185 lines
8.2 KiB
Python
185 lines
8.2 KiB
Python
# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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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 mock
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from oslo_config import cfg
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from cinder import context
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from cinder import db
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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 import service
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from cinder.tests.unit.api import fakes
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from cinder.tests.unit import utils as tests_utils
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from cinder.tests.unit import volume as base
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CONF = cfg.CONF
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class VolumeCleanupTestCase(base.BaseVolumeTestCase):
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MOCK_WORKER = False
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def setUp(self):
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super(VolumeCleanupTestCase, self).setUp()
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self.service_id = 1
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self.mock_object(service.Service, 'service_id', self.service_id)
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self.patch('cinder.volume.volume_utils.clear_volume', autospec=True)
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def _assert_workers_are_removed(self):
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workers = db.worker_get_all(self.context, read_deleted='yes')
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self.assertListEqual([], workers)
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def test_init_host_clears_uploads_available_volume(self):
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"""init_host will clean an available volume stuck in uploading."""
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volume = tests_utils.create_volume(self.context, status='uploading',
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size=0, host=CONF.host)
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db.worker_create(self.context, resource_type='Volume',
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resource_id=volume.id, status=volume.status,
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service_id=self.service_id)
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self.volume.init_host(service_id=service.Service.service_id)
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volume.refresh()
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self.assertEqual("available", volume.status)
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self._assert_workers_are_removed()
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@mock.patch('cinder.manager.CleanableManager.init_host')
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def test_init_host_clears_uploads_in_use_volume(self, init_host_mock):
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"""init_host will clean an in-use volume stuck in uploading."""
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volume = tests_utils.create_volume(self.context, status='uploading',
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size=0, host=CONF.host)
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db.worker_create(self.context, resource_type='Volume',
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resource_id=volume.id, status=volume.status,
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service_id=self.service_id)
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fake_uuid = fakes.get_fake_uuid()
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tests_utils.attach_volume(self.context, volume.id, fake_uuid,
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'fake_host', '/dev/vda')
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self.volume.init_host(service_id=mock.sentinel.service_id)
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init_host_mock.assert_called_once_with(
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service_id=mock.sentinel.service_id, added_to_cluster=None)
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volume.refresh()
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self.assertEqual("in-use", volume.status)
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self._assert_workers_are_removed()
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@mock.patch('cinder.image.image_utils.cleanup_temporary_file')
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def test_init_host_clears_downloads(self, mock_cleanup_tmp_file):
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"""Test that init_host will unwedge a volume stuck in downloading."""
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volume = tests_utils.create_volume(self.context, status='downloading',
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size=0, host=CONF.host)
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db.worker_create(self.context, resource_type='Volume',
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resource_id=volume.id, status=volume.status,
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service_id=self.service_id)
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mock_clear = self.mock_object(self.volume.driver, 'clear_download')
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self.volume.init_host(service_id=service.Service.service_id)
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self.assertEqual(1, mock_clear.call_count)
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self.assertEqual(volume.id, mock_clear.call_args[0][1].id)
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volume.refresh()
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self.assertEqual("error", volume['status'])
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mock_cleanup_tmp_file.assert_called_once_with(CONF.host)
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self.volume.delete_volume(self.context, volume=volume)
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self._assert_workers_are_removed()
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@mock.patch('cinder.image.image_utils.cleanup_temporary_file')
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def test_init_host_resumes_deletes(self, mock_cleanup_tmp_file):
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"""init_host will resume deleting volume in deleting status."""
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volume = tests_utils.create_volume(self.context, status='deleting',
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size=0, host=CONF.host)
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db.worker_create(self.context, resource_type='Volume',
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resource_id=volume.id, status=volume.status,
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service_id=self.service_id)
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self.volume.init_host(service_id=service.Service.service_id)
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self.assertRaises(exception.VolumeNotFound, db.volume_get,
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context.get_admin_context(), volume.id)
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mock_cleanup_tmp_file.assert_called_once_with(CONF.host)
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self._assert_workers_are_removed()
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@mock.patch('cinder.image.image_utils.cleanup_temporary_file')
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def test_create_volume_fails_with_creating_and_downloading_status(
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self, mock_cleanup_tmp_file):
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"""Test init_host_with_service in case of volume.
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While the status of volume is 'creating' or 'downloading',
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volume process down.
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After process restarting this 'creating' status is changed to 'error'.
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"""
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for status in ('creating', 'downloading'):
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volume = tests_utils.create_volume(self.context, status=status,
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size=0, host=CONF.host)
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db.worker_create(self.context, resource_type='Volume',
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resource_id=volume.id, status=volume.status,
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service_id=self.service_id)
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self.volume.init_host(service_id=service.Service.service_id)
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volume.refresh()
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self.assertEqual('error', volume['status'])
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self.volume.delete_volume(self.context, volume)
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self.assertTrue(mock_cleanup_tmp_file.called)
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self._assert_workers_are_removed()
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def test_create_snapshot_fails_with_creating_status(self):
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"""Test init_host_with_service in case of snapshot.
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While the status of snapshot is 'creating', volume process
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down. After process restarting this 'creating' status is
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changed to 'error'.
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"""
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volume = tests_utils.create_volume(self.context,
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**self.volume_params)
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snapshot = tests_utils.create_snapshot(
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self.context,
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volume.id,
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status=fields.SnapshotStatus.CREATING)
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db.worker_create(self.context, resource_type='Snapshot',
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resource_id=snapshot.id, status=snapshot.status,
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service_id=self.service_id)
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self.volume.init_host(service_id=service.Service.service_id)
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snapshot_obj = objects.Snapshot.get_by_id(self.context, snapshot.id)
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self.assertEqual(fields.SnapshotStatus.ERROR, snapshot_obj.status)
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self.assertEqual(service.Service.service_id,
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self.volume.service_id)
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self._assert_workers_are_removed()
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self.volume.delete_snapshot(self.context, snapshot_obj)
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self.volume.delete_volume(self.context, volume)
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def test_init_host_clears_deleting_snapshots(self):
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"""Test that init_host will delete a snapshot stuck in deleting."""
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volume = tests_utils.create_volume(self.context, status='deleting',
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size=1, host=CONF.host)
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snapshot = tests_utils.create_snapshot(self.context,
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volume.id, status='deleting')
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db.worker_create(self.context, resource_type='Volume',
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resource_id=volume.id, status=volume.status,
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service_id=self.service_id)
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self.volume.init_host(service_id=self.service_id)
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self.assertRaises(exception.VolumeNotFound, volume.refresh)
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self.assertRaises(exception.SnapshotNotFound, snapshot.refresh)
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