188 lines
7.6 KiB
Python
188 lines
7.6 KiB
Python
# Copyright 2015 Reliance Jio Infocomm Ltd
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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 collections
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import fixtures
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from keystoneauth1 import exceptions
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import mock
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from oslotest import base
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import testscenarios.testcase
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from ceilometer.objectstore import rgw
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from ceilometer.objectstore import rgw_client
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from ceilometer.polling import manager
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from ceilometer import service
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bucket_list1 = [rgw_client.RGWAdminClient.Bucket('somefoo1', 10, 7)]
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bucket_list2 = [rgw_client.RGWAdminClient.Bucket('somefoo2', 2, 9)]
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bucket_list3 = [rgw_client.RGWAdminClient.Bucket('unlisted', 100, 100)]
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GET_BUCKETS = [('tenant-000', {'num_buckets': 2, 'size': 1042,
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'num_objects': 1001, 'buckets': bucket_list1}),
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('tenant-001', {'num_buckets': 2, 'size': 1042,
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'num_objects': 1001, 'buckets': bucket_list2}),
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('tenant-002-ignored', {'num_buckets': 2, 'size': 1042,
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'num_objects': 1001,
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'buckets': bucket_list3})]
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GET_USAGE = [('tenant-000', 10),
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('tenant-001', 11),
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('tenant-002-ignored', 12)]
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Tenant = collections.namedtuple('Tenant', 'id')
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ASSIGNED_TENANTS = [Tenant('tenant-000'), Tenant('tenant-001')]
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class TestManager(manager.AgentManager):
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def __init__(self, worker_id, conf):
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super(TestManager, self).__init__(worker_id, conf)
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self._keystone = mock.Mock()
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self._catalog = (self._keystone.session.auth.get_access.
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return_value.service_catalog)
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self._catalog.url_for.return_value = 'http://foobar/endpoint'
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class TestRgwPollster(testscenarios.testcase.WithScenarios,
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base.BaseTestCase):
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# Define scenarios to run all of the tests against all of the
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# pollsters.
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scenarios = [
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('radosgw.objects',
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{'factory': rgw.ObjectsPollster}),
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('radosgw.objects.size',
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{'factory': rgw.ObjectsSizePollster}),
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('radosgw.objects.containers',
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{'factory': rgw.ObjectsContainersPollster}),
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('radosgw.containers.objects',
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{'factory': rgw.ContainersObjectsPollster}),
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('radosgw.containers.objects.size',
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{'factory': rgw.ContainersSizePollster}),
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('radosgw.api.request',
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{'factory': rgw.UsagePollster}),
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]
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@staticmethod
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def fake_ks_service_catalog_url_for(*args, **kwargs):
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raise exceptions.EndpointNotFound("Fake keystone exception")
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def fake_iter_accounts(self, ksclient, cache, tenants):
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tenant_ids = [t.id for t in tenants]
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for i in self.ACCOUNTS:
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if i[0] in tenant_ids:
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yield i
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def setUp(self):
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super(TestRgwPollster, self).setUp()
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conf = service.prepare_service([], [])
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conf.set_override('radosgw', 'object-store',
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group='service_types')
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self.pollster = self.factory(conf)
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self.manager = TestManager(0, conf)
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if self.pollster.CACHE_KEY_METHOD == 'rgw.get_bucket':
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self.ACCOUNTS = GET_BUCKETS
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else:
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self.ACCOUNTS = GET_USAGE
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def tearDown(self):
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super(TestRgwPollster, self).tearDown()
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rgw._Base._ENDPOINT = None
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def test_iter_accounts_no_cache(self):
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cache = {}
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with fixtures.MockPatchObject(self.factory, '_get_account_info',
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return_value=[]):
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data = list(self.pollster._iter_accounts(mock.Mock(), cache,
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ASSIGNED_TENANTS))
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self.assertIn(self.pollster.CACHE_KEY_METHOD, cache)
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self.assertEqual([], data)
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def test_iter_accounts_cached(self):
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# Verify that if a method has already been called, _iter_accounts
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# uses the cached version and doesn't call rgw_clinet.
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mock_method = mock.Mock()
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mock_method.side_effect = AssertionError(
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'should not be called',
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)
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api_method = 'get_%s' % self.pollster.METHOD
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with fixtures.MockPatchObject(rgw_client.RGWAdminClient,
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api_method, new=mock_method):
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cache = {self.pollster.CACHE_KEY_METHOD: [self.ACCOUNTS[0]]}
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data = list(self.pollster._iter_accounts(mock.Mock(), cache,
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ASSIGNED_TENANTS))
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self.assertEqual([self.ACCOUNTS[0]], data)
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def test_metering(self):
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with fixtures.MockPatchObject(self.factory, '_iter_accounts',
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side_effect=self.fake_iter_accounts):
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samples = list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(2, len(samples), self.pollster.__class__)
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def test_get_meter_names(self):
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with fixtures.MockPatchObject(self.factory, '_iter_accounts',
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side_effect=self.fake_iter_accounts):
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samples = list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(set([samples[0].name]),
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set([s.name for s in samples]))
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def test_only_poll_assigned(self):
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mock_method = mock.MagicMock()
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endpoint = 'http://127.0.0.1:8000/admin'
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api_method = 'get_%s' % self.pollster.METHOD
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with fixtures.MockPatchObject(rgw_client.RGWAdminClient,
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api_method, new=mock_method):
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with fixtures.MockPatchObject(
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self.manager._catalog, 'url_for',
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return_value=endpoint):
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list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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expected = [mock.call(t.id)
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for t in ASSIGNED_TENANTS]
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self.assertEqual(expected, mock_method.call_args_list)
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def test_get_endpoint_only_once(self):
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mock_url_for = mock.MagicMock()
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mock_url_for.return_value = '/endpoint'
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api_method = 'get_%s' % self.pollster.METHOD
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with fixtures.MockPatchObject(rgw_client.RGWAdminClient, api_method,
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new=mock.MagicMock()):
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with fixtures.MockPatchObject(
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self.manager._catalog, 'url_for',
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new=mock_url_for):
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list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(1, mock_url_for.call_count)
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def test_endpoint_notfound(self):
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with fixtures.MockPatchObject(
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self.manager._catalog, 'url_for',
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side_effect=self.fake_ks_service_catalog_url_for):
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samples = list(self.pollster.get_samples(self.manager, {},
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ASSIGNED_TENANTS))
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self.assertEqual(0, len(samples))
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