65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
# Copyright (c) 2016 Red Hat, Inc.
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# All Rights Reserved.
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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 ddt
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import mock
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from cinder import exception
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from cinder import objects
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from cinder.objects import fields
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from cinder.tests.unit import utils
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from cinder.tests.unit import volume as base
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from cinder.volume import manager
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@ddt.ddt
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class ReplicationTestCase(base.BaseVolumeTestCase):
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def setUp(self):
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super(ReplicationTestCase, self).setUp()
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self.host = 'host@backend#pool'
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self.manager = manager.VolumeManager(host=self.host)
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@mock.patch('cinder.objects.VolumeList.get_all_by_host')
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@mock.patch('cinder.volume.driver.BaseVD.failover_host',
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side_effect=exception.InvalidReplicationTarget(''))
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@ddt.data(('backend2', 'default', fields.ReplicationStatus.FAILED_OVER),
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('backend2', 'backend3', fields.ReplicationStatus.FAILED_OVER),
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(None, 'backend2', fields.ReplicationStatus.ENABLED),
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('', 'backend2', fields.ReplicationStatus.ENABLED))
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@ddt.unpack
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def test_failover_host_invalid_target(self, svc_backend, new_backend,
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expected, mock_failover,
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mock_getall):
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"""Test replication failover_host with invalid_target.
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When failingover fails due to an invalid target exception we return
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replication_status to its previous status, and we decide what that is
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depending on the currect active backend.
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"""
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svc = utils.create_service(
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self.context,
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host=self.host,
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active_backend_id=svc_backend,
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replication_status=fields.ReplicationStatus.FAILING_OVER)
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self.manager.failover_host(self.context, new_backend)
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mock_getall.assert_called_once_with(self.context, self.host)
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mock_failover.assert_called_once_with(self.context,
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mock_getall.return_value,
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secondary_id=new_backend)
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db_svc = objects.Service.get_by_id(self.context, svc.id)
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self.assertEqual(expected, db_svc.replication_status)
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