94 lines
3.5 KiB
Python
94 lines
3.5 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Tests for ceilometer/agent/manager.py
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"""
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import mock
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from oslotest import base
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from oslotest import mockpatch
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from ceilometer import agent
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from ceilometer.compute import manager
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from ceilometer import nova_client
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from ceilometer.tests import agentbase
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class TestManager(base.BaseTestCase):
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def test_load_plugins(self):
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mgr = manager.AgentManager()
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self.assertIsNotNone(list(mgr.pollster_manager))
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class TestRunTasks(agentbase.BaseAgentManagerTestCase):
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def _fake_instance(self, name, state):
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instance = mock.MagicMock()
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instance.name = name
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setattr(instance, 'OS-EXT-STS:vm_state', state)
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return instance
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def _raise_exception(self):
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raise Exception
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@staticmethod
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def create_manager():
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return manager.AgentManager()
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def setUp(self):
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self.source_resources = False
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super(TestRunTasks, self).setUp()
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# Set up a fake instance value to be returned by
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# instance_get_all_by_host() so when the manager gets the list
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# of instances to poll we can control the results.
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self.instances = [self._fake_instance('doing', 'active'),
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self._fake_instance('resting', 'paused')]
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stillborn_instance = self._fake_instance('stillborn', 'error')
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self.useFixture(mockpatch.PatchObject(
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nova_client.Client,
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'instance_get_all_by_host',
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side_effect=lambda *x: self.instances + [stillborn_instance]))
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def test_setup_polling_tasks(self):
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super(TestRunTasks, self).test_setup_polling_tasks()
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self.assertEqual(self.Pollster.samples[0][1], self.instances)
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def test_interval_exception_isolation(self):
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super(TestRunTasks, self).test_interval_exception_isolation()
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self.assertEqual(1, len(self.PollsterException.samples))
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self.assertEqual(1, len(self.PollsterExceptionAnother.samples))
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def test_manager_exception_persistency(self):
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super(TestRunTasks, self).test_manager_exception_persistency()
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with mock.patch.object(nova_client.Client, 'instance_get_all_by_host',
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side_effect=lambda *x: self._raise_exception()):
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mgr = manager.AgentManager()
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polling_task = agent.PollingTask(mgr)
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polling_task.poll_and_publish()
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def test_local_instances_default_agent_discovery(self):
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self.setup_pipeline()
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self.assertEqual(self.mgr.default_discovery, ['local_instances'])
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polling_tasks = self.mgr.setup_polling_tasks()
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self.mgr.interval_task(polling_tasks.get(60))
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self._verify_discovery_params([])
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self.assertEqual(set(self.Pollster.resources),
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set(self.instances))
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