618 lines
25 KiB
Python
618 lines
25 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# Copyright 2013 Intel corp.
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# Copyright 2013 eNovance
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# Copyright 2014 Red Hat, Inc
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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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import abc
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import copy
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import datetime
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import mock
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import six
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from stevedore import extension
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from ceilometer.polling import manager as poll_manager
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from ceilometer.polling import plugin_base
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from ceilometer import sample
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from ceilometer import service
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from ceilometer.tests import base
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default_test_data = sample.Sample(
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name='test',
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type=sample.TYPE_CUMULATIVE,
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unit='',
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volume=1,
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user_id='test',
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project_id='test',
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resource_id='test_run_tasks',
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timestamp=datetime.datetime.utcnow().isoformat(),
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resource_metadata={'name': 'Pollster'},
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)
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class TestPollster(plugin_base.PollsterBase):
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test_data = default_test_data
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discovery = None
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@property
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def default_discovery(self):
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return self.discovery
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def get_samples(self, manager, cache, resources):
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resources = resources or []
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self.samples.append((manager, resources))
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self.resources.extend(resources)
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c = copy.deepcopy(self.test_data)
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c.resource_metadata['resources'] = resources
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return [c]
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class BatchTestPollster(TestPollster):
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test_data = default_test_data
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discovery = None
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@property
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def default_discovery(self):
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return self.discovery
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def get_samples(self, manager, cache, resources):
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resources = resources or []
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self.samples.append((manager, resources))
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self.resources.extend(resources)
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for resource in resources:
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c = copy.deepcopy(self.test_data)
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c.timestamp = datetime.datetime.utcnow().isoformat()
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c.resource_id = resource
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c.resource_metadata['resource'] = resource
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yield c
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class TestPollsterException(TestPollster):
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def get_samples(self, manager, cache, resources):
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resources = resources or []
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self.samples.append((manager, resources))
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self.resources.extend(resources)
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raise Exception()
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class TestDiscovery(plugin_base.DiscoveryBase):
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def discover(self, manager, param=None):
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self.params.append(param)
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return self.resources
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class TestDiscoveryException(plugin_base.DiscoveryBase):
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def discover(self, manager, param=None):
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self.params.append(param)
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raise Exception()
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@six.add_metaclass(abc.ABCMeta)
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class BaseAgentManagerTestCase(base.BaseTestCase):
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class Pollster(TestPollster):
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samples = []
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resources = []
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test_data = default_test_data
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class BatchPollster(BatchTestPollster):
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samples = []
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resources = []
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test_data = default_test_data
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class PollsterAnother(TestPollster):
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samples = []
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resources = []
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test_data = sample.Sample(
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name='testanother',
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type=default_test_data.type,
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unit=default_test_data.unit,
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volume=default_test_data.volume,
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user_id=default_test_data.user_id,
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project_id=default_test_data.project_id,
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resource_id=default_test_data.resource_id,
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timestamp=default_test_data.timestamp,
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resource_metadata=default_test_data.resource_metadata)
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class PollsterException(TestPollsterException):
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samples = []
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resources = []
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test_data = sample.Sample(
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name='testexception',
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type=default_test_data.type,
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unit=default_test_data.unit,
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volume=default_test_data.volume,
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user_id=default_test_data.user_id,
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project_id=default_test_data.project_id,
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resource_id=default_test_data.resource_id,
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timestamp=default_test_data.timestamp,
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resource_metadata=default_test_data.resource_metadata)
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class PollsterExceptionAnother(TestPollsterException):
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samples = []
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resources = []
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test_data = sample.Sample(
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name='testexceptionanother',
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type=default_test_data.type,
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unit=default_test_data.unit,
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volume=default_test_data.volume,
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user_id=default_test_data.user_id,
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project_id=default_test_data.project_id,
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resource_id=default_test_data.resource_id,
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timestamp=default_test_data.timestamp,
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resource_metadata=default_test_data.resource_metadata)
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class Discovery(TestDiscovery):
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params = []
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resources = []
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class DiscoveryAnother(TestDiscovery):
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params = []
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resources = []
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@property
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def group_id(self):
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return 'another_group'
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class DiscoveryException(TestDiscoveryException):
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params = []
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def setup_polling(self, poll_cfg=None):
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name = self.cfg2file(poll_cfg or self.polling_cfg)
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self.CONF.set_override('cfg_file', name, group='polling')
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self.mgr.polling_manager = poll_manager.PollingManager(self.CONF)
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def create_extension_list(self):
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return [extension.Extension('test',
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None,
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None,
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self.Pollster(self.CONF), ),
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extension.Extension('testbatch',
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None,
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None,
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self.BatchPollster(self.CONF), ),
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extension.Extension('testanother',
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None,
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None,
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self.PollsterAnother(self.CONF), ),
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extension.Extension('testexception',
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None,
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None,
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self.PollsterException(self.CONF), ),
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extension.Extension('testexceptionanother',
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None,
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None,
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self.PollsterExceptionAnother(self.CONF), )
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]
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def create_discoveries(self):
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return extension.ExtensionManager.make_test_instance(
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[
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extension.Extension(
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'testdiscovery',
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None,
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None,
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self.Discovery(self.CONF), ),
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extension.Extension(
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'testdiscoveryanother',
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None,
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None,
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self.DiscoveryAnother(self.CONF), ),
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extension.Extension(
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'testdiscoveryexception',
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None,
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None,
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self.DiscoveryException(self.CONF), ),
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],
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)
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@abc.abstractmethod
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def create_manager(self):
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"""Return subclass specific manager."""
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def setUp(self):
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super(BaseAgentManagerTestCase, self).setUp()
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self.CONF = service.prepare_service([], [])
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self.CONF.set_override("backend_url", "zake://", "coordination")
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self.CONF.set_override(
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'cfg_file',
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self.path_get('etc/ceilometer/polling_all.yaml'), group='polling'
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)
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self.mgr = self.create_manager()
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self.mgr.extensions = self.create_extension_list()
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self.hashring = mock.MagicMock()
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self.hashring.belongs_to_self = mock.MagicMock()
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self.hashring.belongs_to_self.return_value = True
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self.mgr.hashrings = mock.MagicMock()
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self.mgr.hashrings.__getitem__.return_value = self.hashring
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self.polling_cfg = {
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'sources': [{
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'name': 'test_polling',
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'interval': 60,
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'meters': ['test'],
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'resources': ['test://']}]
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}
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self.setup_polling()
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def tearDown(self):
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self.Pollster.samples = []
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self.Pollster.discovery = []
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self.PollsterAnother.samples = []
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self.PollsterAnother.discovery = []
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self.PollsterException.samples = []
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self.PollsterException.discovery = []
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self.PollsterExceptionAnother.samples = []
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self.PollsterExceptionAnother.discovery = []
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self.Pollster.resources = []
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self.PollsterAnother.resources = []
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self.PollsterException.resources = []
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self.PollsterExceptionAnother.resources = []
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self.Discovery.params = []
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self.DiscoveryAnother.params = []
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self.DiscoveryException.params = []
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self.Discovery.resources = []
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self.DiscoveryAnother.resources = []
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super(BaseAgentManagerTestCase, self).tearDown()
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@mock.patch('ceilometer.polling.manager.PollingManager')
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def test_start(self, manager):
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self.mgr.setup_polling_tasks = mock.MagicMock()
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self.mgr.run()
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manager.assert_called_once_with(self.CONF)
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self.mgr.setup_polling_tasks.assert_called_once_with()
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self.mgr.terminate()
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def test_setup_polling_tasks(self):
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polling_tasks = self.mgr.setup_polling_tasks()
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self.assertEqual(1, len(polling_tasks))
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self.assertIn(60, polling_tasks.keys())
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per_task_resources = polling_tasks[60].resources
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self.assertEqual(1, len(per_task_resources))
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self.assertEqual(set(self.polling_cfg['sources'][0]['resources']),
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set(per_task_resources['test_polling-test'].get({})))
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def test_setup_polling_tasks_multiple_interval(self):
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self.polling_cfg['sources'].append({
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'name': 'test_polling_1',
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'interval': 10,
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'meters': ['test'],
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'resources': ['test://'],
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})
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self.setup_polling()
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polling_tasks = self.mgr.setup_polling_tasks()
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self.assertEqual(2, len(polling_tasks))
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self.assertIn(60, polling_tasks.keys())
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self.assertIn(10, polling_tasks.keys())
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def test_setup_polling_tasks_mismatch_counter(self):
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self.polling_cfg['sources'].append({
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'name': 'test_polling_1',
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'interval': 10,
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'meters': ['test_invalid'],
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'resources': ['invalid://'],
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})
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polling_tasks = self.mgr.setup_polling_tasks()
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self.assertEqual(1, len(polling_tasks))
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self.assertIn(60, polling_tasks.keys())
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self.assertNotIn(10, polling_tasks.keys())
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def test_setup_polling_task_same_interval(self):
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self.polling_cfg['sources'].append({
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'name': 'test_polling_1',
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'interval': 60,
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'meters': ['testanother'],
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'resources': ['testanother://'],
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})
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self.setup_polling()
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polling_tasks = self.mgr.setup_polling_tasks()
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self.assertEqual(1, len(polling_tasks))
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pollsters = polling_tasks.get(60).pollster_matches
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self.assertEqual(2, len(pollsters))
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per_task_resources = polling_tasks[60].resources
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self.assertEqual(2, len(per_task_resources))
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key = 'test_polling-test'
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self.assertEqual(set(self.polling_cfg['sources'][0]['resources']),
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set(per_task_resources[key].get({})))
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key = 'test_polling_1-testanother'
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self.assertEqual(set(self.polling_cfg['sources'][1]['resources']),
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set(per_task_resources[key].get({})))
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def test_agent_manager_start(self):
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mgr = self.create_manager()
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mgr.extensions = self.mgr.extensions
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mgr.create_polling_task = mock.MagicMock()
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mgr.run()
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self.addCleanup(mgr.terminate)
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mgr.create_polling_task.assert_called_once_with()
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def _verify_discovery_params(self, expected):
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self.assertEqual(expected, self.Discovery.params)
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self.assertEqual(expected, self.DiscoveryAnother.params)
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self.assertEqual(expected, self.DiscoveryException.params)
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def _do_test_per_pollster_discovery(self, discovered_resources,
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static_resources):
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self.Pollster.discovery = 'testdiscovery'
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self.mgr.discoveries = self.create_discoveries()
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self.Discovery.resources = discovered_resources
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self.DiscoveryAnother.resources = [d[::-1]
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for d in discovered_resources]
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if static_resources:
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# just so we can test that static + pre_polling amalgamated
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# override per_pollster
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self.polling_cfg['sources'][0]['discovery'] = [
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'testdiscoveryanother',
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'testdiscoverynonexistent',
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'testdiscoveryexception']
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self.polling_cfg['sources'][0]['resources'] = static_resources
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self.setup_polling()
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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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if static_resources:
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self.assertEqual(set(static_resources +
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self.DiscoveryAnother.resources),
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set(self.Pollster.resources))
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else:
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self.assertEqual(set(self.Discovery.resources),
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set(self.Pollster.resources))
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# Make sure no duplicated resource from discovery
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for x in self.Pollster.resources:
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self.assertEqual(1, self.Pollster.resources.count(x))
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def test_per_pollster_discovery(self):
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self._do_test_per_pollster_discovery(['discovered_1', 'discovered_2'],
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[])
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def test_per_pollster_discovery_overridden_by_per_polling_discovery(self):
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# ensure static+per_source_discovery overrides per_pollster_discovery
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self._do_test_per_pollster_discovery(['discovered_1', 'discovered_2'],
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['static_1', 'static_2'])
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def test_per_pollster_discovery_duplicated(self):
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self._do_test_per_pollster_discovery(['dup', 'discovered_1', 'dup'],
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[])
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def test_per_pollster_discovery_overridden_by_duplicated_static(self):
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self._do_test_per_pollster_discovery(['discovered_1', 'discovered_2'],
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['static_1', 'dup', 'dup'])
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def test_per_pollster_discovery_caching(self):
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# ensure single discovery associated with multiple pollsters
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# only called once per polling cycle
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discovered_resources = ['discovered_1', 'discovered_2']
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self.Pollster.discovery = 'testdiscovery'
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self.PollsterAnother.discovery = 'testdiscovery'
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self.mgr.discoveries = self.create_discoveries()
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self.Discovery.resources = discovered_resources
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self.polling_cfg['sources'][0]['meters'].append('testanother')
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self.polling_cfg['sources'][0]['resources'] = []
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self.setup_polling()
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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.assertEqual(1, len(self.Discovery.params))
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self.assertEqual(discovered_resources, self.Pollster.resources)
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self.assertEqual(discovered_resources, self.PollsterAnother.resources)
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def _do_test_per_polling_discovery(self, discovered_resources,
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static_resources):
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self.mgr.discoveries = self.create_discoveries()
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self.Discovery.resources = discovered_resources
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self.DiscoveryAnother.resources = [d[::-1]
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for d in discovered_resources]
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self.polling_cfg['sources'][0]['discovery'] = [
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'testdiscovery', 'testdiscoveryanother',
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'testdiscoverynonexistent', 'testdiscoveryexception']
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self.polling_cfg['sources'][0]['resources'] = static_resources
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self.setup_polling()
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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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discovery = self.Discovery.resources + self.DiscoveryAnother.resources
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# compare resource lists modulo ordering
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self.assertEqual(set(static_resources + discovery),
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set(self.Pollster.resources))
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# Make sure no duplicated resource from discovery
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for x in self.Pollster.resources:
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self.assertEqual(1, self.Pollster.resources.count(x))
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def test_per_polling_discovery_discovered_only(self):
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self._do_test_per_polling_discovery(['discovered_1', 'discovered_2'],
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[])
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def test_per_polling_discovery_static_only(self):
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self._do_test_per_polling_discovery([], ['static_1', 'static_2'])
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def test_per_polling_discovery_discovered_augmented_by_static(self):
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self._do_test_per_polling_discovery(['discovered_1', 'discovered_2'],
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['static_1', 'static_2'])
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def test_per_polling_discovery_discovered_duplicated_static(self):
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self._do_test_per_polling_discovery(['discovered_1', 'pud'],
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['dup', 'static_1', 'dup'])
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def test_multiple_pollings_different_static_resources(self):
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# assert that the individual lists of static and discovered resources
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# for each polling with a common interval are passed to individual
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# pollsters matching each polling
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self.polling_cfg['sources'][0]['resources'] = ['test://']
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self.polling_cfg['sources'][0]['discovery'] = ['testdiscovery']
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self.polling_cfg['sources'].append({
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'name': 'another_polling',
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'interval': 60,
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'meters': ['test'],
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'resources': ['another://'],
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'discovery': ['testdiscoveryanother'],
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})
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self.mgr.discoveries = self.create_discoveries()
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self.Discovery.resources = ['discovered_1', 'discovered_2']
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self.DiscoveryAnother.resources = ['discovered_3', 'discovered_4']
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self.setup_polling()
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polling_tasks = self.mgr.setup_polling_tasks()
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self.assertEqual(1, len(polling_tasks))
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self.assertIn(60, polling_tasks.keys())
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self.mgr.interval_task(polling_tasks.get(60))
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self.assertEqual([None], self.Discovery.params)
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self.assertEqual([None], self.DiscoveryAnother.params)
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self.assertEqual(2, len(self.Pollster.samples))
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samples = self.Pollster.samples
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test_resources = ['test://', 'discovered_1', 'discovered_2']
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another_resources = ['another://', 'discovered_3', 'discovered_4']
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if samples[0][1] == test_resources:
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self.assertEqual(another_resources, samples[1][1])
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elif samples[0][1] == another_resources:
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self.assertEqual(test_resources, samples[1][1])
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else:
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self.fail('unexpected sample resources %s' % samples)
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def test_multiple_sources_different_discoverers(self):
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self.Discovery.resources = ['discovered_1', 'discovered_2']
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self.DiscoveryAnother.resources = ['discovered_3', 'discovered_4']
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sources = [{'name': 'test_source_1',
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'interval': 60,
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'meters': ['test'],
|
|
'discovery': ['testdiscovery']},
|
|
{'name': 'test_source_2',
|
|
'interval': 60,
|
|
'meters': ['testanother'],
|
|
'discovery': ['testdiscoveryanother']}]
|
|
self.polling_cfg = {'sources': sources}
|
|
self.mgr.discoveries = self.create_discoveries()
|
|
self.setup_polling()
|
|
polling_tasks = self.mgr.setup_polling_tasks()
|
|
self.assertEqual(1, len(polling_tasks))
|
|
self.assertIn(60, polling_tasks.keys())
|
|
self.mgr.interval_task(polling_tasks.get(60))
|
|
self.assertEqual(1, len(self.Pollster.samples))
|
|
self.assertEqual(['discovered_1', 'discovered_2'],
|
|
self.Pollster.resources)
|
|
self.assertEqual(1, len(self.PollsterAnother.samples))
|
|
self.assertEqual(['discovered_3', 'discovered_4'],
|
|
self.PollsterAnother.resources)
|
|
|
|
def test_discovery_partitioning(self):
|
|
discovered_resources = ['discovered_1', 'discovered_2']
|
|
self.Pollster.discovery = 'testdiscovery'
|
|
self.mgr.discoveries = self.create_discoveries()
|
|
self.Discovery.resources = discovered_resources
|
|
self.polling_cfg['sources'][0]['discovery'] = [
|
|
'testdiscovery', 'testdiscoveryanother',
|
|
'testdiscoverynonexistent', 'testdiscoveryexception']
|
|
self.polling_cfg['sources'][0]['resources'] = []
|
|
self.setup_polling()
|
|
polling_tasks = self.mgr.setup_polling_tasks()
|
|
self.mgr.interval_task(polling_tasks.get(60))
|
|
self.hashring.belongs_to_self.assert_has_calls(
|
|
[mock.call('discovered_1'), mock.call('discovered_2')])
|
|
|
|
def test_discovery_partitioning_unhashable(self):
|
|
discovered_resources = [{'unhashable': True}]
|
|
self.Pollster.discovery = 'testdiscovery'
|
|
self.mgr.discoveries = self.create_discoveries()
|
|
self.Discovery.resources = discovered_resources
|
|
self.polling_cfg['sources'][0]['discovery'] = [
|
|
'testdiscovery', 'testdiscoveryanother',
|
|
'testdiscoverynonexistent', 'testdiscoveryexception']
|
|
self.polling_cfg['sources'][0]['resources'] = []
|
|
self.setup_polling()
|
|
polling_tasks = self.mgr.setup_polling_tasks()
|
|
self.mgr.interval_task(polling_tasks.get(60))
|
|
self.hashring.belongs_to_self.assert_has_calls(
|
|
[mock.call('{\'unhashable\': True}')])
|
|
|
|
def test_static_resources_partitioning(self):
|
|
static_resources = ['static_1', 'static_2']
|
|
static_resources2 = ['static_3', 'static_4']
|
|
self.polling_cfg['sources'][0]['resources'] = static_resources
|
|
self.polling_cfg['sources'].append({
|
|
'name': 'test_polling2',
|
|
'interval': 60,
|
|
'meters': ['test', 'test2'],
|
|
'resources': static_resources2,
|
|
})
|
|
# have one polling without static resources defined
|
|
self.polling_cfg['sources'].append({
|
|
'name': 'test_polling3',
|
|
'interval': 60,
|
|
'meters': ['test', 'test2'],
|
|
'resources': [],
|
|
})
|
|
self.setup_polling()
|
|
polling_tasks = self.mgr.setup_polling_tasks()
|
|
self.mgr.interval_task(polling_tasks.get(60))
|
|
self.hashring.belongs_to_self.assert_has_calls([
|
|
mock.call('static_1'),
|
|
mock.call('static_2'),
|
|
mock.call('static_3'),
|
|
mock.call('static_4'),
|
|
], any_order=True)
|
|
|
|
@mock.patch('ceilometer.polling.manager.LOG')
|
|
def test_polling_and_notify_with_resources(self, LOG):
|
|
self.setup_polling()
|
|
polling_task = list(self.mgr.setup_polling_tasks().values())[0]
|
|
polling_task.poll_and_notify()
|
|
LOG.info.assert_called_with(
|
|
'Polling pollster %(poll)s in the context of %(src)s',
|
|
{'poll': 'test', 'src': 'test_polling'})
|
|
|
|
@mock.patch('ceilometer.polling.manager.LOG')
|
|
def test_skip_polling_and_notify_with_no_resources(self, LOG):
|
|
self.polling_cfg['sources'][0]['resources'] = []
|
|
self.setup_polling()
|
|
polling_task = list(self.mgr.setup_polling_tasks().values())[0]
|
|
pollster = list(polling_task.pollster_matches['test_polling'])[0]
|
|
polling_task.poll_and_notify()
|
|
LOG.debug.assert_called_with(
|
|
'Skip pollster %(name)s, no %(p_context)sresources found this '
|
|
'cycle', {'name': pollster.name, 'p_context': ''})
|
|
|
|
@mock.patch('ceilometer.polling.manager.LOG')
|
|
def test_skip_polling_polled_resources(self, LOG):
|
|
self.polling_cfg['sources'].append({
|
|
'name': 'test_polling_1',
|
|
'interval': 60,
|
|
'meters': ['test'],
|
|
'resources': ['test://'],
|
|
})
|
|
self.setup_polling()
|
|
polling_task = list(self.mgr.setup_polling_tasks().values())[0]
|
|
polling_task.poll_and_notify()
|
|
LOG.debug.assert_called_with(
|
|
'Skip pollster %(name)s, no %(p_context)sresources found this '
|
|
'cycle', {'name': 'test', 'p_context': 'new '})
|
|
|
|
@mock.patch('oslo_utils.timeutils.utcnow')
|
|
def test_polling_samples_timestamp(self, mock_utc):
|
|
polled_samples = []
|
|
timestamp = '2222-11-22T00:11:22.333333'
|
|
|
|
def fake_send_notification(samples):
|
|
polled_samples.extend(samples)
|
|
|
|
mock_utc.return_value = datetime.datetime.strptime(
|
|
timestamp, "%Y-%m-%dT%H:%M:%S.%f")
|
|
|
|
self.setup_polling()
|
|
polling_task = list(self.mgr.setup_polling_tasks().values())[0]
|
|
polling_task._send_notification = mock.Mock(
|
|
side_effect=fake_send_notification)
|
|
polling_task.poll_and_notify()
|
|
self.assertEqual(timestamp, polled_samples[0]['timestamp'])
|