Source code for volume.test_volume_delete_cascade

# Copyright 2016 Red Hat, Inc.
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#         http://www.apache.org/licenses/LICENSE-2.0
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import operator

import testtools

from tempest.api.volume import base
from tempest import config
from tempest.lib import decorators

CONF = config.CONF


[docs]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))
[docs] @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'])
[docs] @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'])