HPE 3par: Fix issue seen during retype/migrate
1] If migration_status is deleting, incorrect volume name on 3par (osv_name) is fetched. 2] For retyped/migrated volume, Remote Copy Group name (rcg_name) is different. 3] For retyped/migrated volume having QOS setting, vvset_name is different. This patch adds necessary logic to get appropriate osv_name, rcg_name and vvset_name (for above scenarios). Closes-Bug: #2026718 Change-Id: Ifa78eb42b0fa7a4446e5e300fcb13567eac04403
This commit is contained in:
raghavendrat
parent
442c538ec7
commit
74c5ec0ab1
@ -199,15 +199,18 @@ class HPE3PARBaseDriver(test.TestCase):
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'volume_type': None,
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'volume_type_id': None}
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volume_replicated = {'name': VOLUME_NAME,
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'id': VOLUME_ID,
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'display_name': 'Foo Volume',
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'replication_status': 'disabled',
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'provider_location': CLIENT_ID,
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'size': 2,
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'host': FAKE_CINDER_HOST,
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'volume_type': 'replicated',
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'volume_type_id': VOLUME_TYPE_ID_REPLICATED}
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volume_replicated = fake_volume.fake_volume_obj(
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context.get_admin_context(),
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name=VOLUME_NAME,
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id=VOLUME_ID,
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display_name='Foo Volume',
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replication_status='disabled',
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provider_location = CLIENT_ID,
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size=2,
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host=FAKE_CINDER_HOST,
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volume_type = 'replicated',
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volume_type_id = VOLUME_TYPE_ID_REPLICATED,
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migration_status = None)
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volume_tiramisu = {'name': VOLUME_NAME,
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'id': VOLUME_ID,
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@ -1257,7 +1260,8 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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'_create_client') as mock_create_client:
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mock_create_client.return_value = mock_client
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volume = self.volume_replicated.copy()
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volume = copy.deepcopy(self.volume_replicated)
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volume['status'] = 'available'
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volume['replication_status'] = 'failed-over'
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self.driver.delete_volume(volume)
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@ -2092,8 +2096,15 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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mock.call.startRemoteCopy(self.RCG_3PAR_NAME)]
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mock_client.assert_has_calls(expected + self.standard_logout)
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# volume's status and migration_status
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# (i) default scenario
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# (ii) deleting temporary volume
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@ddt.data({'status': 'available', 'migration_status': 'migrating'},
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{'status': 'deleting', 'migration_status': 'deleting'})
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@ddt.unpack
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@mock.patch.object(volume_types, 'get_volume_type')
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def test_retype_rep_type_to_non_rep_type(self, _mock_volume_types):
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def test_retype_rep_type_to_non_rep_type(self, _mock_volume_types,
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status, migration_status):
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conf = self.setup_configuration()
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self.replication_targets[0]['replication_mode'] = 'periodic'
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@ -2120,7 +2131,9 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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'size': 2,
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'host': self.FAKE_CINDER_HOST,
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'volume_type': 'replicated',
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'volume_type_id': 'gold'}
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'volume_type_id': 'gold',
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'status': status,
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'migration_status': migration_status}
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volume_type = {'name': 'replicated',
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'deleted': False,
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@ -2215,7 +2228,9 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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'size': 2,
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'host': self.FAKE_CINDER_HOST,
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'volume_type': 'replicated',
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'volume_type_id': 'gold'}
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'volume_type_id': 'gold',
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'status': 'available',
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'migration_status': 'migrating'}
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volume_type = {'name': 'replicated',
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'deleted': False,
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@ -2427,6 +2442,7 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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mock_client.assert_has_calls(expected)
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# Default scenario: vvset name is similar to volume name
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@mock.patch.object(volume_types, 'get_volume_type')
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def test_delete_volume_replicated(self, _mock_volume_types):
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# setup_mock_client drive with default configuration
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@ -2436,6 +2452,55 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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ex = hpeexceptions.HTTPConflict("In use")
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ex._error_code = 34
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mock_client.deleteVolume = mock.Mock(side_effect=[ex, 200])
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mock_client.getVolumeSet.return_value = 'vvs-0DM4qZEVSKON-DXN-NwVpw'
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_mock_volume_types.return_value = {
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'name': 'replicated',
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'extra_specs': {
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'cpg': HPE3PAR_CPG_QOS,
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'snap_cpg': HPE3PAR_CPG_SNAP,
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'vvs_name': self.VVS_NAME,
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'qos': self.QOS,
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'replication_enabled': '<is> True',
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'replication:mode': 'periodic',
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'replication:sync_period': '900',
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'volume_type': self.volume_type_replicated}}
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VVS_NAME = self.VOLUME_3PAR_NAME.replace('osv-', 'vvs-')
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with mock.patch.object(hpecommon.HPE3PARCommon,
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'_create_client') as mock_create_client:
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mock_create_client.return_value = mock_client
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volume = copy.deepcopy(self.volume_replicated)
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volume['status'] = 'available'
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self.driver.delete_volume(volume)
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expected = [
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mock.call.stopRemoteCopy(self.RCG_3PAR_NAME),
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mock.call.removeVolumeFromRemoteCopyGroup(
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self.RCG_3PAR_NAME,
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self.VOLUME_3PAR_NAME,
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removeFromTarget=True),
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mock.call.removeRemoteCopyGroup(self.RCG_3PAR_NAME),
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mock.call.deleteVolume(self.VOLUME_3PAR_NAME),
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mock.call.getVolumeSet(VVS_NAME),
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mock.call.deleteVolumeSet(VVS_NAME),
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mock.call.deleteVolume(self.VOLUME_3PAR_NAME)]
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mock_client.assert_has_calls(expected)
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# Second scenario: vvset name is altogether different from volume name
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@mock.patch.object(volume_types, 'get_volume_type')
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def test_delete_volume_repl_different_vvset(self, _mock_volume_types):
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# setup_mock_client drive with default configuration
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# and return the mock HTTP 3PAR client
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mock_client = self.setup_driver()
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mock_client.getStorageSystemInfo.return_value = {'id': self.CLIENT_ID}
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ex = hpeexceptions.HTTPConflict("In use")
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ex._error_code = 34
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mock_client.deleteVolume = mock.Mock(side_effect=[ex, 200])
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ex_not_found = hpeexceptions.HTTPNotFound("Set does not exist")
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ex_not_found._error_code = 102
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mock_client.getVolumeSet = mock.Mock(side_effect=[ex_not_found, 404])
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mock_client.findVolumeSet.return_value = self.VVS_NAME
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_mock_volume_types.return_value = {
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'name': 'replicated',
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@ -2448,10 +2513,13 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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'replication:mode': 'periodic',
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'replication:sync_period': '900',
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'volume_type': self.volume_type_replicated}}
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vvs_name_similar = self.VOLUME_3PAR_NAME.replace('osv-', 'vvs-')
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with mock.patch.object(hpecommon.HPE3PARCommon,
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'_create_client') as mock_create_client:
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mock_create_client.return_value = mock_client
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self.driver.delete_volume(self.volume_replicated)
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volume = copy.deepcopy(self.volume_replicated)
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volume['status'] = 'available'
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self.driver.delete_volume(volume)
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expected = [
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mock.call.stopRemoteCopy(self.RCG_3PAR_NAME),
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@ -2461,6 +2529,7 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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removeFromTarget=True),
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mock.call.removeRemoteCopyGroup(self.RCG_3PAR_NAME),
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mock.call.deleteVolume(self.VOLUME_3PAR_NAME),
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mock.call.getVolumeSet(vvs_name_similar),
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mock.call.findVolumeSet(self.VOLUME_3PAR_NAME),
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mock.call.removeVolumeFromVolumeSet(self.VVS_NAME,
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self.VOLUME_3PAR_NAME),
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@ -2468,6 +2537,45 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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mock_client.assert_has_calls(expected)
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@mock.patch.object(volume_types, 'get_volume_type')
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def test_delete_volume_replicated_migrated(self, _mock_volume_types):
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# setup_mock_client drive with default configuration
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# and return the mock HTTP 3PAR client
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mock_client = self.setup_driver()
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mock_client.getStorageSystemInfo.return_value = {'id': self.CLIENT_ID}
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mock_client.getVolume.return_value = {'rcopyGroup':
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'rcg-CArwlBBhRqq3K-eLUh'}
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_mock_volume_types.return_value = {
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'name': 'replicated',
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'extra_specs': {
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'cpg': HPE3PAR_CPG,
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'snap_cpg': HPE3PAR_CPG_SNAP,
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'replication_enabled': '<is> True',
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'replication:mode': 'periodic',
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'replication:sync_period': '900',
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'volume_type': self.volume_type_replicated}}
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with mock.patch.object(hpecommon.HPE3PARCommon,
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'_create_client') as mock_create_client:
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mock_create_client.return_value = mock_client
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volume = copy.deepcopy(self.volume_replicated)
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volume['status'] = 'available'
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volume['migration_status'] = 'success'
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self.driver.delete_volume(volume)
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rcg_name_updated = 'rcg-CArwlBBhRqq3K-eLUh'
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expected = [
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mock.call.getVolume(self.VOLUME_3PAR_NAME),
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mock.call.stopRemoteCopy(rcg_name_updated),
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mock.call.removeVolumeFromRemoteCopyGroup(
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rcg_name_updated,
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self.VOLUME_3PAR_NAME,
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removeFromTarget=True),
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mock.call.removeRemoteCopyGroup(rcg_name_updated),
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mock.call.deleteVolume(self.VOLUME_3PAR_NAME)]
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mock_client.assert_has_calls(expected)
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def test_get_cpg_with_volume_return_usercpg(self):
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# setup_mock_client drive with default configuration
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# and return the mock HTTP 3PAR client
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@ -3378,6 +3486,7 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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@ddt.unpack
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def test_revert_to_snapshot(self, snapshot_attr, vol_name):
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snapshot = getattr(self, snapshot_attr)
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snapshot['volume']['migration_status'] = None
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# setup_mock_client drive with default configuration
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# and return the mock HTTP 3PAR client
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mock_client = self.setup_driver()
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@ -5895,6 +6004,7 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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group.replication_status = fields.ReplicationStatus.ENABLED
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group.volume_types = [self.volume_type_tiramisu]
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volume['group'] = group
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volume['migration_status'] = None
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self.driver.revert_to_snapshot(
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self.ctxt,
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@ -6746,7 +6856,7 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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mock_replication_client.return_value = mock_replicated_client
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# Test a successful fail-back.
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volume = self.volume_replicated.copy()
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volume = copy.deepcopy(self.volume_replicated)
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volume['replication_status'] = 'failed-over'
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return_model = self.driver.failover_host(
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context.get_admin_context(),
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@ -6797,7 +6907,7 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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mock_replication_client.return_value = mock_replicated_client
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# Test an unsuccessful fail-back.
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volume = self.volume_replicated.copy()
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volume = copy.deepcopy(self.volume_replicated)
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volume['replication_status'] = 'failed-over'
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self.assertRaises(
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@ -6905,6 +7015,51 @@ class TestHPE3PARDriverBase(HPE3PARBaseDriver):
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if 'HP:3PAR' in new_key:
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self.assertIn(new_key, properties)
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@mock.patch.object(volume_types, 'get_volume_type')
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def test_rename_migrated_vvset(self, _mock_volume_types):
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# Setup_mock_client drive with default configuration
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# and return the mock HTTP 3PAR client
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mock_client = self.setup_driver()
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mock_client.getStorageSystemInfo.return_value = {'id': self.CLIENT_ID}
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with mock.patch.object(hpecommon.HPE3PARCommon,
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'_create_client') as mock_create_client:
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mock_create_client.return_value = mock_client
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dest_volume = {'name': self.VOLUME_NAME,
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'id': self.VOLUME_ID,
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'display_name': 'Foo Volume',
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'size': 2,
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'host': self.FAKE_CINDER_HOST,
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'volume_type': None,
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'volume_type_id': None}
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src_volume = {'name': self.SRC_CG_VOLUME_NAME,
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'id': self.SRC_CG_VOLUME_ID,
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'display_name': 'Foo Volume',
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'size': 2,
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'host': self.FAKE_CINDER_HOST,
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'volume_type': None,
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'volume_type_id': None}
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vvs_name_dest = 'vvs-0DM4qZEVSKON-DXN-NwVpw'
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vvs_name_src = 'vvs-vSHRG8dlTGiJbGsH9jz8tg'
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vvs_name_temp = 'tos-vSHRG8dlTGiJbGsH9jz8tg'
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common = self.driver._login()
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return_model = common._rename_migrated_vvset(src_volume,
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dest_volume)
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expected = [
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mock.call.modifyVolumeSet(
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vvs_name_dest, newName=vvs_name_temp),
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mock.call.modifyVolumeSet(
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vvs_name_src, newName=vvs_name_dest),
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mock.call.modifyVolumeSet(
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vvs_name_temp, newName=vvs_name_src)]
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mock_client.assert_has_calls(expected)
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self.assertIsNone(return_model)
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@ddt.ddt
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class TestHPE3PARFCDriver(HPE3PARBaseDriver):
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@ -305,11 +305,12 @@ class HPE3PARCommon(object):
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error out if it has child snapshot(s). Bug #1994521
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4.0.19 - Update code to work with new WSAPI (of 2023). Bug #2015746
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4.0.20 - Use small QoS Latency value. Bug #2018994
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4.0.21 - Fix issue seen during retype/migrate. Bug #2026718
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"""
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VERSION = "4.0.20"
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VERSION = "4.0.21"
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stats = {}
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@ -1463,7 +1464,20 @@ class HPE3PARCommon(object):
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# v2 replication conversion
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def _get_3par_rcg_name(self, volume):
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rcg_name = self._encode_name(volume.get('_name_id') or volume['id'])
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# if non-replicated volume is retyped or migrated to replicated vol,
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# then rcg_name is different. Try to get that new rcg_name.
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if volume['migration_status'] == 'success':
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vol_name = self._get_3par_vol_name(volume)
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vol_details = self.client.getVolume(vol_name)
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rcg_name = vol_details.get('rcopyGroup')
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LOG.debug("new rcg_name: %(name)s",
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{'name': rcg_name})
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return rcg_name
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else:
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# by default, rcg_name is similar to volume name
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rcg_name = self._encode_name(volume.get('_name_id')
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or volume['id'])
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rcg = "rcg-%s" % rcg_name
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return rcg[:22]
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@ -2691,6 +2705,10 @@ class HPE3PARCommon(object):
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raise exception.CinderException(ex)
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def delete_volume(self, volume):
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vol_id = volume.id
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name_id = volume.get('_name_id')
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LOG.debug("DELETE volume vol_id: %(vol_id)s, name_id: %(name_id)s",
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{'vol_id': vol_id, 'name_id': name_id})
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@utils.retry(exception.VolumeIsBusy, interval=2, retries=10)
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def _try_remove_volume(volume_name):
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@ -2706,15 +2724,30 @@ class HPE3PARCommon(object):
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# If the volume type is replication enabled, we want to call our own
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# method of deconstructing the volume and its dependencies
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if self._volume_of_replicated_type(volume, hpe_tiramisu_check=True):
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LOG.debug("volume is of replicated_type")
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replication_status = volume.get('replication_status', None)
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if replication_status and replication_status == "failed-over":
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LOG.debug("replication_status: %(status)s",
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{'status': replication_status})
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if replication_status:
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if replication_status == "failed-over":
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self._delete_replicated_failed_over_volume(volume)
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else:
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self._do_volume_replication_destroy(volume)
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return
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try:
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volume_name = self._get_3par_vol_name(volume)
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# during retype/migrate
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if (self._volume_of_replicated_type(volume, hpe_tiramisu_check=True)
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and volume['migration_status'] == 'deleting'):
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# don't use current osv_name (which was from name_id)
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# get new osv_name from id
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LOG.debug("get osv_name from volume id")
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volume_name = self._encode_name(volume.id)
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volume_name = "osv-" + volume_name
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LOG.debug("volume_name: %(name)s", {'name': volume_name})
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try:
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# Try and delete the volume, it might fail here because
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# the volume is part of a volume set which will have the
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# volume set name in the error.
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@ -3073,6 +3106,39 @@ class HPE3PARCommon(object):
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log_error('original', e, temp_name, current_name, temp_name)
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return True
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def _rename_migrated_vvset(self, src_volume, dest_volume):
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"""Rename the vvsets after a migration.
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"""
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vvs_name_src = self._get_3par_vvs_name(src_volume['id'])
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vvs_name_dest = self._get_3par_vvs_name(dest_volume['id'])
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# There can be parallel execution. Ensure that temp_vvs_name is unique
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# eg. if vvs_name_src is: vvs-DK3sEwkPTCqVHdHKHtwZBA
|
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# then temp_vvs_name is : tos-DK3sEwkPTCqVHdHKHtwZBA
|
||||
temp_vvs_name = 'tos-' + vvs_name_src[4:]
|
||||
|
||||
try:
|
||||
self.client.modifyVolumeSet(vvs_name_dest, newName=temp_vvs_name)
|
||||
LOG.debug("Renamed vvset %(old)s to %(new)s",
|
||||
{'old': vvs_name_dest, 'new': temp_vvs_name})
|
||||
except Exception as ex:
|
||||
LOG.error("exception: %(details)s", {'details': str(ex)})
|
||||
|
||||
try:
|
||||
self.client.modifyVolumeSet(vvs_name_src, newName=vvs_name_dest)
|
||||
LOG.debug("Renamed vvset %(old)s to %(new)s",
|
||||
{'old': vvs_name_src, 'new': vvs_name_dest})
|
||||
except Exception as ex:
|
||||
LOG.error("exception: %(details)s", {'details': str(ex)})
|
||||
|
||||
try:
|
||||
self.client.modifyVolumeSet(temp_vvs_name, newName=vvs_name_src)
|
||||
LOG.debug("Renamed vvset %(old)s to %(new)s",
|
||||
{'old': temp_vvs_name, 'new': vvs_name_src})
|
||||
except Exception as ex:
|
||||
LOG.error("exception: %(details)s", {'details': str(ex)})
|
||||
|
||||
def update_migrated_volume(self, context, volume, new_volume,
|
||||
original_volume_status):
|
||||
"""Rename the new (temp) volume to it's original name.
|
||||
@ -3105,6 +3171,13 @@ class HPE3PARCommon(object):
|
||||
self._update_comment(current_name, volume_id=volume['id'],
|
||||
_name_id=name_id)
|
||||
|
||||
if new_volume_renamed:
|
||||
type_info = self.get_volume_settings_from_type(volume)
|
||||
qos = type_info['qos']
|
||||
if qos:
|
||||
# rename the vvsets as per volume names
|
||||
self._rename_migrated_vvset(volume, new_volume)
|
||||
|
||||
return {'_name_id': name_id, 'provider_location': provider_location}
|
||||
|
||||
@staticmethod
|
||||
@ -4491,7 +4564,7 @@ class HPE3PARCommon(object):
|
||||
|
||||
return True
|
||||
except Exception as ex:
|
||||
self._do_volume_replication_destroy(volume)
|
||||
self._do_volume_replication_destroy(volume, retype=retype)
|
||||
msg = (_("There was an error setting up a remote copy group "
|
||||
"on the 3PAR arrays: ('%s'). The volume will not be "
|
||||
"recognized as replication type.") %
|
||||
@ -4576,20 +4649,29 @@ class HPE3PARCommon(object):
|
||||
def _delete_vvset(self, volume):
|
||||
|
||||
# volume is part of a volume set.
|
||||
LOG.debug("_delete_vvset. vol_id: %(id)s", {'id': volume['id']})
|
||||
volume_name = self._get_3par_vol_name(volume)
|
||||
vvset_name = self.client.findVolumeSet(volume_name)
|
||||
LOG.debug("Returned vvset_name = %s", vvset_name)
|
||||
if vvset_name is not None:
|
||||
if vvset_name.startswith('vvs-'):
|
||||
vvset_name = self._get_3par_vvs_name(volume['id'])
|
||||
|
||||
try:
|
||||
# find vvset
|
||||
self.client.getVolumeSet(vvset_name)
|
||||
|
||||
# (a) vvset is found:
|
||||
# We have a single volume per volume set, so
|
||||
# remove the volume set.
|
||||
self.client.deleteVolumeSet(
|
||||
self._get_3par_vvs_name(volume['id']))
|
||||
else:
|
||||
# We have a pre-defined volume set just remove the
|
||||
# volume and leave the volume set.
|
||||
self.client.removeVolumeFromVolumeSet(vvset_name,
|
||||
volume_name)
|
||||
LOG.debug("Deleting vvset: %(name)s", {'name': vvset_name})
|
||||
self.client.deleteVolumeSet(vvset_name)
|
||||
|
||||
except hpeexceptions.HTTPNotFound:
|
||||
# (b) vvset not found:
|
||||
# - find the vvset name from volume name
|
||||
# - remove the volume and leave the vvset
|
||||
vvset_name = self.client.findVolumeSet(volume_name)
|
||||
|
||||
LOG.debug("Removing vol %(volume_name)s from vvset %(vvset_name)s",
|
||||
{'volume_name': volume_name, 'vvset_name': vvset_name})
|
||||
self.client.removeVolumeFromVolumeSet(vvset_name, volume_name)
|
||||
|
||||
def _get_3par_rcg_name_of_group(self, group_id):
|
||||
rcg_name = self._encode_name(group_id)
|
||||
|
||||
@ -0,0 +1,7 @@
|
||||
---
|
||||
fixes:
|
||||
- |
|
||||
HPE 3PAR driver `Bug #2026718 <https://bugs.launchpad.net/cinder/+bug/2026718>`_:
|
||||
Fixed: With this patch, added logic to fetch correct volume name on 3par
|
||||
(osv_name), rcg_name and vvset_name (for particular scenarios);
|
||||
so that volumes can be identified and deleted from 3par.
|
||||
Loading…
Reference in New Issue
Block a user