IBM storage: switch to generic volume group
For Pike, IBM storage driver needs to switch to generic volume group from consistency group. Because IBM storage driver manages both Spectrum Accelerate Family and DS8000 Family, this change will only change the common code shared by these storages. Changes for these storage systems will be in separate reviews. Implements: blueprint ibm-storage-vg Change-Id: Id9964f868c2dc14aaee37e4bcbba330fb4575492
This commit is contained in:
Jia Min
parent
180d8fe931
commit
f22a4a3625
@ -33,7 +33,7 @@ FAKE2 = "fake2"
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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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GROUP_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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@ -42,11 +42,11 @@ VOLUME2 = {'size': 32,
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'name': FAKE2,
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'id': 2,
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'status': 'available'}
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CG_VOLUME = {'size': 16,
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'name': FAKE,
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'id': 3,
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'consistencygroup_id': CONSISTGROUP_ID,
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'status': 'available'}
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GROUP_VOLUME = {'size': 16,
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'name': FAKE,
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'id': 3,
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'group_id': GROUP_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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@ -70,10 +70,10 @@ FAKESNAPSHOT = 'fakesnapshot'
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SNAPSHOT = {'name': 'fakesnapshot',
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'id': 3}
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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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GROUP = {'id': GROUP_ID, }
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GROUP_SNAPSHOT_ID = 1
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GROUP_SNAPSHOT = {'id': GROUP_SNAPSHOT_ID,
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'group_id': GROUP_ID}
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CONNECTOR = {'initiator': "iqn.2012-07.org.fake:01:948f189c4695", }
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@ -182,21 +182,20 @@ class IBMStorageFakeProxyDriver(object):
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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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def create_group(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 volume['group_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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message='The group id of volume may be wrong.')
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return {'status': fields.ConsistencyGroupStatus.AVAILABLE}
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return {'status': fields.GroupStatus.AVAILABLE}
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def delete_consistencygroup(self, ctxt, group, volumes):
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def delete_group(self, ctxt, group, 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 group.get('id') == volume.get('group_id'):
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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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@ -204,53 +203,44 @@ class IBMStorageFakeProxyDriver(object):
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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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# Delete snapshots in 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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if not(snap.get('group_id') == group.get('id'))}
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# Delete volume in consistency group
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# Delete volume in 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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if not(vol.get('group_id') == group.get('id'))}
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return {'status': 'deleted'}, volumes
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return {'status': fields.GroupStatus.DELETED}, volumes
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def update_consistencygroup(
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self, context, group,
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add_volumes, remove_volumes):
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model_update = {'status': fields.ConsistencyGroupStatus.AVAILABLE}
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def update_group(self, context, group, add_volumes, remove_volumes):
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model_update = {'status': fields.GroupStatus.AVAILABLE}
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return model_update, None, None
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def create_consistencygroup_from_src(
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self, context, group, volumes, cgsnapshot, snapshots,
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source_cg=None, source_vols=None):
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def create_group_from_src(self, context, group, volumes, group_snapshot,
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snapshots, source_group=None, source_vols=None):
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return None, None
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def create_cgsnapshot(self, ctxt, cgsnapshot, snapshots):
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def create_group_snapshot(self, ctxt, group_snapshot, 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 group_snapshot.get('group_id') == volume.get('group_id'):
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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['name'] = (
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CANNOT_DELETE 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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snapshot['group_snapshot_id'] = group_snapshot.get('id')
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snapshot['group_id'] = group_snapshot.get('group_id')
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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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return {'status': fields.GroupSnapshotStatus.AVAILABLE}, snapshots
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def delete_cgsnapshot(self, ctxt, cgsnapshot, snapshots):
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def delete_group_snapshot(self, ctxt, group_snapshot, snapshots):
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updated_snapshots = []
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for snapshot in snapshots:
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if snapshot['name'] == CANNOT_DELETE:
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@ -260,10 +250,10 @@ class IBMStorageFakeProxyDriver(object):
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snapshot['status'] = 'deleted'
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updated_snapshots.append(snapshot)
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# Delete snapshots in consistency group
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# Delete snapshots in 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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if not(snap.get('group_id')
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== group_snapshot.get('group_snapshot_id'))}
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return {'status': 'deleted'}, updated_snapshots
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@ -587,272 +577,271 @@ class IBMStorageVolumeDriverTest(test.TestCase):
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ctxt, volume, new_type, diff, host
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)
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def test_create_consistencygroup(self):
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"""Test that create_consistencygroup return successfully."""
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def test_create_group(self):
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"""Test that create_group return successfully."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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model_update = self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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model_update = self.driver.create_group(ctxt, GROUP)
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self.assertEqual(fields.ConsistencyGroupStatus.AVAILABLE,
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self.assertEqual(fields.GroupStatus.AVAILABLE,
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model_update['status'],
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"Consistency Group created failed")
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"Group created failed")
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def test_create_consistencygroup_fail_on_cg_not_empty(self):
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"""Test create_consistencygroup with empty consistency group."""
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def test_create_group_fail_on_group_not_empty(self):
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"""Test create_group with empty group."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create volumes
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# And add the volumes into the consistency group before creating cg
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self.driver.create_volume(CG_VOLUME)
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# And add the volumes into the group before creating group
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self.driver.create_volume(GROUP_VOLUME)
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self.assertRaises(exception.CinderException,
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self.driver.create_consistencygroup,
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ctxt, CONSISTGROUP)
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self.driver.create_group,
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ctxt, GROUP)
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def test_delete_consistencygroup(self):
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"""Test that delete_consistencygroup return successfully."""
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def test_delete_group(self):
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"""Test that delete_group return successfully."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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self.driver.create_group(ctxt, GROUP)
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# Create volumes and add them to consistency group
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self.driver.create_volume(CG_VOLUME)
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# Create volumes and add them to group
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self.driver.create_volume(GROUP_VOLUME)
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# Delete consistency group
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model_update, volumes = \
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self.driver.delete_consistencygroup(
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ctxt, CONSISTGROUP, [CG_VOLUME])
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# Delete group
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model_update, volumes = self.driver.delete_group(ctxt, GROUP,
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[GROUP_VOLUME])
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# Verify the result
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self.assertEqual(fields.ConsistencyGroupStatus.DELETED,
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self.assertEqual(fields.GroupStatus.DELETED,
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model_update['status'],
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'Consistency Group deleted failed')
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'Group deleted failed')
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for volume in volumes:
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self.assertEqual('deleted',
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volume['status'],
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'Consistency Group deleted failed')
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'Group deleted failed')
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def test_delete_consistencygroup_fail_on_volume_not_delete(self):
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"""Test delete_consistencygroup with volume delete failure."""
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def test_delete_group_fail_on_volume_not_delete(self):
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"""Test delete_group with volume delete failure."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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self.driver.create_group(ctxt, GROUP)
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# Set the volume not to be deleted
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volume = copy.deepcopy(CG_VOLUME)
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volume = copy.deepcopy(GROUP_VOLUME)
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volume['name'] = CANNOT_DELETE
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# Create volumes and add them to consistency group
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# Create volumes and add them to group
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self.driver.create_volume(volume)
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.delete_consistencygroup,
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ctxt, CONSISTGROUP, [volume])
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self.driver.delete_group,
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ctxt, GROUP, [volume])
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def test_create_cgsnapshot(self):
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"""Test that create_cgsnapshot return successfully."""
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def test_create_group_snapshot(self):
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"""Test that create_group_snapshot return successfully."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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self.driver.create_group(ctxt, GROUP)
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# Create volumes and add them to consistency group
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# Create volumes and add them to group
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self.driver.create_volume(VOLUME)
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# Create consistency group snapshot
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model_update, snapshots = \
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self.driver.create_cgsnapshot(ctxt, CG_SNAPSHOT, [VOLUME])
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# Create group snapshot
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model_update, snapshots = self.driver.create_group_snapshot(
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ctxt, GROUP_SNAPSHOT, [VOLUME])
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# Verify the result
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self.assertEqual('available',
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self.assertEqual(fields.GroupSnapshotStatus.AVAILABLE,
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model_update['status'],
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'Consistency Group Snapshot created failed')
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'Group Snapshot created failed')
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for snap in snapshots:
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self.assertEqual('available',
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snap['status'])
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# Clean the environment
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self.driver.delete_cgsnapshot(ctxt, CG_SNAPSHOT, [VOLUME])
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self.driver.delete_consistencygroup(ctxt, CONSISTGROUP, [VOLUME])
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self.driver.delete_group_snapshot(ctxt, GROUP_SNAPSHOT, [VOLUME])
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self.driver.delete_group(ctxt, GROUP, [VOLUME])
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def test_create_cgsnapshot_fail_on_no_pool_space_left(self):
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"""Test that create_cgsnapshot return fail when no pool space left."""
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def test_create_group_snapshot_fail_on_no_pool_space_left(self):
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"""Test create_group_snapshot when no pool space left."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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self.driver.create_group(ctxt, GROUP)
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# Set the volume size
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volume = copy.deepcopy(CG_VOLUME)
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volume = copy.deepcopy(GROUP_VOLUME)
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volume['size'] = POOL_SIZE / 2 + 1
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# Create volumes and add them to consistency group
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# Create volumes and add them to group
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self.driver.create_volume(volume)
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.create_cgsnapshot,
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ctxt, CG_SNAPSHOT, [volume])
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self.driver.create_group_snapshot,
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ctxt, GROUP_SNAPSHOT, [volume])
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# Clean the environment
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self.driver.volumes = None
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self.driver.delete_consistencygroup(ctxt, CONSISTGROUP, [volume])
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self.driver.delete_group(ctxt, GROUP, [volume])
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def test_delete_cgsnapshot(self):
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"""Test that delete_cgsnapshot return successfully."""
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def test_delete_group_snapshot(self):
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"""Test that delete_group_snapshot return successfully."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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self.driver.create_group(ctxt, GROUP)
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# Create volumes and add them to consistency group
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self.driver.create_volume(CG_VOLUME)
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# Create volumes and add them to group
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self.driver.create_volume(GROUP_VOLUME)
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# Create consistency group snapshot
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self.driver.create_cgsnapshot(ctxt, CG_SNAPSHOT, [CG_VOLUME])
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# Create group snapshot
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self.driver.create_group_snapshot(ctxt, GROUP_SNAPSHOT, [GROUP_VOLUME])
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# Delete consistency group snapshot
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model_update, snapshots = \
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self.driver.delete_cgsnapshot(ctxt, CG_SNAPSHOT, [CG_VOLUME])
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# Delete group snapshot
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model_update, snapshots = self.driver.delete_group_snapshot(
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ctxt, GROUP_SNAPSHOT, [GROUP_VOLUME])
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# Verify the result
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self.assertEqual('deleted',
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self.assertEqual(fields.GroupSnapshotStatus.DELETED,
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model_update['status'],
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'Consistency Group Snapshot deleted failed')
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'Group Snapshot deleted failed')
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for snap in snapshots:
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self.assertEqual('deleted',
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snap['status'])
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# Clean the environment
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self.driver.delete_consistencygroup(ctxt, CONSISTGROUP, [CG_VOLUME])
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self.driver.delete_group(ctxt, GROUP, [GROUP_VOLUME])
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def test_delete_cgsnapshot_fail_on_snapshot_not_delete(self):
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"""Test delete_cgsnapshot when the snapshot cannot be deleted."""
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def test_delete_group_snapshot_fail_on_snapshot_not_delete(self):
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"""Test delete_group_snapshot when the snapshot cannot be deleted."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Create consistency group
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self.driver.create_consistencygroup(ctxt, CONSISTGROUP)
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# Create group
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self.driver.create_group(ctxt, GROUP)
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# Set the snapshot not to be deleted
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volume = copy.deepcopy(CG_VOLUME)
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volume = copy.deepcopy(GROUP_VOLUME)
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volume['name'] = CANNOT_DELETE
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# Create volumes and add them to consistency group
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# Create volumes and add them to group
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self.driver.create_volume(volume)
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# Create consistency group snapshot
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self.driver.create_cgsnapshot(ctxt, CG_SNAPSHOT, [volume])
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# Create group snapshot
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self.driver.create_group_snapshot(ctxt, GROUP_SNAPSHOT, [volume])
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.delete_cgsnapshot,
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ctxt, CG_SNAPSHOT, [volume])
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self.driver.delete_group_snapshot,
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ctxt, GROUP_SNAPSHOT, [volume])
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def test_update_consistencygroup_without_volumes(self):
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"""Test update_consistencygroup when there are no volumes specified."""
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def test_update_group_without_volumes(self):
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"""Test update_group when there are no volumes specified."""
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self.driver.do_setup(None)
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ctxt = context.get_admin_context()
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# Update consistency group
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model_update, added, removed = self.driver.update_consistencygroup(
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ctxt, CONSISTGROUP, [], [])
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# Update group
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model_update, added, removed = self.driver.update_group(
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ctxt, GROUP, [], [])
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self.assertEqual(fields.ConsistencyGroupStatus.AVAILABLE,
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self.assertEqual(fields.GroupStatus.AVAILABLE,
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model_update['status'],
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"Consistency Group update failed")
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"Group update failed")
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self.assertIsNone(added,
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"added volumes list is not empty")
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self.assertIsNone(removed,
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||||
"removed volumes list is not empty")
|
||||
|
||||
def test_update_consistencygroup_with_volumes(self):
|
||||
"""Test update_consistencygroup when there are volumes specified."""
|
||||
def test_update_group_with_volumes(self):
|
||||
"""Test update_group when there are volumes specified."""
|
||||
|
||||
self.driver.do_setup(None)
|
||||
|
||||
ctxt = context.get_admin_context()
|
||||
|
||||
# Update consistency group
|
||||
model_update, added, removed = self.driver.update_consistencygroup(
|
||||
ctxt, CONSISTGROUP, [VOLUME], [VOLUME2])
|
||||
# Update group
|
||||
model_update, added, removed = self.driver.update_group(
|
||||
ctxt, GROUP, [VOLUME], [VOLUME2])
|
||||
|
||||
self.assertEqual(fields.ConsistencyGroupStatus.AVAILABLE,
|
||||
self.assertEqual(fields.GroupStatus.AVAILABLE,
|
||||
model_update['status'],
|
||||
"Consistency Group update failed")
|
||||
"Group update failed")
|
||||
self.assertIsNone(added,
|
||||
"added volumes list is not empty")
|
||||
self.assertIsNone(removed,
|
||||
"removed volumes list is not empty")
|
||||
|
||||
def test_create_consistencygroup_from_src_without_volumes(self):
|
||||
"""Test create_consistencygroup_from_src with no volumes specified."""
|
||||
def test_create_group_from_src_without_volumes(self):
|
||||
"""Test create_group_from_src with no volumes specified."""
|
||||
|
||||
self.driver.do_setup(None)
|
||||
|
||||
ctxt = context.get_admin_context()
|
||||
|
||||
# Create consistency group from source
|
||||
# Create group from source
|
||||
model_update, volumes_model_update = (
|
||||
self.driver.create_consistencygroup_from_src(
|
||||
ctxt, CONSISTGROUP, [], CG_SNAPSHOT, []))
|
||||
self.driver.create_group_from_src(
|
||||
ctxt, GROUP, [], GROUP_SNAPSHOT, []))
|
||||
|
||||
# model_update can be None or return available in status
|
||||
if model_update:
|
||||
self.assertEqual(fields.ConsistencyGroupStatus.AVAILABLE,
|
||||
self.assertEqual(fields.GroupStatus.AVAILABLE,
|
||||
model_update['status'],
|
||||
"Consistency Group create from source failed")
|
||||
"Group create from source failed")
|
||||
# volumes_model_update can be None or return available in status
|
||||
if volumes_model_update:
|
||||
self.assertFalse(volumes_model_update,
|
||||
"volumes list is not empty")
|
||||
|
||||
def test_create_consistencygroup_from_src_with_volumes(self):
|
||||
"""Test create_consistencygroup_from_src with volumes specified."""
|
||||
def test_create_group_from_src_with_volumes(self):
|
||||
"""Test create_group_from_src with volumes specified."""
|
||||
|
||||
self.driver.do_setup(None)
|
||||
|
||||
ctxt = context.get_admin_context()
|
||||
|
||||
# Create consistency group from source
|
||||
# Create group from source
|
||||
model_update, volumes_model_update = (
|
||||
self.driver.create_consistencygroup_from_src(
|
||||
ctxt, CONSISTGROUP, [VOLUME], CG_SNAPSHOT, [SNAPSHOT]))
|
||||
self.driver.create_group_from_src(
|
||||
ctxt, GROUP, [VOLUME], GROUP_SNAPSHOT, [SNAPSHOT]))
|
||||
|
||||
# model_update can be None or return available in status
|
||||
if model_update:
|
||||
self.assertEqual(fields.ConsistencyGroupStatus.AVAILABLE,
|
||||
self.assertEqual(fields.GroupStatus.AVAILABLE,
|
||||
model_update['status'],
|
||||
"Consistency Group create from source failed")
|
||||
"Group create from source failed")
|
||||
# volumes_model_update can be None or return available in status
|
||||
if volumes_model_update:
|
||||
self.assertEqual('available',
|
||||
self.assertEqual(fields.GroupStatus.AVAILABLE,
|
||||
volumes_model_update['status'],
|
||||
"volumes list status failed")
|
||||
|
||||
|
||||
@ -223,41 +223,39 @@ class IBMStorageDriver(san.SanDriver,
|
||||
|
||||
return self.proxy.retype(ctxt, volume, new_type, diff, host)
|
||||
|
||||
def create_consistencygroup(self, context, group):
|
||||
"""Creates a consistency group."""
|
||||
def create_group(self, context, group):
|
||||
"""Creates a group."""
|
||||
|
||||
return self.proxy.create_consistencygroup(context, group)
|
||||
return self.proxy.create_group(context, group)
|
||||
|
||||
def delete_consistencygroup(self, context, group, volumes):
|
||||
"""Deletes a consistency group."""
|
||||
def delete_group(self, context, group, volumes):
|
||||
"""Deletes a group."""
|
||||
|
||||
return self.proxy.delete_consistencygroup(
|
||||
context, group, volumes)
|
||||
return self.proxy.delete_group(context, group, volumes)
|
||||
|
||||
def create_cgsnapshot(self, context, cgsnapshot, snapshots):
|
||||
"""Creates a consistency group snapshot."""
|
||||
def create_group_snapshot(self, context, group_snapshot, snapshots):
|
||||
"""Creates a group snapshot."""
|
||||
|
||||
return self.proxy.create_cgsnapshot(
|
||||
context, cgsnapshot, snapshots)
|
||||
return self.proxy.create_group_snapshot(
|
||||
context, group_snapshot, snapshots)
|
||||
|
||||
def delete_cgsnapshot(self, context, cgsnapshot, snapshots):
|
||||
"""Deletes a consistency group snapshot."""
|
||||
def delete_group_snapshot(self, context, group_snapshot, snapshots):
|
||||
"""Deletes a group snapshot."""
|
||||
|
||||
return self.proxy.delete_cgsnapshot(
|
||||
context, cgsnapshot, snapshots)
|
||||
return self.proxy.delete_group_snapshot(
|
||||
context, group_snapshot, snapshots)
|
||||
|
||||
def update_consistencygroup(self, context, group,
|
||||
add_volumes, remove_volumes):
|
||||
"""Adds or removes volume(s) to/from an existing consistency group."""
|
||||
def update_group(self, context, group, add_volumes, remove_volumes):
|
||||
"""Adds or removes volume(s) to/from an existing group."""
|
||||
|
||||
return self.proxy.update_consistencygroup(
|
||||
return self.proxy.update_group(
|
||||
context, group, add_volumes, remove_volumes)
|
||||
|
||||
def create_consistencygroup_from_src(
|
||||
self, context, group, volumes, cgsnapshot, snapshots,
|
||||
def create_group_from_src(
|
||||
self, context, group, volumes, group_snapshot, snapshots,
|
||||
source_cg=None, source_vols=None):
|
||||
"""Creates a consistencygroup from source."""
|
||||
"""Creates a group from source."""
|
||||
|
||||
return self.proxy.create_consistencygroup_from_src(
|
||||
context, group, volumes, cgsnapshot, snapshots,
|
||||
return self.proxy.create_group_from_src(
|
||||
context, group, volumes, group_snapshot, snapshots,
|
||||
source_cg, source_vols)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user