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190 lines
7.9 KiB
190 lines
7.9 KiB
# Copyright (c) 2013 OpenStack Foundation |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain 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, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
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# implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from eventlet import greenthread |
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from eventlet import queue |
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import mock |
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import time |
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from neutron_lib.plugins import constants as plugin_constants |
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from neutron_lib.plugins import directory |
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from oslo_config import cfg |
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from oslo_utils import importutils |
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from neutron.tests.unit import testlib_api |
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from networking_arista.common import constants as a_const |
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from networking_arista.common import exceptions as arista_exc |
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from networking_arista.ml2 import arista_sync |
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from networking_arista.ml2.mechanism_arista import MechResource |
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from networking_arista.tests.unit import utils |
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class SyncServiceTest(testlib_api.SqlTestCase): |
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"""Test cases for the sync service.""" |
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def setUp(self): |
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super(SyncServiceTest, self).setUp() |
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utils.setup_arista_wrapper_config(cfg) |
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plugin_klass = importutils.import_class( |
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"neutron.db.db_base_plugin_v2.NeutronDbPluginV2") |
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directory.add_plugin(plugin_constants.CORE, plugin_klass()) |
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utils.setup_scenario() |
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self.mech_queue = queue.LightQueue() |
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self.sync_service = arista_sync.AristaSyncWorker(self.mech_queue) |
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self.sync_service._rpc = utils.MockCvx('region') |
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def tearDown(self): |
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if self.sync_service._running: |
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self.sync_service.stop() |
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self.sync_service.wait() |
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super(SyncServiceTest, self).tearDown() |
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def test_start(self): |
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self.sync_service.start() |
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self.assertTrue(self.sync_service._running) |
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self.assertIsNotNone(self.sync_service._thread) |
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self.assertIsNotNone(self.sync_service.sync_order) |
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self.assertIsNotNone(self.sync_service.done) |
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def test_start_twice(self): |
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self.sync_service.start() |
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current_thread = self.sync_service._thread |
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self.sync_service.start() |
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self.assertEqual(self.sync_service._thread, current_thread) |
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def test_stop_graceful(self): |
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self.test_start() |
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running_thread = self.sync_service._thread |
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self.sync_service.stop() |
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self.sync_service.wait() |
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self.assertFalse(self.sync_service._running) |
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self.assertTrue(running_thread.dead) |
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self.assertIsNone(self.sync_service._thread) |
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def test_stop_ungraceful(self): |
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self.test_start() |
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running_thread = self.sync_service._thread |
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self.sync_service.stop(graceful=False) |
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self.assertTrue(running_thread.dead) |
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self.assertIsNone(self.sync_service._thread) |
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def test_reset(self): |
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self.test_start() |
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old_thread = self.sync_service._thread |
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self.sync_service.reset() |
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self.assertNotEqual(self.sync_service._thread, old_thread) |
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def test_resource_class_full_coverage(self): |
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self.sync_service.initialize() |
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for i in range(len(self.sync_service.sync_order)): |
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self.sync_service.sync_order[i] = mock.MagicMock() |
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self.sync_service.synchronize_resources() |
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for resource_type in self.sync_service.sync_order: |
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resource_type.delete_cvx_resources.assert_called_once() |
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resource_type.create_cvx_resources.assert_called_once() |
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def test_full_sync_cvx_populated(self): |
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self.sync_service.initialize() |
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self.sync_service.synchronize_resources() |
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for endpoint, data in self.sync_service._rpc.endpoint_data.items(): |
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self.assertNotEqual(data, {}) |
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def test_process_mech_update(self): |
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self.sync_service.initialize() |
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for resource_type in a_const.ALL_RESOURCE_TYPES: |
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res_cls = mock.MagicMock() |
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with mock.patch.object(self.sync_service, |
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'get_resource_class') as get: |
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get.return_value = res_cls |
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res = MechResource('id', resource_type, a_const.CREATE) |
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self.sync_service.update_neutron_resource(res) |
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get.assert_called_once_with(resource_type) |
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res_cls.update_neutron_resource.assert_called_once_with( |
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'id', a_const.CREATE) |
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get.reset_mock() |
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get.return_value = res_cls |
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res = MechResource('id', resource_type, a_const.DELETE) |
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self.sync_service.update_neutron_resource(res) |
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get.assert_called_once_with(resource_type) |
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res_cls.update_neutron_resource.assert_called_once_with( |
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'id', a_const.DELETE) |
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def test_force_full_sync(self): |
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self.sync_service.initialize() |
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for i in range(len(self.sync_service.sync_order)): |
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self.sync_service.sync_order[i] = mock.MagicMock() |
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self.sync_service.force_full_sync() |
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for resource_type in self.sync_service.sync_order: |
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resource_type.clear_all_data.assert_called_once() |
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def test_sync_timeout(self): |
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self.sync_service.initialize() |
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with mock.patch.object( |
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self.sync_service, 'check_if_out_of_sync') as oos: |
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self.sync_service.wait_for_sync_required() |
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oos.assert_called_once() |
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def test_full_sync_required(self): |
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self.sync_service.initialize() |
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self.sync_service._cvx_uuid = 'old-id' |
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self.sync_service._rpc = mock.MagicMock() |
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self.sync_service._rpc.get_cvx_uuid.return_value = 'new-id' |
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with mock.patch.object(self.sync_service, 'force_full_sync') as ffs: |
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self.assertTrue(self.sync_service.check_if_out_of_sync()) |
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ffs.assert_called_once() |
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self.assertEqual(self.sync_service._synchronizing_uuid, 'new-id') |
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self.assertNotEqual(self.sync_service._last_sync_time, 0) |
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def test_mech_queue_timeout(self): |
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self.sync_service.initialize() |
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self.assertFalse(self.sync_service.wait_for_mech_driver_update(1)) |
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def test_mech_queue_updated(self): |
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self.sync_service.initialize() |
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resource = MechResource('tid', a_const.TENANT_RESOURCE, a_const.CREATE) |
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self.mech_queue.put(resource) |
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# Must yield to allow resource to be available on the queue |
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greenthread.sleep(0) |
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self.assertTrue(self.sync_service.wait_for_mech_driver_update(1)) |
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self.assertEqual(self.sync_service._resources_to_update, [resource]) |
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def test_sync_start_fail(self): |
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self.sync_service.initialize() |
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self.sync_service._rpc = mock.MagicMock() |
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self.sync_service._rpc.sync_start.return_value = False |
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self.assertEqual(self.sync_service._last_sync_time, 0) |
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for i in range(len(self.sync_service.sync_order)): |
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self.sync_service.sync_order[i] = mock.MagicMock() |
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self.sync_service.synchronize_resources() |
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for resource_type in self.sync_service.sync_order: |
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resource_type.delete_cvx_resources.assert_not_called() |
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resource_type.create_cvx_resources.assert_not_called() |
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self.sync_service._rpc.sync_end.assert_not_called() |
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def test_sync_lock_release_on_failure(self): |
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self.sync_service.initialize() |
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self.sync_service._rpc = mock.MagicMock() |
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self.sync_service.update_neutron_resource = mock.Mock( |
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side_effect=arista_exc.AristaRpcError(msg='fail')) |
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resource = MechResource('tid', a_const.TENANT_RESOURCE, a_const.CREATE) |
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self.sync_service.start() |
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self.sync_service._last_sync_time = time.time() |
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self.sync_service._cvx_uuid = 'cvx-id' |
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self.mech_queue.put(resource) |
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greenthread.sleep(0) |
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self.sync_service.stop() |
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self.sync_service.wait() |
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self.sync_service._rpc.sync_end.assert_called_once()
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