mountpoint, filesystem, options=None, path=None): - return cls(path=path).add_entry(Fstab.Entry(device, - mountpoint, filesystem, - options=options)) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/hookenv.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/hookenv.py deleted file mode 100644 index 48b2b9d..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/hookenv.py +++ /dev/null @@ -1,1007 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"Interactions with the Juju environment" -# Copyright 2013 Canonical Ltd. -# -# Authors: -# Charm Helpers Developers <juju@lists.ubuntu.com> - -from __future__ import print_function -import copy -from distutils.version import LooseVersion -from functools import wraps -import glob -import os -import json -import yaml -import subprocess -import sys -import errno -import tempfile -from subprocess import CalledProcessError - -import six -if not six.PY3: - from UserDict import UserDict -else: - from collections import UserDict - -CRITICAL = "CRITICAL" -ERROR = "ERROR" -WARNING = "WARNING" -INFO = "INFO" -DEBUG = "DEBUG" -MARKER = object() - -cache = {} - - -def cached(func): - """Cache return values for multiple executions of func + args - - For example:: - - @cached - def unit_get(attribute): - pass - - unit_get('test') - - will cache the result of unit_get + 'test' for future calls. - """ - @wraps(func) - def wrapper(*args, **kwargs): - global cache - key = str((func, args, kwargs)) - try: - return cache[key] - except KeyError: - pass # Drop out of the exception handler scope. - res = func(*args, **kwargs) - cache[key] = res - return res - wrapper._wrapped = func - return wrapper - - -def flush(key): - """Flushes any entries from function cache where the - key is found in the function+args """ - flush_list = [] - for item in cache: - if key in item: - flush_list.append(item) - for item in flush_list: - del cache[item] - - -def log(message, level=None): - """Write a message to the juju log""" - command = ['juju-log'] - if level: - command += ['-l', level] - if not isinstance(message, six.string_types): - message = repr(message) - command += [message] - # Missing juju-log should not cause failures in unit tests - # Send log output to stderr - try: - subprocess.call(command) - except OSError as e: - if e.errno == errno.ENOENT: - if level: - message = "{}: {}".format(level, message) - message = "juju-log: {}".format(message) - print(message, file=sys.stderr) - else: - raise - - -class Serializable(UserDict): - """Wrapper, an object that can be serialized to yaml or json""" - - def __init__(self, obj): - # wrap the object - UserDict.__init__(self) - self.data = obj - - def __getattr__(self, attr): - # See if this object has attribute. - if attr in ("json", "yaml", "data"): - return self.__dict__[attr] - # Check for attribute in wrapped object. - got = getattr(self.data, attr, MARKER) - if got is not MARKER: - return got - # Proxy to the wrapped object via dict interface. - try: - return self.data[attr] - except KeyError: - raise AttributeError(attr) - - def __getstate__(self): - # Pickle as a standard dictionary. - return self.data - - def __setstate__(self, state): - # Unpickle into our wrapper. - self.data = state - - def json(self): - """Serialize the object to json""" - return json.dumps(self.data) - - def yaml(self): - """Serialize the object to yaml""" - return yaml.dump(self.data) - - -def execution_environment(): - """A convenient bundling of the current execution context""" - context = {} - context['conf'] = config() - if relation_id(): - context['reltype'] = relation_type() - context['relid'] = relation_id() - context['rel'] = relation_get() - context['unit'] = local_unit() - context['rels'] = relations() - context['env'] = os.environ - return context - - -def in_relation_hook(): - """Determine whether we're running in a relation hook""" - return 'JUJU_RELATION' in os.environ - - -def relation_type(): - """The scope for the current relation hook""" - return os.environ.get('JUJU_RELATION', None) - - -@cached -def relation_id(relation_name=None, service_or_unit=None): - """The relation ID for the current or a specified relation""" - if not relation_name and not service_or_unit: - return os.environ.get('JUJU_RELATION_ID', None) - elif relation_name and service_or_unit: - service_name = service_or_unit.split('/')[0] - for relid in relation_ids(relation_name): - remote_service = remote_service_name(relid) - if remote_service == service_name: - return relid - else: - raise ValueError('Must specify neither or both of relation_name and service_or_unit') - - -def local_unit(): - """Local unit ID""" - return os.environ['JUJU_UNIT_NAME'] - - -def remote_unit(): - """The remote unit for the current relation hook""" - return os.environ.get('JUJU_REMOTE_UNIT', None) - - -def service_name(): - """The name service group this unit belongs to""" - return local_unit().split('/')[0] - - -@cached -def remote_service_name(relid=None): - """The remote service name for a given relation-id (or the current relation)""" - if relid is None: - unit = remote_unit() - else: - units = related_units(relid) - unit = units[0] if units else None - return unit.split('/')[0] if unit else None - - -def hook_name(): - """The name of the currently executing hook""" - return os.environ.get('JUJU_HOOK_NAME', os.path.basename(sys.argv[0])) - - -class Config(dict): - """A dictionary representation of the charm's config.yaml, with some - extra features: - - - See which values in the dictionary have changed since the previous hook. - - For values that have changed, see what the previous value was. - - Store arbitrary data for use in a later hook. - - NOTE: Do not instantiate this object directly - instead call - ``hookenv.config()``, which will return an instance of :class:`Config`. - - Example usage:: - - >>> # inside a hook - >>> from charmhelpers.core import hookenv - >>> config = hookenv.config() - >>> config['foo'] - 'bar' - >>> # store a new key/value for later use - >>> config['mykey'] = 'myval' - - - >>> # user runs `juju set mycharm foo=baz` - >>> # now we're inside subsequent config-changed hook - >>> config = hookenv.config() - >>> config['foo'] - 'baz' - >>> # test to see if this val has changed since last hook - >>> config.changed('foo') - True - >>> # what was the previous value? - >>> config.previous('foo') - 'bar' - >>> # keys/values that we add are preserved across hooks - >>> config['mykey'] - 'myval' - - """ - CONFIG_FILE_NAME = '.juju-persistent-config' - - def __init__(self, *args, **kw): - super(Config, self).__init__(*args, **kw) - self.implicit_save = True - self._prev_dict = None - self.path = os.path.join(charm_dir(), Config.CONFIG_FILE_NAME) - if os.path.exists(self.path): - self.load_previous() - atexit(self._implicit_save) - - def load_previous(self, path=None): - """Load previous copy of config from disk. - - In normal usage you don't need to call this method directly - it - is called automatically at object initialization. - - :param path: - - File path from which to load the previous config. If `None`, - config is loaded from the default location. If `path` is - specified, subsequent `save()` calls will write to the same - path. - - """ - self.path = path or self.path - with open(self.path) as f: - self._prev_dict = json.load(f) - for k, v in copy.deepcopy(self._prev_dict).items(): - if k not in self: - self[k] = v - - def changed(self, key): - """Return True if the current value for this key is different from - the previous value. - - """ - if self._prev_dict is None: - return True - return self.previous(key) != self.get(key) - - def previous(self, key): - """Return previous value for this key, or None if there - is no previous value. - - """ - if self._prev_dict: - return self._prev_dict.get(key) - return None - - def save(self): - """Save this config to disk. - - If the charm is using the :mod:`Services Framework <services.base>` - or :meth:'@hook <Hooks.hook>' decorator, this - is called automatically at the end of successful hook execution. - Otherwise, it should be called directly by user code. - - To disable automatic saves, set ``implicit_save=False`` on this - instance. - - """ - with open(self.path, 'w') as f: - json.dump(self, f) - - def _implicit_save(self): - if self.implicit_save: - self.save() - - -@cached -def config(scope=None): - """Juju charm configuration""" - config_cmd_line = ['config-get'] - if scope is not None: - config_cmd_line.append(scope) - config_cmd_line.append('--format=json') - try: - config_data = json.loads( - subprocess.check_output(config_cmd_line).decode('UTF-8')) - if scope is not None: - return config_data - return Config(config_data) - except ValueError: - return None - - -@cached -def relation_get(attribute=None, unit=None, rid=None): - """Get relation information""" - _args = ['relation-get', '--format=json'] - if rid: - _args.append('-r') - _args.append(rid) - _args.append(attribute or '-') - if unit: - _args.append(unit) - try: - return json.loads(subprocess.check_output(_args).decode('UTF-8')) - except ValueError: - return None - except CalledProcessError as e: - if e.returncode == 2: - return None - raise - - -def relation_set(relation_id=None, relation_settings=None, **kwargs): - """Set relation information for the current unit""" - relation_settings = relation_settings if relation_settings else {} - relation_cmd_line = ['relation-set'] - accepts_file = "--file" in subprocess.check_output( - relation_cmd_line + ["--help"], universal_newlines=True) - if relation_id is not None: - relation_cmd_line.extend(('-r', relation_id)) - settings = relation_settings.copy() - settings.update(kwargs) - for key, value in settings.items(): - # Force value to be a string: it always should, but some call - # sites pass in things like dicts or numbers. - if value is not None: - settings[key] = "{}".format(value) - if accepts_file: - # --file was introduced in Juju 1.23.2. Use it by default if - # available, since otherwise we'll break if the relation data is - # too big. Ideally we should tell relation-set to read the data from - # stdin, but that feature is broken in 1.23.2: Bug #1454678. - with tempfile.NamedTemporaryFile(delete=False) as settings_file: - settings_file.write(yaml.safe_dump(settings).encode("utf-8")) - subprocess.check_call( - relation_cmd_line + ["--file", settings_file.name]) - os.remove(settings_file.name) - else: - for key, value in settings.items(): - if value is None: - relation_cmd_line.append('{}='.format(key)) - else: - relation_cmd_line.append('{}={}'.format(key, value)) - subprocess.check_call(relation_cmd_line) - # Flush cache of any relation-gets for local unit - flush(local_unit()) - - -def relation_clear(r_id=None): - ''' Clears any relation data already set on relation r_id ''' - settings = relation_get(rid=r_id, - unit=local_unit()) - for setting in settings: - if setting not in ['public-address', 'private-address']: - settings[setting] = None - relation_set(relation_id=r_id, - **settings) - - -@cached -def relation_ids(reltype=None): - """A list of relation_ids""" - reltype = reltype or relation_type() - relid_cmd_line = ['relation-ids', '--format=json'] - if reltype is not None: - relid_cmd_line.append(reltype) - return json.loads( - subprocess.check_output(relid_cmd_line).decode('UTF-8')) or [] - return [] - - -@cached -def related_units(relid=None): - """A list of related units""" - relid = relid or relation_id() - units_cmd_line = ['relation-list', '--format=json'] - if relid is not None: - units_cmd_line.extend(('-r', relid)) - return json.loads( - subprocess.check_output(units_cmd_line).decode('UTF-8')) or [] - - -@cached -def relation_for_unit(unit=None, rid=None): - """Get the json represenation of a unit's relation""" - unit = unit or remote_unit() - relation = relation_get(unit=unit, rid=rid) - for key in relation: - if key.endswith('-list'): - relation[key] = relation[key].split() - relation['__unit__'] = unit - return relation - - -@cached -def relations_for_id(relid=None): - """Get relations of a specific relation ID""" - relation_data = [] - relid = relid or relation_ids() - for unit in related_units(relid): - unit_data = relation_for_unit(unit, relid) - unit_data['__relid__'] = relid - relation_data.append(unit_data) - return relation_data - - -@cached -def relations_of_type(reltype=None): - """Get relations of a specific type""" - relation_data = [] - reltype = reltype or relation_type() - for relid in relation_ids(reltype): - for relation in relations_for_id(relid): - relation['__relid__'] = relid - relation_data.append(relation) - return relation_data - - -@cached -def metadata(): - """Get the current charm metadata.yaml contents as a python object""" - with open(os.path.join(charm_dir(), 'metadata.yaml')) as md: - return yaml.safe_load(md) - - -@cached -def relation_types(): - """Get a list of relation types supported by this charm""" - rel_types = [] - md = metadata() - for key in ('provides', 'requires', 'peers'): - section = md.get(key) - if section: - rel_types.extend(section.keys()) - return rel_types - - -@cached -def peer_relation_id(): - '''Get the peers relation id if a peers relation has been joined, else None.''' - md = metadata() - section = md.get('peers') - if section: - for key in section: - relids = relation_ids(key) - if relids: - return relids[0] - return None - - -@cached -def relation_to_interface(relation_name): - """ - Given the name of a relation, return the interface that relation uses. - - :returns: The interface name, or ``None``. - """ - return relation_to_role_and_interface(relation_name)[1] - - -@cached -def relation_to_role_and_interface(relation_name): - """ - Given the name of a relation, return the role and the name of the interface - that relation uses (where role is one of ``provides``, ``requires``, or ``peers``). - - :returns: A tuple containing ``(role, interface)``, or ``(None, None)``. - """ - _metadata = metadata() - for role in ('provides', 'requires', 'peers'): - interface = _metadata.get(role, {}).get(relation_name, {}).get('interface') - if interface: - return role, interface - return None, None - - -@cached -def role_and_interface_to_relations(role, interface_name): - """ - Given a role and interface name, return a list of relation names for the - current charm that use that interface under that role (where role is one - of ``provides``, ``requires``, or ``peers``). - - :returns: A list of relation names. - """ - _metadata = metadata() - results = [] - for relation_name, relation in _metadata.get(role, {}).items(): - if relation['interface'] == interface_name: - results.append(relation_name) - return results - - -@cached -def interface_to_relations(interface_name): - """ - Given an interface, return a list of relation names for the current - charm that use that interface. - - :returns: A list of relation names. - """ - results = [] - for role in ('provides', 'requires', 'peers'): - results.extend(role_and_interface_to_relations(role, interface_name)) - return results - - -@cached -def charm_name(): - """Get the name of the current charm as is specified on metadata.yaml""" - return metadata().get('name') - - -@cached -def relations(): - """Get a nested dictionary of relation data for all related units""" - rels = {} - for reltype in relation_types(): - relids = {} - for relid in relation_ids(reltype): - units = {local_unit(): relation_get(unit=local_unit(), rid=relid)} - for unit in related_units(relid): - reldata = relation_get(unit=unit, rid=relid) - units[unit] = reldata - relids[relid] = units - rels[reltype] = relids - return rels - - -@cached -def is_relation_made(relation, keys='private-address'): - ''' - Determine whether a relation is established by checking for - presence of key(s). If a list of keys is provided, they - must all be present for the relation to be identified as made - ''' - if isinstance(keys, str): - keys = [keys] - for r_id in relation_ids(relation): - for unit in related_units(r_id): - context = {} - for k in keys: - context[k] = relation_get(k, rid=r_id, - unit=unit) - if None not in context.values(): - return True - return False - - -def open_port(port, protocol="TCP"): - """Open a service network port""" - _args = ['open-port'] - _args.append('{}/{}'.format(port, protocol)) - subprocess.check_call(_args) - - -def close_port(port, protocol="TCP"): - """Close a service network port""" - _args = ['close-port'] - _args.append('{}/{}'.format(port, protocol)) - subprocess.check_call(_args) - - -@cached -def unit_get(attribute): - """Get the unit ID for the remote unit""" - _args = ['unit-get', '--format=json', attribute] - try: - return json.loads(subprocess.check_output(_args).decode('UTF-8')) - except ValueError: - return None - - -def unit_public_ip(): - """Get this unit's public IP address""" - return unit_get('public-address') - - -def unit_private_ip(): - """Get this unit's private IP address""" - return unit_get('private-address') - - -@cached -def storage_get(attribute=None, storage_id=None): - """Get storage attributes""" - _args = ['storage-get', '--format=json'] - if storage_id: - _args.extend(('-s', storage_id)) - if attribute: - _args.append(attribute) - try: - return json.loads(subprocess.check_output(_args).decode('UTF-8')) - except ValueError: - return None - - -@cached -def storage_list(storage_name=None): - """List the storage IDs for the unit""" - _args = ['storage-list', '--format=json'] - if storage_name: - _args.append(storage_name) - try: - return json.loads(subprocess.check_output(_args).decode('UTF-8')) - except ValueError: - return None - except OSError as e: - import errno - if e.errno == errno.ENOENT: - # storage-list does not exist - return [] - raise - - -class UnregisteredHookError(Exception): - """Raised when an undefined hook is called""" - pass - - -class Hooks(object): - """A convenient handler for hook functions. - - Example:: - - hooks = Hooks() - - # register a hook, taking its name from the function name - @hooks.hook() - def install(): - pass # your code here - - # register a hook, providing a custom hook name - @hooks.hook("config-changed") - def config_changed(): - pass # your code here - - if __name__ == "__main__": - # execute a hook based on the name the program is called by - hooks.execute(sys.argv) - """ - - def __init__(self, config_save=None): - super(Hooks, self).__init__() - self._hooks = {} - - # For unknown reasons, we allow the Hooks constructor to override - # config().implicit_save. - if config_save is not None: - config().implicit_save = config_save - - def register(self, name, function): - """Register a hook""" - self._hooks[name] = function - - def execute(self, args): - """Execute a registered hook based on args[0]""" - _run_atstart() - hook_name = os.path.basename(args[0]) - if hook_name in self._hooks: - try: - self._hooks[hook_name]() - except SystemExit as x: - if x.code is None or x.code == 0: - _run_atexit() - raise - _run_atexit() - else: - raise UnregisteredHookError(hook_name) - - def hook(self, *hook_names): - """Decorator, registering them as hooks""" - def wrapper(decorated): - for hook_name in hook_names: - self.register(hook_name, decorated) - else: - self.register(decorated.__name__, decorated) - if '_' in decorated.__name__: - self.register( - decorated.__name__.replace('_', '-'), decorated) - return decorated - return wrapper - - -def charm_dir(): - """Return the root directory of the current charm""" - return os.environ.get('CHARM_DIR') - - -@cached -def action_get(key=None): - """Gets the value of an action parameter, or all key/value param pairs""" - cmd = ['action-get'] - if key is not None: - cmd.append(key) - cmd.append('--format=json') - action_data = json.loads(subprocess.check_output(cmd).decode('UTF-8')) - return action_data - - -def action_set(values): - """Sets the values to be returned after the action finishes""" - cmd = ['action-set'] - for k, v in list(values.items()): - cmd.append('{}={}'.format(k, v)) - subprocess.check_call(cmd) - - -def action_fail(message): - """Sets the action status to failed and sets the error message. - - The results set by action_set are preserved.""" - subprocess.check_call(['action-fail', message]) - - -def action_name(): - """Get the name of the currently executing action.""" - return os.environ.get('JUJU_ACTION_NAME') - - -def action_uuid(): - """Get the UUID of the currently executing action.""" - return os.environ.get('JUJU_ACTION_UUID') - - -def action_tag(): - """Get the tag for the currently executing action.""" - return os.environ.get('JUJU_ACTION_TAG') - - -def status_set(workload_state, message): - """Set the workload state with a message - - Use status-set to set the workload state with a message which is visible - to the user via juju status. If the status-set command is not found then - assume this is juju < 1.23 and juju-log the message unstead. - - workload_state -- valid juju workload state. - message -- status update message - """ - valid_states = ['maintenance', 'blocked', 'waiting', 'active'] - if workload_state not in valid_states: - raise ValueError( - '{!r} is not a valid workload state'.format(workload_state) - ) - cmd = ['status-set', workload_state, message] - try: - ret = subprocess.call(cmd) - if ret == 0: - return - except OSError as e: - if e.errno != errno.ENOENT: - raise - log_message = 'status-set failed: {} {}'.format(workload_state, - message) - log(log_message, level='INFO') - - -def status_get(): - """Retrieve the previously set juju workload state and message - - If the status-get command is not found then assume this is juju < 1.23 and - return 'unknown', "" - - """ - cmd = ['status-get', "--format=json", "--include-data"] - try: - raw_status = subprocess.check_output(cmd) - except OSError as e: - if e.errno == errno.ENOENT: - return ('unknown', "") - else: - raise - else: - status = json.loads(raw_status.decode("UTF-8")) - return (status["status"], status["message"]) - - -def translate_exc(from_exc, to_exc): - def inner_translate_exc1(f): - @wraps(f) - def inner_translate_exc2(*args, **kwargs): - try: - return f(*args, **kwargs) - except from_exc: - raise to_exc - - return inner_translate_exc2 - - return inner_translate_exc1 - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def is_leader(): - """Does the current unit hold the juju leadership - - Uses juju to determine whether the current unit is the leader of its peers - """ - cmd = ['is-leader', '--format=json'] - return json.loads(subprocess.check_output(cmd).decode('UTF-8')) - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def leader_get(attribute=None): - """Juju leader get value(s)""" - cmd = ['leader-get', '--format=json'] + [attribute or '-'] - return json.loads(subprocess.check_output(cmd).decode('UTF-8')) - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def leader_set(settings=None, **kwargs): - """Juju leader set value(s)""" - # Don't log secrets. - # log("Juju leader-set '%s'" % (settings), level=DEBUG) - cmd = ['leader-set'] - settings = settings or {} - settings.update(kwargs) - for k, v in settings.items(): - if v is None: - cmd.append('{}='.format(k)) - else: - cmd.append('{}={}'.format(k, v)) - subprocess.check_call(cmd) - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def payload_register(ptype, klass, pid): - """ is used while a hook is running to let Juju know that a - payload has been started.""" - cmd = ['payload-register'] - for x in [ptype, klass, pid]: - cmd.append(x) - subprocess.check_call(cmd) - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def payload_unregister(klass, pid): - """ is used while a hook is running to let Juju know - that a payload has been manually stopped. The <class> and <id> provided - must match a payload that has been previously registered with juju using - payload-register.""" - cmd = ['payload-unregister'] - for x in [klass, pid]: - cmd.append(x) - subprocess.check_call(cmd) - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def payload_status_set(klass, pid, status): - """is used to update the current status of a registered payload. - The <class> and <id> provided must match a payload that has been previously - registered with juju using payload-register. The <status> must be one of the - follow: starting, started, stopping, stopped""" - cmd = ['payload-status-set'] - for x in [klass, pid, status]: - cmd.append(x) - subprocess.check_call(cmd) - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def resource_get(name): - """used to fetch the resource path of the given name. - - <name> must match a name of defined resource in metadata.yaml - - returns either a path or False if resource not available - """ - if not name: - return False - - cmd = ['resource-get', name] - try: - return subprocess.check_output(cmd).decode('UTF-8') - except subprocess.CalledProcessError: - return False - - -@cached -def juju_version(): - """Full version string (eg. '1.23.3.1-trusty-amd64')""" - # Per https://bugs.launchpad.net/juju-core/+bug/1455368/comments/1 - jujud = glob.glob('/var/lib/juju/tools/machine-*/jujud')[0] - return subprocess.check_output([jujud, 'version'], - universal_newlines=True).strip() - - -@cached -def has_juju_version(minimum_version): - """Return True if the Juju version is at least the provided version""" - return LooseVersion(juju_version()) >= LooseVersion(minimum_version) - - -_atexit = [] -_atstart = [] - - -def atstart(callback, *args, **kwargs): - '''Schedule a callback to run before the main hook. - - Callbacks are run in the order they were added. - - This is useful for modules and classes to perform initialization - and inject behavior. In particular: - - - Run common code before all of your hooks, such as logging - the hook name or interesting relation data. - - Defer object or module initialization that requires a hook - context until we know there actually is a hook context, - making testing easier. - - Rather than requiring charm authors to include boilerplate to - invoke your helper's behavior, have it run automatically if - your object is instantiated or module imported. - - This is not at all useful after your hook framework as been launched. - ''' - global _atstart - _atstart.append((callback, args, kwargs)) - - -def atexit(callback, *args, **kwargs): - '''Schedule a callback to run on successful hook completion. - - Callbacks are run in the reverse order that they were added.''' - _atexit.append((callback, args, kwargs)) - - -def _run_atstart(): - '''Hook frameworks must invoke this before running the main hook body.''' - global _atstart - for callback, args, kwargs in _atstart: - callback(*args, **kwargs) - del _atstart[:] - - -def _run_atexit(): - '''Hook frameworks must invoke this after the main hook body has - successfully completed. Do not invoke it if the hook fails.''' - global _atexit - for callback, args, kwargs in reversed(_atexit): - callback(*args, **kwargs) - del _atexit[:] - - -@translate_exc(from_exc=OSError, to_exc=NotImplementedError) -def network_get_primary_address(binding): - ''' - Retrieve the primary network address for a named binding - - :param binding: string. The name of a relation of extra-binding - :return: string. The primary IP address for the named binding - :raise: NotImplementedError if run on Juju < 2.0 - ''' - cmd = ['network-get', '--primary-address', binding] - return subprocess.check_output(cmd).decode('UTF-8').strip() diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/host.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/host.py deleted file mode 100644 index 5306859..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/host.py +++ /dev/null @@ -1,765 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -"""Tools for working with the host system""" -# Copyright 2012 Canonical Ltd. -# -# Authors: -# Nick Moffitt <nick.moffitt@canonical.com> -# Matthew Wedgwood <matthew.wedgwood@canonical.com> - -import os -import re -import pwd -import glob -import grp -import random -import string -import subprocess -import hashlib -import functools -import itertools -from contextlib import contextmanager -from collections import OrderedDict - -import six - -from .hookenv import log -from .fstab import Fstab - - -def service_start(service_name): - """Start a system service""" - return service('start', service_name) - - -def service_stop(service_name): - """Stop a system service""" - return service('stop', service_name) - - -def service_restart(service_name): - """Restart a system service""" - return service('restart', service_name) - - -def service_reload(service_name, restart_on_failure=False): - """Reload a system service, optionally falling back to restart if - reload fails""" - service_result = service('reload', service_name) - if not service_result and restart_on_failure: - service_result = service('restart', service_name) - return service_result - - -def service_pause(service_name, init_dir="/etc/init", initd_dir="/etc/init.d"): - """Pause a system service. - - Stop it, and prevent it from starting again at boot.""" - stopped = True - if service_running(service_name): - stopped = service_stop(service_name) - upstart_file = os.path.join(init_dir, "{}.conf".format(service_name)) - sysv_file = os.path.join(initd_dir, service_name) - if init_is_systemd(): - service('disable', service_name) - elif os.path.exists(upstart_file): - override_path = os.path.join( - init_dir, '{}.override'.format(service_name)) - with open(override_path, 'w') as fh: - fh.write("manual\n") - elif os.path.exists(sysv_file): - subprocess.check_call(["update-rc.d", service_name, "disable"]) - else: - raise ValueError( - "Unable to detect {0} as SystemD, Upstart {1} or" - " SysV {2}".format( - service_name, upstart_file, sysv_file)) - return stopped - - -def service_resume(service_name, init_dir="/etc/init", - initd_dir="/etc/init.d"): - """Resume a system service. - - Reenable starting again at boot. Start the service""" - upstart_file = os.path.join(init_dir, "{}.conf".format(service_name)) - sysv_file = os.path.join(initd_dir, service_name) - if init_is_systemd(): - service('enable', service_name) - elif os.path.exists(upstart_file): - override_path = os.path.join( - init_dir, '{}.override'.format(service_name)) - if os.path.exists(override_path): - os.unlink(override_path) - elif os.path.exists(sysv_file): - subprocess.check_call(["update-rc.d", service_name, "enable"]) - else: - raise ValueError( - "Unable to detect {0} as SystemD, Upstart {1} or" - " SysV {2}".format( - service_name, upstart_file, sysv_file)) - - started = service_running(service_name) - if not started: - started = service_start(service_name) - return started - - -def service(action, service_name): - """Control a system service""" - if init_is_systemd(): - cmd = ['systemctl', action, service_name] - else: - cmd = ['service', service_name, action] - return subprocess.call(cmd) == 0 - - -_UPSTART_CONF = "/etc/init/{}.conf" -_INIT_D_CONF = "/etc/init.d/{}" - - -def service_running(service_name): - """Determine whether a system service is running""" - if init_is_systemd(): - return service('is-active', service_name) - else: - if os.path.exists(_UPSTART_CONF.format(service_name)): - try: - output = subprocess.check_output( - ['status', service_name], - stderr=subprocess.STDOUT).decode('UTF-8') - except subprocess.CalledProcessError: - return False - else: - # This works for upstart scripts where the 'service' command - # returns a consistent string to represent running 'start/running' - if "start/running" in output: - return True - elif os.path.exists(_INIT_D_CONF.format(service_name)): - # Check System V scripts init script return codes - return service('status', service_name) - return False - - -def service_available(service_name): - """Determine whether a system service is available""" - try: - subprocess.check_output( - ['service', service_name, 'status'], - stderr=subprocess.STDOUT).decode('UTF-8') - except subprocess.CalledProcessError as e: - return b'unrecognized service' not in e.output - else: - return True - - -SYSTEMD_SYSTEM = '/run/systemd/system' - - -def init_is_systemd(): - """Return True if the host system uses systemd, False otherwise.""" - return os.path.isdir(SYSTEMD_SYSTEM) - - -def adduser(username, password=None, shell='/bin/bash', system_user=False, - primary_group=None, secondary_groups=None, uid=None, home_dir=None): - """Add a user to the system. - - Will log but otherwise succeed if the user already exists. - - :param str username: Username to create - :param str password: Password for user; if ``None``, create a system user - :param str shell: The default shell for the user - :param bool system_user: Whether to create a login or system user - :param str primary_group: Primary group for user; defaults to username - :param list secondary_groups: Optional list of additional groups - :param int uid: UID for user being created - :param str home_dir: Home directory for user - - :returns: The password database entry struct, as returned by `pwd.getpwnam` - """ - try: - user_info = pwd.getpwnam(username) - log('user {0} already exists!'.format(username)) - if uid: - user_info = pwd.getpwuid(int(uid)) - log('user with uid {0} already exists!'.format(uid)) - except KeyError: - log('creating user {0}'.format(username)) - cmd = ['useradd'] - if uid: - cmd.extend(['--uid', str(uid)]) - if home_dir: - cmd.extend(['--home', str(home_dir)]) - if system_user or password is None: - cmd.append('--system') - else: - cmd.extend([ - '--create-home', - '--shell', shell, - '--password', password, - ]) - if not primary_group: - try: - grp.getgrnam(username) - primary_group = username # avoid "group exists" error - except KeyError: - pass - if primary_group: - cmd.extend(['-g', primary_group]) - if secondary_groups: - cmd.extend(['-G', ','.join(secondary_groups)]) - cmd.append(username) - subprocess.check_call(cmd) - user_info = pwd.getpwnam(username) - return user_info - - -def user_exists(username): - """Check if a user exists""" - try: - pwd.getpwnam(username) - user_exists = True - except KeyError: - user_exists = False - return user_exists - - -def uid_exists(uid): - """Check if a uid exists""" - try: - pwd.getpwuid(uid) - uid_exists = True - except KeyError: - uid_exists = False - return uid_exists - - -def group_exists(groupname): - """Check if a group exists""" - try: - grp.getgrnam(groupname) - group_exists = True - except KeyError: - group_exists = False - return group_exists - - -def gid_exists(gid): - """Check if a gid exists""" - try: - grp.getgrgid(gid) - gid_exists = True - except KeyError: - gid_exists = False - return gid_exists - - -def add_group(group_name, system_group=False, gid=None): - """Add a group to the system - - Will log but otherwise succeed if the group already exists. - - :param str group_name: group to create - :param bool system_group: Create system group - :param int gid: GID for user being created - - :returns: The password database entry struct, as returned by `grp.getgrnam` - """ - try: - group_info = grp.getgrnam(group_name) - log('group {0} already exists!'.format(group_name)) - if gid: - group_info = grp.getgrgid(gid) - log('group with gid {0} already exists!'.format(gid)) - except KeyError: - log('creating group {0}'.format(group_name)) - cmd = ['addgroup'] - if gid: - cmd.extend(['--gid', str(gid)]) - if system_group: - cmd.append('--system') - else: - cmd.extend([ - '--group', - ]) - cmd.append(group_name) - subprocess.check_call(cmd) - group_info = grp.getgrnam(group_name) - return group_info - - -def add_user_to_group(username, group): - """Add a user to a group""" - cmd = ['gpasswd', '-a', username, group] - log("Adding user {} to group {}".format(username, group)) - subprocess.check_call(cmd) - - -def rsync(from_path, to_path, flags='-r', options=None): - """Replicate the contents of a path""" - options = options or ['--delete', '--executability'] - cmd = ['/usr/bin/rsync', flags] - cmd.extend(options) - cmd.append(from_path) - cmd.append(to_path) - log(" ".join(cmd)) - return subprocess.check_output(cmd).decode('UTF-8').strip() - - -def symlink(source, destination): - """Create a symbolic link""" - log("Symlinking {} as {}".format(source, destination)) - cmd = [ - 'ln', - '-sf', - source, - destination, - ] - subprocess.check_call(cmd) - - -def mkdir(path, owner='root', group='root', perms=0o555, force=False): - """Create a directory""" - log("Making dir {} {}:{} {:o}".format(path, owner, group, - perms)) - uid = pwd.getpwnam(owner).pw_uid - gid = grp.getgrnam(group).gr_gid - realpath = os.path.abspath(path) - path_exists = os.path.exists(realpath) - if path_exists and force: - if not os.path.isdir(realpath): - log("Removing non-directory file {} prior to mkdir()".format(path)) - os.unlink(realpath) - os.makedirs(realpath, perms) - elif not path_exists: - os.makedirs(realpath, perms) - os.chown(realpath, uid, gid) - os.chmod(realpath, perms) - - -def write_file(path, content, owner='root', group='root', perms=0o444): - """Create or overwrite a file with the contents of a byte string.""" - log("Writing file {} {}:{} {:o}".format(path, owner, group, perms)) - uid = pwd.getpwnam(owner).pw_uid - gid = grp.getgrnam(group).gr_gid - with open(path, 'wb') as target: - os.fchown(target.fileno(), uid, gid) - os.fchmod(target.fileno(), perms) - target.write(content) - - -def fstab_remove(mp): - """Remove the given mountpoint entry from /etc/fstab""" - return Fstab.remove_by_mountpoint(mp) - - -def fstab_add(dev, mp, fs, options=None): - """Adds the given device entry to the /etc/fstab file""" - return Fstab.add(dev, mp, fs, options=options) - - -def mount(device, mountpoint, options=None, persist=False, filesystem="ext3"): - """Mount a filesystem at a particular mountpoint""" - cmd_args = ['mount'] - if options is not None: - cmd_args.extend(['-o', options]) - cmd_args.extend([device, mountpoint]) - try: - subprocess.check_output(cmd_args) - except subprocess.CalledProcessError as e: - log('Error mounting {} at {}\n{}'.format(device, mountpoint, e.output)) - return False - - if persist: - return fstab_add(device, mountpoint, filesystem, options=options) - return True - - -def umount(mountpoint, persist=False): - """Unmount a filesystem""" - cmd_args = ['umount', mountpoint] - try: - subprocess.check_output(cmd_args) - except subprocess.CalledProcessError as e: - log('Error unmounting {}\n{}'.format(mountpoint, e.output)) - return False - - if persist: - return fstab_remove(mountpoint) - return True - - -def mounts(): - """Get a list of all mounted volumes as [[mountpoint,device],[...]]""" - with open('/proc/mounts') as f: - # [['/mount/point','/dev/path'],[...]] - system_mounts = [m[1::-1] for m in [l.strip().split() - for l in f.readlines()]] - return system_mounts - - -def fstab_mount(mountpoint): - """Mount filesystem using fstab""" - cmd_args = ['mount', mountpoint] - try: - subprocess.check_output(cmd_args) - except subprocess.CalledProcessError as e: - log('Error unmounting {}\n{}'.format(mountpoint, e.output)) - return False - return True - - -def file_hash(path, hash_type='md5'): - """Generate a hash checksum of the contents of 'path' or None if not found. - - :param str hash_type: Any hash alrgorithm supported by :mod:`hashlib`, - such as md5, sha1, sha256, sha512, etc. - """ - if os.path.exists(path): - h = getattr(hashlib, hash_type)() - with open(path, 'rb') as source: - h.update(source.read()) - return h.hexdigest() - else: - return None - - -def path_hash(path): - """Generate a hash checksum of all files matching 'path'. Standard - wildcards like '*' and '?' are supported, see documentation for the 'glob' - module for more information. - - :return: dict: A { filename: hash } dictionary for all matched files. - Empty if none found. - """ - return { - filename: file_hash(filename) - for filename in glob.iglob(path) - } - - -def check_hash(path, checksum, hash_type='md5'): - """Validate a file using a cryptographic checksum. - - :param str checksum: Value of the checksum used to validate the file. - :param str hash_type: Hash algorithm used to generate `checksum`. - Can be any hash alrgorithm supported by :mod:`hashlib`, - such as md5, sha1, sha256, sha512, etc. - :raises ChecksumError: If the file fails the checksum - - """ - actual_checksum = file_hash(path, hash_type) - if checksum != actual_checksum: - raise ChecksumError("'%s' != '%s'" % (checksum, actual_checksum)) - - -class ChecksumError(ValueError): - """A class derived from Value error to indicate the checksum failed.""" - pass - - -def restart_on_change(restart_map, stopstart=False, restart_functions=None): - """Restart services based on configuration files changing - - This function is used a decorator, for example:: - - @restart_on_change({ - '/etc/ceph/ceph.conf': [ 'cinder-api', 'cinder-volume' ] - '/etc/apache/sites-enabled/*': [ 'apache2' ] - }) - def config_changed(): - pass # your code here - - In this example, the cinder-api and cinder-volume services - would be restarted if /etc/ceph/ceph.conf is changed by the - ceph_client_changed function. The apache2 service would be - restarted if any file matching the pattern got changed, created - or removed. Standard wildcards are supported, see documentation - for the 'glob' module for more information. - - @param restart_map: {path_file_name: [service_name, ...] - @param stopstart: DEFAULT false; whether to stop, start OR restart - @param restart_functions: nonstandard functions to use to restart services - {svc: func, ...} - @returns result from decorated function - """ - def wrap(f): - @functools.wraps(f) - def wrapped_f(*args, **kwargs): - return restart_on_change_helper( - (lambda: f(*args, **kwargs)), restart_map, stopstart, - restart_functions) - return wrapped_f - return wrap - - -def restart_on_change_helper(lambda_f, restart_map, stopstart=False, - restart_functions=None): - """Helper function to perform the restart_on_change function. - - This is provided for decorators to restart services if files described - in the restart_map have changed after an invocation of lambda_f(). - - @param lambda_f: function to call. - @param restart_map: {file: [service, ...]} - @param stopstart: whether to stop, start or restart a service - @param restart_functions: nonstandard functions to use to restart services - {svc: func, ...} - @returns result of lambda_f() - """ - if restart_functions is None: - restart_functions = {} - checksums = {path: path_hash(path) for path in restart_map} - r = lambda_f() - # create a list of lists of the services to restart - restarts = [restart_map[path] - for path in restart_map - if path_hash(path) != checksums[path]] - # create a flat list of ordered services without duplicates from lists - services_list = list(OrderedDict.fromkeys(itertools.chain(*restarts))) - if services_list: - actions = ('stop', 'start') if stopstart else ('restart',) - for service_name in services_list: - if service_name in restart_functions: - restart_functions[service_name](service_name) - else: - for action in actions: - service(action, service_name) - return r - - -def lsb_release(): - """Return /etc/lsb-release in a dict""" - d = {} - with open('/etc/lsb-release', 'r') as lsb: - for l in lsb: - k, v = l.split('=') - d[k.strip()] = v.strip() - return d - - -def pwgen(length=None): - """Generate a random pasword.""" - if length is None: - # A random length is ok to use a weak PRNG - length = random.choice(range(35, 45)) - alphanumeric_chars = [ - l for l in (string.ascii_letters + string.digits) - if l not in 'l0QD1vAEIOUaeiou'] - # Use a crypto-friendly PRNG (e.g. /dev/urandom) for making the - # actual password - random_generator = random.SystemRandom() - random_chars = [ - random_generator.choice(alphanumeric_chars) for _ in range(length)] - return(''.join(random_chars)) - - -def is_phy_iface(interface): - """Returns True if interface is not virtual, otherwise False.""" - if interface: - sys_net = '/sys/class/net' - if os.path.isdir(sys_net): - for iface in glob.glob(os.path.join(sys_net, '*')): - if '/virtual/' in os.path.realpath(iface): - continue - - if interface == os.path.basename(iface): - return True - - return False - - -def get_bond_master(interface): - """Returns bond master if interface is bond slave otherwise None. - - NOTE: the provided interface is expected to be physical - """ - if interface: - iface_path = '/sys/class/net/%s' % (interface) - if os.path.exists(iface_path): - if '/virtual/' in os.path.realpath(iface_path): - return None - - master = os.path.join(iface_path, 'master') - if os.path.exists(master): - master = os.path.realpath(master) - # make sure it is a bond master - if os.path.exists(os.path.join(master, 'bonding')): - return os.path.basename(master) - - return None - - -def list_nics(nic_type=None): - """Return a list of nics of given type(s)""" - if isinstance(nic_type, six.string_types): - int_types = [nic_type] - else: - int_types = nic_type - - interfaces = [] - if nic_type: - for int_type in int_types: - cmd = ['ip', 'addr', 'show', 'label', int_type + '*'] - ip_output = subprocess.check_output(cmd).decode('UTF-8') - ip_output = ip_output.split('\n') - ip_output = (line for line in ip_output if line) - for line in ip_output: - if line.split()[1].startswith(int_type): - matched = re.search('.*: (' + int_type + - r'[0-9]+\.[0-9]+)@.*', line) - if matched: - iface = matched.groups()[0] - else: - iface = line.split()[1].replace(":", "") - - if iface not in interfaces: - interfaces.append(iface) - else: - cmd = ['ip', 'a'] - ip_output = subprocess.check_output(cmd).decode('UTF-8').split('\n') - ip_output = (line.strip() for line in ip_output if line) - - key = re.compile('^[0-9]+:\s+(.+):') - for line in ip_output: - matched = re.search(key, line) - if matched: - iface = matched.group(1) - iface = iface.partition("@")[0] - if iface not in interfaces: - interfaces.append(iface) - - return interfaces - - -def set_nic_mtu(nic, mtu): - """Set the Maximum Transmission Unit (MTU) on a network interface.""" - cmd = ['ip', 'link', 'set', nic, 'mtu', mtu] - subprocess.check_call(cmd) - - -def get_nic_mtu(nic): - """Return the Maximum Transmission Unit (MTU) for a network interface.""" - cmd = ['ip', 'addr', 'show', nic] - ip_output = subprocess.check_output(cmd).decode('UTF-8').split('\n') - mtu = "" - for line in ip_output: - words = line.split() - if 'mtu' in words: - mtu = words[words.index("mtu") + 1] - return mtu - - -def get_nic_hwaddr(nic): - """Return the Media Access Control (MAC) for a network interface.""" - cmd = ['ip', '-o', '-0', 'addr', 'show', nic] - ip_output = subprocess.check_output(cmd).decode('UTF-8') - hwaddr = "" - words = ip_output.split() - if 'link/ether' in words: - hwaddr = words[words.index('link/ether') + 1] - return hwaddr - - -def cmp_pkgrevno(package, revno, pkgcache=None): - """Compare supplied revno with the revno of the installed package - - * 1 => Installed revno is greater than supplied arg - * 0 => Installed revno is the same as supplied arg - * -1 => Installed revno is less than supplied arg - - This function imports apt_cache function from charmhelpers.fetch if - the pkgcache argument is None. Be sure to add charmhelpers.fetch if - you call this function, or pass an apt_pkg.Cache() instance. - """ - import apt_pkg - if not pkgcache: - from charmhelpers.fetch import apt_cache - pkgcache = apt_cache() - pkg = pkgcache[package] - return apt_pkg.version_compare(pkg.current_ver.ver_str, revno) - - -@contextmanager -def chdir(directory): - """Change the current working directory to a different directory for a code - block and return the previous directory after the block exits. Useful to - run commands from a specificed directory. - - :param str directory: The directory path to change to for this context. - """ - cur = os.getcwd() - try: - yield os.chdir(directory) - finally: - os.chdir(cur) - - -def chownr(path, owner, group, follow_links=True, chowntopdir=False): - """Recursively change user and group ownership of files and directories - in given path. Doesn't chown path itself by default, only its children. - - :param str path: The string path to start changing ownership. - :param str owner: The owner string to use when looking up the uid. - :param str group: The group string to use when looking up the gid. - :param bool follow_links: Also Chown links if True - :param bool chowntopdir: Also chown path itself if True - """ - uid = pwd.getpwnam(owner).pw_uid - gid = grp.getgrnam(group).gr_gid - if follow_links: - chown = os.chown - else: - chown = os.lchown - - if chowntopdir: - broken_symlink = os.path.lexists(path) and not os.path.exists(path) - if not broken_symlink: - chown(path, uid, gid) - for root, dirs, files in os.walk(path): - for name in dirs + files: - full = os.path.join(root, name) - broken_symlink = os.path.lexists(full) and not os.path.exists(full) - if not broken_symlink: - chown(full, uid, gid) - - -def lchownr(path, owner, group): - """Recursively change user and group ownership of files and directories - in a given path, not following symbolic links. See the documentation for - 'os.lchown' for more information. - - :param str path: The string path to start changing ownership. - :param str owner: The owner string to use when looking up the uid. - :param str group: The group string to use when looking up the gid. - """ - chownr(path, owner, group, follow_links=False) - - -def get_total_ram(): - """The total amount of system RAM in bytes. - - This is what is reported by the OS, and may be overcommitted when - there are multiple containers hosted on the same machine. - """ - with open('/proc/meminfo', 'r') as f: - for line in f.readlines(): - if line: - key, value, unit = line.split() - if key == 'MemTotal:': - assert unit == 'kB', 'Unknown unit' - return int(value) * 1024 # Classic, not KiB. - raise NotImplementedError() diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/hugepage.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/hugepage.py deleted file mode 100644 index 54b5b5e..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/hugepage.py +++ /dev/null @@ -1,69 +0,0 @@ -# -*- coding: utf-8 -*- - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import yaml -from charmhelpers.core import fstab -from charmhelpers.core import sysctl -from charmhelpers.core.host import ( - add_group, - add_user_to_group, - fstab_mount, - mkdir, -) -from charmhelpers.core.strutils import bytes_from_string -from subprocess import check_output - - -def hugepage_support(user, group='hugetlb', nr_hugepages=256, - max_map_count=65536, mnt_point='/run/hugepages/kvm', - pagesize='2MB', mount=True, set_shmmax=False): - """Enable hugepages on system. - - Args: - user (str) -- Username to allow access to hugepages to - group (str) -- Group name to own hugepages - nr_hugepages (int) -- Number of pages to reserve - max_map_count (int) -- Number of Virtual Memory Areas a process can own - mnt_point (str) -- Directory to mount hugepages on - pagesize (str) -- Size of hugepages - mount (bool) -- Whether to Mount hugepages - """ - group_info = add_group(group) - gid = group_info.gr_gid - add_user_to_group(user, group) - if max_map_count < 2 * nr_hugepages: - max_map_count = 2 * nr_hugepages - sysctl_settings = { - 'vm.nr_hugepages': nr_hugepages, - 'vm.max_map_count': max_map_count, - 'vm.hugetlb_shm_group': gid, - } - if set_shmmax: - shmmax_current = int(check_output(['sysctl', '-n', 'kernel.shmmax'])) - shmmax_minsize = bytes_from_string(pagesize) * nr_hugepages - if shmmax_minsize > shmmax_current: - sysctl_settings['kernel.shmmax'] = shmmax_minsize - sysctl.create(yaml.dump(sysctl_settings), '/etc/sysctl.d/10-hugepage.conf') - mkdir(mnt_point, owner='root', group='root', perms=0o755, force=False) - lfstab = fstab.Fstab() - fstab_entry = lfstab.get_entry_by_attr('mountpoint', mnt_point) - if fstab_entry: - lfstab.remove_entry(fstab_entry) - entry = lfstab.Entry('nodev', mnt_point, 'hugetlbfs', - 'mode=1770,gid={},pagesize={}'.format(gid, pagesize), 0, 0) - lfstab.add_entry(entry) - if mount: - fstab_mount(mnt_point) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/kernel.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/kernel.py deleted file mode 100644 index b166efe..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/kernel.py +++ /dev/null @@ -1,66 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -__author__ = "Jorge Niedbalski <jorge.niedbalski@canonical.com>" - -from charmhelpers.core.hookenv import ( - log, - INFO -) - -from subprocess import check_call, check_output -import re - - -def modprobe(module, persist=True): - """Load a kernel module and configure for auto-load on reboot.""" - cmd = ['modprobe', module] - - log('Loading kernel module %s' % module, level=INFO) - - check_call(cmd) - if persist: - with open('/etc/modules', 'r+') as modules: - if module not in modules.read(): - modules.write(module) - - -def rmmod(module, force=False): - """Remove a module from the linux kernel""" - cmd = ['rmmod'] - if force: - cmd.append('-f') - cmd.append(module) - log('Removing kernel module %s' % module, level=INFO) - return check_call(cmd) - - -def lsmod(): - """Shows what kernel modules are currently loaded""" - return check_output(['lsmod'], - universal_newlines=True) - - -def is_module_loaded(module): - """Checks if a kernel module is already loaded""" - matches = re.findall('^%s[ ]+' % module, lsmod(), re.M) - return len(matches) > 0 - - -def update_initramfs(version='all'): - """Updates an initramfs image""" - return check_call(["update-initramfs", "-k", version, "-u"]) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/__init__.py deleted file mode 100644 index 61fd074..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/__init__.py +++ /dev/null @@ -1,16 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -from .base import * # NOQA -from .helpers import * # NOQA diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/base.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/base.py deleted file mode 100644 index ca9dc99..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/base.py +++ /dev/null @@ -1,351 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import json -from inspect import getargspec -from collections import Iterable, OrderedDict - -from charmhelpers.core import host -from charmhelpers.core import hookenv - - -__all__ = ['ServiceManager', 'ManagerCallback', - 'PortManagerCallback', 'open_ports', 'close_ports', 'manage_ports', - 'service_restart', 'service_stop'] - - -class ServiceManager(object): - def __init__(self, services=None): - """ - Register a list of services, given their definitions. - - Service definitions are dicts in the following formats (all keys except - 'service' are optional):: - - { - "service": <service name>, - "required_data": <list of required data contexts>, - "provided_data": <list of provided data contexts>, - "data_ready": <one or more callbacks>, - "data_lost": <one or more callbacks>, - "start": <one or more callbacks>, - "stop": <one or more callbacks>, - "ports": <list of ports to manage>, - } - - The 'required_data' list should contain dicts of required data (or - dependency managers that act like dicts and know how to collect the data). - Only when all items in the 'required_data' list are populated are the list - of 'data_ready' and 'start' callbacks executed. See `is_ready()` for more - information. - - The 'provided_data' list should contain relation data providers, most likely - a subclass of :class:`charmhelpers.core.services.helpers.RelationContext`, - that will indicate a set of data to set on a given relation. - - The 'data_ready' value should be either a single callback, or a list of - callbacks, to be called when all items in 'required_data' pass `is_ready()`. - Each callback will be called with the service name as the only parameter. - After all of the 'data_ready' callbacks are called, the 'start' callbacks - are fired. - - The 'data_lost' value should be either a single callback, or a list of - callbacks, to be called when a 'required_data' item no longer passes - `is_ready()`. Each callback will be called with the service name as the - only parameter. After all of the 'data_lost' callbacks are called, - the 'stop' callbacks are fired. - - The 'start' value should be either a single callback, or a list of - callbacks, to be called when starting the service, after the 'data_ready' - callbacks are complete. Each callback will be called with the service - name as the only parameter. This defaults to - `[host.service_start, services.open_ports]`. - - The 'stop' value should be either a single callback, or a list of - callbacks, to be called when stopping the service. If the service is - being stopped because it no longer has all of its 'required_data', this - will be called after all of the 'data_lost' callbacks are complete. - Each callback will be called with the service name as the only parameter. - This defaults to `[services.close_ports, host.service_stop]`. - - The 'ports' value should be a list of ports to manage. The default - 'start' handler will open the ports after the service is started, - and the default 'stop' handler will close the ports prior to stopping - the service. - - - Examples: - - The following registers an Upstart service called bingod that depends on - a mongodb relation and which runs a custom `db_migrate` function prior to - restarting the service, and a Runit service called spadesd:: - - manager = services.ServiceManager([ - { - 'service': 'bingod', - 'ports': [80, 443], - 'required_data': [MongoRelation(), config(), {'my': 'data'}], - 'data_ready': [ - services.template(source='bingod.conf'), - services.template(source='bingod.ini', - target='/etc/bingod.ini', - owner='bingo', perms=0400), - ], - }, - { - 'service': 'spadesd', - 'data_ready': services.template(source='spadesd_run.j2', - target='/etc/sv/spadesd/run', - perms=0555), - 'start': runit_start, - 'stop': runit_stop, - }, - ]) - manager.manage() - """ - self._ready_file = os.path.join(hookenv.charm_dir(), 'READY-SERVICES.json') - self._ready = None - self.services = OrderedDict() - for service in services or []: - service_name = service['service'] - self.services[service_name] = service - - def manage(self): - """ - Handle the current hook by doing The Right Thing with the registered services. - """ - hookenv._run_atstart() - try: - hook_name = hookenv.hook_name() - if hook_name == 'stop': - self.stop_services() - else: - self.reconfigure_services() - self.provide_data() - except SystemExit as x: - if x.code is None or x.code == 0: - hookenv._run_atexit() - hookenv._run_atexit() - - def provide_data(self): - """ - Set the relation data for each provider in the ``provided_data`` list. - - A provider must have a `name` attribute, which indicates which relation - to set data on, and a `provide_data()` method, which returns a dict of - data to set. - - The `provide_data()` method can optionally accept two parameters: - - * ``remote_service`` The name of the remote service that the data will - be provided to. The `provide_data()` method will be called once - for each connected service (not unit). This allows the method to - tailor its data to the given service. - * ``service_ready`` Whether or not the service definition had all of - its requirements met, and thus the ``data_ready`` callbacks run. - - Note that the ``provided_data`` methods are now called **after** the - ``data_ready`` callbacks are run. This gives the ``data_ready`` callbacks - a chance to generate any data necessary for the providing to the remote - services. - """ - for service_name, service in self.services.items(): - service_ready = self.is_ready(service_name) - for provider in service.get('provided_data', []): - for relid in hookenv.relation_ids(provider.name): - units = hookenv.related_units(relid) - if not units: - continue - remote_service = units[0].split('/')[0] - argspec = getargspec(provider.provide_data) - if len(argspec.args) > 1: - data = provider.provide_data(remote_service, service_ready) - else: - data = provider.provide_data() - if data: - hookenv.relation_set(relid, data) - - def reconfigure_services(self, *service_names): - """ - Update all files for one or more registered services, and, - if ready, optionally restart them. - - If no service names are given, reconfigures all registered services. - """ - for service_name in service_names or self.services.keys(): - if self.is_ready(service_name): - self.fire_event('data_ready', service_name) - self.fire_event('start', service_name, default=[ - service_restart, - manage_ports]) - self.save_ready(service_name) - else: - if self.was_ready(service_name): - self.fire_event('data_lost', service_name) - self.fire_event('stop', service_name, default=[ - manage_ports, - service_stop]) - self.save_lost(service_name) - - def stop_services(self, *service_names): - """ - Stop one or more registered services, by name. - - If no service names are given, stops all registered services. - """ - for service_name in service_names or self.services.keys(): - self.fire_event('stop', service_name, default=[ - manage_ports, - service_stop]) - - def get_service(self, service_name): - """ - Given the name of a registered service, return its service definition. - """ - service = self.services.get(service_name) - if not service: - raise KeyError('Service not registered: %s' % service_name) - return service - - def fire_event(self, event_name, service_name, default=None): - """ - Fire a data_ready, data_lost, start, or stop event on a given service. - """ - service = self.get_service(service_name) - callbacks = service.get(event_name, default) - if not callbacks: - return - if not isinstance(callbacks, Iterable): - callbacks = [callbacks] - for callback in callbacks: - if isinstance(callback, ManagerCallback): - callback(self, service_name, event_name) - else: - callback(service_name) - - def is_ready(self, service_name): - """ - Determine if a registered service is ready, by checking its 'required_data'. - - A 'required_data' item can be any mapping type, and is considered ready - if `bool(item)` evaluates as True. - """ - service = self.get_service(service_name) - reqs = service.get('required_data', []) - return all(bool(req) for req in reqs) - - def _load_ready_file(self): - if self._ready is not None: - return - if os.path.exists(self._ready_file): - with open(self._ready_file) as fp: - self._ready = set(json.load(fp)) - else: - self._ready = set() - - def _save_ready_file(self): - if self._ready is None: - return - with open(self._ready_file, 'w') as fp: - json.dump(list(self._ready), fp) - - def save_ready(self, service_name): - """ - Save an indicator that the given service is now data_ready. - """ - self._load_ready_file() - self._ready.add(service_name) - self._save_ready_file() - - def save_lost(self, service_name): - """ - Save an indicator that the given service is no longer data_ready. - """ - self._load_ready_file() - self._ready.discard(service_name) - self._save_ready_file() - - def was_ready(self, service_name): - """ - Determine if the given service was previously data_ready. - """ - self._load_ready_file() - return service_name in self._ready - - -class ManagerCallback(object): - """ - Special case of a callback that takes the `ServiceManager` instance - in addition to the service name. - - Subclasses should implement `__call__` which should accept three parameters: - - * `manager` The `ServiceManager` instance - * `service_name` The name of the service it's being triggered for - * `event_name` The name of the event that this callback is handling - """ - def __call__(self, manager, service_name, event_name): - raise NotImplementedError() - - -class PortManagerCallback(ManagerCallback): - """ - Callback class that will open or close ports, for use as either - a start or stop action. - """ - def __call__(self, manager, service_name, event_name): - service = manager.get_service(service_name) - new_ports = service.get('ports', []) - port_file = os.path.join(hookenv.charm_dir(), '.{}.ports'.format(service_name)) - if os.path.exists(port_file): - with open(port_file) as fp: - old_ports = fp.read().split(',') - for old_port in old_ports: - if bool(old_port): - old_port = int(old_port) - if old_port not in new_ports: - hookenv.close_port(old_port) - with open(port_file, 'w') as fp: - fp.write(','.join(str(port) for port in new_ports)) - for port in new_ports: - if event_name == 'start': - hookenv.open_port(port) - elif event_name == 'stop': - hookenv.close_port(port) - - -def service_stop(service_name): - """ - Wrapper around host.service_stop to prevent spurious "unknown service" - messages in the logs. - """ - if host.service_running(service_name): - host.service_stop(service_name) - - -def service_restart(service_name): - """ - Wrapper around host.service_restart to prevent spurious "unknown service" - messages in the logs. - """ - if host.service_available(service_name): - if host.service_running(service_name): - host.service_restart(service_name) - else: - host.service_start(service_name) - - -# Convenience aliases -open_ports = close_ports = manage_ports = PortManagerCallback() diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/helpers.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/helpers.py deleted file mode 100644 index 3e6e30d..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/services/helpers.py +++ /dev/null @@ -1,290 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import yaml - -from charmhelpers.core import hookenv -from charmhelpers.core import host -from charmhelpers.core import templating - -from charmhelpers.core.services.base import ManagerCallback - - -__all__ = ['RelationContext', 'TemplateCallback', - 'render_template', 'template'] - - -class RelationContext(dict): - """ - Base class for a context generator that gets relation data from juju. - - Subclasses must provide the attributes `name`, which is the name of the - interface of interest, `interface`, which is the type of the interface of - interest, and `required_keys`, which is the set of keys required for the - relation to be considered complete. The data for all interfaces matching - the `name` attribute that are complete will used to populate the dictionary - values (see `get_data`, below). - - The generated context will be namespaced under the relation :attr:`name`, - to prevent potential naming conflicts. - - :param str name: Override the relation :attr:`name`, since it can vary from charm to charm - :param list additional_required_keys: Extend the list of :attr:`required_keys` - """ - name = None - interface = None - - def __init__(self, name=None, additional_required_keys=None): - if not hasattr(self, 'required_keys'): - self.required_keys = [] - - if name is not None: - self.name = name - if additional_required_keys: - self.required_keys.extend(additional_required_keys) - self.get_data() - - def __bool__(self): - """ - Returns True if all of the required_keys are available. - """ - return self.is_ready() - - __nonzero__ = __bool__ - - def __repr__(self): - return super(RelationContext, self).__repr__() - - def is_ready(self): - """ - Returns True if all of the `required_keys` are available from any units. - """ - ready = len(self.get(self.name, [])) > 0 - if not ready: - hookenv.log('Incomplete relation: {}'.format(self.__class__.__name__), hookenv.DEBUG) - return ready - - def _is_ready(self, unit_data): - """ - Helper method that tests a set of relation data and returns True if - all of the `required_keys` are present. - """ - return set(unit_data.keys()).issuperset(set(self.required_keys)) - - def get_data(self): - """ - Retrieve the relation data for each unit involved in a relation and, - if complete, store it in a list under `self[self.name]`. This - is automatically called when the RelationContext is instantiated. - - The units are sorted lexographically first by the service ID, then by - the unit ID. Thus, if an interface has two other services, 'db:1' - and 'db:2', with 'db:1' having two units, 'wordpress/0' and 'wordpress/1', - and 'db:2' having one unit, 'mediawiki/0', all of which have a complete - set of data, the relation data for the units will be stored in the - order: 'wordpress/0', 'wordpress/1', 'mediawiki/0'. - - If you only care about a single unit on the relation, you can just - access it as `{{ interface[0]['key'] }}`. However, if you can at all - support multiple units on a relation, you should iterate over the list, - like:: - - {% for unit in interface -%} - {{ unit['key'] }}{% if not loop.last %},{% endif %} - {%- endfor %} - - Note that since all sets of relation data from all related services and - units are in a single list, if you need to know which service or unit a - set of data came from, you'll need to extend this class to preserve - that information. - """ - if not hookenv.relation_ids(self.name): - return - - ns = self.setdefault(self.name, []) - for rid in sorted(hookenv.relation_ids(self.name)): - for unit in sorted(hookenv.related_units(rid)): - reldata = hookenv.relation_get(rid=rid, unit=unit) - if self._is_ready(reldata): - ns.append(reldata) - - def provide_data(self): - """ - Return data to be relation_set for this interface. - """ - return {} - - -class MysqlRelation(RelationContext): - """ - Relation context for the `mysql` interface. - - :param str name: Override the relation :attr:`name`, since it can vary from charm to charm - :param list additional_required_keys: Extend the list of :attr:`required_keys` - """ - name = 'db' - interface = 'mysql' - - def __init__(self, *args, **kwargs): - self.required_keys = ['host', 'user', 'password', 'database'] - RelationContext.__init__(self, *args, **kwargs) - - -class HttpRelation(RelationContext): - """ - Relation context for the `http` interface. - - :param str name: Override the relation :attr:`name`, since it can vary from charm to charm - :param list additional_required_keys: Extend the list of :attr:`required_keys` - """ - name = 'website' - interface = 'http' - - def __init__(self, *args, **kwargs): - self.required_keys = ['host', 'port'] - RelationContext.__init__(self, *args, **kwargs) - - def provide_data(self): - return { - 'host': hookenv.unit_get('private-address'), - 'port': 80, - } - - -class RequiredConfig(dict): - """ - Data context that loads config options with one or more mandatory options. - - Once the required options have been changed from their default values, all - config options will be available, namespaced under `config` to prevent - potential naming conflicts (for example, between a config option and a - relation property). - - :param list *args: List of options that must be changed from their default values. - """ - - def __init__(self, *args): - self.required_options = args - self['config'] = hookenv.config() - with open(os.path.join(hookenv.charm_dir(), 'config.yaml')) as fp: - self.config = yaml.load(fp).get('options', {}) - - def __bool__(self): - for option in self.required_options: - if option not in self['config']: - return False - current_value = self['config'][option] - default_value = self.config[option].get('default') - if current_value == default_value: - return False - if current_value in (None, '') and default_value in (None, ''): - return False - return True - - def __nonzero__(self): - return self.__bool__() - - -class StoredContext(dict): - """ - A data context that always returns the data that it was first created with. - - This is useful to do a one-time generation of things like passwords, that - will thereafter use the same value that was originally generated, instead - of generating a new value each time it is run. - """ - def __init__(self, file_name, config_data): - """ - If the file exists, populate `self` with the data from the file. - Otherwise, populate with the given data and persist it to the file. - """ - if os.path.exists(file_name): - self.update(self.read_context(file_name)) - else: - self.store_context(file_name, config_data) - self.update(config_data) - - def store_context(self, file_name, config_data): - if not os.path.isabs(file_name): - file_name = os.path.join(hookenv.charm_dir(), file_name) - with open(file_name, 'w') as file_stream: - os.fchmod(file_stream.fileno(), 0o600) - yaml.dump(config_data, file_stream) - - def read_context(self, file_name): - if not os.path.isabs(file_name): - file_name = os.path.join(hookenv.charm_dir(), file_name) - with open(file_name, 'r') as file_stream: - data = yaml.load(file_stream) - if not data: - raise OSError("%s is empty" % file_name) - return data - - -class TemplateCallback(ManagerCallback): - """ - Callback class that will render a Jinja2 template, for use as a ready - action. - - :param str source: The template source file, relative to - `$CHARM_DIR/templates` - - :param str target: The target to write the rendered template to (or None) - :param str owner: The owner of the rendered file - :param str group: The group of the rendered file - :param int perms: The permissions of the rendered file - :param partial on_change_action: functools partial to be executed when - rendered file changes - :param jinja2 loader template_loader: A jinja2 template loader - - :return str: The rendered template - """ - def __init__(self, source, target, - owner='root', group='root', perms=0o444, - on_change_action=None, template_loader=None): - self.source = source - self.target = target - self.owner = owner - self.group = group - self.perms = perms - self.on_change_action = on_change_action - self.template_loader = template_loader - - def __call__(self, manager, service_name, event_name): - pre_checksum = '' - if self.on_change_action and os.path.isfile(self.target): - pre_checksum = host.file_hash(self.target) - service = manager.get_service(service_name) - context = {'ctx': {}} - for ctx in service.get('required_data', []): - context.update(ctx) - context['ctx'].update(ctx) - - result = templating.render(self.source, self.target, context, - self.owner, self.group, self.perms, - template_loader=self.template_loader) - if self.on_change_action: - if pre_checksum == host.file_hash(self.target): - hookenv.log( - 'No change detected: {}'.format(self.target), - hookenv.DEBUG) - else: - self.on_change_action() - - return result - - -# Convenience aliases for templates -render_template = template = TemplateCallback diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/strutils.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/strutils.py deleted file mode 100644 index dd9b971..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/strutils.py +++ /dev/null @@ -1,70 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import six -import re - - -def bool_from_string(value): - """Interpret string value as boolean. - - Returns True if value translates to True otherwise False. - """ - if isinstance(value, six.string_types): - value = six.text_type(value) - else: - msg = "Unable to interpret non-string value '%s' as boolean" % (value) - raise ValueError(msg) - - value = value.strip().lower() - - if value in ['y', 'yes', 'true', 't', 'on']: - return True - elif value in ['n', 'no', 'false', 'f', 'off']: - return False - - msg = "Unable to interpret string value '%s' as boolean" % (value) - raise ValueError(msg) - - -def bytes_from_string(value): - """Interpret human readable string value as bytes. - - Returns int - """ - BYTE_POWER = { - 'K': 1, - 'KB': 1, - 'M': 2, - 'MB': 2, - 'G': 3, - 'GB': 3, - 'T': 4, - 'TB': 4, - 'P': 5, - 'PB': 5, - } - if isinstance(value, six.string_types): - value = six.text_type(value) - else: - msg = "Unable to interpret non-string value '%s' as boolean" % (value) - raise ValueError(msg) - matches = re.match("([0-9]+)([a-zA-Z]+)", value) - if not matches: - msg = "Unable to interpret string value '%s' as bytes" % (value) - raise ValueError(msg) - return int(matches.group(1)) * (1024 ** BYTE_POWER[matches.group(2)]) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/sysctl.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/sysctl.py deleted file mode 100644 index 6e413e3..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/sysctl.py +++ /dev/null @@ -1,54 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- - -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import yaml - -from subprocess import check_call - -from charmhelpers.core.hookenv import ( - log, - DEBUG, - ERROR, -) - -__author__ = 'Jorge Niedbalski R. <jorge.niedbalski@canonical.com>' - - -def create(sysctl_dict, sysctl_file): - """Creates a sysctl.conf file from a YAML associative array - - :param sysctl_dict: a YAML-formatted string of sysctl options eg "{ 'kernel.max_pid': 1337 }" - :type sysctl_dict: str - :param sysctl_file: path to the sysctl file to be saved - :type sysctl_file: str or unicode - :returns: None - """ - try: - sysctl_dict_parsed = yaml.safe_load(sysctl_dict) - except yaml.YAMLError: - log("Error parsing YAML sysctl_dict: {}".format(sysctl_dict), - level=ERROR) - return - - with open(sysctl_file, "w") as fd: - for key, value in sysctl_dict_parsed.items(): - fd.write("{}={}\n".format(key, value)) - - log("Updating sysctl_file: %s values: %s" % (sysctl_file, sysctl_dict_parsed), - level=DEBUG) - - check_call(["sysctl", "-p", sysctl_file]) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/templating.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/templating.py deleted file mode 100644 index 7b801a3..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/templating.py +++ /dev/null @@ -1,84 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import sys - -from charmhelpers.core import host -from charmhelpers.core import hookenv - - -def render(source, target, context, owner='root', group='root', - perms=0o444, templates_dir=None, encoding='UTF-8', template_loader=None): - """ - Render a template. - - The `source` path, if not absolute, is relative to the `templates_dir`. - - The `target` path should be absolute. It can also be `None`, in which - case no file will be written. - - The context should be a dict containing the values to be replaced in the - template. - - The `owner`, `group`, and `perms` options will be passed to `write_file`. - - If omitted, `templates_dir` defaults to the `templates` folder in the charm. - - The rendered template will be written to the file as well as being returned - as a string. - - Note: Using this requires python-jinja2 or python3-jinja2; if it is not - installed, calling this will attempt to use charmhelpers.fetch.apt_install - to install it. - """ - try: - from jinja2 import FileSystemLoader, Environment, exceptions - except ImportError: - try: - from charmhelpers.fetch import apt_install - except ImportError: - hookenv.log('Could not import jinja2, and could not import ' - 'charmhelpers.fetch to install it', - level=hookenv.ERROR) - raise - if sys.version_info.major == 2: - apt_install('python-jinja2', fatal=True) - else: - apt_install('python3-jinja2', fatal=True) - from jinja2 import FileSystemLoader, Environment, exceptions - - if template_loader: - template_env = Environment(loader=template_loader) - else: - if templates_dir is None: - templates_dir = os.path.join(hookenv.charm_dir(), 'templates') - template_env = Environment(loader=FileSystemLoader(templates_dir)) - try: - source = source - template = template_env.get_template(source) - except exceptions.TemplateNotFound as e: - hookenv.log('Could not load template %s from %s.' % - (source, templates_dir), - level=hookenv.ERROR) - raise e - content = template.render(context) - if target is not None: - target_dir = os.path.dirname(target) - if not os.path.exists(target_dir): - # This is a terrible default directory permission, as the file - # or its siblings will often contain secrets. - host.mkdir(os.path.dirname(target), owner, group, perms=0o755) - host.write_file(target, content.encode(encoding), owner, group, perms) - return content diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/unitdata.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/unitdata.py deleted file mode 100644 index 54ec969..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/core/unitdata.py +++ /dev/null @@ -1,518 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# -# Authors: -# Kapil Thangavelu <kapil.foss@gmail.com> -# -""" -Intro ------ - -A simple way to store state in units. This provides a key value -storage with support for versioned, transactional operation, -and can calculate deltas from previous values to simplify unit logic -when processing changes. - - -Hook Integration ----------------- - -There are several extant frameworks for hook execution, including - - - charmhelpers.core.hookenv.Hooks - - charmhelpers.core.services.ServiceManager - -The storage classes are framework agnostic, one simple integration is -via the HookData contextmanager. It will record the current hook -execution environment (including relation data, config data, etc.), -setup a transaction and allow easy access to the changes from -previously seen values. One consequence of the integration is the -reservation of particular keys ('rels', 'unit', 'env', 'config', -'charm_revisions') for their respective values. - -Here's a fully worked integration example using hookenv.Hooks:: - - from charmhelper.core import hookenv, unitdata - - hook_data = unitdata.HookData() - db = unitdata.kv() - hooks = hookenv.Hooks() - - @hooks.hook - def config_changed(): - # Print all changes to configuration from previously seen - # values. - for changed, (prev, cur) in hook_data.conf.items(): - print('config changed', changed, - 'previous value', prev, - 'current value', cur) - - # Get some unit specific bookeeping - if not db.get('pkg_key'): - key = urllib.urlopen('https://example.com/pkg_key').read() - db.set('pkg_key', key) - - # Directly access all charm config as a mapping. - conf = db.getrange('config', True) - - # Directly access all relation data as a mapping - rels = db.getrange('rels', True) - - if __name__ == '__main__': - with hook_data(): - hook.execute() - - -A more basic integration is via the hook_scope context manager which simply -manages transaction scope (and records hook name, and timestamp):: - - >>> from unitdata import kv - >>> db = kv() - >>> with db.hook_scope('install'): - ... # do work, in transactional scope. - ... db.set('x', 1) - >>> db.get('x') - 1 - - -Usage ------ - -Values are automatically json de/serialized to preserve basic typing -and complex data struct capabilities (dicts, lists, ints, booleans, etc). - -Individual values can be manipulated via get/set:: - - >>> kv.set('y', True) - >>> kv.get('y') - True - - # We can set complex values (dicts, lists) as a single key. - >>> kv.set('config', {'a': 1, 'b': True'}) - - # Also supports returning dictionaries as a record which - # provides attribute access. - >>> config = kv.get('config', record=True) - >>> config.b - True - - -Groups of keys can be manipulated with update/getrange:: - - >>> kv.update({'z': 1, 'y': 2}, prefix="gui.") - >>> kv.getrange('gui.', strip=True) - {'z': 1, 'y': 2} - -When updating values, its very helpful to understand which values -have actually changed and how have they changed. The storage -provides a delta method to provide for this:: - - >>> data = {'debug': True, 'option': 2} - >>> delta = kv.delta(data, 'config.') - >>> delta.debug.previous - None - >>> delta.debug.current - True - >>> delta - {'debug': (None, True), 'option': (None, 2)} - -Note the delta method does not persist the actual change, it needs to -be explicitly saved via 'update' method:: - - >>> kv.update(data, 'config.') - -Values modified in the context of a hook scope retain historical values -associated to the hookname. - - >>> with db.hook_scope('config-changed'): - ... db.set('x', 42) - >>> db.gethistory('x') - [(1, u'x', 1, u'install', u'2015-01-21T16:49:30.038372'), - (2, u'x', 42, u'config-changed', u'2015-01-21T16:49:30.038786')] - -""" - -import collections -import contextlib -import datetime -import itertools -import json -import os -import pprint -import sqlite3 -import sys - -__author__ = 'Kapil Thangavelu <kapil.foss@gmail.com>' - - -class Storage(object): - """Simple key value database for local unit state within charms. - - Modifications are not persisted unless :meth:`flush` is called. - - To support dicts, lists, integer, floats, and booleans values - are automatically json encoded/decoded. - """ - def __init__(self, path=None): - self.db_path = path - if path is None: - if 'UNIT_STATE_DB' in os.environ: - self.db_path = os.environ['UNIT_STATE_DB'] - else: - self.db_path = os.path.join( - os.environ.get('CHARM_DIR', ''), '.unit-state.db') - self.conn = sqlite3.connect('%s' % self.db_path) - self.cursor = self.conn.cursor() - self.revision = None - self._closed = False - self._init() - - def close(self): - if self._closed: - return - self.flush(False) - self.cursor.close() - self.conn.close() - self._closed = True - - def get(self, key, default=None, record=False): - self.cursor.execute('select data from kv where key=?', [key]) - result = self.cursor.fetchone() - if not result: - return default - if record: - return Record(json.loads(result[0])) - return json.loads(result[0]) - - def getrange(self, key_prefix, strip=False): - """ - Get a range of keys starting with a common prefix as a mapping of - keys to values. - - :param str key_prefix: Common prefix among all keys - :param bool strip: Optionally strip the common prefix from the key - names in the returned dict - :return dict: A (possibly empty) dict of key-value mappings - """ - self.cursor.execute("select key, data from kv where key like ?", - ['%s%%' % key_prefix]) - result = self.cursor.fetchall() - - if not result: - return {} - if not strip: - key_prefix = '' - return dict([ - (k[len(key_prefix):], json.loads(v)) for k, v in result]) - - def update(self, mapping, prefix=""): - """ - Set the values of multiple keys at once. - - :param dict mapping: Mapping of keys to values - :param str prefix: Optional prefix to apply to all keys in `mapping` - before setting - """ - for k, v in mapping.items(): - self.set("%s%s" % (prefix, k), v) - - def unset(self, key): - """ - Remove a key from the database entirely. - """ - self.cursor.execute('delete from kv where key=?', [key]) - if self.revision and self.cursor.rowcount: - self.cursor.execute( - 'insert into kv_revisions values (?, ?, ?)', - [key, self.revision, json.dumps('DELETED')]) - - def unsetrange(self, keys=None, prefix=""): - """ - Remove a range of keys starting with a common prefix, from the database - entirely. - - :param list keys: List of keys to remove. - :param str prefix: Optional prefix to apply to all keys in ``keys`` - before removing. - """ - if keys is not None: - keys = ['%s%s' % (prefix, key) for key in keys] - self.cursor.execute('delete from kv where key in (%s)' % ','.join(['?'] * len(keys)), keys) - if self.revision and self.cursor.rowcount: - self.cursor.execute( - 'insert into kv_revisions values %s' % ','.join(['(?, ?, ?)'] * len(keys)), - list(itertools.chain.from_iterable((key, self.revision, json.dumps('DELETED')) for key in keys))) - else: - self.cursor.execute('delete from kv where key like ?', - ['%s%%' % prefix]) - if self.revision and self.cursor.rowcount: - self.cursor.execute( - 'insert into kv_revisions values (?, ?, ?)', - ['%s%%' % prefix, self.revision, json.dumps('DELETED')]) - - def set(self, key, value): - """ - Set a value in the database. - - :param str key: Key to set the value for - :param value: Any JSON-serializable value to be set - """ - serialized = json.dumps(value) - - self.cursor.execute('select data from kv where key=?', [key]) - exists = self.cursor.fetchone() - - # Skip mutations to the same value - if exists: - if exists[0] == serialized: - return value - - if not exists: - self.cursor.execute( - 'insert into kv (key, data) values (?, ?)', - (key, serialized)) - else: - self.cursor.execute(''' - update kv - set data = ? - where key = ?''', [serialized, key]) - - # Save - if not self.revision: - return value - - self.cursor.execute( - 'select 1 from kv_revisions where key=? and revision=?', - [key, self.revision]) - exists = self.cursor.fetchone() - - if not exists: - self.cursor.execute( - '''insert into kv_revisions ( - revision, key, data) values (?, ?, ?)''', - (self.revision, key, serialized)) - else: - self.cursor.execute( - ''' - update kv_revisions - set data = ? - where key = ? - and revision = ?''', - [serialized, key, self.revision]) - - return value - - def delta(self, mapping, prefix): - """ - return a delta containing values that have changed. - """ - previous = self.getrange(prefix, strip=True) - if not previous: - pk = set() - else: - pk = set(previous.keys()) - ck = set(mapping.keys()) - delta = DeltaSet() - - # added - for k in ck.difference(pk): - delta[k] = Delta(None, mapping[k]) - - # removed - for k in pk.difference(ck): - delta[k] = Delta(previous[k], None) - - # changed - for k in pk.intersection(ck): - c = mapping[k] - p = previous[k] - if c != p: - delta[k] = Delta(p, c) - - return delta - - @contextlib.contextmanager - def hook_scope(self, name=""): - """Scope all future interactions to the current hook execution - revision.""" - assert not self.revision - self.cursor.execute( - 'insert into hooks (hook, date) values (?, ?)', - (name or sys.argv[0], - datetime.datetime.utcnow().isoformat())) - self.revision = self.cursor.lastrowid - try: - yield self.revision - self.revision = None - except: - self.flush(False) - self.revision = None - raise - else: - self.flush() - - def flush(self, save=True): - if save: - self.conn.commit() - elif self._closed: - return - else: - self.conn.rollback() - - def _init(self): - self.cursor.execute(''' - create table if not exists kv ( - key text, - data text, - primary key (key) - )''') - self.cursor.execute(''' - create table if not exists kv_revisions ( - key text, - revision integer, - data text, - primary key (key, revision) - )''') - self.cursor.execute(''' - create table if not exists hooks ( - version integer primary key autoincrement, - hook text, - date text - )''') - self.conn.commit() - - def gethistory(self, key, deserialize=False): - self.cursor.execute( - ''' - select kv.revision, kv.key, kv.data, h.hook, h.date - from kv_revisions kv, - hooks h - where kv.key=? - and kv.revision = h.version - ''', [key]) - if deserialize is False: - return self.cursor.fetchall() - return map(_parse_history, self.cursor.fetchall()) - - def debug(self, fh=sys.stderr): - self.cursor.execute('select * from kv') - pprint.pprint(self.cursor.fetchall(), stream=fh) - self.cursor.execute('select * from kv_revisions') - pprint.pprint(self.cursor.fetchall(), stream=fh) - - -def _parse_history(d): - return (d[0], d[1], json.loads(d[2]), d[3], - datetime.datetime.strptime(d[-1], "%Y-%m-%dT%H:%M:%S.%f")) - - -class HookData(object): - """Simple integration for existing hook exec frameworks. - - Records all unit information, and stores deltas for processing - by the hook. - - Sample:: - - from charmhelper.core import hookenv, unitdata - - changes = unitdata.HookData() - db = unitdata.kv() - hooks = hookenv.Hooks() - - @hooks.hook - def config_changed(): - # View all changes to configuration - for changed, (prev, cur) in changes.conf.items(): - print('config changed', changed, - 'previous value', prev, - 'current value', cur) - - # Get some unit specific bookeeping - if not db.get('pkg_key'): - key = urllib.urlopen('https://example.com/pkg_key').read() - db.set('pkg_key', key) - - if __name__ == '__main__': - with changes(): - hook.execute() - - """ - def __init__(self): - self.kv = kv() - self.conf = None - self.rels = None - - @contextlib.contextmanager - def __call__(self): - from charmhelpers.core import hookenv - hook_name = hookenv.hook_name() - - with self.kv.hook_scope(hook_name): - self._record_charm_version(hookenv.charm_dir()) - delta_config, delta_relation = self._record_hook(hookenv) - yield self.kv, delta_config, delta_relation - - def _record_charm_version(self, charm_dir): - # Record revisions.. charm revisions are meaningless - # to charm authors as they don't control the revision. - # so logic dependnent on revision is not particularly - # useful, however it is useful for debugging analysis. - charm_rev = open( - os.path.join(charm_dir, 'revision')).read().strip() - charm_rev = charm_rev or '0' - revs = self.kv.get('charm_revisions', []) - if charm_rev not in revs: - revs.append(charm_rev.strip() or '0') - self.kv.set('charm_revisions', revs) - - def _record_hook(self, hookenv): - data = hookenv.execution_environment() - self.conf = conf_delta = self.kv.delta(data['conf'], 'config') - self.rels = rels_delta = self.kv.delta(data['rels'], 'rels') - self.kv.set('env', dict(data['env'])) - self.kv.set('unit', data['unit']) - self.kv.set('relid', data.get('relid')) - return conf_delta, rels_delta - - -class Record(dict): - - __slots__ = () - - def __getattr__(self, k): - if k in self: - return self[k] - raise AttributeError(k) - - -class DeltaSet(Record): - - __slots__ = () - - -Delta = collections.namedtuple('Delta', ['previous', 'current']) - - -_KV = None - - -def kv(): - global _KV - if _KV is None: - _KV = Storage() - return _KV diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/__init__.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/__init__.py deleted file mode 100644 index 52eaf82..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/__init__.py +++ /dev/null @@ -1,467 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import importlib -from tempfile import NamedTemporaryFile -import time -from yaml import safe_load -from charmhelpers.core.host import ( - lsb_release -) -import subprocess -from charmhelpers.core.hookenv import ( - config, - log, -) -import os - -import six -if six.PY3: - from urllib.parse import urlparse, urlunparse -else: - from urlparse import urlparse, urlunparse - - -CLOUD_ARCHIVE = """# Ubuntu Cloud Archive -deb http://ubuntu-cloud.archive.canonical.com/ubuntu {} main -""" -PROPOSED_POCKET = """# Proposed -deb http://archive.ubuntu.com/ubuntu {}-proposed main universe multiverse restricted -""" -CLOUD_ARCHIVE_POCKETS = { - # Folsom - 'folsom': 'precise-updates/folsom', - 'precise-folsom': 'precise-updates/folsom', - 'precise-folsom/updates': 'precise-updates/folsom', - 'precise-updates/folsom': 'precise-updates/folsom', - 'folsom/proposed': 'precise-proposed/folsom', - 'precise-folsom/proposed': 'precise-proposed/folsom', - 'precise-proposed/folsom': 'precise-proposed/folsom', - # Grizzly - 'grizzly': 'precise-updates/grizzly', - 'precise-grizzly': 'precise-updates/grizzly', - 'precise-grizzly/updates': 'precise-updates/grizzly', - 'precise-updates/grizzly': 'precise-updates/grizzly', - 'grizzly/proposed': 'precise-proposed/grizzly', - 'precise-grizzly/proposed': 'precise-proposed/grizzly', - 'precise-proposed/grizzly': 'precise-proposed/grizzly', - # Havana - 'havana': 'precise-updates/havana', - 'precise-havana': 'precise-updates/havana', - 'precise-havana/updates': 'precise-updates/havana', - 'precise-updates/havana': 'precise-updates/havana', - 'havana/proposed': 'precise-proposed/havana', - 'precise-havana/proposed': 'precise-proposed/havana', - 'precise-proposed/havana': 'precise-proposed/havana', - # Icehouse - 'icehouse': 'precise-updates/icehouse', - 'precise-icehouse': 'precise-updates/icehouse', - 'precise-icehouse/updates': 'precise-updates/icehouse', - 'precise-updates/icehouse': 'precise-updates/icehouse', - 'icehouse/proposed': 'precise-proposed/icehouse', - 'precise-icehouse/proposed': 'precise-proposed/icehouse', - 'precise-proposed/icehouse': 'precise-proposed/icehouse', - # Juno - 'juno': 'trusty-updates/juno', - 'trusty-juno': 'trusty-updates/juno', - 'trusty-juno/updates': 'trusty-updates/juno', - 'trusty-updates/juno': 'trusty-updates/juno', - 'juno/proposed': 'trusty-proposed/juno', - 'trusty-juno/proposed': 'trusty-proposed/juno', - 'trusty-proposed/juno': 'trusty-proposed/juno', - # Kilo - 'kilo': 'trusty-updates/kilo', - 'trusty-kilo': 'trusty-updates/kilo', - 'trusty-kilo/updates': 'trusty-updates/kilo', - 'trusty-updates/kilo': 'trusty-updates/kilo', - 'kilo/proposed': 'trusty-proposed/kilo', - 'trusty-kilo/proposed': 'trusty-proposed/kilo', - 'trusty-proposed/kilo': 'trusty-proposed/kilo', - # Liberty - 'liberty': 'trusty-updates/liberty', - 'trusty-liberty': 'trusty-updates/liberty', - 'trusty-liberty/updates': 'trusty-updates/liberty', - 'trusty-updates/liberty': 'trusty-updates/liberty', - 'liberty/proposed': 'trusty-proposed/liberty', - 'trusty-liberty/proposed': 'trusty-proposed/liberty', - 'trusty-proposed/liberty': 'trusty-proposed/liberty', - # Mitaka - 'mitaka': 'trusty-updates/mitaka', - 'trusty-mitaka': 'trusty-updates/mitaka', - 'trusty-mitaka/updates': 'trusty-updates/mitaka', - 'trusty-updates/mitaka': 'trusty-updates/mitaka', - 'mitaka/proposed': 'trusty-proposed/mitaka', - 'trusty-mitaka/proposed': 'trusty-proposed/mitaka', - 'trusty-proposed/mitaka': 'trusty-proposed/mitaka', - # Newton - 'newton': 'xenial-updates/newton', - 'xenial-newton': 'xenial-updates/newton', - 'xenial-newton/updates': 'xenial-updates/newton', - 'xenial-updates/newton': 'xenial-updates/newton', - 'newton/proposed': 'xenial-proposed/newton', - 'xenial-newton/proposed': 'xenial-proposed/newton', - 'xenial-proposed/newton': 'xenial-proposed/newton', -} - -# The order of this list is very important. Handlers should be listed in from -# least- to most-specific URL matching. -FETCH_HANDLERS = ( - 'charmhelpers.fetch.archiveurl.ArchiveUrlFetchHandler', - 'charmhelpers.fetch.bzrurl.BzrUrlFetchHandler', - 'charmhelpers.fetch.giturl.GitUrlFetchHandler', -) - -APT_NO_LOCK = 100 # The return code for "couldn't acquire lock" in APT. -APT_NO_LOCK_RETRY_DELAY = 10 # Wait 10 seconds between apt lock checks. -APT_NO_LOCK_RETRY_COUNT = 30 # Retry to acquire the lock X times. - - -class SourceConfigError(Exception): - pass - - -class UnhandledSource(Exception): - pass - - -class AptLockError(Exception): - pass - - -class BaseFetchHandler(object): - - """Base class for FetchHandler implementations in fetch plugins""" - - def can_handle(self, source): - """Returns True if the source can be handled. Otherwise returns - a string explaining why it cannot""" - return "Wrong source type" - - def install(self, source): - """Try to download and unpack the source. Return the path to the - unpacked files or raise UnhandledSource.""" - raise UnhandledSource("Wrong source type {}".format(source)) - - def parse_url(self, url): - return urlparse(url) - - def base_url(self, url): - """Return url without querystring or fragment""" - parts = list(self.parse_url(url)) - parts[4:] = ['' for i in parts[4:]] - return urlunparse(parts) - - -def filter_installed_packages(packages): - """Returns a list of packages that require installation""" - cache = apt_cache() - _pkgs = [] - for package in packages: - try: - p = cache[package] - p.current_ver or _pkgs.append(package) - except KeyError: - log('Package {} has no installation candidate.'.format(package), - level='WARNING') - _pkgs.append(package) - return _pkgs - - -def apt_cache(in_memory=True, progress=None): - """Build and return an apt cache""" - from apt import apt_pkg - apt_pkg.init() - if in_memory: - apt_pkg.config.set("Dir::Cache::pkgcache", "") - apt_pkg.config.set("Dir::Cache::srcpkgcache", "") - return apt_pkg.Cache(progress) - - -def apt_install(packages, options=None, fatal=False): - """Install one or more packages""" - if options is None: - options = ['--option=Dpkg::Options::=--force-confold'] - - cmd = ['apt-get', '--assume-yes'] - cmd.extend(options) - cmd.append('install') - if isinstance(packages, six.string_types): - cmd.append(packages) - else: - cmd.extend(packages) - log("Installing {} with options: {}".format(packages, - options)) - _run_apt_command(cmd, fatal) - - -def apt_upgrade(options=None, fatal=False, dist=False): - """Upgrade all packages""" - if options is None: - options = ['--option=Dpkg::Options::=--force-confold'] - - cmd = ['apt-get', '--assume-yes'] - cmd.extend(options) - if dist: - cmd.append('dist-upgrade') - else: - cmd.append('upgrade') - log("Upgrading with options: {}".format(options)) - _run_apt_command(cmd, fatal) - - -def apt_update(fatal=False): - """Update local apt cache""" - cmd = ['apt-get', 'update'] - _run_apt_command(cmd, fatal) - - -def apt_purge(packages, fatal=False): - """Purge one or more packages""" - cmd = ['apt-get', '--assume-yes', 'purge'] - if isinstance(packages, six.string_types): - cmd.append(packages) - else: - cmd.extend(packages) - log("Purging {}".format(packages)) - _run_apt_command(cmd, fatal) - - -def apt_mark(packages, mark, fatal=False): - """Flag one or more packages using apt-mark""" - log("Marking {} as {}".format(packages, mark)) - cmd = ['apt-mark', mark] - if isinstance(packages, six.string_types): - cmd.append(packages) - else: - cmd.extend(packages) - - if fatal: - subprocess.check_call(cmd, universal_newlines=True) - else: - subprocess.call(cmd, universal_newlines=True) - - -def apt_hold(packages, fatal=False): - return apt_mark(packages, 'hold', fatal=fatal) - - -def apt_unhold(packages, fatal=False): - return apt_mark(packages, 'unhold', fatal=fatal) - - -def add_source(source, key=None): - """Add a package source to this system. - - @param source: a URL or sources.list entry, as supported by - add-apt-repository(1). Examples:: - - ppa:charmers/example - deb https://stub:key@private.example.com/ubuntu trusty main - - In addition: - 'proposed:' may be used to enable the standard 'proposed' - pocket for the release. - 'cloud:' may be used to activate official cloud archive pockets, - such as 'cloud:icehouse' - 'distro' may be used as a noop - - @param key: A key to be added to the system's APT keyring and used - to verify the signatures on packages. Ideally, this should be an - ASCII format GPG public key including the block headers. A GPG key - id may also be used, but be aware that only insecure protocols are - available to retrieve the actual public key from a public keyserver - placing your Juju environment at risk. ppa and cloud archive keys - are securely added automtically, so sould not be provided. - """ - if source is None: - log('Source is not present. Skipping') - return - - if (source.startswith('ppa:') or - source.startswith('http') or - source.startswith('deb ') or - source.startswith('cloud-archive:')): - subprocess.check_call(['add-apt-repository', '--yes', source]) - elif source.startswith('cloud:'): - apt_install(filter_installed_packages(['ubuntu-cloud-keyring']), - fatal=True) - pocket = source.split(':')[-1] - if pocket not in CLOUD_ARCHIVE_POCKETS: - raise SourceConfigError( - 'Unsupported cloud: source option %s' % - pocket) - actual_pocket = CLOUD_ARCHIVE_POCKETS[pocket] - with open('/etc/apt/sources.list.d/cloud-archive.list', 'w') as apt: - apt.write(CLOUD_ARCHIVE.format(actual_pocket)) - elif source == 'proposed': - release = lsb_release()['DISTRIB_CODENAME'] - with open('/etc/apt/sources.list.d/proposed.list', 'w') as apt: - apt.write(PROPOSED_POCKET.format(release)) - elif source == 'distro': - pass - else: - log("Unknown source: {!r}".format(source)) - - if key: - if '-----BEGIN PGP PUBLIC KEY BLOCK-----' in key: - with NamedTemporaryFile('w+') as key_file: - key_file.write(key) - key_file.flush() - key_file.seek(0) - subprocess.check_call(['apt-key', 'add', '-'], stdin=key_file) - else: - # Note that hkp: is in no way a secure protocol. Using a - # GPG key id is pointless from a security POV unless you - # absolutely trust your network and DNS. - subprocess.check_call(['apt-key', 'adv', '--keyserver', - 'hkp://keyserver.ubuntu.com:80', '--recv', - key]) - - -def configure_sources(update=False, - sources_var='install_sources', - keys_var='install_keys'): - """ - Configure multiple sources from charm configuration. - - The lists are encoded as yaml fragments in the configuration. - The frament needs to be included as a string. Sources and their - corresponding keys are of the types supported by add_source(). - - Example config: - install_sources: | - - "ppa:foo" - - "http://example.com/repo precise main" - install_keys: | - - null - - "a1b2c3d4" - - Note that 'null' (a.k.a. None) should not be quoted. - """ - sources = safe_load((config(sources_var) or '').strip()) or [] - keys = safe_load((config(keys_var) or '').strip()) or None - - if isinstance(sources, six.string_types): - sources = [sources] - - if keys is None: - for source in sources: - add_source(source, None) - else: - if isinstance(keys, six.string_types): - keys = [keys] - - if len(sources) != len(keys): - raise SourceConfigError( - 'Install sources and keys lists are different lengths') - for source, key in zip(sources, keys): - add_source(source, key) - if update: - apt_update(fatal=True) - - -def install_remote(source, *args, **kwargs): - """ - Install a file tree from a remote source - - The specified source should be a url of the form: - scheme://[host]/path[#[option=value][&...]] - - Schemes supported are based on this modules submodules. - Options supported are submodule-specific. - Additional arguments are passed through to the submodule. - - For example:: - - dest = install_remote('http://example.com/archive.tgz', - checksum='deadbeef', - hash_type='sha1') - - This will download `archive.tgz`, validate it using SHA1 and, if - the file is ok, extract it and return the directory in which it - was extracted. If the checksum fails, it will raise - :class:`charmhelpers.core.host.ChecksumError`. - """ - # We ONLY check for True here because can_handle may return a string - # explaining why it can't handle a given source. - handlers = [h for h in plugins() if h.can_handle(source) is True] - for handler in handlers: - try: - return handler.install(source, *args, **kwargs) - except UnhandledSource as e: - log('Install source attempt unsuccessful: {}'.format(e), - level='WARNING') - raise UnhandledSource("No handler found for source {}".format(source)) - - -def install_from_config(config_var_name): - charm_config = config() - source = charm_config[config_var_name] - return install_remote(source) - - -def plugins(fetch_handlers=None): - if not fetch_handlers: - fetch_handlers = FETCH_HANDLERS - plugin_list = [] - for handler_name in fetch_handlers: - package, classname = handler_name.rsplit('.', 1) - try: - handler_class = getattr( - importlib.import_module(package), - classname) - plugin_list.append(handler_class()) - except NotImplementedError: - # Skip missing plugins so that they can be ommitted from - # installation if desired - log("FetchHandler {} not found, skipping plugin".format( - handler_name)) - return plugin_list - - -def _run_apt_command(cmd, fatal=False): - """ - Run an APT command, checking output and retrying if the fatal flag is set - to True. - - :param: cmd: str: The apt command to run. - :param: fatal: bool: Whether the command's output should be checked and - retried. - """ - env = os.environ.copy() - - if 'DEBIAN_FRONTEND' not in env: - env['DEBIAN_FRONTEND'] = 'noninteractive' - - if fatal: - retry_count = 0 - result = None - - # If the command is considered "fatal", we need to retry if the apt - # lock was not acquired. - - while result is None or result == APT_NO_LOCK: - try: - result = subprocess.check_call(cmd, env=env) - except subprocess.CalledProcessError as e: - retry_count = retry_count + 1 - if retry_count > APT_NO_LOCK_RETRY_COUNT: - raise - result = e.returncode - log("Couldn't acquire DPKG lock. Will retry in {} seconds." - "".format(APT_NO_LOCK_RETRY_DELAY)) - time.sleep(APT_NO_LOCK_RETRY_DELAY) - - else: - subprocess.call(cmd, env=env) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/archiveurl.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/archiveurl.py deleted file mode 100644 index dd24f9e..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/archiveurl.py +++ /dev/null @@ -1,165 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -import hashlib -import re - -from charmhelpers.fetch import ( - BaseFetchHandler, - UnhandledSource -) -from charmhelpers.payload.archive import ( - get_archive_handler, - extract, -) -from charmhelpers.core.host import mkdir, check_hash - -import six -if six.PY3: - from urllib.request import ( - build_opener, install_opener, urlopen, urlretrieve, - HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler, - ) - from urllib.parse import urlparse, urlunparse, parse_qs - from urllib.error import URLError -else: - from urllib import urlretrieve - from urllib2 import ( - build_opener, install_opener, urlopen, - HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler, - URLError - ) - from urlparse import urlparse, urlunparse, parse_qs - - -def splituser(host): - '''urllib.splituser(), but six's support of this seems broken''' - _userprog = re.compile('^(.*)@(.*)$') - match = _userprog.match(host) - if match: - return match.group(1, 2) - return None, host - - -def splitpasswd(user): - '''urllib.splitpasswd(), but six's support of this is missing''' - _passwdprog = re.compile('^([^:]*):(.*)$', re.S) - match = _passwdprog.match(user) - if match: - return match.group(1, 2) - return user, None - - -class ArchiveUrlFetchHandler(BaseFetchHandler): - """ - Handler to download archive files from arbitrary URLs. - - Can fetch from http, https, ftp, and file URLs. - - Can install either tarballs (.tar, .tgz, .tbz2, etc) or zip files. - - Installs the contents of the archive in $CHARM_DIR/fetched/. - """ - def can_handle(self, source): - url_parts = self.parse_url(source) - if url_parts.scheme not in ('http', 'https', 'ftp', 'file'): - # XXX: Why is this returning a boolean and a string? It's - # doomed to fail since "bool(can_handle('foo://'))" will be True. - return "Wrong source type" - if get_archive_handler(self.base_url(source)): - return True - return False - - def download(self, source, dest): - """ - Download an archive file. - - :param str source: URL pointing to an archive file. - :param str dest: Local path location to download archive file to. - """ - # propogate all exceptions - # URLError, OSError, etc - proto, netloc, path, params, query, fragment = urlparse(source) - if proto in ('http', 'https'): - auth, barehost = splituser(netloc) - if auth is not None: - source = urlunparse((proto, barehost, path, params, query, fragment)) - username, password = splitpasswd(auth) - passman = HTTPPasswordMgrWithDefaultRealm() - # Realm is set to None in add_password to force the username and password - # to be used whatever the realm - passman.add_password(None, source, username, password) - authhandler = HTTPBasicAuthHandler(passman) - opener = build_opener(authhandler) - install_opener(opener) - response = urlopen(source) - try: - with open(dest, 'wb') as dest_file: - dest_file.write(response.read()) - except Exception as e: - if os.path.isfile(dest): - os.unlink(dest) - raise e - - # Mandatory file validation via Sha1 or MD5 hashing. - def download_and_validate(self, url, hashsum, validate="sha1"): - tempfile, headers = urlretrieve(url) - check_hash(tempfile, hashsum, validate) - return tempfile - - def install(self, source, dest=None, checksum=None, hash_type='sha1'): - """ - Download and install an archive file, with optional checksum validation. - - The checksum can also be given on the `source` URL's fragment. - For example:: - - handler.install('http://example.com/file.tgz#sha1=deadbeef') - - :param str source: URL pointing to an archive file. - :param str dest: Local destination path to install to. If not given, - installs to `$CHARM_DIR/archives/archive_file_name`. - :param str checksum: If given, validate the archive file after download. - :param str hash_type: Algorithm used to generate `checksum`. - Can be any hash alrgorithm supported by :mod:`hashlib`, - such as md5, sha1, sha256, sha512, etc. - - """ - url_parts = self.parse_url(source) - dest_dir = os.path.join(os.environ.get('CHARM_DIR'), 'fetched') - if not os.path.exists(dest_dir): - mkdir(dest_dir, perms=0o755) - dld_file = os.path.join(dest_dir, os.path.basename(url_parts.path)) - try: - self.download(source, dld_file) - except URLError as e: - raise UnhandledSource(e.reason) - except OSError as e: - raise UnhandledSource(e.strerror) - options = parse_qs(url_parts.fragment) - for key, value in options.items(): - if not six.PY3: - algorithms = hashlib.algorithms - else: - algorithms = hashlib.algorithms_available - if key in algorithms: - if len(value) != 1: - raise TypeError( - "Expected 1 hash value, not %d" % len(value)) - expected = value[0] - check_hash(dld_file, expected, key) - if checksum: - check_hash(dld_file, checksum, hash_type) - return extract(dld_file, dest) diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/bzrurl.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/bzrurl.py deleted file mode 100644 index b3404d8..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/bzrurl.py +++ /dev/null @@ -1,75 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -from subprocess import check_call -from charmhelpers.fetch import ( - BaseFetchHandler, - UnhandledSource, - filter_installed_packages, - apt_install, -) -from charmhelpers.core.host import mkdir - - -if filter_installed_packages(['bzr']) != []: - apt_install(['bzr']) - if filter_installed_packages(['bzr']) != []: - raise NotImplementedError('Unable to install bzr') - - -class BzrUrlFetchHandler(BaseFetchHandler): - """Handler for bazaar branches via generic and lp URLs""" - def can_handle(self, source): - url_parts = self.parse_url(source) - if url_parts.scheme not in ('bzr+ssh', 'lp', ''): - return False - elif not url_parts.scheme: - return os.path.exists(os.path.join(source, '.bzr')) - else: - return True - - def branch(self, source, dest, revno=None): - if not self.can_handle(source): - raise UnhandledSource("Cannot handle {}".format(source)) - cmd_opts = [] - if revno: - cmd_opts += ['-r', str(revno)] - if os.path.exists(dest): - cmd = ['bzr', 'pull'] - cmd += cmd_opts - cmd += ['--overwrite', '-d', dest, source] - else: - cmd = ['bzr', 'branch'] - cmd += cmd_opts - cmd += [source, dest] - check_call(cmd) - - def install(self, source, dest=None, revno=None): - url_parts = self.parse_url(source) - branch_name = url_parts.path.strip("/").split("/")[-1] - if dest: - dest_dir = os.path.join(dest, branch_name) - else: - dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched", - branch_name) - - if dest and not os.path.exists(dest): - mkdir(dest, perms=0o755) - - try: - self.branch(source, dest_dir, revno) - except OSError as e: - raise UnhandledSource(e.strerror) - return dest_dir diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/giturl.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/giturl.py deleted file mode 100644 index f708d1e..0000000 --- a/charms/trusty/ceilometer-agent/hooks/charmhelpers/fetch/giturl.py +++ /dev/null @@ -1,68 +0,0 @@ -# Copyright 2014-2015 Canonical Limited. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import os -from subprocess import check_call, CalledProcessError -from charmhelpers.fetch import ( - BaseFetchHandler, - UnhandledSource, - filter_installed_packages, - apt_install, -) - -if filter_installed_packages(['git']) != []: - apt_install(['git']) - if filter_installed_packages(['git']) != []: - raise NotImplementedError('Unable to install git') - - -class GitUrlFetchHandler(BaseFetchHandler): - """Handler for git branches via generic and github URLs""" - def can_handle(self, source): - url_parts = self.parse_url(source) - # TODO (mattyw) no support for ssh git@ yet - if url_parts.scheme not in ('http', 'https', 'git', ''): - return False - elif not url_parts.scheme: - return os.path.exists(os.path.join(source, '.git')) - else: - return True - - def clone(self, source, dest, branch="master", depth=None): - if not self.can_handle(source): - raise UnhandledSource("Cannot handle {}".format(source)) - - if os.path.exists(dest): - cmd = ['git', '-C', dest, 'pull', source, branch] - else: - cmd = ['git', 'clone', source, dest, '--branch', branch] - if depth: - cmd.extend(['--depth', depth]) - check_call(cmd) - - def install(self, source, branch="master", dest=None, depth=None): - url_parts = self.parse_url(source) - branch_name = url_parts.path.strip("/").split("/")[-1] - if dest: - dest_dir = os.path.join(dest, branch_name) - else: - dest_dir = os.path.join(os.environ.get('CHARM_DIR'), "fetched", - branch_name) - try: - self.clone(source, dest_dir, branch, depth) - except CalledProcessError as e: - raise UnhandledSource(e) - except OSError as e: - raise UnhandledSource(e.strerror) - return dest_dir diff --git a/charms/trusty/ceilometer-agent/hooks/config-changed b/charms/trusty/ceilometer-agent/hooks/config-changed deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/config-changed +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/install b/charms/trusty/ceilometer-agent/hooks/install deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/install +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/nova-ceilometer-relation-joined b/charms/trusty/ceilometer-agent/hooks/nova-ceilometer-relation-joined deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/nova-ceilometer-relation-joined +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/nrpe-external-master-relation-changed b/charms/trusty/ceilometer-agent/hooks/nrpe-external-master-relation-changed deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/nrpe-external-master-relation-changed +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/nrpe-external-master-relation-joined b/charms/trusty/ceilometer-agent/hooks/nrpe-external-master-relation-joined deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/nrpe-external-master-relation-joined +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/start b/charms/trusty/ceilometer-agent/hooks/start deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/start +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/stop b/charms/trusty/ceilometer-agent/hooks/stop deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/stop +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file diff --git a/charms/trusty/ceilometer-agent/hooks/upgrade-charm b/charms/trusty/ceilometer-agent/hooks/upgrade-charm deleted file mode 120000 index c948469..0000000 --- a/charms/trusty/ceilometer-agent/hooks/upgrade-charm +++ /dev/null @@ -1 +0,0 @@ -ceilometer_hooks.py
\ No newline at end of file |