openstack/cinder
Code Issues Proposed changes

Merge "VMAX driver - Pre-zoned port group fix"

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This commit is contained in:
Jenkins 2017-04-30 04:39:51 +00:00 committed by Gerrit Code Review
commit f1dfad4618
5 changed files with 81 additions and 172 deletions
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140
cinder/tests/unit/volume/drivers/dell_emc/test_vmax.py
View File

@ -297,6 +297,10 @@ class VMAXCommonData(object):
'SYMMETRIX+000195900551+OS-fakehost-gold-I-MV')
lunmaskctrl_name = (
'OS-fakehost-gold-I-MV')
mv_instance_name = {
'CreationClassName': 'Symm_LunMaskingView',
'ElementName': 'OS-fakehost-SRP_1-Bronze-DSS-I-Mv',
'SystemName': 'SYMMETRIX+000195900551'}
rdf_group = 'test_rdf'
srdf_group_instance = (
@ -4473,6 +4477,10 @@ class VMAXISCSIDriverFastTestCase(test.TestCase):
self.data.test_volume,
self.data.connector)
@mock.patch.object(
common.VMAXCommon,
'get_target_wwns_from_masking_view',
return_value=[{'Name': '5000090000000000'}])
@mock.patch.object(
masking.VMAXMasking,
'get_initiator_group_from_masking_view',
@ -4491,7 +4499,7 @@ class VMAXISCSIDriverFastTestCase(test.TestCase):
return_value={'volume_backend_name': 'ISCSIFAST'})
def test_detach_fast_success(
self, mock_volume_type, mock_storage_group,
mock_ig, mock_igc):
mock_ig, mock_igc, mock_tw):
self.driver.terminate_connection(
self.data.test_volume, self.data.connector)
@ -5661,15 +5669,16 @@ class VMAXFCDriverFastTestCase(test.TestCase):
def test_map_fast_success(self, _mock_volume_type, mock_maskingview,
mock_is_same_host):
common = self.driver.common
common.get_target_wwns = mock.Mock(
common.get_target_wwns_list = mock.Mock(
return_value=VMAXCommonData.target_wwns)
self.driver.common._get_correct_port_group = mock.Mock(
return_value=self.data.port_group)
data = self.driver.initialize_connection(
self.data.test_volume, self.data.connector)
# Test the no lookup service, pre-zoned case.
common.get_target_wwns.assert_called_once_with(
VMAXCommonData.storage_system, VMAXCommonData.connector)
common.get_target_wwns_list.assert_called_once_with(
VMAXCommonData.storage_system, self.data.test_volume,
VMAXCommonData.connector)
for init, target in data['data']['initiator_target_map'].items():
self.assertIn(init[::-1], target)
@ -5716,12 +5725,13 @@ class VMAXFCDriverFastTestCase(test.TestCase):
def test_detach_fast_success(self, mock_volume_type, mock_maskingview,
mock_ig, mock_igc, mock_mv, mock_check_ig):
common = self.driver.common
common.get_target_wwns = mock.Mock(
common.get_target_wwns_list = mock.Mock(
return_value=VMAXCommonData.target_wwns)
data = self.driver.terminate_connection(self.data.test_volume,
self.data.connector)
common.get_target_wwns.assert_called_once_with(
VMAXCommonData.storage_system, VMAXCommonData.connector)
common.get_target_wwns_list.assert_called_once_with(
VMAXCommonData.storage_system, self.data.test_volume,
VMAXCommonData.connector)
numTargetWwns = len(VMAXCommonData.target_wwns)
self.assertEqual(numTargetWwns, len(data['data']))
@ -6725,7 +6735,7 @@ class EMCV3DriverTestCase(test.TestCase):
self, _mock_volume_type, mock_maskingview, mock_is_same_host,
mock_element_name):
common = self.driver.common
common.get_target_wwns = mock.Mock(
common.get_target_wwns_list = mock.Mock(
return_value=VMAXCommonData.target_wwns)
self.driver.common._initial_setup = mock.Mock(
return_value=self.default_extraspec())
@ -6734,8 +6744,9 @@ class EMCV3DriverTestCase(test.TestCase):
data = self.driver.initialize_connection(
self.data.test_volume_v3, self.data.connector)
# Test the no lookup service, pre-zoned case.
common.get_target_wwns.assert_called_once_with(
VMAXCommonData.storage_system, VMAXCommonData.connector)
common.get_target_wwns_list.assert_called_once_with(
VMAXCommonData.storage_system, self.data.test_volume_v3,
VMAXCommonData.connector)
for init, target in data['data']['initiator_target_map'].items():
self.assertIn(init[::-1], target)
@ -6755,6 +6766,10 @@ class EMCV3DriverTestCase(test.TestCase):
self.data.test_volume,
self.data.connector)
@mock.patch.object(
masking.VMAXMasking,
'get_port_group_from_masking_view',
return_value='myPortGroup')
@mock.patch.object(
masking.VMAXMasking,
'remove_and_reset_members')
@ -6781,23 +6796,25 @@ class EMCV3DriverTestCase(test.TestCase):
@mock.patch.object(
masking.VMAXMasking,
'get_masking_view_from_storage_group',
return_value=VMAXCommonData.lunmaskctrl_name)
return_value=[VMAXCommonData.mv_instance_name])
@mock.patch.object(
volume_types,
'get_volume_type_extra_specs',
return_value={'volume_backend_name': 'V3_BE'})
def test_detach_v3_success(self, mock_volume_type, mock_maskingview,
mock_ig, mock_igc, mock_mv, mock_check_ig,
mock_element_name, mock_remove):
mock_element_name, mock_remove, mock_pg):
common = self.driver.common
with mock.patch.object(common, 'get_target_wwns',
with mock.patch.object(common, 'get_target_wwns_list',
return_value=VMAXCommonData.target_wwns):
with mock.patch.object(common, '_initial_setup',
return_value=self.default_extraspec()):
data = self.driver.terminate_connection(
self.data.test_volume_v3, self.data.connector)
common.get_target_wwns.assert_called_once_with(
VMAXCommonData.storage_system, VMAXCommonData.connector)
common.get_target_wwns_list.assert_called_once_with(
VMAXCommonData.storage_system,
self.data.test_volume_v3,
VMAXCommonData.connector)
numTargetWwns = len(VMAXCommonData.target_wwns)
self.assertEqual(numTargetWwns, len(data['data']))
@ -8333,7 +8350,7 @@ class VMAXFCTest(test.TestCase):
return_value='testMV')
common.get_masking_views_by_port_group = mock.Mock(
return_value=[])
common.get_target_wwns = mock.Mock(
common.get_target_wwns_list = mock.Mock(
return_value=VMAXCommonData.target_wwns)
initiatorGroupInstanceName = (
self.driver.common.masking._get_initiator_group_from_masking_view(
@ -8344,8 +8361,9 @@ class VMAXFCTest(test.TestCase):
return_value=initiatorGroupInstanceName):
data = self.driver.terminate_connection(self.data.test_volume_v3,
self.data.connector)
common.get_target_wwns.assert_called_once_with(
VMAXCommonData.storage_system, VMAXCommonData.connector)
common.get_target_wwns_list.assert_called_once_with(
VMAXCommonData.storage_system, self.data.test_volume_v3,
VMAXCommonData.connector)
numTargetWwns = len(VMAXCommonData.target_wwns)
self.assertEqual(numTargetWwns, len(data['data']))
@ -8355,7 +8373,7 @@ class VMAXFCTest(test.TestCase):
return_value=None)
@mock.patch.object(
common.VMAXCommon,
'get_target_wwns',
'get_target_wwns_list',
return_value=VMAXCommonData.target_wwns)
@mock.patch.object(
common.VMAXCommon,
@ -8375,8 +8393,9 @@ class VMAXFCTest(test.TestCase):
common.conn = FakeEcomConnection()
data = self.driver.terminate_connection(self.data.test_volume_v3,
self.data.connector)
common.get_target_wwns.assert_called_once_with(
VMAXCommonData.storage_system, VMAXCommonData.connector)
common.get_target_wwns_list.assert_called_once_with(
VMAXCommonData.storage_system, self.data.test_volume_v3,
VMAXCommonData.connector)
numTargetWwns = len(VMAXCommonData.target_wwns)
self.assertEqual(numTargetWwns, len(data['data']))
@ -8544,30 +8563,6 @@ class VMAXUtilsTest(test.TestCase):
self.driver = driver
self.driver.utils = utils.VMAXUtils(object)
def test_get_target_endpoints(self):
conn = FakeEcomConnection()
hardwareid = 123456789012345
result = self.driver.utils.get_target_endpoints(conn, hardwareid)
self.assertEqual(
([{'Name': '5000090000000000'}]), result)
def test_get_protocol_controller(self):
conn = FakeEcomConnection()
hardwareid = 123456789012345
result = self.driver.utils.get_protocol_controller(conn, hardwareid)
self.assertEqual(
({'CreationClassName': 'Symm_LunMaskingView',
'ElementName': 'OS-fakehost-gold-I-MV'}), result)
def test_get_protocol_controller_exception(self):
conn = FakeEcomConnection()
conn.AssociatorNames = mock.Mock(return_value=[])
hardwareid = 123456789012345
self.assertRaises(
exception.VolumeBackendAPIException,
self.driver.utils.get_protocol_controller,
conn, hardwareid)
def test_set_target_element_supplier_in_rsd(self):
conn = FakeEcomConnection()
extraSpecs = self.data.extra_specs
@ -8832,57 +8827,30 @@ class VMAXCommonTest(test.TestCase):
sourceInstance, cloneName, extraSpecs)
self.assertIsNotNone(duplicateVolumeInstance)
def test_get_target_wwn(self):
@mock.patch.object(
common.VMAXCommon,
'get_target_wwns_from_masking_view',
return_value=["5000090000000000"])
def test_get_target_wwn_list(self, mock_tw):
common = self.driver.common
common.conn = FakeEcomConnection()
targetWwns = common.get_target_wwns(
VMAXCommonData.storage_system, VMAXCommonData.connector)
targetWwns = common.get_target_wwns_list(
VMAXCommonData.storage_system,
VMAXCommonData.test_volume_v3, VMAXCommonData.connector)
self.assertListEqual(["5000090000000000"], targetWwns)
@mock.patch.object(
utils.VMAXUtils,
'get_target_endpoints',
return_value=None)
def test_get_target_wwn_all_invalid(self, mock_target_ep):
common.VMAXCommon,
'get_target_wwns_from_masking_view',
return_value=[])
def test_get_target_wwn_list_empty(self, mock_tw):
common = self.driver.common
common.conn = FakeEcomConnection()
self.assertRaises(
exception.VolumeBackendAPIException,
common.get_target_wwns, VMAXCommonData.storage_system,
VMAXCommonData.connector)
def test_get_target_wwn_one_invalid(self):
common = self.driver.common
common.conn = FakeEcomConnection()
targetEndpoints = [{'CreationClassName': 'EMC_FCSCSIProtocolEndpoint',
'Name': '5000090000000000'}]
hardwareInstanceNames = (
[{'CreationClassName': 'EMC_StorageHardwareID'}] * 3)
e = exception.VolumeBackendAPIException('Get target endpoint ex')
with mock.patch.object(common, '_find_storage_hardwareids',
return_value=hardwareInstanceNames):
with mock.patch.object(common.utils, 'get_target_endpoints',
side_effect=[e, None, targetEndpoints]):
targetWwns = common.get_target_wwns(
VMAXCommonData.storage_system,
VMAXCommonData.connector)
self.assertListEqual(["5000090000000000"], targetWwns)
def test_get_target_wwn_all_invalid_endpoints(self):
common = self.driver.common
common.conn = FakeEcomConnection()
hardwareInstanceNames = (
[{'CreationClassName': 'EMC_StorageHardwareID'}] * 3)
e = exception.VolumeBackendAPIException('Get target endpoint ex')
with mock.patch.object(common, '_find_storage_hardwareids',
return_value=hardwareInstanceNames):
with mock.patch.object(common.utils, 'get_target_endpoints',
side_effect=[e, None, None]):
self.assertRaises(
exception.VolumeBackendAPIException,
common.get_target_wwns, VMAXCommonData.storage_system,
VMAXCommonData.connector)
common.get_target_wwns_list, VMAXCommonData.storage_system,
VMAXCommonData.test_volume_v3, VMAXCommonData.connector)
def test_cleanup_target(self):
common = self.driver.common

59
cinder/volume/drivers/dell_emc/vmax/common.py
View File

@ -2008,59 +2008,32 @@ class VMAXCommon(object):
LOG.debug("Device info: %(data)s.", {'data': data})
return data, isLiveMigration, source_data
def get_target_wwns(self, storageSystem, connector):
"""Find target WWNs.
def get_target_wwns_list(self, storage_system, volume, connector):
"""Find target WWN list.
:param storageSystem: the storage system name
:param connector: the connector dict
:returns: list -- targetWwns, the target WWN list
:raises VolumeBackendAPIException:
:raises: VolumeBackendAPIException
"""
targetWwns = set()
try:
fc_targets = self.get_target_wwns_from_masking_view(
storage_system, volume, connector)
except Exception:
exception_message = _("Unable to get fc targets.")
raise exception.VolumeBackendAPIException(
data=exception_message)
storageHardwareService = self.utils.find_storage_hardwareid_service(
self.conn, storageSystem)
hardwareIdInstances = self._find_storage_hardwareids(
connector, storageHardwareService)
LOG.debug(
"EMCGetTargetEndpoints: Service: %(service)s, "
"Storage HardwareIDs: %(hardwareIds)s.",
{'service': storageHardwareService,
'hardwareIds': hardwareIdInstances})
for hardwareIdInstance in hardwareIdInstances:
LOG.debug("HardwareID instance is: %(hardwareIdInstance)s.",
{'hardwareIdInstance': hardwareIdInstance})
try:
targetEndpoints = (
self.utils.get_target_endpoints(
self.conn, hardwareIdInstance))
if not targetEndpoints:
LOG.warning(
"Unable to get target endpoints for hardwareId "
"%(instance)s.",
{'instance': hardwareIdInstance})
continue
except Exception:
LOG.warning(
"Unable to get target endpoints for hardwareId "
"%(instance)s.",
{'instance': hardwareIdInstance}, exc_info=True)
continue
LOG.debug("There are %(len)lu endpoints.",
{'len': len(targetEndpoints)})
for targetendpoint in targetEndpoints:
wwn = targetendpoint['Name']
# Add target wwn to the list if it is not already there.
targetWwns.add(wwn)
break
LOG.debug("There are %(len)lu endpoints.", {'len': len(fc_targets)})
for fc_target in fc_targets:
wwn = fc_target
# Add target wwn to the list if it is not already there.
targetWwns.add(wwn)
if not targetWwns:
exception_message = (_(
"Unable to get target endpoints for any hardwareIds."))
"Unable to get target endpoints."))
raise exception.VolumeBackendAPIException(data=exception_message)
LOG.debug("Target WWNs: %(targetWwns)s.",

5
cinder/volume/drivers/dell_emc/vmax/fc.py
View File

@ -76,7 +76,6 @@ class VMAXFCDriver(driver.FibreChannelDriver):
- Support for compression on All Flash
- Volume replication 2.1 (bp add-vmax-replication)
- rename and restructure driver (bp vmax-rename-dell-emc)
"""
VERSION = "2.5.0"
@ -357,8 +356,8 @@ class VMAXFCDriver(driver.FibreChannelDriver):
for initiator in map_d['initiator_port_wwn_list']:
init_targ_map[initiator] = map_d['target_port_wwn_list']
else: # No lookup service, pre-zoned case.
target_wwns = self.common.get_target_wwns(storage_system,
connector)
target_wwns = self.common.get_target_wwns_list(
storage_system, volume, connector)
for initiator in initiator_wwns:
init_targ_map[initiator] = target_wwns

9
cinder/volume/drivers/dell_emc/vmax/masking.py
View File

@ -2497,6 +2497,15 @@ class VMAXMasking(object):
conn, sgInstanceName)
# Get initiator group from masking view.
for mvInstanceName in mvInstanceNames:
host = self.utils.get_host_short_name(connector['host'])
mvInstance = conn.GetInstance(mvInstanceName)
if host not in mvInstance['ElementName']:
LOG.info(
"Check 1: Connector host %(connHost)s "
"does not match mv host %(mvHost)s. Skipping...",
{'connHost': host,
'mvHost': mvInstance['ElementName']})
continue
LOG.debug("Found masking view associated with SG "
"%(storageGroup)s: %(maskingview)s",
{'maskingview': mvInstanceName,

40
cinder/volume/drivers/dell_emc/vmax/utils.py
View File

@ -2348,46 +2348,6 @@ class VMAXUtils(object):
foundIpAddress = cimProperties.value
return foundIpAddress
def get_target_endpoints(self, conn, hardwareId):
"""Given the hardwareId get the target endpoints.
:param conn: the connection to the ecom server
:param hardwareId: the hardware Id
:returns: targetEndpoints
:raises: VolumeBackendAPIException
"""
protocolControllerInstanceName = self.get_protocol_controller(
conn, hardwareId)
targetEndpoints = conn.AssociatorNames(
protocolControllerInstanceName,
ResultClass='EMC_FCSCSIProtocolEndpoint')
return targetEndpoints
def get_protocol_controller(self, conn, hardwareinstancename):
"""Get the front end protocol endpoints of a hardware instance
:param conn: the ecom connection
:param hardwareinstancename: the hardware instance name
:returns: protocolControllerInstanceName
:raises: VolumeBackendAPIException
"""
protocolControllerInstanceName = None
protocol_controllers = conn.AssociatorNames(
hardwareinstancename,
ResultClass='EMC_FrontEndSCSIProtocolController')
if len(protocol_controllers) > 0:
protocolControllerInstanceName = protocol_controllers[0]
if protocolControllerInstanceName is None:
exceptionMessage = (_(
"Unable to get target endpoints for hardwareId "
"%(hardwareIdInstance)s.")
% {'hardwareIdInstance': hardwareinstancename})
LOG.error(exceptionMessage)
raise exception.VolumeBackendAPIException(data=exceptionMessage)
return protocolControllerInstanceName
def get_replication_setting_data(self, conn, repServiceInstanceName,
replication_type, extraSpecs):
"""Get the replication setting data