[SVf] Adding Support for --delete-volumes flag for delete volume group
[Spectrum Virtualize family] As part of Flashcopy 2.0 implementation, added --delete-volumes flag support for deleting VolumeGroup along with volumes. Implements: blueprint ibm-svf-volumegroup Change-Id: I805f8e2d055803090975ec3ac24da90d1948fa57
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gksk
parent
a9a2df22d7
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3993108352
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@ -7257,7 +7257,7 @@ class StorwizeSVCCommonDriverTestCase(test.TestCase):
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self.assertEqual(fields.GroupStatus.AVAILABLE,
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model_update['status'])
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# Delete Volume Group
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model_update = self.driver.delete_group(self.ctxt, volumegroup, None)
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model_update = self.driver.delete_group(self.ctxt, volumegroup, [])
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self.assertTrue(delete_volumegroup.called)
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self.assertEqual(fields.GroupStatus.DELETED,
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model_update[0]['status'])
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@ -7374,7 +7374,7 @@ class StorwizeSVCCommonDriverTestCase(test.TestCase):
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# Delete Volume Group
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model_update = self.driver.delete_group(self.ctxt, volumegroup,
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None)
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[])
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self.assertTrue(delete_volumegroup.called)
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self.assertEqual(fields.GroupStatus.DELETED,
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model_update[0]['status'])
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@ -7461,6 +7461,66 @@ class StorwizeSVCCommonDriverTestCase(test.TestCase):
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self.assertEqual(fields.GroupStatus.DELETED,
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model_update[0]['status'])
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@mock.patch.object(storwize_svc_common.StorwizeHelpers,
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'get_system_info')
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def test_storwize_delete_volumegroup_with_delete_volumes(self,
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get_system_info):
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"""Test volume group creation and deletion"""
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fake_system_info = {'code_level': (8, 5, 1, 0),
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'system_name': 'storwize-svc-sim',
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'system_id': '0123456789ABCDEF'}
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get_system_info.return_value = fake_system_info
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self.driver.do_setup(None)
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# Seting the storwize_volume_group to True
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self._set_flag('storwize_volume_group', True)
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# Create volumegroup type
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volumegroup_spec = {'volume_group_enabled': '<is> True'}
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volumegroup_type_ref = group_types.create(self.ctxt,
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'volumegroup_type',
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volumegroup_spec)
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volumegroup_type = objects.GroupType.get_by_id(
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self.ctxt, volumegroup_type_ref['id'])
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# Create source volume
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vol_type_ref = volume_types.create(self.ctxt, 'non_rep_type', {})
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vol_type = objects.VolumeType.get_by_id(self.ctxt,
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vol_type_ref['id'])
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source_vol = self._generate_vol_info(vol_type)
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self.driver.create_volume(source_vol)
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# Create source volumegroup
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source_volumegroup = testutils.create_group(
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self.ctxt, group_type_id=volumegroup_type.id,
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volume_type_ids=[vol_type_ref['id']])
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model_update = self.driver.create_group(self.ctxt, source_volumegroup)
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self.assertEqual(fields.GroupStatus.AVAILABLE,
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model_update['status'])
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# Add source volumes to source volumegroup
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(model_update, add_volumes_update, remove_volumes_update) = (
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self.driver.update_group(self.ctxt, source_volumegroup,
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[source_vol], []))
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self.assertEqual(fields.GroupStatus.AVAILABLE,
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model_update['status'])
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source_volumegroup_name = self.driver._get_volumegroup_name(
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source_volumegroup)
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self.assertEqual(source_volumegroup_name,
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source_vol.metadata['Volume Group Name'])
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# Delete Volume Group
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model_update = self.driver.delete_group(self.ctxt,
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source_volumegroup,
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[source_vol])
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self.assertEqual(fields.GroupStatus.DELETED,
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model_update[0]['status'])
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for volume in model_update[1]:
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self.assertEqual('deleted', volume['status'])
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@mock.patch.object(storwize_svc_common.StorwizeHelpers,
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'get_system_info')
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@mock.patch.object(cinder.volume.volume_utils,
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@ -2921,6 +2921,18 @@ class StorwizeHelpers(object):
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return
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self.ssh.rmsnapshot(params)
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def get_volume_name_from_metadata(self, volume):
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"""Get Volume name from metadata if metadata exists"""
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if volume.metadata:
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svc_volume_name = volume.metadata.get("Volume Name", None)
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if svc_volume_name:
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LOG.info('Volume %(cinder_id)s in cinder API is linked to '
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'volume_name %(svc_volume_name)s in SVC',
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{'cinder_id': volume.name,
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'svc_volume_name': svc_volume_name})
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volume.name_id = svc_volume_name.split("-", 1)[1]
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return volume
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def get_partnership_info(self, system_name):
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partnership = self.ssh.lspartnership(system_name)
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return partnership[0] if len(partnership) > 0 else None
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@ -6375,7 +6387,8 @@ class StorwizeSVCCommonDriver(san.SanDriver,
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elif volume_utils.is_group_a_type(group, "volume_group_enabled"):
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self._helpers.check_codelevel_for_volumegroup(
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self._state['code_level'])
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model_update = self._delete_volumegroup(group)
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model_update, volumes_model_update = self._delete_volumegroup(
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group, volumes)
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else:
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for volume in volumes:
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@ -7102,9 +7115,41 @@ class StorwizeSVCCommonDriver(san.SanDriver,
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{'vol': volume.name, 'exception': err})
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return model_update, added_vols, removed_vols
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def _delete_volumegroup(self, group):
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def _delete_volumegroup(self, group, volumes):
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model_update = {'status': fields.GroupStatus.DELETED}
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volumegroup_name = self._get_volumegroup_name(group)
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volumes_model_update = []
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force_unmap = True
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if self._state['code_level'] < (7, 7, 0, 0):
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force_unmap = False
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for volume in volumes:
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volume = self._helpers.get_volume_name_from_metadata(volume)
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if self._active_backend_id:
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msg = (_('Error: deleting non-replicated volume in '
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'failover mode is not allowed.'))
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LOG.error(msg)
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volume.name_id = None
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raise exception.VolumeDriverException(message=msg)
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else:
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try:
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self._helpers.delete_vdisk(
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volume.name,
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force_unmap=force_unmap,
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force_delete=True)
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volumes_model_update.append({'id': volume.id,
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'status': 'deleted'})
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except exception.VolumeBackendAPIException as err:
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model_update['status'] = (
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fields.GroupStatus.ERROR_DELETING)
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LOG.error("Failed to delete the volume %(vol)s of CG. "
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"Exception: %(exception)s.",
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{'vol': volume.name, 'exception': err})
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volume.name_id = None
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volumes_model_update.append(
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{'id': volume.id,
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'status': fields.GroupStatus.ERROR_DELETING})
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volume.name_id = None
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try:
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self._helpers.delete_volumegroup(volumegroup_name)
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except exception.VolumeBackendAPIException as err:
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@ -7113,7 +7158,7 @@ class StorwizeSVCCommonDriver(san.SanDriver,
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{'volumegroup': volumegroup_name, 'exception': err})
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model_update = {'status': fields.GroupStatus.ERROR_DELETING}
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return model_update
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return model_update, volumes_model_update
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def _update_volumegroup(self, context, group, add_volumes,
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remove_volumes):
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@ -0,0 +1,6 @@
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---
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features:
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- |
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IBM Spectrum Virtualize Family driver: Added `--delete-volumes` flag
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support for delete volumegroup operation. After adding support,
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the volumes can optionally be deleted when the volume group is deleted.
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