498 lines
20 KiB
Python
498 lines
20 KiB
Python
#
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# Copyright 2013 Intel Corp.
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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"""
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import shutil
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from keystoneclient import exceptions as ks_exceptions
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import mock
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from novaclient import client as novaclient
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from oslo_config import fixture as fixture_config
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from oslo_service import service as os_service
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from oslo_utils import fileutils
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from oslotest import base
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from oslotest import mockpatch
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import requests
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import six
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from stevedore import extension
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import yaml
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from ceilometer.agent import manager
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from ceilometer.agent import plugin_base
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from ceilometer.hardware import discovery
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from ceilometer import pipeline
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from ceilometer.tests.unit.agent import agentbase
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class PollingException(Exception):
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pass
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class TestPollsterBuilder(agentbase.TestPollster):
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@classmethod
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def build_pollsters(cls):
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return [('builder1', cls()), ('builder2', cls())]
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@mock.patch('ceilometer.compute.pollsters.'
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'BaseComputePollster.setup_environment',
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mock.Mock(return_value=None))
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class TestManager(base.BaseTestCase):
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def setUp(self):
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super(TestManager, self).setUp()
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self.conf = self.useFixture(fixture_config.Config()).conf
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self.conf(args=[])
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@mock.patch('ceilometer.pipeline.setup_polling', 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.extensions))
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def test_load_plugins_pollster_list(self):
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mgr = manager.AgentManager(pollster_list=['disk.*'])
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# currently we do have 26 disk-related pollsters
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self.assertEqual(26, len(list(mgr.extensions)))
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def test_load_invalid_plugins_pollster_list(self):
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# if no valid pollsters have been loaded, the ceilometer
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# polling program should exit
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self.assertRaisesRegexp(
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manager.EmptyPollstersList,
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'No valid pollsters can be loaded with the startup parameters'
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' polling-namespaces and pollster-list.',
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manager.AgentManager,
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pollster_list=['aaa'])
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def test_load_plugins_no_intersection(self):
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# Let's test nothing will be polled if namespace and pollsters
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# list have no intersection.
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parameters = dict(namespaces=['compute'],
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pollster_list=['storage.*'])
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self.assertRaisesRegexp(
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manager.EmptyPollstersList,
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'No valid pollsters can be loaded with the startup parameters'
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' polling-namespaces and pollster-list.',
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manager.AgentManager,
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parameters)
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# Test plugin load behavior based on Node Manager pollsters.
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# pollster_list is just a filter, so sensor pollsters under 'ipmi'
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# namespace would be also instanced. Still need mock __init__ for it.
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@mock.patch('ceilometer.ipmi.pollsters.node._Base.__init__',
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mock.Mock(return_value=None))
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@mock.patch('ceilometer.ipmi.pollsters.sensor.SensorPollster.__init__',
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mock.Mock(return_value=None))
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def test_load_normal_plugins(self):
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mgr = manager.AgentManager(namespaces=['ipmi'],
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pollster_list=['hardware.ipmi.node.*'])
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# 8 pollsters for Node Manager
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self.assertEqual(8, len(mgr.extensions))
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# Skip loading pollster upon ExtensionLoadError
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@mock.patch('ceilometer.ipmi.pollsters.node._Base.__init__',
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mock.Mock(side_effect=plugin_base.ExtensionLoadError))
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@mock.patch('ceilometer.ipmi.pollsters.sensor.SensorPollster.__init__',
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mock.Mock(return_value=None))
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@mock.patch('ceilometer.agent.manager.LOG')
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def test_load_failed_plugins(self, LOG):
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# Here we additionally check that namespaces will be converted to the
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# list if param was not set as a list.
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try:
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manager.AgentManager(namespaces='ipmi',
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pollster_list=['hardware.ipmi.node.*'])
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except manager.EmptyPollstersList:
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err_msg = 'Skip loading extension for hardware.ipmi.node.%s'
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pollster_names = [
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'power', 'temperature', 'outlet_temperature',
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'airflow', 'cups', 'cpu_util', 'mem_util', 'io_util']
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calls = [mock.call(err_msg % n) for n in pollster_names]
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LOG.exception.assert_has_calls(calls=calls, any_order=True)
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# Skip loading pollster upon ImportError
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@mock.patch('ceilometer.ipmi.pollsters.node._Base.__init__',
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mock.Mock(side_effect=ImportError))
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@mock.patch('ceilometer.ipmi.pollsters.sensor.SensorPollster.__init__',
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mock.Mock(return_value=None))
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def test_import_error_in_plugin(self):
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parameters = dict(namespaces=['ipmi'],
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pollster_list=['hardware.ipmi.node.*'])
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self.assertRaisesRegexp(
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manager.EmptyPollstersList,
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'No valid pollsters can be loaded with the startup parameters'
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' polling-namespaces and pollster-list.',
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manager.AgentManager,
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parameters)
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# Exceptions other than ExtensionLoadError are propagated
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@mock.patch('ceilometer.ipmi.pollsters.node._Base.__init__',
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mock.Mock(side_effect=PollingException))
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@mock.patch('ceilometer.ipmi.pollsters.sensor.SensorPollster.__init__',
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mock.Mock(return_value=None))
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def test_load_exceptional_plugins(self):
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self.assertRaises(PollingException,
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manager.AgentManager,
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['ipmi'],
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['hardware.ipmi.node.*'])
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def test_load_plugins_pollster_list_forbidden(self):
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manager.cfg.CONF.set_override('backend_url', 'http://',
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group='coordination')
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self.assertRaises(manager.PollsterListForbidden,
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manager.AgentManager,
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pollster_list=['disk.*'])
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manager.cfg.CONF.reset()
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def test_builder(self):
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@staticmethod
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def fake_get_ext_mgr(namespace):
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if 'builder' in namespace:
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return extension.ExtensionManager.make_test_instance(
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[
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extension.Extension('builder',
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None,
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TestPollsterBuilder,
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None),
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]
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)
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else:
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return extension.ExtensionManager.make_test_instance(
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[
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extension.Extension('test',
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None,
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None,
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agentbase.TestPollster()),
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]
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)
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with mock.patch.object(manager.AgentManager, '_get_ext_mgr',
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new=fake_get_ext_mgr):
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mgr = manager.AgentManager(namespaces=['central'])
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self.assertEqual(3, len(mgr.extensions))
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for ext in mgr.extensions:
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self.assertIn(ext.name, ['builder1', 'builder2', 'test'])
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self.assertIsInstance(ext.obj, agentbase.TestPollster)
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class TestPollsterKeystone(agentbase.TestPollster):
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def get_samples(self, manager, cache, resources):
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# Just try to use keystone, that will raise an exception
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manager.keystone.projects.list()
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class TestPollsterPollingException(agentbase.TestPollster):
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polling_failures = 0
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def get_samples(self, manager, cache, resources):
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func = super(TestPollsterPollingException, self).get_samples
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sample = func(manager=manager,
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cache=cache,
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resources=resources)
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# Raise polling exception after 2 times
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self.polling_failures += 1
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if self.polling_failures > 2:
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raise plugin_base.PollsterPermanentError(resources)
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return sample
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class TestRunTasks(agentbase.BaseAgentManagerTestCase):
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class PollsterKeystone(TestPollsterKeystone):
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samples = []
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resources = []
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test_data = agentbase.TestSample(
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name='testkeystone',
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type=agentbase.default_test_data.type,
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unit=agentbase.default_test_data.unit,
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volume=agentbase.default_test_data.volume,
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user_id=agentbase.default_test_data.user_id,
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project_id=agentbase.default_test_data.project_id,
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resource_id=agentbase.default_test_data.resource_id,
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timestamp=agentbase.default_test_data.timestamp,
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resource_metadata=agentbase.default_test_data.resource_metadata)
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class PollsterPollingException(TestPollsterPollingException):
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samples = []
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resources = []
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test_data = agentbase.TestSample(
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name='testpollingexception',
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type=agentbase.default_test_data.type,
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unit=agentbase.default_test_data.unit,
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volume=agentbase.default_test_data.volume,
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user_id=agentbase.default_test_data.user_id,
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project_id=agentbase.default_test_data.project_id,
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resource_id=agentbase.default_test_data.resource_id,
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timestamp=agentbase.default_test_data.timestamp,
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resource_metadata=agentbase.default_test_data.resource_metadata)
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@staticmethod
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@mock.patch('ceilometer.compute.pollsters.'
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'BaseComputePollster.setup_environment',
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mock.Mock(return_value=None))
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def create_manager():
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return manager.AgentManager()
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@staticmethod
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def setup_pipeline_file(pipeline):
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if six.PY3:
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pipeline = pipeline.encode('utf-8')
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pipeline_cfg_file = fileutils.write_to_tempfile(content=pipeline,
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prefix="pipeline",
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suffix="yaml")
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return pipeline_cfg_file
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def fake_notifier_sample(self, ctxt, event_type, payload):
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for m in payload['samples']:
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del m['message_signature']
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self.notified_samples.append(m)
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def setUp(self):
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self.notified_samples = []
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self.notifier = mock.Mock()
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self.notifier.sample.side_effect = self.fake_notifier_sample
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self.useFixture(mockpatch.Patch('oslo_messaging.Notifier',
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return_value=self.notifier))
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self.source_resources = True
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super(TestRunTasks, self).setUp()
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self.useFixture(mockpatch.Patch(
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'keystoneclient.v2_0.client.Client',
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return_value=mock.Mock()))
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def tearDown(self):
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self.PollsterKeystone.samples = []
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self.PollsterKeystone.resources = []
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self.PollsterPollingException.samples = []
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self.PollsterPollingException.resources = []
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super(TestRunTasks, self).tearDown()
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def create_extension_list(self):
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exts = super(TestRunTasks, self).create_extension_list()
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exts.extend([extension.Extension('testkeystone',
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None,
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None,
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self.PollsterKeystone(), ),
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extension.Extension('testpollingexception',
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None,
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None,
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self.PollsterPollingException(), )])
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return exts
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def test_get_sample_resources(self):
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polling_tasks = self.mgr.setup_polling_tasks()
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self.mgr.interval_task(list(polling_tasks.values())[0])
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self.assertTrue(self.Pollster.resources)
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def test_when_keystone_fail(self):
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"""Test for bug 1316532."""
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self.useFixture(mockpatch.Patch(
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'keystoneclient.v2_0.client.Client',
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side_effect=ks_exceptions.ClientException))
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self.pipeline_cfg = {
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'sources': [{
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'name': "test_keystone",
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'interval': 10,
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'meters': ['testkeystone'],
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'resources': ['test://'] if self.source_resources else [],
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'sinks': ['test_sink']}],
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'sinks': [{
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'name': 'test_sink',
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'transformers': [],
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'publishers': ["test"]}]
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}
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self.mgr.polling_manager = pipeline.PollingManager(self.pipeline_cfg)
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polling_tasks = self.mgr.setup_polling_tasks()
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self.mgr.interval_task(list(polling_tasks.values())[0])
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self.assertFalse(self.PollsterKeystone.samples)
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self.assertFalse(self.notified_samples)
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@mock.patch('ceilometer.agent.manager.LOG')
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@mock.patch('ceilometer.nova_client.LOG')
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def test_hardware_discover_fail_minimize_logs(self, novalog, baselog):
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self.useFixture(mockpatch.PatchObject(
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novaclient.HTTPClient,
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'authenticate',
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side_effect=requests.ConnectionError))
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class PollsterHardware(agentbase.TestPollster):
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discovery = 'tripleo_overcloud_nodes'
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class PollsterHardwareAnother(agentbase.TestPollster):
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discovery = 'tripleo_overcloud_nodes'
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self.mgr.extensions.extend([
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extension.Extension('testhardware',
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None,
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None,
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PollsterHardware(), ),
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extension.Extension('testhardware2',
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None,
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None,
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PollsterHardwareAnother(), )
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])
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ext = extension.Extension('tripleo_overcloud_nodes',
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None,
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None,
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discovery.NodesDiscoveryTripleO())
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self.mgr.discovery_manager = (extension.ExtensionManager
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.make_test_instance([ext]))
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self.pipeline_cfg = {
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'sources': [{
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'name': "test_hardware",
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'interval': 10,
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'meters': ['testhardware', 'testhardware2'],
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'sinks': ['test_sink']}],
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'sinks': [{
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'name': 'test_sink',
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'transformers': [],
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'publishers': ["test"]}]
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}
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self.mgr.polling_manager = pipeline.PollingManager(self.pipeline_cfg)
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polling_tasks = self.mgr.setup_polling_tasks()
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self.mgr.interval_task(list(polling_tasks.values())[0])
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self.assertEqual(1, novalog.exception.call_count)
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self.assertFalse(baselog.exception.called)
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@mock.patch('ceilometer.agent.manager.LOG')
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def test_polling_exception(self, LOG):
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source_name = 'test_pollingexception'
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self.pipeline_cfg = {
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'sources': [{
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'name': source_name,
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'interval': 10,
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'meters': ['testpollingexception'],
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'resources': ['test://'] if self.source_resources else [],
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'sinks': ['test_sink']}],
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'sinks': [{
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'name': 'test_sink',
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'transformers': [],
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'publishers': ["test"]}]
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}
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self.mgr.polling_manager = pipeline.PollingManager(self.pipeline_cfg)
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polling_task = list(self.mgr.setup_polling_tasks().values())[0]
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pollster = list(polling_task.pollster_matches[source_name])[0]
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# 2 samples after 4 pollings, as pollster got disabled upon exception
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for x in range(0, 4):
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self.mgr.interval_task(polling_task)
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samples = self.notified_samples
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self.assertEqual(2, len(samples))
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LOG.error.assert_called_once_with((
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'Prevent pollster %(name)s for '
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'polling source %(source)s anymore!')
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% ({'name': pollster.name, 'source': source_name}))
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def test_batching_polled_samples_false(self):
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self.CONF.set_override('batch_polled_samples', False)
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self._batching_samples(4, 4)
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def test_batching_polled_samples_true(self):
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self.CONF.set_override('batch_polled_samples', True)
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self._batching_samples(4, 1)
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def test_batching_polled_samples_default(self):
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self._batching_samples(4, 1)
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def _batching_samples(self, expected_samples, call_count):
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pipeline = yaml.dump({
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'sources': [{
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'name': 'test_pipeline',
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'interval': 1,
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'meters': ['testbatch'],
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'resources': ['alpha', 'beta', 'gamma', 'delta'],
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'sinks': ['test_sink']}],
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'sinks': [{
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'name': 'test_sink',
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'transformers': [],
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'publishers': ["test"]}]
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})
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pipeline_cfg_file = self.setup_pipeline_file(pipeline)
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self.CONF.set_override("pipeline_cfg_file", pipeline_cfg_file)
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self.mgr.tg = os_service.threadgroup.ThreadGroup(1000)
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self.mgr.start()
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# Manually executes callbacks
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for timer in self.mgr.pollster_timers:
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timer.f(*timer.args, **timer.kw)
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samples = self.notified_samples
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self.assertEqual(expected_samples, len(samples))
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self.assertEqual(call_count, self.notifier.sample.call_count)
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def test_start_with_reloadable_pipeline(self):
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self.CONF.set_override('heartbeat', 1.0, group='coordination')
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self.CONF.set_override('refresh_pipeline_cfg', True)
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self.CONF.set_override('pipeline_polling_interval', 2)
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pipeline = yaml.dump({
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'sources': [{
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'name': 'test_pipeline',
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'interval': 1,
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'meters': ['test'],
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'resources': ['test://'] if self.source_resources else [],
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'sinks': ['test_sink']}],
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'sinks': [{
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'name': 'test_sink',
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'transformers': [],
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'publishers': ["test"]}]
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})
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pipeline_cfg_file = self.setup_pipeline_file(pipeline)
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self.CONF.set_override("pipeline_cfg_file", pipeline_cfg_file)
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self.mgr.tg = os_service.threadgroup.ThreadGroup(1000)
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self.mgr.start()
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# we only got the old name of meters
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for sample in self.notified_samples:
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self.assertEqual('test', sample['counter_name'])
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self.assertEqual(1, sample['counter_volume'])
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self.assertEqual('test_run_tasks', sample['resource_id'])
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# Modify the collection targets
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pipeline = yaml.dump({
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'sources': [{
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'name': 'test_pipeline',
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'interval': 1,
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'meters': ['testanother'],
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'resources': ['test://'] if self.source_resources else [],
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'sinks': ['test_sink']}],
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'sinks': [{
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'name': 'test_sink',
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'transformers': [],
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'publishers': ["test"]}]
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})
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updated_pipeline_cfg_file = self.setup_pipeline_file(pipeline)
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# Move/re-name the updated pipeline file to the original pipeline
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# file path as recorded in oslo config
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shutil.move(updated_pipeline_cfg_file, pipeline_cfg_file)
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# Flush notified samples to test only new, nothing latent on
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# fake message bus.
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self.notified_samples = []
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# we only got the new name of meters
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for sample in self.notified_samples:
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self.assertEqual('testanother', sample['counter_name'])
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self.assertEqual(1, sample['counter_volume'])
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self.assertEqual('test_run_tasks', sample['resource_id'])
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