Charms for Contrail 3.1 with Mitaka

Change-Id: Id37f3b9743d1974e31fcd7cd9c54be41bb0c47fb
Signed-off-by: Stuart Mackie <wsmackie@juniper.net>

7 files changed, 594 insertions, 0 deletions

diff --git a/charms/trusty/ceilometer-agent/unit_tests/__init__.py b/charms/trusty/ceilometer-agent/unit_tests/__init__.py
new file mode 100644
index 0000000..6c9ae40
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/__init__.py
@@ -0,0 +1,17 @@
+# 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
+sys.path.append('actions')
+sys.path.append('hooks')
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_actions.py b/charms/trusty/ceilometer-agent/unit_tests/test_actions.py
new file mode 100644
index 0000000..6f37c83
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_actions.py
@@ -0,0 +1,78 @@
+# 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 mock
+from mock import patch
+
+from test_utils import CharmTestCase
+
+with patch('ceilometer_utils.register_configs') as configs:
+    configs.return_value = 'test-config'
+    import actions
+
+
+class PauseTestCase(CharmTestCase):
+
+    def setUp(self):
+        super(PauseTestCase, self).setUp(
+            actions, ["pause_unit_helper"])
+
+    def test_pauses_services(self):
+        actions.pause([])
+        self.pause_unit_helper.assert_called_once_with('test-config')
+
+
+class ResumeTestCase(CharmTestCase):
+
+    def setUp(self):
+        super(ResumeTestCase, self).setUp(
+            actions, ["resume_unit_helper"])
+
+    def test_pauses_services(self):
+        actions.resume([])
+        self.resume_unit_helper.assert_called_once_with('test-config')
+
+
+class MainTestCase(CharmTestCase):
+
+    def setUp(self):
+        super(MainTestCase, self).setUp(actions, ["action_fail"])
+
+    def test_invokes_action(self):
+        dummy_calls = []
+
+        def dummy_action(args):
+            dummy_calls.append(True)
+
+        with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
+            actions.main(["foo"])
+        self.assertEqual(dummy_calls, [True])
+
+    def test_unknown_action(self):
+        """Unknown actions aren't a traceback."""
+        exit_string = actions.main(["foo"])
+        self.assertEqual("Action foo undefined", exit_string)
+
+    def test_failing_action(self):
+        """Actions which traceback trigger action_fail() calls."""
+        dummy_calls = []
+
+        self.action_fail.side_effect = dummy_calls.append
+
+        def dummy_action(args):
+            raise ValueError("uh oh")
+
+        with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
+            actions.main(["foo"])
+        self.assertEqual(dummy_calls, ["uh oh"])
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_actions_openstack_upgrade.py b/charms/trusty/ceilometer-agent/unit_tests/test_actions_openstack_upgrade.py
new file mode 100644
index 0000000..7628232
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_actions_openstack_upgrade.py
@@ -0,0 +1,69 @@
+# 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 mock import patch
+import os
+
+os.environ['JUJU_UNIT_NAME'] = 'ceilometer'
+
+with patch('ceilometer_utils.register_configs') as register_configs:
+    import openstack_upgrade
+
+from test_utils import (
+    CharmTestCase
+)
+
+TO_PATCH = [
+    'config_changed',
+    'do_openstack_upgrade',
+]
+
+
+class TestCinderUpgradeActions(CharmTestCase):
+
+    def setUp(self):
+        super(TestCinderUpgradeActions, self).setUp(openstack_upgrade,
+                                                    TO_PATCH)
+
+    @patch('charmhelpers.contrib.openstack.utils.juju_log')
+    @patch('charmhelpers.contrib.openstack.utils.config')
+    @patch('charmhelpers.contrib.openstack.utils.action_set')
+    @patch('charmhelpers.contrib.openstack.utils.git_install_requested')
+    @patch('charmhelpers.contrib.openstack.utils.openstack_upgrade_available')
+    def test_openstack_upgrade_true(self, upgrade_avail, git_requested,
+                                    action_set, config, log):
+        git_requested.return_value = False
+        upgrade_avail.return_value = True
+        config.return_value = True
+
+        openstack_upgrade.openstack_upgrade()
+
+        self.assertTrue(self.do_openstack_upgrade.called)
+        self.assertTrue(self.config_changed.called)
+
+    @patch('charmhelpers.contrib.openstack.utils.juju_log')
+    @patch('charmhelpers.contrib.openstack.utils.config')
+    @patch('charmhelpers.contrib.openstack.utils.action_set')
+    @patch('charmhelpers.contrib.openstack.utils.git_install_requested')
+    @patch('charmhelpers.contrib.openstack.utils.openstack_upgrade_available')
+    def test_openstack_upgrade_false(self, upgrade_avail, git_requested,
+                                     action_set, config, log):
+        git_requested.return_value = False
+        upgrade_avail.return_value = True
+        config.return_value = False
+
+        openstack_upgrade.openstack_upgrade()
+
+        self.assertFalse(self.do_openstack_upgrade.called)
+        self.assertFalse(self.config_changed.called)
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_contexts.py b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_contexts.py
new file mode 100644
index 0000000..fdbbf15
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_contexts.py
@@ -0,0 +1,59 @@
+# 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 ceilometer_contexts as contexts
+from test_utils import CharmTestCase
+
+TO_PATCH = [
+    'relation_get',
+    'relation_ids',
+    'related_units',
+]
+
+
+class CeilometerContextsTest(CharmTestCase):
+
+    def setUp(self):
+        super(CeilometerContextsTest, self).setUp(contexts, TO_PATCH)
+        self.relation_get.side_effect = self.test_relation.get
+
+    def tearDown(self):
+        super(CeilometerContextsTest, self).tearDown()
+
+    def test_ceilometer_service_context(self):
+        self.relation_ids.return_value = ['ceilometer-service:0']
+        self.related_units.return_value = ['ceilometer/0']
+        data = {
+            'debug': True,
+            'verbose': False,
+            'rabbitmq_host': 'foo',
+            'rabbitmq_user': 'bar',
+            'rabbitmq_password': 'baz',
+            'rabbitmq_virtual_host': 'openstack',
+            'rabbit_ssl_ca': None,
+            'rabbit_ssl_port': None,
+            'auth_protocol': 'http',
+            'auth_host': 'keystone',
+            'auth_port': '80',
+            'admin_tenant_name': 'admin',
+            'admin_user': 'admin',
+            'admin_password': 'password',
+            'metering_secret': 'secret'
+        }
+        self.test_relation.set(data)
+        self.assertEquals(contexts.CeilometerServiceContext()(), data)
+
+    def test_ceilometer_service_context_not_related(self):
+        self.relation_ids.return_value = []
+        self.assertEquals(contexts.CeilometerServiceContext()(), {})
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_hooks.py b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_hooks.py
new file mode 100644
index 0000000..67a933b
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_hooks.py
@@ -0,0 +1,127 @@
+# 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 json
+from mock import patch, MagicMock
+
+import ceilometer_utils
+# Patch out register_configs for import of hooks
+_register_configs = ceilometer_utils.register_configs
+ceilometer_utils.register_configs = MagicMock()
+
+import ceilometer_hooks as hooks
+
+# Renable old function
+ceilometer_utils.register_configs = _register_configs
+
+from test_utils import CharmTestCase
+
+TO_PATCH = [
+    'configure_installation_source',
+    'apt_install',
+    'apt_update',
+    'config',
+    'filter_installed_packages',
+    'CONFIGS',
+    'relation_set',
+    'openstack_upgrade_available',
+    'do_openstack_upgrade',
+    'update_nrpe_config',
+    'is_relation_made',
+]
+
+
+class CeilometerHooksTest(CharmTestCase):
+
+    def setUp(self):
+        super(CeilometerHooksTest, self).setUp(hooks, TO_PATCH)
+        self.config.side_effect = self.test_config.get
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_configure_source(self, mock_config):
+        self.test_config.set('openstack-origin', 'cloud:precise-havana')
+        hooks.hooks.execute(['hooks/install'])
+        self.configure_installation_source.\
+            assert_called_with('cloud:precise-havana')
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_install_hook(self, mock_config):
+        self.filter_installed_packages.return_value = \
+            hooks.CEILOMETER_AGENT_PACKAGES
+        hooks.hooks.execute(['hooks/install'])
+        self.assertTrue(self.configure_installation_source.called)
+        self.apt_update.assert_called_with(fatal=True)
+        self.apt_install.assert_called_with(hooks.CEILOMETER_AGENT_PACKAGES,
+                                            fatal=True)
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_ceilometer_changed(self, mock_config):
+        hooks.hooks.execute(['hooks/ceilometer-service-relation-changed'])
+        self.assertTrue(self.CONFIGS.write_all.called)
+        self.assertTrue(self.update_nrpe_config.called)
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_ceilometer_changed_no_nrpe(self, mock_config):
+        self.is_relation_made.return_value = False
+
+        hooks.hooks.execute(['hooks/ceilometer-service-relation-changed'])
+        self.assertTrue(self.CONFIGS.write_all.called)
+        self.assertFalse(self.update_nrpe_config.called)
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_nova_ceilometer_joined(self, mock_config):
+        hooks.hooks.execute(['hooks/nova-ceilometer-relation-joined'])
+        self.relation_set.assert_called_with(
+            subordinate_configuration=json.dumps(
+                ceilometer_utils.NOVA_SETTINGS))
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_config_changed_no_upgrade(self, mock_config):
+        self.openstack_upgrade_available.return_value = False
+        hooks.hooks.execute(['hooks/config-changed'])
+        self.openstack_upgrade_available.\
+            assert_called_with('ceilometer-common')
+        self.assertFalse(self.do_openstack_upgrade.called)
+        self.assertTrue(self.CONFIGS.write_all.called)
+        self.assertTrue(self.update_nrpe_config.called)
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_config_changed_upgrade(self, mock_config):
+        self.openstack_upgrade_available.return_value = True
+        hooks.hooks.execute(['hooks/config-changed'])
+        self.openstack_upgrade_available.\
+            assert_called_with('ceilometer-common')
+        self.assertTrue(self.do_openstack_upgrade.called)
+        self.assertTrue(self.CONFIGS.write_all.called)
+        self.assertTrue(self.update_nrpe_config.called)
+
+    def test_config_changed_with_openstack_upgrade_action(self):
+        self.openstack_upgrade_available.return_value = True
+        self.test_config.set('action-managed-upgrade', True)
+
+        hooks.hooks.execute(['hooks/config-changed'])
+
+        self.assertFalse(self.do_openstack_upgrade.called)
+
+    @patch('charmhelpers.core.hookenv.config')
+    def test_config_changed_no_nrpe(self, mock_config):
+        self.openstack_upgrade_available.return_value = False
+        self.is_relation_made.return_value = False
+
+        hooks.hooks.execute(['hooks/config-changed'])
+        self.openstack_upgrade_available.\
+            assert_called_with('ceilometer-common')
+        self.assertFalse(self.do_openstack_upgrade.called)
+        self.assertTrue(self.CONFIGS.write_all.called)
+        self.assertFalse(self.update_nrpe_config.called)
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_utils.py b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_utils.py
new file mode 100644
index 0000000..01ba074
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_ceilometer_utils.py
@@ -0,0 +1,116 @@
+# 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 mock import call, MagicMock, patch
+
+import ceilometer_utils as utils
+
+from test_utils import CharmTestCase
+
+TO_PATCH = [
+    'get_os_codename_package',
+    'templating',
+    'CeilometerServiceContext',
+    'config',
+    'get_os_codename_install_source',
+    'configure_installation_source',
+    'apt_install',
+    'apt_update',
+    'apt_upgrade',
+    'log'
+]
+
+
+class CeilometerUtilsTest(CharmTestCase):
+
+    def setUp(self):
+        super(CeilometerUtilsTest, self).setUp(utils, TO_PATCH)
+
+    def tearDown(self):
+        super(CeilometerUtilsTest, self).tearDown()
+
+    def test_register_configs(self):
+        configs = utils.register_configs()
+        calls = []
+        for conf in utils.CONFIG_FILES:
+            calls.append(call(conf,
+                              utils.CONFIG_FILES[conf]['hook_contexts']))
+        configs.register.assert_has_calls(calls, any_order=True)
+
+    def test_restart_map(self):
+        restart_map = utils.restart_map()
+        self.assertEquals(restart_map,
+                          {'/etc/ceilometer/ceilometer.conf': [
+                              'ceilometer-agent-compute']})
+
+    def test_do_openstack_upgrade(self):
+        self.config.side_effect = self.test_config.get
+        self.test_config.set('openstack-origin', 'cloud:precise-havana')
+        self.get_os_codename_install_source.return_value = 'havana'
+        configs = MagicMock()
+        utils.do_openstack_upgrade(configs)
+        configs.set_release.assert_called_with(openstack_release='havana')
+        self.assertTrue(self.log.called)
+        self.apt_update.assert_called_with(fatal=True)
+        dpkg_opts = [
+            '--option', 'Dpkg::Options::=--force-confnew',
+            '--option', 'Dpkg::Options::=--force-confdef',
+        ]
+        self.apt_install.assert_called_with(
+            packages=utils.CEILOMETER_AGENT_PACKAGES,
+            options=dpkg_opts, fatal=True
+        )
+        self.configure_installation_source.assert_called_with(
+            'cloud:precise-havana'
+        )
+
+    def test_assess_status(self):
+        with patch.object(utils, 'assess_status_func') as asf:
+            callee = MagicMock()
+            asf.return_value = callee
+            utils.assess_status('test-config')
+            asf.assert_called_once_with('test-config')
+            callee.assert_called_once_with()
+
+    @patch.object(utils, 'REQUIRED_INTERFACES')
+    @patch.object(utils, 'services')
+    @patch.object(utils, 'make_assess_status_func')
+    def test_assess_status_func(self,
+                                make_assess_status_func,
+                                services,
+                                REQUIRED_INTERFACES):
+        services.return_value = 's1'
+        utils.assess_status_func('test-config')
+        # ports=None whilst port checks are disabled.
+        make_assess_status_func.assert_called_once_with(
+            'test-config', REQUIRED_INTERFACES, services='s1', ports=None)
+
+    def test_pause_unit_helper(self):
+        with patch.object(utils, '_pause_resume_helper') as prh:
+            utils.pause_unit_helper('random-config')
+            prh.assert_called_once_with(utils.pause_unit, 'random-config')
+        with patch.object(utils, '_pause_resume_helper') as prh:
+            utils.resume_unit_helper('random-config')
+            prh.assert_called_once_with(utils.resume_unit, 'random-config')
+
+    @patch.object(utils, 'services')
+    def test_pause_resume_helper(self, services):
+        f = MagicMock()
+        services.return_value = 's1'
+        with patch.object(utils, 'assess_status_func') as asf:
+            asf.return_value = 'assessor'
+            utils._pause_resume_helper(f, 'some-config')
+            asf.assert_called_once_with('some-config')
+            # ports=None whilst port checks are disabled.
+            f.assert_called_once_with('assessor', services='s1', ports=None)
diff --git a/charms/trusty/ceilometer-agent/unit_tests/test_utils.py b/charms/trusty/ceilometer-agent/unit_tests/test_utils.py
new file mode 100644
index 0000000..09d77a6
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/unit_tests/test_utils.py
@@ -0,0 +1,128 @@
+# 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 logging
+import unittest
+import os
+import yaml
+import io
+
+from contextlib import contextmanager
+from mock import patch
+
+
+@contextmanager
+def mock_open(filename, contents=None):
+    ''' Slightly simpler mock of open to return contents for filename '''
+    def mock_file(*args):
+        if args[0] == filename:
+            return io.StringIO(contents)
+        else:
+            return open(*args)
+    with patch('__builtin__.open', mock_file):
+        yield
+
+
+def load_config():
+    '''
+    Walk backwords from __file__ looking for config.yaml, load and return the
+    'options' section'
+    '''
+    config = None
+    f = __file__
+    while config is None:
+        d = os.path.dirname(f)
+        if os.path.isfile(os.path.join(d, 'config.yaml')):
+            config = os.path.join(d, 'config.yaml')
+            break
+        f = d
+
+    if not config:
+        logging.error('Could not find config.yaml in any parent directory '
+                      'of %s. ' % file)
+        raise Exception
+
+    return yaml.safe_load(open(config).read())['options']
+
+
+def get_default_config():
+    '''
+    Load default charm config from config.yaml return as a dict.
+    If no default is set in config.yaml, its value is None.
+    '''
+    default_config = {}
+    config = load_config()
+    for k, v in config.iteritems():
+        if 'default' in v:
+            default_config[k] = v['default']
+        else:
+            default_config[k] = None
+    return default_config
+
+
+class CharmTestCase(unittest.TestCase):
+
+    def setUp(self, obj, patches):
+        super(CharmTestCase, self).setUp()
+        self.patches = patches
+        self.obj = obj
+        self.test_config = TestConfig()
+        self.test_relation = TestRelation()
+        self.patch_all()
+
+    def patch(self, method):
+        _m = patch.object(self.obj, method)
+        mock = _m.start()
+        self.addCleanup(_m.stop)
+        return mock
+
+    def patch_all(self):
+        for method in self.patches:
+            setattr(self, method, self.patch(method))
+
+
+class TestConfig(object):
+
+    def __init__(self):
+        self.config = get_default_config()
+
+    def get(self, attr):
+        try:
+            return self.config[attr]
+        except KeyError:
+            return None
+
+    def get_all(self):
+        return self.config
+
+    def set(self, attr, value):
+            if attr not in self.config:
+                raise KeyError
+            self.config[attr] = value
+
+
+class TestRelation(object):
+
+    def __init__(self, relation_data={}):
+        self.relation_data = relation_data
+
+    def set(self, relation_data):
+        self.relation_data = relation_data
+
+    def get(self, attr=None, unit=None, rid=None):
+        if attr is None:
+            return self.relation_data
+        elif attr in self.relation_data:
+            return self.relation_data[attr]
+        return None