diff options
author | 2016-06-03 04:04:56 +0000 | |
---|---|---|
committer | 2016-06-03 04:04:56 +0000 | |
commit | b437e54b11a3cd6c1bbfa4b54534321453404516 (patch) | |
tree | aba0905a851f2f6ebc7dfcc0c415ea46072c16c6 /lib/python | |
parent | ae28031af48b31d909eaa9ea2290f578309e4000 (diff) | |
parent | 68fc16c4fc98d26bbb58cda6ce7945c2ac6d79bc (diff) |
Merge "Migrates network environment parsing to python"
Diffstat (limited to 'lib/python')
-rwxr-xr-x | lib/python/apex-python-utils.py | 25 | ||||
-rw-r--r-- | lib/python/apex/__init__.py | 3 | ||||
-rw-r--r-- | lib/python/apex/common/__init__.py | 0 | ||||
-rw-r--r-- | lib/python/apex/common/constants.py | 16 | ||||
-rw-r--r-- | lib/python/apex/common/utils.py | 15 | ||||
-rw-r--r-- | lib/python/apex/network_environment.py | 135 | ||||
-rw-r--r-- | lib/python/apex/network_settings.py (renamed from lib/python/apex/net_env.py) | 50 |
7 files changed, 221 insertions, 23 deletions
diff --git a/lib/python/apex-python-utils.py b/lib/python/apex-python-utils.py index 4eee4f75..6c76cb13 100755 --- a/lib/python/apex-python-utils.py +++ b/lib/python/apex-python-utils.py @@ -12,6 +12,7 @@ import sys import apex import logging import os +import yaml from jinja2 import Environment, FileSystemLoader @@ -26,10 +27,24 @@ def parse_net_settings(args): - network_isolation: bool enable or disable network_isolation """ - settings = apex.NetworkSettings(args.file, + settings = apex.NetworkSettings(args.net_settings_file, args.network_isolation) + net_env = apex.NetworkEnvironment(settings, args.net_env_file) + dump_yaml(net_env.get_netenv_settings(), '/tmp/network-environment.yaml') settings.dump_bash() + +def dump_yaml(data, file): + """ + Dumps data to a file as yaml + :param data: yaml to be written to file + :param file: filename to write to + :return: + """ + with open(file, "w") as fh: + yaml.dump(data, fh, default_flow_style=False) + + def parse_deploy_settings(args): settings = apex.DeploySettings(args.file) settings.dump_bash() @@ -84,11 +99,17 @@ def parse_args(): net_settings = subparsers.add_parser('parse-net-settings', help='Parse network settings file') - net_settings.add_argument('-f', '--file', default='network-settings.yaml', + net_settings.add_argument('-s', '--net-settings-file', + default='network-settings.yaml', + dest='net_settings_file', help='path to network settings file') net_settings.add_argument('-i', '--network-isolation', type=bool, default=True, dest='network_isolation', help='network isolation') + net_settings.add_argument('-e', '--net-env-file', + default="network-environment.yaml", + dest='net_env_file', + help='path to network environment file') net_settings.set_defaults(func=parse_net_settings) get_int_ip = subparsers.add_parser('find-ip', diff --git a/lib/python/apex/__init__.py b/lib/python/apex/__init__.py index 2efc64f4..5b158501 100644 --- a/lib/python/apex/__init__.py +++ b/lib/python/apex/__init__.py @@ -8,5 +8,6 @@ ############################################################################## -from .net_env import NetworkSettings +from .network_settings import NetworkSettings from .deploy_env import DeploySettings +from .network_environment import NetworkEnvironment diff --git a/lib/python/apex/common/__init__.py b/lib/python/apex/common/__init__.py new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/lib/python/apex/common/__init__.py diff --git a/lib/python/apex/common/constants.py b/lib/python/apex/common/constants.py new file mode 100644 index 00000000..506b7b2b --- /dev/null +++ b/lib/python/apex/common/constants.py @@ -0,0 +1,16 @@ +############################################################################## +# Copyright (c) 2016 Tim Rozet (trozet@redhat.com) and others. +# +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 +############################################################################## + +ADMIN_NETWORK = 'admin_network' +PRIVATE_NETWORK = 'private_network' +PUBLIC_NETWORK = 'public_network' +STORAGE_NETWORK = 'storage_network' +API_NETWORK = 'api_network' +OPNFV_NETWORK_TYPES = [ADMIN_NETWORK, PRIVATE_NETWORK, PUBLIC_NETWORK, + STORAGE_NETWORK, API_NETWORK] diff --git a/lib/python/apex/common/utils.py b/lib/python/apex/common/utils.py new file mode 100644 index 00000000..b7678a20 --- /dev/null +++ b/lib/python/apex/common/utils.py @@ -0,0 +1,15 @@ +############################################################################## +# Copyright (c) 2016 Tim Rozet (trozet@redhat.com) and others. +# +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 +############################################################################## + + +def str2bool(var): + if isinstance(var, bool): + return var + else: + return var.lower() in ("true", "yes") diff --git a/lib/python/apex/network_environment.py b/lib/python/apex/network_environment.py new file mode 100644 index 00000000..e6f0135a --- /dev/null +++ b/lib/python/apex/network_environment.py @@ -0,0 +1,135 @@ +############################################################################## +# Copyright (c) 2016 Tim Rozet (trozet@redhat.com) and others. +# +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 +############################################################################## + +import yaml +import re +from .common import constants + +PORTS = '/ports' +# Resources defined by <resource name>: <prefix> +TENANT_RESOURCES = {'OS::TripleO::Network::Tenant': None, + 'OS::TripleO::Controller::Ports::TenantPort': PORTS, + 'OS::TripleO::Compute::Ports::TenantPort': PORTS} +STORAGE_RESOURCES = {'OS::TripleO::Network::Storage': None, + 'OS::TripleO::Network::Ports::StorageVipPort': PORTS, + 'OS::TripleO::Controller::Ports::StoragePort': PORTS, + 'OS::TripleO::Compute::Ports::StoragePort': PORTS} + + +class NetworkEnvironment: + """ + This class creates a Network Environment to be used in TripleO Heat + Templates. + + The class builds upon an existing network-environment file and modifies + based on a NetworkSettings object. + """ + def __init__(self, net_settings, filename): + with open(filename, 'r') as net_env_fh: + self.netenv_obj = yaml.load(net_env_fh) + if net_settings: + settings_obj = net_settings.get_network_settings() + enabled_networks = net_settings.get_enabled_networks() + self.netenv_obj = \ + self._update_net_environment(settings_obj, + enabled_networks) + else: + raise NetworkEnvException("Network Settings does not exist") + + def _update_net_environment(self, net_settings, enabled_networks): + """ + Updates Network Environment according to Network Settings + :param: network settings dictionary + :param: enabled network list + :return: None + """ + param_def = 'parameter_defaults' + reg = 'resource_registry' + for key, prefix in TENANT_RESOURCES.items(): + if prefix is None: + prefix = '' + m = re.split('%s/\w+\.yaml' % prefix, self.netenv_obj[reg][key]) + if m is not None: + tht_dir = m[0] + break + if not tht_dir: + raise NetworkEnvException('Unable to parse THT Directory') + admin_cidr = net_settings[constants.ADMIN_NETWORK]['cidr'] + admin_prefix = str(admin_cidr.prefixlen) + self.netenv_obj[param_def]['ControlPlaneSubnetCidr'] = admin_prefix + self.netenv_obj[param_def]['ControlPlaneDefaultRoute'] = \ + net_settings[constants.ADMIN_NETWORK]['provisioner_ip'] + public_cidr = net_settings[constants.PUBLIC_NETWORK]['cidr'] + self.netenv_obj[param_def]['ExternalNetCidr'] = str(public_cidr) + public_range = net_settings[constants.PUBLIC_NETWORK][ + 'usable_ip_range'].split(',') + self.netenv_obj[param_def]['ExternalAllocationPools'] = \ + [{'start': + public_range[0], + 'end': public_range[1] + }] + self.netenv_obj[param_def]['ExternalInterfaceDefaultRoute'] = \ + net_settings[constants.PUBLIC_NETWORK]['gateway'] + self.netenv_obj[param_def]['EC2MetadataIp'] = \ + net_settings[constants.ADMIN_NETWORK]['provisioner_ip'] + + if constants.PRIVATE_NETWORK in enabled_networks: + priv_range = net_settings[constants.PRIVATE_NETWORK][ + 'usable_ip_range'].split(',') + self.netenv_obj[param_def]['TenantAllocationPools'] = \ + [{'start': + priv_range[0], + 'end': priv_range[1] + }] + priv_cidr = net_settings[constants.PRIVATE_NETWORK]['cidr'] + self.netenv_obj[param_def]['TenantNetCidr'] = str(priv_cidr) + postfix = '/tenant.yaml' + else: + postfix = '/noop.yaml' + + for key, prefix in TENANT_RESOURCES.items(): + if prefix is None: + prefix = '' + self.netenv_obj[reg][key] = tht_dir + prefix + postfix + + if constants.STORAGE_NETWORK in enabled_networks: + storage_range = net_settings[constants.STORAGE_NETWORK][ + 'usable_ip_range'].split(',') + self.netenv_obj[param_def]['StorageAllocationPools'] = \ + [{'start': + storage_range[0], + 'end': + storage_range[1] + }] + storage_cidr = net_settings[constants.STORAGE_NETWORK]['cidr'] + self.netenv_obj[param_def]['StorageNetCidr'] = str(storage_cidr) + postfix = '/storage.yaml' + else: + postfix = '/noop.yaml' + + for key, prefix in STORAGE_RESOURCES.items(): + if prefix is None: + prefix = '' + self.netenv_obj[reg][key] = tht_dir + prefix + postfix + return self.netenv_obj + + def get_netenv_settings(self): + """ + Getter for netenv settings + :return: Dictionary of network environment settings + """ + return self.netenv_obj + + +class NetworkEnvException(Exception): + def __init__(self, value): + self.value = value + + def __str__(self): + return self.value diff --git a/lib/python/apex/net_env.py b/lib/python/apex/network_settings.py index 3ca28f8a..ea7f4ca9 100644 --- a/lib/python/apex/net_env.py +++ b/lib/python/apex/network_settings.py @@ -7,20 +7,11 @@ # http://www.apache.org/licenses/LICENSE-2.0 ############################################################################## - import yaml import logging import ipaddress from . import ip_utils - - -ADMIN_NETWORK = 'admin_network' -PRIVATE_NETWORK = 'private_network' -PUBLIC_NETWORK = 'public_network' -STORAGE_NETWORK = 'storage_network' -API_NETWORK = 'api_network' -OPNFV_NETWORK_TYPES = [ADMIN_NETWORK, PRIVATE_NETWORK, PUBLIC_NETWORK, - STORAGE_NETWORK, API_NETWORK] +from .common import constants, utils class NetworkSettings: @@ -48,21 +39,23 @@ class NetworkSettings: NetworkSettingsException will be raised if validation fails. """ - if ADMIN_NETWORK not in self.settings_obj or \ - self.settings_obj[ADMIN_NETWORK].get('enabled') != True: + if constants.ADMIN_NETWORK not in self.settings_obj or \ + not utils.str2bool(self.settings_obj[constants.ADMIN_NETWORK].get( + 'enabled')): raise NetworkSettingsException("You must enable admin_network " "and configure it explicitly or " "use auto-detection") if self.network_isolation and \ - (PUBLIC_NETWORK not in self.settings_obj or - self.settings_obj[PUBLIC_NETWORK].get('enabled') != True): + (constants.PUBLIC_NETWORK not in self.settings_obj or not + utils.str2bool(self.settings_obj[constants.PUBLIC_NETWORK].get( + 'enabled'))): raise NetworkSettingsException("You must enable public_network " "and configure it explicitly or " "use auto-detection") - for network in OPNFV_NETWORK_TYPES: + for network in constants.OPNFV_NETWORK_TYPES: if network in self.settings_obj: - if self.settings_obj[network].get('enabled') == True: + if utils.str2bool(self.settings_obj[network].get('enabled')): logging.info("{} enabled".format(network)) self._config_required_settings(network) self._config_ip_range(network=network, @@ -99,7 +92,7 @@ class NetworkSettings: elif nic_name: # If cidr is not specified, we need to know if we should find # IPv6 or IPv4 address on the interface - if self.settings_obj[network].get('ipv6') == True: + if utils.str2bool(self.settings_obj[network].get('ipv6')): address_family = 6 else: address_family = 4 @@ -175,14 +168,14 @@ class NetworkSettings: - floating_ip - gateway """ - if network == ADMIN_NETWORK: + if network == constants.ADMIN_NETWORK: self._config_ip(network, 'provisioner_ip', 1) self._config_ip_range(network=network, setting='dhcp_range', start_offset=2, count=9) self._config_ip_range(network=network, setting='introspection_range', start_offset=11, count=9) - elif network == PUBLIC_NETWORK: + elif network == constants.PUBLIC_NETWORK: self._config_ip(network, 'provisioner_ip', 1) self._config_ip_range(network=network, setting='floating_ip', @@ -213,7 +206,6 @@ class NetworkSettings: logging.info("{}_gateway: {}".format(network, gateway)) - def dump_bash(self, path=None): """ Prints settings for bash consumption. @@ -248,9 +240,27 @@ class NetworkSettings: return 4 + def get_network_settings(self): + """ + Getter for network settings + :return: network settings dictionary + """ + return self.settings_obj + + def get_enabled_networks(self): + """ + Getter for enabled network list + :return: list of enabled networks + """ + return self.enabled_network_list + + class NetworkSettingsException(Exception): def __init__(self, value): self.value = value def __str__(self): return self.value + + + |