0e3bbdfe7e
This feature provides the ability to delete a volume and have Cinder handle deletion of snapshots associated with that volume. It is allow a volume and its snapshots to be removed in one operation both for usability and performance reasons. Change-Id: I99f9910f75aef095f2bbb37680ee584e52bf82da
102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
# Copyright 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 operator
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import testtools
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from tempest.api.volume import base
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from tempest import config
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from tempest.lib import decorators
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CONF = config.CONF
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class VolumesDeleteCascade(base.BaseVolumeTest):
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"""Delete a volume with associated snapshots.
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Cinder provides the ability to delete a volume with its
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associated snapshots.
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It is allow a volume and its snapshots to be removed in one operation
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both for usability and performance reasons.
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"""
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@classmethod
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def skip_checks(cls):
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super(VolumesDeleteCascade, cls).skip_checks()
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if not CONF.volume_feature_enabled.snapshot:
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raise cls.skipException("Cinder snapshot feature disabled")
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def _assert_cascade_delete(self, volume_id):
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# Fetch volume ids
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volume_list = [
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vol['id'] for vol in
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self.volumes_client.list_volumes()['volumes']
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]
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# Verify the parent volume was deleted
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self.assertNotIn(volume_id, volume_list)
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# List snapshots
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snapshot_list = self.snapshots_client.list_snapshots()['snapshots']
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# Verify snapshots were deleted
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self.assertNotIn(volume_id, map(operator.itemgetter('volume_id'),
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snapshot_list))
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@decorators.idempotent_id('994e2d40-de37-46e8-b328-a58fba7e4a95')
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def test_volume_delete_cascade(self):
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# The case validates the ability to delete a volume
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# with associated snapshots.
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# Create a volume
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volume = self.create_volume()
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for _ in range(2):
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self.create_snapshot(volume['id'])
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# Delete the parent volume with associated snapshots
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self.volumes_client.delete_volume(volume['id'], cascade=True)
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self.volumes_client.wait_for_resource_deletion(volume['id'])
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# Verify volume parent was deleted with its associated snapshots
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self._assert_cascade_delete(volume['id'])
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@decorators.idempotent_id('59a77ede-609b-4ee8-9f68-fc3c6ffe97b5')
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@testtools.skipIf(CONF.volume.storage_protocol == 'ceph',
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'Skip because of Bug#1677525')
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def test_volume_from_snapshot_cascade_delete(self):
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# The case validates the ability to delete a volume with
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# associated snapshot while there is another volume created
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# from that snapshot.
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# Create a volume
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volume = self.create_volume()
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snapshot = self.create_snapshot(volume['id'])
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# Create volume from snapshot
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volume_snap = self.create_volume(snapshot_id=snapshot['id'])
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volume_details = self.volumes_client.show_volume(
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volume_snap['id'])['volume']
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self.assertEqual(snapshot['id'], volume_details['snapshot_id'])
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# Delete the parent volume with associated snapshot
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self.volumes_client.delete_volume(volume['id'], cascade=True)
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self.volumes_client.wait_for_resource_deletion(volume['id'])
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# Verify volume parent was deleted with its associated snapshot
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self._assert_cascade_delete(volume['id'])
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