df81b59f9d
Change-Id: Ib9c34b0806b71e2088ac0fa9886ad8abd7a2a45f Implements: blueprint cheesecake-promote-backend
62 lines
2.7 KiB
Python
62 lines
2.7 KiB
Python
# Copyright (c) 2018 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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"""Tests for resetting active backend replication parameters."""
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from cinder import db
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from cinder import exception
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from cinder.tests.unit import test_db_api
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from cinder.tests.unit import utils
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class ResetActiveBackendCase(test_db_api.BaseTest):
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"""Unit tests for cinder.db.api.reset_active_backend."""
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def test_enabled_service(self):
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"""Test that enabled services cannot be queried."""
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service_overrides = {'topic': 'cinder-volume'}
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service = utils.create_service(self.ctxt, values=service_overrides)
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self.assertRaises(exception.ServiceNotFound,
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db.reset_active_backend,
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self.ctxt, True, 'fake-backend-id',
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service.host)
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def test_disabled_service(self):
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"""Test that non-frozen services are rejected."""
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service_overrides = {'topic': 'cinder-volume',
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'disabled': True}
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service = utils.create_service(self.ctxt, values=service_overrides)
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self.assertRaises(exception.ServiceUnavailable,
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db.reset_active_backend,
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self.ctxt, True, 'fake-backend-id',
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service.host)
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def test_disabled_and_frozen_service(self):
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"""Test that disabled and frozen services are updated correctly."""
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service_overrides = {'topic': 'cinder-volume',
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'disabled': True,
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'frozen': True,
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'replication_status': 'failed-over',
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'active_backend_id': 'seconary'}
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service = utils.create_service(self.ctxt, values=service_overrides)
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db.reset_active_backend(self.ctxt, True, 'fake-backend-id',
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service.host)
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db_service = db.service_get(self.ctxt, service.id)
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self.assertFalse(db_service.disabled)
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self.assertEqual('', db_service.disabled_reason)
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self.assertIsNone(db_service.active_backend_id)
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self.assertEqual('enabled', db_service.replication_status)
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