842 lines
30 KiB
Python
842 lines
30 KiB
Python
# Copyright 2013 IBM Corp.
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# Copyright (c) 2013 OpenStack Foundation
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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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#
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# Authors:
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# Erik Zaadi <erikz@il.ibm.com>
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# Avishay Traeger <avishay@il.ibm.com>
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import copy
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from mox3 import mox
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from oslo_config import cfg
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from cinder import context
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from cinder import exception
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from cinder.i18n import _
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from cinder import test
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from cinder.volume import configuration as conf
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from cinder.volume.drivers.ibm import xiv_ds8k
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from cinder.volume import volume_types
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FAKE = "fake"
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CANNOT_DELETE = "Can not delete"
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TOO_BIG_VOLUME_SIZE = 12000
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POOL_SIZE = 100
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CONSISTGROUP_ID = 1
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VOLUME = {'size': 16,
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'name': FAKE,
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'id': 1,
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'consistencygroup_id': CONSISTGROUP_ID,
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'status': 'available'}
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MANAGED_FAKE = "managed_fake"
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MANAGED_VOLUME = {'size': 16,
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'name': MANAGED_FAKE,
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'id': 2}
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REPLICA_FAKE = "repicated_fake"
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REPLICATED_VOLUME = {'size': 64,
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'name': REPLICA_FAKE,
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'id': 2}
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CONTEXT = {}
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CONSISTGROUP = {'id': CONSISTGROUP_ID, }
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CG_SNAPSHOT_ID = 1
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CG_SNAPSHOT = {'id': CG_SNAPSHOT_ID,
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'consistencygroup_id': CONSISTGROUP_ID}
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CONNECTOR = {'initiator': "iqn.2012-07.org.fake:01:948f189c4695", }
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CONF = cfg.CONF
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class XIVDS8KFakeProxyDriver(object):
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"""Fake IBM XIV and DS8K Proxy Driver."""
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def __init__(self, xiv_ds8k_info, logger, expt, driver=None):
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"""Initialize Proxy."""
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self.xiv_ds8k_info = xiv_ds8k_info
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self.logger = logger
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self.exception = expt
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self.xiv_ds8k_portal = \
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self.xiv_ds8k_iqn = FAKE
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self.volumes = {}
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self.snapshots = {}
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self.driver = driver
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def setup(self, context):
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if self.xiv_ds8k_info['xiv_ds8k_user'] != self.driver\
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.configuration.san_login:
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raise self.exception.NotAuthorized()
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if self.xiv_ds8k_info['xiv_ds8k_address'] != self.driver\
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.configuration.san_ip:
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raise self.exception.HostNotFound(host='fake')
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def create_volume(self, volume):
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if volume['size'] > POOL_SIZE:
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raise self.exception.VolumeBackendAPIException(data='blah')
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self.volumes[volume['name']] = volume
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def volume_exists(self, volume):
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return self.volumes.get(volume['name'], None) is not None
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def delete_volume(self, volume):
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if self.volumes.get(volume['name'], None) is not None:
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del self.volumes[volume['name']]
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def manage_volume_get_size(self, volume, existing_ref):
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if self.volumes.get(existing_ref['source-name'], None) is None:
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raise self.exception.VolumeNotFound(volume_id=volume['id'])
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return self.volumes[existing_ref['source-name']]['size']
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def manage_volume(self, volume, existing_ref):
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if self.volumes.get(existing_ref['source-name'], None) is None:
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raise self.exception.VolumeNotFound(volume_id=volume['id'])
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volume['size'] = MANAGED_VOLUME['size']
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return {}
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def unmanage_volume(self, volume):
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pass
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def initialize_connection(self, volume, connector):
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if not self.volume_exists(volume):
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raise self.exception.VolumeNotFound(volume_id=volume['id'])
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lun_id = volume['id']
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self.volumes[volume['name']]['attached'] = connector
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return {'driver_volume_type': 'iscsi',
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'data': {'target_discovered': True,
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'target_discovered': True,
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'target_portal': self.xiv_ds8k_portal,
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'target_iqn': self.xiv_ds8k_iqn,
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'target_lun': lun_id,
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'volume_id': volume['id'],
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'multipath': True,
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'provider_location': "%s,1 %s %s" % (
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self.xiv_ds8k_portal,
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self.xiv_ds8k_iqn,
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lun_id), },
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}
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def terminate_connection(self, volume, connector):
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if not self.volume_exists(volume):
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raise self.exception.VolumeNotFound(volume_id=volume['id'])
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if not self.is_volume_attached(volume, connector):
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raise self.exception.NotFound(_('Volume not found for '
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'instance %(instance_id)s.')
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% {'instance_id': 'fake'})
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del self.volumes[volume['name']]['attached']
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def is_volume_attached(self, volume, connector):
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if not self.volume_exists(volume):
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raise self.exception.VolumeNotFound(volume_id=volume['id'])
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return (self.volumes[volume['name']].get('attached', None)
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== connector)
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def reenable_replication(self, context, volume):
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model_update = {}
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if volume['replication_status'] == 'inactive':
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model_update['replication_status'] = 'active'
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elif volume['replication_status'] == 'invalid_status_val':
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raise exception.CinderException()
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model_update['replication_extended_status'] = 'some_status'
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model_update['replication_driver_data'] = 'some_data'
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return model_update
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def get_replication_status(self, context, volume):
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if volume['replication_status'] == 'invalid_status_val':
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raise exception.CinderException()
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return {'replication_status': 'active'}
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def promote_replica(self, context, volume):
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if volume['replication_status'] == 'invalid_status_val':
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raise exception.CinderException()
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return {'replication_status': 'inactive'}
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def create_replica_test_volume(self, volume, src_vref):
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if volume['size'] != src_vref['size']:
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raise exception.InvalidVolume(
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reason="Target and source volumes have different size.")
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return
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def retype(self, ctxt, volume, new_type, diff, host):
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volume['easytier'] = new_type['extra_specs']['easytier']
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return True, volume
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def create_consistencygroup(self, ctxt, group):
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volumes = [volume for k, volume in self.volumes.items()
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if volume['consistencygroup_id'] == group['id']]
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if volumes:
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raise exception.CinderException(
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message='The consistency group id of volume may be wrong.')
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return {'status': 'available'}
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def delete_consistencygroup(self, ctxt, group):
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volumes = []
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for volume in self.volumes.values():
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if (group.get('id', None)
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== volume.get('consistencygroup_id', None)):
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if volume['name'] == CANNOT_DELETE:
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raise exception.VolumeBackendAPIException(
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message='Volume can not be deleted')
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else:
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volume['status'] = 'deleted'
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volumes.append(volume)
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# Delete snapshots in consistency group
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self.snapshots = {k: snap for k, snap in self.snapshots.items()
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if not(snap.get('consistencygroup_id', None)
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== group.get('id', None))}
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# Delete volume in consistency group
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self.volumes = {k: vol for k, vol in self.volumes.items()
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if not(vol.get('consistencygroup_id', None)
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== group.get('id', None))}
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return {'status': 'deleted'}, volumes
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def create_cgsnapshot(self, ctxt, cgsnapshot):
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snapshots = []
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for volume in self.volumes.values():
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if (cgsnapshot.get('consistencygroup_id', None)
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== volume.get('consistencygroup_id', None)):
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if volume['size'] > POOL_SIZE / 2:
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raise self.exception.VolumeBackendAPIException(data='blah')
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snapshot = copy.deepcopy(volume)
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snapshot['name'] = CANNOT_DELETE \
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if snapshot['name'] == CANNOT_DELETE \
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else snapshot['name'] + 'Snapshot'
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snapshot['status'] = 'available'
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snapshot['cgsnapshot_id'] = cgsnapshot.get('id', None)
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snapshot['consistencygroup_id'] = \
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cgsnapshot.get('consistencygroup_id', None)
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self.snapshots[snapshot['name']] = snapshot
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snapshots.append(snapshot)
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return {'status': 'available'}, snapshots
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def delete_cgsnapshot(self, ctxt, cgsnapshot):
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snapshots = []
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for snapshot in self.snapshots.values():
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if (cgsnapshot.get('id', None)
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== snapshot.get('cgsnapshot_id', None)):
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if snapshot['name'] == CANNOT_DELETE:
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raise exception.VolumeBackendAPIException(
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message='Snapshot can not be deleted')
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else:
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snapshot['status'] = 'deleted'
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snapshots.append(snapshot)
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# Delete snapshots in consistency group
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self.snapshots = {k: snap for k, snap in self.snapshots.items()
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if not(snap.get('consistencygroup_id', None)
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== cgsnapshot.get('cgsnapshot_id', None))}
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return {'status': 'deleted'}, snapshots
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class XIVDS8KVolumeDriverTest(test.TestCase):
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"""Test IBM XIV and DS8K volume driver."""
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def setUp(self):
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"""Initialize IBM XIV and DS8K Driver."""
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super(XIVDS8KVolumeDriverTest, self).setUp()
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configuration = mox.MockObject(conf.Configuration)
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configuration.san_is_local = False
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configuration.xiv_ds8k_proxy = \
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'cinder.tests.unit.test_ibm_xiv_ds8k.XIVDS8KFakeProxyDriver'
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configuration.xiv_ds8k_connection_type = 'iscsi'
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configuration.xiv_chap = 'disabled'
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configuration.san_ip = FAKE
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configuration.management_ips = FAKE
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configuration.san_login = FAKE
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configuration.san_clustername = FAKE
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configuration.san_password = FAKE
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configuration.append_config_values(mox.IgnoreArg())
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self.driver = xiv_ds8k.XIVDS8KDriver(
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configuration=configuration)
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def test_initialized_should_set_xiv_ds8k_info(self):
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"""Test that the san flags are passed to the IBM proxy."""
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self.assertEqual(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_user'],
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self.driver.configuration.san_login)
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self.assertEqual(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_pass'],
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self.driver.configuration.san_password)
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self.assertEqual(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_address'],
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self.driver.configuration.san_ip)
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self.assertEqual(
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_vol_pool'],
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self.driver.configuration.san_clustername)
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def test_setup_should_fail_if_credentials_are_invalid(self):
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"""Test that the xiv_ds8k_proxy validates credentials."""
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_user'] = 'invalid'
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self.assertRaises(exception.NotAuthorized, self.driver.do_setup, None)
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def test_setup_should_fail_if_connection_is_invalid(self):
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"""Test that the xiv_ds8k_proxy validates connection."""
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self.driver.xiv_ds8k_proxy.xiv_ds8k_info['xiv_ds8k_address'] = \
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'invalid'
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self.assertRaises(exception.HostNotFound, self.driver.do_setup, None)
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def test_create_volume(self):
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"""Test creating a volume."""
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self.driver.do_setup(None)
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self.driver.create_volume(VOLUME)
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has_volume = self.driver.xiv_ds8k_proxy.volume_exists(VOLUME)
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self.assertTrue(has_volume)
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self.driver.delete_volume(VOLUME)
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def test_volume_exists(self):
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"""Test the volume exist method with a volume that doesn't exist."""
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self.driver.do_setup(None)
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self.assertFalse(
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self.driver.xiv_ds8k_proxy.volume_exists({'name': FAKE})
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)
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def test_delete_volume(self):
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"""Verify that a volume is deleted."""
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self.driver.do_setup(None)
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self.driver.create_volume(VOLUME)
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self.driver.delete_volume(VOLUME)
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has_volume = self.driver.xiv_ds8k_proxy.volume_exists(VOLUME)
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self.assertFalse(has_volume)
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def test_delete_volume_should_fail_for_not_existing_volume(self):
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"""Verify that deleting a non-existing volume is OK."""
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self.driver.do_setup(None)
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self.driver.delete_volume(VOLUME)
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def test_create_volume_should_fail_if_no_pool_space_left(self):
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"""Vertify that the xiv_ds8k_proxy validates volume pool space."""
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self.driver.do_setup(None)
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.create_volume,
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{'name': FAKE,
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'id': 1,
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'size': TOO_BIG_VOLUME_SIZE})
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def test_initialize_connection(self):
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"""Test that inititialize connection attaches volume to host."""
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self.driver.do_setup(None)
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self.driver.create_volume(VOLUME)
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self.driver.initialize_connection(VOLUME, CONNECTOR)
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self.assertTrue(
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self.driver.xiv_ds8k_proxy.is_volume_attached(VOLUME, CONNECTOR))
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self.driver.terminate_connection(VOLUME, CONNECTOR)
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self.driver.delete_volume(VOLUME)
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def test_initialize_connection_should_fail_for_non_existing_volume(self):
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"""Verify that initialize won't work for non-existing volume."""
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self.driver.do_setup(None)
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self.assertRaises(exception.VolumeNotFound,
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self.driver.initialize_connection,
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VOLUME,
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CONNECTOR)
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def test_terminate_connection(self):
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"""Test terminating a connection."""
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self.driver.do_setup(None)
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self.driver.create_volume(VOLUME)
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self.driver.initialize_connection(VOLUME, CONNECTOR)
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self.driver.terminate_connection(VOLUME, CONNECTOR)
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self.assertFalse(self.driver.xiv_ds8k_proxy.is_volume_attached(
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VOLUME,
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CONNECTOR))
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self.driver.delete_volume(VOLUME)
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def test_terminate_connection_should_fail_on_non_existing_volume(self):
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"""Test that terminate won't work for non-existing volumes."""
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self.driver.do_setup(None)
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self.assertRaises(exception.VolumeNotFound,
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self.driver.terminate_connection,
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VOLUME,
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CONNECTOR)
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def test_manage_existing_get_size(self):
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"""Test that manage_existing_get_size returns the expected size. """
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self.driver.do_setup(None)
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self.driver.create_volume(MANAGED_VOLUME)
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existing_ref = {'source-name': MANAGED_VOLUME['name']}
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return_size = self.driver.manage_existing_get_size(
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VOLUME,
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existing_ref)
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self.assertEqual(return_size, MANAGED_VOLUME['size'])
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# cover both case, whether driver renames the volume or not
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self.driver.delete_volume(VOLUME)
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self.driver.delete_volume(MANAGED_VOLUME)
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def test_manage_existing_get_size_should_fail_on_non_existing_volume(self):
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"""Test that manage_existing_get_size fails on non existing volume. """
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self.driver.do_setup(None)
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# on purpose - do NOT create managed volume
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existing_ref = {'source-name': MANAGED_VOLUME['name']}
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self.assertRaises(exception.VolumeNotFound,
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self.driver.manage_existing_get_size,
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VOLUME,
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existing_ref)
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def test_manage_existing(self):
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"""Test that manage_existing returns successfully. """
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self.driver.do_setup(None)
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self.driver.create_volume(MANAGED_VOLUME)
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existing_ref = {'source-name': MANAGED_VOLUME['name']}
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self.driver.manage_existing(VOLUME, existing_ref)
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self.assertEqual(VOLUME['size'], MANAGED_VOLUME['size'])
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# cover both case, whether driver renames the volume or not
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self.driver.delete_volume(VOLUME)
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self.driver.delete_volume(MANAGED_VOLUME)
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def test_manage_existing_should_fail_on_non_existing_volume(self):
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"""Test that manage_existing fails on non existing volume. """
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self.driver.do_setup(None)
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# on purpose - do NOT create managed volume
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existing_ref = {'source-name': MANAGED_VOLUME['name']}
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self.assertRaises(exception.VolumeNotFound,
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self.driver.manage_existing,
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VOLUME,
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existing_ref)
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def test_reenable_replication(self):
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"""Test that reenable_replication returns successfully. """
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self.driver.do_setup(None)
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# assume the replicated volume is inactive
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replicated_volume = copy.deepcopy(REPLICATED_VOLUME)
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replicated_volume['replication_status'] = 'inactive'
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model_update = self.driver.reenable_replication(
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CONTEXT,
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replicated_volume
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)
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self.assertEqual(
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model_update['replication_status'],
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'active'
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)
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self.assertTrue('replication_extended_status' in model_update)
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self.assertTrue('replication_driver_data' in model_update)
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def test_reenable_replication_fail_on_cinder_exception(self):
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"""Test that reenable_replication fails on driver raising exception."""
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self.driver.do_setup(None)
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replicated_volume = copy.deepcopy(REPLICATED_VOLUME)
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# on purpose - set invalid value to replication_status
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# expect an exception.
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replicated_volume['replication_status'] = 'invalid_status_val'
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self.assertRaises(
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exception.CinderException,
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self.driver.reenable_replication,
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CONTEXT,
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|
replicated_volume
|
|
)
|
|
|
|
def test_get_replication_status(self):
|
|
"""Test that get_replication_status return successfully. """
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
# assume the replicated volume is inactive
|
|
replicated_volume = copy.deepcopy(REPLICATED_VOLUME)
|
|
replicated_volume['replication_status'] = 'inactive'
|
|
model_update = self.driver.get_replication_status(
|
|
CONTEXT,
|
|
replicated_volume
|
|
)
|
|
self.assertEqual(
|
|
model_update['replication_status'],
|
|
'active'
|
|
)
|
|
|
|
def test_get_replication_status_fail_on_exception(self):
|
|
"""Test that get_replication_status fails on exception"""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
replicated_volume = copy.deepcopy(REPLICATED_VOLUME)
|
|
# on purpose - set invalid value to replication_status
|
|
# expect an exception.
|
|
replicated_volume['replication_status'] = 'invalid_status_val'
|
|
self.assertRaises(
|
|
exception.CinderException,
|
|
self.driver.get_replication_status,
|
|
CONTEXT,
|
|
replicated_volume
|
|
)
|
|
|
|
def test_promote_replica(self):
|
|
"""Test that promote_replica returns successfully. """
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
replicated_volume = copy.deepcopy(REPLICATED_VOLUME)
|
|
# assume the replication_status should be active
|
|
replicated_volume['replication_status'] = 'active'
|
|
model_update = self.driver.promote_replica(
|
|
CONTEXT,
|
|
replicated_volume
|
|
)
|
|
# after promoting, replication_status should be inactive
|
|
self.assertEqual(
|
|
model_update['replication_status'],
|
|
'inactive'
|
|
)
|
|
|
|
def test_promote_replica_fail_on_cinder_exception(self):
|
|
"""Test that promote_replica fails on CinderException. """
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
replicated_volume = copy.deepcopy(REPLICATED_VOLUME)
|
|
# on purpose - set invalid value to replication_status
|
|
# expect an exception.
|
|
replicated_volume['replication_status'] = 'invalid_status_val'
|
|
self.assertRaises(
|
|
exception.CinderException,
|
|
self.driver.promote_replica,
|
|
CONTEXT,
|
|
replicated_volume
|
|
)
|
|
|
|
def test_create_replica_test_volume(self):
|
|
"""Test that create_replica_test_volume returns successfully."""
|
|
|
|
self.driver.do_setup(None)
|
|
tgt_volume = copy.deepcopy(VOLUME)
|
|
src_volume = copy.deepcopy(REPLICATED_VOLUME)
|
|
tgt_volume['size'] = src_volume['size']
|
|
model_update = self.driver.create_replica_test_volume(
|
|
tgt_volume,
|
|
src_volume
|
|
)
|
|
self.assertTrue(model_update is None)
|
|
|
|
def test_create_replica_test_volume_fail_on_diff_size(self):
|
|
"""Test that create_replica_test_volume fails on diff size."""
|
|
|
|
self.driver.do_setup(None)
|
|
tgt_volume = copy.deepcopy(VOLUME)
|
|
src_volume = copy.deepcopy(REPLICATED_VOLUME)
|
|
self.assertRaises(
|
|
exception.InvalidVolume,
|
|
self.driver.create_replica_test_volume,
|
|
tgt_volume,
|
|
src_volume
|
|
)
|
|
|
|
def test_retype(self):
|
|
"""Test that retype returns successfully."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
# prepare parameters
|
|
ctxt = context.get_admin_context()
|
|
|
|
host = {
|
|
'host': 'foo',
|
|
'capabilities': {
|
|
'location_info': 'xiv_ds8k_fake_1',
|
|
'extent_size': '1024'
|
|
}
|
|
}
|
|
|
|
key_specs_old = {'easytier': False, 'warning': 2, 'autoexpand': True}
|
|
key_specs_new = {'easytier': True, 'warning': 5, 'autoexpand': False}
|
|
old_type_ref = volume_types.create(ctxt, 'old', key_specs_old)
|
|
new_type_ref = volume_types.create(ctxt, 'new', key_specs_new)
|
|
|
|
diff, equal = volume_types.volume_types_diff(
|
|
ctxt,
|
|
old_type_ref['id'],
|
|
new_type_ref['id'],
|
|
)
|
|
|
|
volume = copy.deepcopy(VOLUME)
|
|
old_type = volume_types.get_volume_type(ctxt, old_type_ref['id'])
|
|
volume['volume_type'] = old_type
|
|
volume['host'] = host
|
|
new_type = volume_types.get_volume_type(ctxt, new_type_ref['id'])
|
|
|
|
self.driver.create_volume(volume)
|
|
ret = self.driver.retype(ctxt, volume, new_type, diff, host)
|
|
self.assertTrue(ret)
|
|
self.assertTrue(volume['easytier'])
|
|
|
|
def test_retype_fail_on_exception(self):
|
|
"""Test that retype fails on exception."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
# prepare parameters
|
|
ctxt = context.get_admin_context()
|
|
|
|
host = {
|
|
'host': 'foo',
|
|
'capabilities': {
|
|
'location_info': 'xiv_ds8k_fake_1',
|
|
'extent_size': '1024'
|
|
}
|
|
}
|
|
|
|
key_specs_old = {'easytier': False, 'warning': 2, 'autoexpand': True}
|
|
old_type_ref = volume_types.create(ctxt, 'old', key_specs_old)
|
|
new_type_ref = volume_types.create(ctxt, 'new')
|
|
|
|
diff, equal = volume_types.volume_types_diff(
|
|
ctxt,
|
|
old_type_ref['id'],
|
|
new_type_ref['id'],
|
|
)
|
|
|
|
volume = copy.deepcopy(VOLUME)
|
|
old_type = volume_types.get_volume_type(ctxt, old_type_ref['id'])
|
|
volume['volume_type'] = old_type
|
|
volume['host'] = host
|
|
new_type = volume_types.get_volume_type(ctxt, new_type_ref['id'])
|
|
|
|
self.driver.create_volume(volume)
|
|
self.assertRaises(
|
|
KeyError,
|
|
self.driver.retype,
|
|
ctxt, volume, new_type, diff, host
|
|
)
|
|
|
|
def test_create_consistencygroup(self):
|
|
"""Test that create_consistencygroup return successfully."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
model_update = self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
self.assertEqual('available',
|
|
model_update['status'],
|
|
"Consistency Group created failed")
|
|
|
|
def test_create_consistencygroup_fail_on_cg_not_empty(self):
|
|
"""Test create_consistencygroup with empty consistency group."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create volumes
|
|
# And add the volumes into the consistency group before creating cg
|
|
self.driver.create_volume(VOLUME)
|
|
|
|
self.assertRaises(exception.CinderException,
|
|
self.driver.create_consistencygroup,
|
|
ctxt, CONSISTGROUP)
|
|
|
|
def test_delete_consistencygroup(self):
|
|
"""Test that delete_consistencygroup return successfully."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Create volumes and add them to consistency group
|
|
self.driver.create_volume(VOLUME)
|
|
|
|
# Delete consistency group
|
|
model_update, volumes = \
|
|
self.driver.delete_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Verify the result
|
|
self.assertEqual('deleted',
|
|
model_update['status'],
|
|
'Consistency Group deleted failed')
|
|
for volume in volumes:
|
|
self.assertEqual('deleted',
|
|
volume['status'],
|
|
'Consistency Group deleted failed')
|
|
|
|
def test_delete_consistencygroup_fail_on_volume_not_delete(self):
|
|
"""Test delete_consistencygroup with volume delete failure."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Set the volume not to be deleted
|
|
volume = copy.deepcopy(VOLUME)
|
|
volume['name'] = CANNOT_DELETE
|
|
|
|
# Create volumes and add them to consistency group
|
|
self.driver.create_volume(volume)
|
|
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.driver.delete_consistencygroup,
|
|
ctxt, CONSISTGROUP)
|
|
|
|
def test_create_cgsnapshot(self):
|
|
"""Test that create_cgsnapshot return successfully."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Create volumes and add them to consistency group
|
|
self.driver.create_volume(VOLUME)
|
|
|
|
# Create consistency group snapshot
|
|
model_update, snapshots = \
|
|
self.driver.create_cgsnapshot(ctxt, CG_SNAPSHOT)
|
|
|
|
# Verify the result
|
|
self.assertEqual('available',
|
|
model_update['status'],
|
|
'Consistency Group Snapshot created failed')
|
|
for snap in snapshots:
|
|
self.assertEqual('available',
|
|
snap['status'])
|
|
|
|
# Clean the environment
|
|
self.driver.delete_cgsnapshot(ctxt, CG_SNAPSHOT)
|
|
self.driver.delete_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
def test_create_cgsnapshot_fail_on_no_pool_space_left(self):
|
|
"""Test that create_cgsnapshot return fail when no pool space left."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Set the volume size
|
|
volume = copy.deepcopy(VOLUME)
|
|
volume['size'] = POOL_SIZE / 2 + 1
|
|
|
|
# Create volumes and add them to consistency group
|
|
self.driver.create_volume(volume)
|
|
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.driver.create_cgsnapshot,
|
|
ctxt, CG_SNAPSHOT)
|
|
|
|
# Clean the environment
|
|
self.driver.volumes = None
|
|
self.driver.delete_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
def test_delete_cgsnapshot(self):
|
|
"""Test that delete_cgsnapshot return successfully."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Create volumes and add them to consistency group
|
|
self.driver.create_volume(VOLUME)
|
|
|
|
# Create consistency group snapshot
|
|
self.driver.create_cgsnapshot(ctxt, CG_SNAPSHOT)
|
|
|
|
# Delete consistency group snapshot
|
|
model_update, snapshots = \
|
|
self.driver.delete_cgsnapshot(ctxt, CG_SNAPSHOT)
|
|
|
|
# Verify the result
|
|
self.assertEqual('deleted',
|
|
model_update['status'],
|
|
'Consistency Group Snapshot deleted failed')
|
|
for snap in snapshots:
|
|
self.assertEqual('deleted',
|
|
snap['status'])
|
|
|
|
# Clean the environment
|
|
self.driver.delete_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
def test_delete_cgsnapshot_fail_on_snapshot_not_delete(self):
|
|
"""Test delete_cgsnapshot when the snapshot cannot be deleted."""
|
|
|
|
self.driver.do_setup(None)
|
|
|
|
ctxt = context.get_admin_context()
|
|
|
|
# Create consistency group
|
|
self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
|
|
|
|
# Set the snapshot not to be deleted
|
|
volume = copy.deepcopy(VOLUME)
|
|
volume['name'] = CANNOT_DELETE
|
|
|
|
# Create volumes and add them to consistency group
|
|
self.driver.create_volume(volume)
|
|
|
|
# Create consistency group snapshot
|
|
self.driver.create_cgsnapshot(ctxt, CG_SNAPSHOT)
|
|
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.driver.delete_cgsnapshot,
|
|
ctxt, CG_SNAPSHOT)
|