ad2b579ed6
Contrary to popular belief, LOG.exception() is not a method to which you pass an exception in order to log it. Rather, you pass the message to be logged at ERROR level, and the exception is retrieved automatically via sys.exc_info(). Change-Id: I197cf94ada34a7ce80fc4026a99d95cd50823882
129 lines
5.4 KiB
Python
129 lines
5.4 KiB
Python
# 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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from cinderclient import exceptions as cinder_exceptions
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from oslo_log import log as logging
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import six
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from heat_integrationtests.common import exceptions
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from heat_integrationtests.scenario import scenario_base
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LOG = logging.getLogger(__name__)
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class VolumeBackupRestoreIntegrationTest(scenario_base.ScenarioTestsBase):
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"""Class is responsible for testing of volume backup."""
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def setUp(self):
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super(VolumeBackupRestoreIntegrationTest, self).setUp()
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self.volume_description = 'A test volume description 123'
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self.volume_size = self.conf.volume_size
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def _cinder_verify(self, volume_id, expected_status='available'):
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self.assertIsNotNone(volume_id)
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volume = self.volume_client.volumes.get(volume_id)
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self.assertIsNotNone(volume)
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self.assertEqual(expected_status, volume.status)
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self.assertEqual(self.volume_size, volume.size)
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self.assertEqual(self.volume_description,
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volume.display_description)
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def _outputs_verify(self, stack, expected_status='available'):
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self.assertEqual(expected_status,
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self._stack_output(stack, 'status'))
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self.assertEqual(six.text_type(self.volume_size),
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self._stack_output(stack, 'size'))
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self.assertEqual(self.volume_description,
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self._stack_output(stack, 'display_description'))
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def check_stack(self, stack_id):
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stack = self.client.stacks.get(stack_id)
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# Verify with cinder that the volume exists, with matching details
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volume_id = self._stack_output(stack, 'volume_id')
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self._cinder_verify(volume_id, expected_status='in-use')
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# Verify the stack outputs are as expected
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self._outputs_verify(stack, expected_status='in-use')
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# Delete the stack and ensure a backup is created for volume_id
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# but the volume itself is gone
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self._stack_delete(stack_id)
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self.assertRaises(cinder_exceptions.NotFound,
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self.volume_client.volumes.get,
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volume_id)
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backups = self.volume_client.backups.list()
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self.assertIsNotNone(backups)
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backups_filtered = [b for b in backups if b.volume_id == volume_id]
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self.assertEqual(1, len(backups_filtered))
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backup = backups_filtered[0]
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self.addCleanup(self.volume_client.backups.delete, backup.id)
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# Now, we create another stack where the volume is created from the
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# backup created by the previous stack
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try:
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stack_identifier2 = self.launch_stack(
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template_name='test_volumes_create_from_backup.yaml',
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add_parameters={'backup_id': backup.id})
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stack2 = self.client.stacks.get(stack_identifier2)
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except exceptions.StackBuildErrorException:
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LOG.exception("Halting test due to bug: #1382300")
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return
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# Verify with cinder that the volume exists, with matching details
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volume_id2 = self._stack_output(stack2, 'volume_id')
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self._cinder_verify(volume_id2, expected_status='in-use')
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# Verify the stack outputs are as expected
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self._outputs_verify(stack2, expected_status='in-use')
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testfile_data = self._stack_output(stack2, 'testfile_data')
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self.assertEqual('{"instance1": "Volume Data:ateststring"}',
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testfile_data)
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# Delete the stack and ensure the volume is gone
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self._stack_delete(stack_identifier2)
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self.assertRaises(cinder_exceptions.NotFound,
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self.volume_client.volumes.get,
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volume_id2)
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def test_cinder_volume_create_backup_restore(self):
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"""Ensure the 'Snapshot' deletion policy works.
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This requires a more complex test, but it tests several aspects
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of the heat cinder resources:
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1. Create a volume, attach it to an instance, write some data to it
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2. Delete the stack, with 'Snapshot' specified, creates a backup
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3. Check the snapshot has created a volume backup
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4. Create a new stack, where the volume is created from the backup
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5. Verify the test data written in (1) is present in the new volume
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"""
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parameters = {
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'key_name': self.keypair_name,
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'instance_type': self.conf.minimal_instance_type,
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'image_id': self.conf.minimal_image_ref,
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'volume_description': self.volume_description,
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'timeout': self.conf.build_timeout,
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'network': self.net['id']
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}
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# Launch stack
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stack_id = self.launch_stack(
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template_name='test_volumes_delete_snapshot.yaml',
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parameters=parameters,
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add_parameters={'volume_size': self.volume_size}
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)
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# Check stack
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self.check_stack(stack_id)
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