tempest/tempest/api/volume/test_volume_delete_cascade.py

108 lines
3.8 KiB
Python

# Copyright 2016 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import operator
import testtools
from tempest.api.volume import base
from tempest import config
from tempest.lib import decorators
CONF = config.CONF
class VolumesDeleteCascade(base.BaseVolumeTest):
"""Delete a volume with associated snapshots.
Cinder provides the ability to delete a volume with its
associated snapshots.
It is allow a volume and its snapshots to be removed in one operation
both for usability and performance reasons.
"""
@classmethod
def skip_checks(cls):
super(VolumesDeleteCascade, cls).skip_checks()
if not CONF.volume_feature_enabled.snapshot:
raise cls.skipException("Cinder snapshot feature disabled")
def _assert_cascade_delete(self, volume_id):
# Fetch volume ids
volume_list = [
vol['id'] for vol in
self.volumes_client.list_volumes()['volumes']
]
# Verify the parent volume was deleted
self.assertNotIn(volume_id, volume_list)
# List snapshots
snapshot_list = self.snapshots_client.list_snapshots()['snapshots']
# Verify snapshots were deleted
self.assertNotIn(volume_id, map(operator.itemgetter('volume_id'),
snapshot_list))
@decorators.idempotent_id('994e2d40-de37-46e8-b328-a58fba7e4a95')
def test_volume_delete_cascade(self):
"""Test deleting a volume with associated snapshots
The case validates the ability to delete a volume
with associated snapshots.
"""
# Create a volume
volume = self.create_volume()
for _ in range(2):
self.create_snapshot(volume['id'])
# Delete the parent volume with associated snapshots
self.volumes_client.delete_volume(volume['id'], cascade=True)
self.volumes_client.wait_for_resource_deletion(volume['id'])
# Verify volume parent was deleted with its associated snapshots
self._assert_cascade_delete(volume['id'])
@decorators.idempotent_id('59a77ede-609b-4ee8-9f68-fc3c6ffe97b5')
@testtools.skipIf(CONF.volume.storage_protocol == 'ceph',
'Skip because of Bug#1677525')
def test_volume_from_snapshot_cascade_delete(self):
"""Test deleting a volume with associated volume-associated snapshot
The case validates the ability to delete a volume with
associated snapshot while there is another volume created
from that snapshot.
"""
# Create a volume
volume = self.create_volume()
snapshot = self.create_snapshot(volume['id'])
# Create volume from snapshot
volume_snap = self.create_volume(snapshot_id=snapshot['id'])
volume_details = self.volumes_client.show_volume(
volume_snap['id'])['volume']
self.assertEqual(snapshot['id'], volume_details['snapshot_id'])
# Delete the parent volume with associated snapshot
self.volumes_client.delete_volume(volume['id'], cascade=True)
self.volumes_client.wait_for_resource_deletion(volume['id'])
# Verify volume parent was deleted with its associated snapshot
self._assert_cascade_delete(volume['id'])