cinder/cinder/tests/unit/volume/drivers/dell_emc/unity/test_adapter.py

1871 lines
79 KiB
Python

# Copyright (c) 2016 - 2018 Dell Inc. or its subsidiaries.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import contextlib
import functools
from unittest import mock
import ddt
from oslo_utils import units
from cinder import exception
from cinder.tests.unit import test
from cinder.tests.unit.volume.drivers.dell_emc.unity \
import fake_enum as enums
from cinder.tests.unit.volume.drivers.dell_emc.unity \
import fake_exception as ex
from cinder.tests.unit.volume.drivers.dell_emc.unity import test_client
from cinder.volume.drivers.dell_emc.unity import adapter
from cinder.volume.drivers.dell_emc.unity import client
from cinder.volume.drivers.dell_emc.unity import replication
########################
#
# Start of Mocks
#
########################
class MockConfig(object):
def __init__(self):
self.config_group = 'test_backend'
self.unity_storage_pool_names = ['pool1', 'pool2']
self.unity_io_ports = None
self.reserved_percentage = 5
self.max_over_subscription_ratio = 300
self.volume_backend_name = 'backend'
self.san_ip = '1.2.3.4'
self.san_login = 'user'
self.san_password = 'pass'
self.driver_ssl_cert_verify = True
self.driver_ssl_cert_path = None
self.remove_empty_host = False
def safe_get(self, name):
return getattr(self, name)
class MockConnector(object):
@staticmethod
def disconnect_volume(data, device):
pass
class MockDriver(object):
def __init__(self):
self.configuration = mock.Mock(volume_dd_blocksize='1M')
self.replication_manager = MockReplicationManager()
self.protocol = 'iSCSI'
@staticmethod
def _connect_device(conn):
return {'connector': MockConnector(),
'device': {'path': 'dev'},
'conn': {'data': {}}}
def get_version(self):
return '1.0.0'
class MockReplicationManager(object):
def __init__(self):
self.is_replication_configured = False
self.replication_devices = {}
self.active_backend_id = None
self.is_service_failed_over = None
self.default_device = None
self.active_adapter = None
def failover_service(self, backend_id):
if backend_id == 'default':
self.is_service_failed_over = False
elif backend_id == 'secondary_unity':
self.is_service_failed_over = True
else:
raise exception.VolumeBackendAPIException()
class MockClient(object):
def __init__(self):
self._system = test_client.MockSystem()
self.host = '10.10.10.10' # fake unity IP
@staticmethod
def get_pools():
return test_client.MockResourceList(['pool0', 'pool1'])
@staticmethod
def create_lun(name, size, pool, description=None, io_limit_policy=None,
is_thin=None, is_compressed=None, tiering_policy=None):
lun_id = name
if is_thin is not None and not is_thin:
lun_id += '_thick'
if tiering_policy:
if tiering_policy is enums.TieringPolicyEnum.AUTOTIER:
lun_id += '_auto'
elif tiering_policy is enums.TieringPolicyEnum.LOWEST:
lun_id += '_low'
return test_client.MockResource(_id=lun_id, name=name)
@staticmethod
def lun_has_snapshot(lun):
return lun.name == 'volume_has_snapshot'
@staticmethod
def get_lun(name=None, lun_id=None):
if lun_id is None:
lun_id = 'lun_4'
if lun_id in ('lun_43',): # for thin clone cases
return test_client.MockResource(_id=lun_id, name=name)
if name == 'not_exists':
ret = test_client.MockResource(name=lun_id)
ret.existed = False
else:
if name is None:
name = lun_id
ret = test_client.MockResource(_id=lun_id, name=name)
return ret
@staticmethod
def delete_lun(lun_id):
if lun_id != 'lun_4':
raise ex.UnexpectedLunDeletion()
@staticmethod
def get_serial():
return 'CLIENT_SERIAL'
@staticmethod
def create_snap(src_lun_id, name=None):
if src_lun_id in ('lun_53', 'lun_55'): # for thin clone cases
return test_client.MockResource(
_id='snap_clone_{}'.format(src_lun_id))
return test_client.MockResource(name=name, _id=src_lun_id)
@staticmethod
def get_snap(name=None):
if name in ('snap_50',): # for thin clone cases
return name
snap = test_client.MockResource(name=name, _id=name)
if name is not None:
ret = snap
else:
ret = [snap]
return ret
@staticmethod
def delete_snap(snap):
if snap.name in ('abc-def_snap',):
raise ex.SnapDeleteIsCalled()
@staticmethod
def create_host(name):
return test_client.MockResource(name=name)
@staticmethod
def create_host_wo_lock(name):
return test_client.MockResource(name=name)
@staticmethod
def delete_host_wo_lock(host):
if host.name == 'empty-host':
raise ex.HostDeleteIsCalled()
@staticmethod
def attach(host, lun_or_snap):
return 10
@staticmethod
def detach(host, lun_or_snap):
error_ids = ['lun_43', 'snap_0']
if host.name == 'host1' and lun_or_snap.get_id() in error_ids:
raise ex.DetachIsCalled()
@staticmethod
def detach_all(lun):
error_ids = ['lun_44']
if lun.get_id() in error_ids:
raise ex.DetachAllIsCalled()
@staticmethod
def get_iscsi_target_info(allowed_ports=None):
return [{'portal': '1.2.3.4:1234', 'iqn': 'iqn.1-1.com.e:c.a.a0'},
{'portal': '1.2.3.5:1234', 'iqn': 'iqn.1-1.com.e:c.a.a1'}]
@staticmethod
def get_fc_target_info(host=None, logged_in_only=False,
allowed_ports=None):
if host and host.name == 'no_target':
ret = []
else:
ret = ['8899AABBCCDDEEFF', '8899AABBCCDDFFEE']
return ret
@staticmethod
def create_lookup_service():
return {}
@staticmethod
def get_io_limit_policy(specs):
mock_io_policy = (test_client.MockResource(name=specs.get('id'))
if specs else None)
return mock_io_policy
@staticmethod
def extend_lun(lun_id, size_gib):
if size_gib <= 0:
raise ex.ExtendLunError
@staticmethod
def get_fc_ports():
return test_client.MockResourceList(ids=['spa_iom_0_fc0',
'spa_iom_0_fc1'])
@staticmethod
def get_ethernet_ports():
return test_client.MockResourceList(ids=['spa_eth0', 'spb_eth0'])
@staticmethod
def thin_clone(obj, name, io_limit_policy, description, new_size_gb):
if (obj.name, name) in (
('snap_61', 'lun_60'), ('lun_63', 'lun_60')):
return test_client.MockResource(_id=name)
elif (obj.name, name) in (('snap_71', 'lun_70'), ('lun_72', 'lun_70')):
raise ex.UnityThinCloneNotAllowedError()
else:
raise ex.UnityThinCloneLimitExceededError
@staticmethod
def update_host_initiators(host, wwns):
return None
@property
def system(self):
return self._system
def restore_snapshot(self, snap_name):
return test_client.MockResource(name="back_snap")
def get_pool_id_by_name(self, name):
pools = {'PoolA': 'pool_1',
'PoolB': 'pool_2',
'PoolC': 'pool_3'}
return pools.get(name, None)
def migrate_lun(self, lun_id, dest_pool_id, provision=None):
if dest_pool_id == 'pool_2':
return True
if dest_pool_id == 'pool_3':
return False
def get_remote_system(self, name=None):
if name == 'not-found-remote-system':
return None
return test_client.MockResource(_id='RS_1')
def get_replication_session(self, name=None):
if name == 'not-found-rep-session':
raise client.ClientReplicationError()
rep_session = test_client.MockResource(_id='rep_session_id_1')
rep_session.name = name
rep_session.src_resource_id = 'sv_1'
rep_session.dst_resource_id = 'sv_99'
return rep_session
def create_replication(self, src_lun, max_time_out_of_sync,
dst_pool_id, remote_system):
if (src_lun.get_id() == 'sv_1' and max_time_out_of_sync == 60
and dst_pool_id == 'pool_1'
and remote_system.get_id() == 'RS_1'):
rep_session = test_client.MockResource(_id='rep_session_id_1')
rep_session.name = 'rep_session_name_1'
return rep_session
return None
def failover_replication(self, rep_session):
if rep_session.name != 'rep_session_name_1':
raise client.ClientReplicationError()
def failback_replication(self, rep_session):
if rep_session.name != 'rep_session_name_1':
raise client.ClientReplicationError()
def is_cg_replicated(self, cg_id):
return cg_id and 'is_replicated' in cg_id
def get_cg(self, name):
return test_client.MockResource(_id=name)
def create_cg_replication(self, group_id, pool_id, remote_system,
max_time):
if group_id and 'error' in group_id:
raise Exception('has issue when creating cg replication session.')
def delete_cg_rep_session(self, group_id):
if group_id and 'error' in group_id:
raise Exception('has issue when deleting cg replication session.')
def failover_cg_rep_session(self, group_id, need_sync):
if group_id and 'error' in group_id:
raise Exception('has issue when failover cg replication session.')
def failback_cg_rep_session(self, group_id):
if group_id and 'error' in group_id:
raise Exception('has issue when failback cg replication session.')
class MockLookupService(object):
@staticmethod
def get_device_mapping_from_network(initiator_wwns, target_wwns):
return {
'san_1': {
'initiator_port_wwn_list':
('200000051e55a100', '200000051e55a121'),
'target_port_wwn_list':
('100000051e55a100', '100000051e55a121')
}
}
class MockOSResource(mock.Mock):
def __init__(self, *args, **kwargs):
super(MockOSResource, self).__init__(*args, **kwargs)
if 'name' in kwargs:
self.name = kwargs['name']
self.kwargs = kwargs
def __getitem__(self, key):
return self.kwargs[key]
def mock_replication_device(device_conf=None, serial_number=None,
max_time_out_of_sync=None,
destination_pool_id=None):
if device_conf is None:
device_conf = {
'backend_id': 'secondary_unity',
'san_ip': '2.2.2.2'
}
if serial_number is None:
serial_number = 'SECONDARY_UNITY_SN'
if max_time_out_of_sync is None:
max_time_out_of_sync = 60
if destination_pool_id is None:
destination_pool_id = 'pool_1'
rep_device = replication.ReplicationDevice(device_conf, MockDriver())
rep_device._adapter = mock_adapter(adapter.CommonAdapter)
rep_device._adapter._serial_number = serial_number
rep_device.max_time_out_of_sync = max_time_out_of_sync
rep_device._dst_pool = test_client.MockResource(_id=destination_pool_id)
return rep_device
def mock_adapter(driver_clz):
ret = driver_clz()
ret._client = MockClient()
with mock.patch('cinder.volume.drivers.dell_emc.unity.adapter.'
'CommonAdapter.validate_ports'), patch_storops():
ret.do_setup(MockDriver(), MockConfig())
ret.lookup_service = MockLookupService()
return ret
def get_backend_qos_specs(volume):
return None
def get_connector_properties():
return {'host': 'host1', 'wwpns': 'abcdefg'}
def get_lun_pl(name):
return 'id^%s|system^CLIENT_SERIAL|type^lun|version^None' % name
def get_snap_lun_pl(name):
return 'id^%s|system^CLIENT_SERIAL|type^snap_lun|version^None' % name
def get_snap_pl(name):
return 'id^%s|system^CLIENT_SERIAL|type^snapshot|version^None' % name
def get_connector_uids(adapter, connector):
return []
def get_connection_info(adapter, hlu, host, connector):
return {}
def get_volume_type_qos_specs(qos_id):
if qos_id == 'qos':
return {'qos_specs': {'id': u'qos_type_id_1',
'consumer': u'back-end',
u'maxBWS': u'102400',
u'maxIOPS': u'500'}}
if qos_id == 'qos_2':
return {'qos_specs': {'id': u'qos_type_id_2',
'consumer': u'back-end',
u'maxBWS': u'102402',
u'maxIOPS': u'502'}}
return {'qos_specs': {}}
def get_volume_type_extra_specs(type_id):
if type_id == 'thick':
return {'provisioning:type': 'thick',
'thick_provisioning_support': '<is> True'}
if type_id == 'tier_auto':
return {'storagetype:tiering': 'Auto',
'fast_support': '<is> True'}
if type_id == 'tier_lowest':
return {'storagetype:tiering': 'LowestAvailable',
'fast_support': '<is> True'}
if type_id == 'compressed':
return {'provisioning:type': 'compressed',
'compression_support': '<is> True'}
return {}
def get_group_type_specs(group_type_id):
if group_type_id == '':
return {'consistent_group_snapshot_enabled': '<is> True',
'group_type_id': group_type_id}
return {}
def group_is_cg(group):
return group.id != 'not_cg'
def patch_for_unity_adapter(func):
@functools.wraps(func)
@mock.patch('cinder.volume.volume_types.get_volume_type_extra_specs',
new=get_volume_type_extra_specs)
@mock.patch('cinder.volume.group_types.get_group_type_specs',
new=get_group_type_specs)
@mock.patch('cinder.volume.volume_types.get_volume_type_qos_specs',
new=get_volume_type_qos_specs)
@mock.patch('cinder.volume.drivers.dell_emc.unity.utils.'
'get_backend_qos_specs',
new=get_backend_qos_specs)
@mock.patch('cinder.volume.drivers.dell_emc.unity.utils.'
'group_is_cg',
new=group_is_cg)
@mock.patch('cinder.volume.volume_utils.brick_get_connector_properties',
new=get_connector_properties)
def func_wrapper(*args, **kwargs):
return func(*args, **kwargs)
return func_wrapper
def patch_for_concrete_adapter(clz_str):
def inner_decorator(func):
@functools.wraps(func)
@mock.patch('%s.get_connector_uids' % clz_str,
new=get_connector_uids)
@mock.patch('%s.get_connection_info' % clz_str,
new=get_connection_info)
def func_wrapper(*args, **kwargs):
return func(*args, **kwargs)
return func_wrapper
return inner_decorator
patch_for_iscsi_adapter = patch_for_concrete_adapter(
'cinder.volume.drivers.dell_emc.unity.adapter.ISCSIAdapter')
patch_for_fc_adapter = patch_for_concrete_adapter(
'cinder.volume.drivers.dell_emc.unity.adapter.FCAdapter')
@contextlib.contextmanager
def patch_thin_clone(cloned_lun):
with mock.patch.object(adapter.CommonAdapter, '_thin_clone') as tc:
tc.return_value = cloned_lun
yield tc
@contextlib.contextmanager
def patch_dd_copy(copied_lun):
with mock.patch.object(adapter.CommonAdapter, '_dd_copy') as dd:
dd.return_value = copied_lun
yield dd
@contextlib.contextmanager
def patch_copy_volume():
with mock.patch('cinder.volume.volume_utils.copy_volume') as mocked:
yield mocked
@contextlib.contextmanager
def patch_storops():
with mock.patch.object(adapter, 'storops') as storops:
storops.ThinCloneActionEnum = mock.Mock(DD_COPY='DD_COPY')
yield storops
class IdMatcher(object):
def __init__(self, obj):
self._obj = obj
def __eq__(self, other):
return self._obj._id == other._id
########################
#
# Start of Tests
#
########################
@ddt.ddt
@mock.patch.object(adapter, 'storops_ex', new=ex)
@mock.patch.object(adapter, 'enums', new=enums)
@mock.patch.object(adapter.volume_utils, 'is_group_a_cg_snapshot_type',
new=lambda x: True)
class CommonAdapterTest(test.TestCase):
def setUp(self):
super(CommonAdapterTest, self).setUp()
self.adapter = mock_adapter(adapter.CommonAdapter)
def test_get_managed_pools(self):
ret = self.adapter.get_managed_pools()
self.assertIn('pool1', ret)
self.assertNotIn('pool0', ret)
self.assertNotIn('pool2', ret)
@patch_for_unity_adapter
def test_create_volume(self):
volume = MockOSResource(name='lun_3', size=5, host='unity#pool1',
group=None)
ret = self.adapter.create_volume(volume)
expected = get_lun_pl('lun_3')
self.assertEqual(expected, ret['provider_location'])
@patch_for_unity_adapter
def test_create_volume_thick(self):
volume = MockOSResource(name='lun_3', size=5, host='unity#pool1',
group=None, volume_type_id='thick')
ret = self.adapter.create_volume(volume)
expected = get_lun_pl('lun_3_thick')
self.assertEqual(expected, ret['provider_location'])
@patch_for_unity_adapter
def test_create_compressed_volume(self):
volume_type = MockOSResource(
extra_specs={'compression_support': '<is> True'})
volume = MockOSResource(name='lun_3', size=5, host='unity#pool1',
group=None, volume_type=volume_type)
ret = self.adapter.create_volume(volume)
expected = get_lun_pl('lun_3')
self.assertEqual(expected, ret['provider_location'])
@patch_for_unity_adapter
def test_create_auto_tiering_volume(self):
volume = MockOSResource(name='lun_3', size=5, host='unity#pool1',
group=None, volume_type_id='tier_auto')
ret = self.adapter.create_volume(volume)
expected = get_lun_pl('lun_3_auto')
self.assertEqual(expected, ret['provider_location'])
@patch_for_unity_adapter
def test_create_lowest_tiering_volume(self):
volume = MockOSResource(name='lun_3', size=5, host='unity#pool1',
group=None, volume_type_id='tier_lowest')
ret = self.adapter.create_volume(volume)
expected = get_lun_pl('lun_3_low')
self.assertEqual(expected, ret['provider_location'])
def test_create_snapshot(self):
volume = MockOSResource(provider_location='id^lun_43')
snap = MockOSResource(volume=volume, name='abc-def_snap')
result = self.adapter.create_snapshot(snap)
self.assertEqual(get_snap_pl('lun_43'), result['provider_location'])
self.assertEqual('lun_43', result['provider_id'])
def test_delete_snap(self):
def f():
snap = MockOSResource(name='abc-def_snap')
self.adapter.delete_snapshot(snap)
self.assertRaises(ex.SnapDeleteIsCalled, f)
def test_get_lun_id_has_location(self):
volume = MockOSResource(provider_location='id^lun_43')
self.assertEqual('lun_43', self.adapter.get_lun_id(volume))
def test_get_lun_id_no_location(self):
volume = MockOSResource(provider_location=None)
self.assertEqual('lun_4', self.adapter.get_lun_id(volume))
def test_delete_volume(self):
volume = MockOSResource(provider_location='id^lun_4')
self.adapter.delete_volume(volume)
@patch_for_unity_adapter
def test_retype_volume_has_snapshot(self):
volume = MockOSResource(name='volume_has_snapshot', size=5,
host='HostA@BackendB#PoolB')
ctxt = None
diff = None
new_type = {'name': u'type01', 'id': 'compressed'}
host = {'host': 'HostA@BackendB#PoolB'}
result = self.adapter.retype(ctxt, volume, new_type, diff, host)
self.assertFalse(result)
@patch_for_unity_adapter
def test_retype_volume_thick_to_compressed(self):
volume = MockOSResource(name='thick_volume', size=5,
host='HostA@BackendB#PoolA',
provider_location='id^lun_33')
ctxt = None
diff = None
new_type = {'name': u'compressed_type', 'id': 'compressed'}
host = {'host': 'HostA@BackendB#PoolB'}
result = self.adapter.retype(ctxt, volume, new_type, diff, host)
self.assertEqual((True, {}), result)
@patch_for_unity_adapter
def test_retype_volume_to_compressed(self):
volume = MockOSResource(name='thin_volume', size=5,
host='HostA@BackendB#PoolB')
ctxt = None
diff = None
new_type = {'name': u'compressed_type', 'id': 'compressed'}
host = {'host': 'HostA@BackendB#PoolB'}
result = self.adapter.retype(ctxt, volume, new_type, diff, host)
self.assertTrue(result)
@patch_for_unity_adapter
def test_retype_volume_to_qos(self):
volume = MockOSResource(name='thin_volume', size=5,
host='HostA@BackendB#PoolB')
ctxt = None
diff = None
new_type = {'name': u'qos_type', 'id': 'qos'}
host = {'host': 'HostA@BackendB#PoolB'}
result = self.adapter.retype(ctxt, volume, new_type,
diff, host)
self.assertTrue(result)
@patch_for_unity_adapter
def test_retype_volume_revert_qos(self):
volume = MockOSResource(name='qos_volume', size=5,
host='HostA@BackendB#PoolB',
volume_type_id='qos_2')
ctxt = None
diff = None
new_type = {'name': u'no_qos_type', 'id': ''}
host = {'host': 'HostA@BackendB#PoolB'}
result = self.adapter.retype(ctxt, volume, new_type,
diff, host)
self.assertTrue(result)
def test_get_pool_stats(self):
stats_list = self.adapter.get_pools_stats()
self.assertEqual(1, len(stats_list))
stats = stats_list[0]
self.assertEqual('pool1', stats['pool_name'])
self.assertEqual(5, stats['total_capacity_gb'])
self.assertEqual('pool1|CLIENT_SERIAL', stats['location_info'])
self.assertEqual(6, stats['provisioned_capacity_gb'])
self.assertEqual(2, stats['free_capacity_gb'])
self.assertEqual(300, stats['max_over_subscription_ratio'])
self.assertEqual(5, stats['reserved_percentage'])
self.assertTrue(stats['thick_provisioning_support'])
self.assertTrue(stats['thin_provisioning_support'])
self.assertTrue(stats['compression_support'])
self.assertTrue(stats['consistent_group_snapshot_enabled'])
self.assertFalse(stats['replication_enabled'])
self.assertEqual(0, len(stats['replication_targets']))
self.assertTrue(stats['fast_support'])
def test_update_volume_stats(self):
stats = self.adapter.update_volume_stats()
self.assertEqual('backend', stats['volume_backend_name'])
self.assertEqual('unknown', stats['storage_protocol'])
self.assertTrue(stats['thin_provisioning_support'])
self.assertTrue(stats['thick_provisioning_support'])
self.assertTrue(stats['consistent_group_snapshot_enabled'])
self.assertFalse(stats['replication_enabled'])
self.assertEqual(0, len(stats['replication_targets']))
self.assertTrue(stats['fast_support'])
self.assertEqual(1, len(stats['pools']))
def test_get_replication_stats(self):
self.adapter.replication_manager.is_replication_configured = True
self.adapter.replication_manager.replication_devices = {
'secondary_unity': None
}
stats = self.adapter.update_volume_stats()
self.assertTrue(stats['replication_enabled'])
self.assertEqual(['secondary_unity'], stats['replication_targets'])
self.assertEqual(1, len(stats['pools']))
pool_stats = stats['pools'][0]
self.assertTrue(pool_stats['replication_enabled'])
self.assertEqual(['secondary_unity'],
pool_stats['replication_targets'])
def test_serial_number(self):
self.assertEqual('CLIENT_SERIAL', self.adapter.serial_number)
def test_do_setup(self):
self.assertEqual('1.2.3.4', self.adapter.ip)
self.assertEqual('user', self.adapter.username)
self.assertEqual('pass', self.adapter.password)
self.assertTrue(self.adapter.array_cert_verify)
self.assertIsNone(self.adapter.array_ca_cert_path)
def test_do_setup_version_before_4_1(self):
def f():
with mock.patch('cinder.volume.drivers.dell_emc.unity.adapter.'
'CommonAdapter.validate_ports'):
self.adapter._client.system.system_version = '4.0.0'
self.adapter.do_setup(self.adapter.driver, MockConfig())
self.assertRaises(exception.VolumeBackendAPIException, f)
def test_verify_cert_false_path_none(self):
self.adapter.array_cert_verify = False
self.adapter.array_ca_cert_path = None
self.assertFalse(self.adapter.verify_cert)
def test_verify_cert_false_path_not_none(self):
self.adapter.array_cert_verify = False
self.adapter.array_ca_cert_path = '/tmp/array_ca.crt'
self.assertFalse(self.adapter.verify_cert)
def test_verify_cert_true_path_none(self):
self.adapter.array_cert_verify = True
self.adapter.array_ca_cert_path = None
self.assertTrue(self.adapter.verify_cert)
def test_verify_cert_true_path_valide(self):
self.adapter.array_cert_verify = True
self.adapter.array_ca_cert_path = '/tmp/array_ca.crt'
self.assertEqual(self.adapter.array_ca_cert_path,
self.adapter.verify_cert)
def test_terminate_connection_volume(self):
def f():
volume = MockOSResource(provider_location='id^lun_43', id='id_43',
volume_attachment=None)
connector = {'host': 'host1'}
self.adapter.terminate_connection(volume, connector)
self.assertRaises(ex.DetachIsCalled, f)
def test_terminate_connection_force_detach(self):
def f():
volume = MockOSResource(provider_location='id^lun_44', id='id_44',
volume_attachment=None)
self.adapter.terminate_connection(volume, None)
self.assertRaises(ex.DetachAllIsCalled, f)
def test_terminate_connection_snapshot(self):
def f():
connector = {'host': 'host1'}
snap = MockOSResource(name='snap_0', id='snap_0',
volume_attachment=None)
self.adapter.terminate_connection_snapshot(snap, connector)
self.assertRaises(ex.DetachIsCalled, f)
def test_terminate_connection_remove_empty_host(self):
self.adapter.remove_empty_host = True
def f():
connector = {'host': 'empty-host'}
vol = MockOSResource(provider_location='id^lun_45', id='id_45',
volume_attachment=None)
self.adapter.terminate_connection(vol, connector)
self.assertRaises(ex.HostDeleteIsCalled, f)
def test_terminate_connection_multiattached_volume(self):
def f():
connector = {'host': 'host1'}
attachments = [MockOSResource(id='id-1',
attach_status='attached',
attached_host='host1'),
MockOSResource(id='id-2',
attach_status='attached',
attached_host='host1')]
vol = MockOSResource(provider_location='id^lun_45', id='id_45',
volume_attachment=attachments)
self.adapter.terminate_connection(vol, connector)
self.assertIsNone(f())
def test_manage_existing_by_name(self):
ref = {'source-id': 12}
volume = MockOSResource(name='lun1')
ret = self.adapter.manage_existing(volume, ref)
expected = get_lun_pl('12')
self.assertEqual(expected, ret['provider_location'])
def test_manage_existing_by_id(self):
ref = {'source-name': 'lunx'}
volume = MockOSResource(name='lun1')
ret = self.adapter.manage_existing(volume, ref)
expected = get_lun_pl('lun_4')
self.assertEqual(expected, ret['provider_location'])
def test_manage_existing_invalid_ref(self):
def f():
ref = {}
volume = MockOSResource(name='lun1')
self.adapter.manage_existing(volume, ref)
self.assertRaises(exception.ManageExistingInvalidReference, f)
def test_manage_existing_lun_not_found(self):
def f():
ref = {'source-name': 'not_exists'}
volume = MockOSResource(name='lun1')
self.adapter.manage_existing(volume, ref)
self.assertRaises(exception.ManageExistingInvalidReference, f)
@patch_for_unity_adapter
def test_manage_existing_get_size_invalid_backend(self):
def f():
volume = MockOSResource(volume_type_id='thin',
host='host@backend#pool1')
ref = {'source-id': 12}
self.adapter.manage_existing_get_size(volume, ref)
self.assertRaises(exception.ManageExistingInvalidReference, f)
@patch_for_unity_adapter
def test_manage_existing_get_size_success(self):
volume = MockOSResource(volume_type_id='thin',
host='host@backend#pool0')
ref = {'source-id': 12}
volume_size = self.adapter.manage_existing_get_size(volume, ref)
self.assertEqual(5, volume_size)
@patch_for_unity_adapter
def test_create_volume_from_snapshot(self):
lun_id = 'lun_50'
volume = MockOSResource(name=lun_id, id=lun_id, host='unity#pool1')
snap_id = 'snap_50'
snap = MockOSResource(name=snap_id)
with patch_thin_clone(test_client.MockResource(_id=lun_id)) as tc:
ret = self.adapter.create_volume_from_snapshot(volume, snap)
self.assertEqual(get_snap_lun_pl(lun_id),
ret['provider_location'])
tc.assert_called_with(adapter.VolumeParams(self.adapter, volume),
snap_id)
@patch_for_unity_adapter
def test_create_cloned_volume_attached(self):
lun_id = 'lun_51'
src_lun_id = 'lun_53'
volume = MockOSResource(name=lun_id, id=lun_id, host='unity#pool1')
src_vref = MockOSResource(id=src_lun_id, name=src_lun_id,
provider_location=get_lun_pl(src_lun_id),
volume_attachment=['not_care'])
with patch_dd_copy(test_client.MockResource(_id=lun_id)) as dd:
ret = self.adapter.create_cloned_volume(volume, src_vref)
dd.assert_called_with(
adapter.VolumeParams(self.adapter, volume),
IdMatcher(test_client.MockResource(
_id='snap_clone_{}'.format(src_lun_id))),
src_lun=IdMatcher(test_client.MockResource(_id=src_lun_id)))
self.assertEqual(get_lun_pl(lun_id), ret['provider_location'])
@patch_for_unity_adapter
def test_create_cloned_volume_available(self):
lun_id = 'lun_54'
src_lun_id = 'lun_55'
volume = MockOSResource(id=lun_id, host='unity#pool1', size=3,
provider_location=get_lun_pl(lun_id))
src_vref = MockOSResource(id=src_lun_id, name=src_lun_id,
provider_location=get_lun_pl(src_lun_id),
volume_attachment=None)
with patch_thin_clone(test_client.MockResource(_id=lun_id)) as tc:
ret = self.adapter.create_cloned_volume(volume, src_vref)
tc.assert_called_with(
adapter.VolumeParams(self.adapter, volume),
IdMatcher(test_client.MockResource(
_id='snap_clone_{}'.format(src_lun_id))),
src_lun=IdMatcher(test_client.MockResource(_id=src_lun_id)))
self.assertEqual(get_snap_lun_pl(lun_id), ret['provider_location'])
@patch_for_unity_adapter
def test_dd_copy_with_src_lun(self):
lun_id = 'lun_56'
src_lun_id = 'lun_57'
src_snap_id = 'snap_57'
volume = MockOSResource(name=lun_id, id=lun_id, host='unity#pool1',
provider_location=get_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
src_lun = test_client.MockResource(name=src_lun_id, _id=src_lun_id)
src_lun.size_total = 6 * units.Gi
with patch_copy_volume() as copy_volume:
ret = self.adapter._dd_copy(
adapter.VolumeParams(self.adapter, volume), src_snap,
src_lun=src_lun)
copy_volume.assert_called_with('dev', 'dev', 6144, '1M',
sparse=True)
self.assertEqual(IdMatcher(test_client.MockResource(_id=lun_id)),
ret)
@patch_for_unity_adapter
def test_dd_copy_wo_src_lun(self):
lun_id = 'lun_58'
src_lun_id = 'lun_59'
src_snap_id = 'snap_59'
volume = MockOSResource(name=lun_id, id=lun_id, host='unity#pool1',
provider_location=get_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
src_snap.size = 5 * units.Gi
src_snap.storage_resource = test_client.MockResource(name=src_lun_id,
_id=src_lun_id)
with patch_copy_volume() as copy_volume:
ret = self.adapter._dd_copy(
adapter.VolumeParams(self.adapter, volume), src_snap)
copy_volume.assert_called_with('dev', 'dev', 5120, '1M',
sparse=True)
self.assertEqual(IdMatcher(test_client.MockResource(_id=lun_id)),
ret)
@patch_for_unity_adapter
def test_dd_copy_raise(self):
lun_id = 'lun_58'
src_snap_id = 'snap_59'
volume = MockOSResource(name=lun_id, id=lun_id, host='unity#pool1',
provider_location=get_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
with patch_copy_volume() as copy_volume:
copy_volume.side_effect = AttributeError
self.assertRaises(AttributeError,
self.adapter._dd_copy, volume, src_snap)
@patch_for_unity_adapter
def test_thin_clone(self):
lun_id = 'lun_60'
src_snap_id = 'snap_61'
volume = MockOSResource(name=lun_id, id=lun_id, size=1,
provider_location=get_snap_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
ret = self.adapter._thin_clone(volume, src_snap)
self.assertEqual(IdMatcher(test_client.MockResource(_id=lun_id)), ret)
@patch_for_unity_adapter
def test_thin_clone_downgraded_with_src_lun(self):
lun_id = 'lun_60'
src_snap_id = 'snap_62'
src_lun_id = 'lun_62'
volume = MockOSResource(name=lun_id, id=lun_id, size=1,
provider_location=get_snap_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
src_lun = test_client.MockResource(name=src_lun_id, _id=src_lun_id)
new_dd_lun = test_client.MockResource(name='lun_63')
with patch_storops() as mocked_storops, \
patch_dd_copy(new_dd_lun) as dd:
ret = self.adapter._thin_clone(
adapter.VolumeParams(self.adapter, volume),
src_snap, src_lun=src_lun)
vol_params = adapter.VolumeParams(self.adapter, volume)
vol_params.name = 'hidden-{}'.format(volume.name)
vol_params.description = 'hidden-{}'.format(volume.description)
dd.assert_called_with(vol_params, src_snap, src_lun=src_lun)
mocked_storops.TCHelper.notify.assert_called_with(src_lun,
'DD_COPY',
new_dd_lun)
self.assertEqual(IdMatcher(test_client.MockResource(_id=lun_id)), ret)
@patch_for_unity_adapter
def test_thin_clone_downgraded_wo_src_lun(self):
lun_id = 'lun_60'
src_snap_id = 'snap_62'
volume = MockOSResource(name=lun_id, id=lun_id, size=1,
provider_location=get_snap_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
new_dd_lun = test_client.MockResource(name='lun_63')
with patch_storops() as mocked_storops, \
patch_dd_copy(new_dd_lun) as dd:
ret = self.adapter._thin_clone(
adapter.VolumeParams(self.adapter, volume), src_snap)
vol_params = adapter.VolumeParams(self.adapter, volume)
vol_params.name = 'hidden-{}'.format(volume.name)
vol_params.description = 'hidden-{}'.format(volume.description)
dd.assert_called_with(vol_params, src_snap, src_lun=None)
mocked_storops.TCHelper.notify.assert_called_with(src_snap,
'DD_COPY',
new_dd_lun)
self.assertEqual(IdMatcher(test_client.MockResource(_id=lun_id)), ret)
@patch_for_unity_adapter
def test_thin_clone_thick(self):
lun_id = 'lun_70'
src_snap_id = 'snap_71'
volume = MockOSResource(name=lun_id, id=lun_id, size=1,
provider_location=get_snap_lun_pl(lun_id))
src_snap = test_client.MockResource(name=src_snap_id, _id=src_snap_id)
new_dd_lun = test_client.MockResource(name='lun_73')
with patch_storops(), patch_dd_copy(new_dd_lun) as dd:
vol_params = adapter.VolumeParams(self.adapter, volume)
ret = self.adapter._thin_clone(vol_params, src_snap)
dd.assert_called_with(vol_params, src_snap, src_lun=None)
self.assertEqual(ret, new_dd_lun)
def test_extend_volume_error(self):
def f():
volume = MockOSResource(id='l56',
provider_location=get_lun_pl('lun56'))
self.adapter.extend_volume(volume, -1)
self.assertRaises(ex.ExtendLunError, f)
def test_extend_volume_no_id(self):
def f():
volume = MockOSResource(provider_location='type^lun')
self.adapter.extend_volume(volume, 5)
self.assertRaises(exception.VolumeBackendAPIException, f)
def test_normalize_config(self):
config = MockConfig()
config.unity_storage_pool_names = [' pool_1 ', '', ' ']
config.unity_io_ports = [' spa_eth2 ', '', ' ']
normalized = self.adapter.normalize_config(config)
self.assertEqual(['pool_1'], normalized.unity_storage_pool_names)
self.assertEqual(['spa_eth2'], normalized.unity_io_ports)
def test_normalize_config_raise(self):
with self.assertRaisesRegex(exception.InvalidConfigurationValue,
'unity_storage_pool_names'):
config = MockConfig()
config.unity_storage_pool_names = ['', ' ']
self.adapter.normalize_config(config)
with self.assertRaisesRegex(exception.InvalidConfigurationValue,
'unity_io_ports'):
config = MockConfig()
config.unity_io_ports = ['', ' ']
self.adapter.normalize_config(config)
def test_restore_snapshot(self):
volume = MockOSResource(id='1', name='vol_1')
snapshot = MockOSResource(id='2', name='snap_1')
self.adapter.restore_snapshot(volume, snapshot)
def test_get_pool_id_by_name(self):
pool_name = 'PoolA'
pool_id = self.adapter.get_pool_id_by_name(pool_name)
self.assertEqual('pool_1', pool_id)
def test_migrate_volume(self):
provider_location = 'id^1|system^FNM001|type^lun|version^05.00'
volume = MockOSResource(id='1', name='vol_1',
host='HostA@BackendB#PoolA',
provider_location=provider_location)
host = {'host': 'HostA@BackendB#PoolB'}
ret = self.adapter.migrate_volume(volume, host)
self.assertEqual((True, {}), ret)
def test_migrate_volume_failed(self):
provider_location = 'id^1|system^FNM001|type^lun|version^05.00'
volume = MockOSResource(id='1', name='vol_1',
host='HostA@BackendB#PoolA',
provider_location=provider_location)
host = {'host': 'HostA@BackendB#PoolC'}
ret = self.adapter.migrate_volume(volume, host)
self.assertEqual((False, None), ret)
def test_migrate_volume_cross_backends(self):
provider_location = 'id^1|system^FNM001|type^lun|version^05.00'
volume = MockOSResource(id='1', name='vol_1',
host='HostA@BackendA#PoolA',
provider_location=provider_location)
host = {'host': 'HostA@BackendB#PoolB'}
ret = self.adapter.migrate_volume(volume, host)
self.assertEqual((False, None), ret)
@ddt.unpack
@ddt.data((('group-1', 'group-1_name', 'group-1_description'),
('group-1', 'group-1_description')),
(('group-2', 'group-2_name', None), ('group-2', 'group-2_name')),
(('group-3', 'group-3_name', ''), ('group-3', 'group-3_name')))
def test_create_group(self, inputs, expected):
cg_id, cg_name, cg_description = inputs
cg = MockOSResource(id=cg_id, name=cg_name, description=cg_description)
with mock.patch.object(self.adapter.client, 'create_cg',
create=True) as mocked:
model_update = self.adapter.create_group(cg)
self.assertEqual('available', model_update['status'])
mocked.assert_called_once_with(expected[0],
description=expected[1])
def test_delete_group(self):
cg = MockOSResource(id='group-1')
with mock.patch.object(self.adapter.client, 'delete_cg',
create=True) as mocked:
ret = self.adapter.delete_group(cg)
self.assertIsNone(ret[0])
self.assertIsNone(ret[1])
mocked.assert_called_once_with('group-1')
def test_update_group(self):
cg = MockOSResource(id='group-1')
add_volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-1', 'sv_1'),
('volume-2', 'sv_2'))]
remove_volumes = [MockOSResource(
id='volume-3', provider_location=get_lun_pl('sv_3'))]
with mock.patch.object(self.adapter.client, 'update_cg',
create=True) as mocked:
ret = self.adapter.update_group(cg, add_volumes, remove_volumes)
self.assertEqual('available', ret[0]['status'])
self.assertIsNone(ret[1])
self.assertIsNone(ret[2])
mocked.assert_called_once_with('group-1', {'sv_1', 'sv_2'},
{'sv_3'})
def test_update_group_add_volumes_none(self):
cg = MockOSResource(id='group-1')
remove_volumes = [MockOSResource(
id='volume-3', provider_location=get_lun_pl('sv_3'))]
with mock.patch.object(self.adapter.client, 'update_cg',
create=True) as mocked:
ret = self.adapter.update_group(cg, None, remove_volumes)
self.assertEqual('available', ret[0]['status'])
self.assertIsNone(ret[1])
self.assertIsNone(ret[2])
mocked.assert_called_once_with('group-1', set(), {'sv_3'})
def test_update_group_remove_volumes_none(self):
cg = MockOSResource(id='group-1')
add_volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-1', 'sv_1'),
('volume-2', 'sv_2'))]
with mock.patch.object(self.adapter.client, 'update_cg',
create=True) as mocked:
ret = self.adapter.update_group(cg, add_volumes, None)
self.assertEqual('available', ret[0]['status'])
self.assertIsNone(ret[1])
self.assertIsNone(ret[2])
mocked.assert_called_once_with('group-1', {'sv_1', 'sv_2'}, set())
def test_update_group_add_remove_volumes_none(self):
cg = MockOSResource(id='group-1')
with mock.patch.object(self.adapter.client, 'update_cg',
create=True) as mocked:
ret = self.adapter.update_group(cg, None, None)
self.assertEqual('available', ret[0]['status'])
self.assertIsNone(ret[1])
self.assertIsNone(ret[2])
mocked.assert_called_once_with('group-1', set(), set())
@patch_for_unity_adapter
def test_copy_luns_in_group(self):
cg = MockOSResource(id='group-1')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
src_cg_snap = test_client.MockResource(_id='id_src_cg_snap')
src_volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-1', 'sv_1'),
('volume-2', 'sv_2'))]
copied_luns = [test_client.MockResource(_id=lun_id)
for lun_id in ('sv_3', 'sv_4')]
def _prepare_lun_snaps(lun_id):
lun_snap = test_client.MockResource(_id='snap_{}'.format(lun_id))
lun_snap.lun = test_client.MockResource(_id=lun_id)
return lun_snap
lun_snaps = list(map(_prepare_lun_snaps, ('sv_1', 'sv_2')))
with mock.patch.object(self.adapter.client, 'filter_snaps_in_cg_snap',
create=True) as mocked_filter, \
mock.patch.object(self.adapter.client, 'create_cg',
create=True) as mocked_create_cg, \
patch_dd_copy(None) as mocked_dd:
mocked_filter.return_value = lun_snaps
mocked_dd.side_effect = copied_luns
ret = self.adapter.copy_luns_in_group(cg, volumes, src_cg_snap,
src_volumes)
mocked_filter.assert_called_once_with('id_src_cg_snap')
dd_args = zip([adapter.VolumeParams(self.adapter, vol)
for vol in volumes],
lun_snaps)
mocked_dd.assert_has_calls([mock.call(*args) for args in dd_args])
mocked_create_cg.assert_called_once_with('group-1',
lun_add=copied_luns)
self.assertEqual('available', ret[0]['status'])
self.assertEqual(2, len(ret[1]))
for vol_id in ('volume-3', 'volume-4'):
self.assertIn({'id': vol_id, 'status': 'available'}, ret[1])
def test_create_group_from_snap(self):
cg = MockOSResource(id='group-2')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
cg_snap = MockOSResource(id='snap-group-1')
vol_1 = MockOSResource(id='volume-1')
vol_2 = MockOSResource(id='volume-2')
vol_snaps = [MockOSResource(id='snap-volume-1', volume=vol_1),
MockOSResource(id='snap-volume-2', volume=vol_2)]
src_cg_snap = test_client.MockResource(_id='id_src_cg_snap')
with mock.patch.object(self.adapter.client, 'get_snap',
create=True, return_value=src_cg_snap), \
mock.patch.object(self.adapter, 'copy_luns_in_group',
create=True) as mocked_copy:
mocked_copy.return_value = ({'status': 'available'},
[{'id': 'volume-3',
'status': 'available'},
{'id': 'volume-4',
'status': 'available'}])
ret = self.adapter.create_group_from_snap(cg, volumes, cg_snap,
vol_snaps)
mocked_copy.assert_called_once_with(cg, volumes, src_cg_snap,
[vol_1, vol_2])
self.assertEqual('available', ret[0]['status'])
self.assertEqual(2, len(ret[1]))
for vol_id in ('volume-3', 'volume-4'):
self.assertIn({'id': vol_id, 'status': 'available'}, ret[1])
def test_create_group_from_snap_none_snapshots(self):
cg = MockOSResource(id='group-2')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
cg_snap = MockOSResource(id='snap-group-1')
src_cg_snap = test_client.MockResource(_id='id_src_cg_snap')
with mock.patch.object(self.adapter.client, 'get_snap',
create=True, return_value=src_cg_snap), \
mock.patch.object(self.adapter, 'copy_luns_in_group',
create=True) as mocked_copy:
mocked_copy.return_value = ({'status': 'available'},
[{'id': 'volume-3',
'status': 'available'},
{'id': 'volume-4',
'status': 'available'}])
ret = self.adapter.create_group_from_snap(cg, volumes, cg_snap,
None)
mocked_copy.assert_called_once_with(cg, volumes, src_cg_snap, [])
self.assertEqual('available', ret[0]['status'])
self.assertEqual(2, len(ret[1]))
for vol_id in ('volume-3', 'volume-4'):
self.assertIn({'id': vol_id, 'status': 'available'}, ret[1])
def test_create_cloned_group(self):
cg = MockOSResource(id='group-2')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
src_cg = MockOSResource(id='group-1')
vol_1 = MockOSResource(id='volume-1')
vol_2 = MockOSResource(id='volume-2')
src_vols = [vol_1, vol_2]
src_cg_snap = test_client.MockResource(_id='id_src_cg_snap')
with mock.patch.object(self.adapter.client, 'create_cg_snap',
create=True,
return_value=src_cg_snap) as mocked_create, \
mock.patch.object(self.adapter, 'copy_luns_in_group',
create=True) as mocked_copy:
mocked_create.__name__ = 'create_cg_snap'
mocked_copy.return_value = ({'status': 'available'},
[{'id': 'volume-3',
'status': 'available'},
{'id': 'volume-4',
'status': 'available'}])
ret = self.adapter.create_cloned_group(cg, volumes, src_cg,
src_vols)
mocked_create.assert_called_once_with('group-1',
'snap_clone_group_group-1')
mocked_copy.assert_called_once_with(cg, volumes, src_cg_snap,
[vol_1, vol_2])
self.assertEqual('available', ret[0]['status'])
self.assertEqual(2, len(ret[1]))
for vol_id in ('volume-3', 'volume-4'):
self.assertIn({'id': vol_id, 'status': 'available'}, ret[1])
def test_create_cloned_group_none_source_vols(self):
cg = MockOSResource(id='group-2')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
src_cg = MockOSResource(id='group-1')
src_cg_snap = test_client.MockResource(_id='id_src_cg_snap')
with mock.patch.object(self.adapter.client, 'create_cg_snap',
create=True,
return_value=src_cg_snap) as mocked_create, \
mock.patch.object(self.adapter, 'copy_luns_in_group',
create=True) as mocked_copy:
mocked_create.__name__ = 'create_cg_snap'
mocked_copy.return_value = ({'status': 'available'},
[{'id': 'volume-3',
'status': 'available'},
{'id': 'volume-4',
'status': 'available'}])
ret = self.adapter.create_cloned_group(cg, volumes, src_cg,
None)
mocked_create.assert_called_once_with('group-1',
'snap_clone_group_group-1')
mocked_copy.assert_called_once_with(cg, volumes, src_cg_snap, [])
self.assertEqual('available', ret[0]['status'])
self.assertEqual(2, len(ret[1]))
for vol_id in ('volume-3', 'volume-4'):
self.assertIn({'id': vol_id, 'status': 'available'}, ret[1])
def test_create_group_snapshot(self):
cg_snap = MockOSResource(id='snap-group-1', group_id='group-1')
vol_1 = MockOSResource(id='volume-1')
vol_2 = MockOSResource(id='volume-2')
vol_snaps = [MockOSResource(id='snap-volume-1', volume=vol_1),
MockOSResource(id='snap-volume-2', volume=vol_2)]
with mock.patch.object(self.adapter.client, 'create_cg_snap',
create=True) as mocked_create:
mocked_create.return_value = ({'status': 'available'},
[{'id': 'snap-volume-1',
'status': 'available'},
{'id': 'snap-volume-2',
'status': 'available'}])
ret = self.adapter.create_group_snapshot(cg_snap, vol_snaps)
mocked_create.assert_called_once_with('group-1',
snap_name='snap-group-1')
self.assertEqual({'status': 'available'}, ret[0])
self.assertEqual(2, len(ret[1]))
for snap_id in ('snap-volume-1', 'snap-volume-2'):
self.assertIn({'id': snap_id, 'status': 'available'}, ret[1])
def test_delete_group_snapshot(self):
group_snap = MockOSResource(id='snap-group-1')
cg_snap = test_client.MockResource(_id='snap_cg_1')
with mock.patch.object(self.adapter.client, 'get_snap',
create=True,
return_value=cg_snap) as mocked_get, \
mock.patch.object(self.adapter.client, 'delete_snap',
create=True) as mocked_delete:
ret = self.adapter.delete_group_snapshot(group_snap)
mocked_get.assert_called_once_with('snap-group-1')
mocked_delete.assert_called_once_with(cg_snap)
self.assertEqual((None, None), ret)
def test_setup_replications(self):
secondary_device = mock_replication_device()
self.adapter.replication_manager.is_replication_configured = True
self.adapter.replication_manager.replication_devices = {
'secondary_unity': secondary_device
}
model_update = self.adapter.setup_replications(
test_client.MockResource(_id='sv_1'), {})
self.assertIn('replication_status', model_update)
self.assertEqual('enabled', model_update['replication_status'])
self.assertIn('replication_driver_data', model_update)
self.assertEqual('{"secondary_unity": "rep_session_name_1"}',
model_update['replication_driver_data'])
def test_setup_replications_not_configured_replication(self):
model_update = self.adapter.setup_replications(
test_client.MockResource(_id='sv_1'), {})
self.assertEqual(0, len(model_update))
def test_setup_replications_raise(self):
secondary_device = mock_replication_device(
serial_number='not-found-remote-system')
self.adapter.replication_manager.is_replication_configured = True
self.adapter.replication_manager.replication_devices = {
'secondary_unity': secondary_device
}
self.assertRaises(exception.VolumeBackendAPIException,
self.adapter.setup_replications,
test_client.MockResource(_id='sv_1'),
{})
@ddt.data({'failover_to': 'secondary_unity'},
{'failover_to': None})
@ddt.unpack
def test_failover(self, failover_to):
secondary_id = 'secondary_unity'
secondary_device = mock_replication_device()
self.adapter.replication_manager.is_replication_configured = True
self.adapter.replication_manager.replication_devices = {
secondary_id: secondary_device
}
volume = MockOSResource(
id='volume-id-1',
name='volume-name-1',
replication_driver_data='{"secondary_unity":"rep_session_name_1"}')
model_update = self.adapter.failover([volume],
secondary_id=failover_to)
self.assertEqual(3, len(model_update))
active_backend_id, volumes_update, groups_update = model_update
self.assertEqual(secondary_id, active_backend_id)
self.assertEqual([], groups_update)
self.assertEqual(1, len(volumes_update))
model_update = volumes_update[0]
self.assertIn('volume_id', model_update)
self.assertEqual('volume-id-1', model_update['volume_id'])
self.assertIn('updates', model_update)
self.assertEqual(
{'provider_id': 'sv_99',
'provider_location':
'id^sv_99|system^SECONDARY_UNITY_SN|type^lun|version^None'},
model_update['updates'])
self.assertTrue(
self.adapter.replication_manager.is_service_failed_over)
def test_failover_raise(self):
secondary_id = 'secondary_unity'
secondary_device = mock_replication_device()
self.adapter.replication_manager.is_replication_configured = True
self.adapter.replication_manager.replication_devices = {
secondary_id: secondary_device
}
vol1 = MockOSResource(
id='volume-id-1',
name='volume-name-1',
replication_driver_data='{"secondary_unity":"rep_session_name_1"}')
vol2 = MockOSResource(
id='volume-id-2',
name='volume-name-2',
replication_driver_data='{"secondary_unity":"rep_session_name_2"}')
model_update = self.adapter.failover([vol1, vol2],
secondary_id=secondary_id)
active_backend_id, volumes_update, groups_update = model_update
self.assertEqual(secondary_id, active_backend_id)
self.assertEqual([], groups_update)
self.assertEqual(2, len(volumes_update))
m = volumes_update[0]
self.assertIn('volume_id', m)
self.assertEqual('volume-id-1', m['volume_id'])
self.assertIn('updates', m)
self.assertEqual(
{'provider_id': 'sv_99',
'provider_location':
'id^sv_99|system^SECONDARY_UNITY_SN|type^lun|version^None'},
m['updates'])
m = volumes_update[1]
self.assertIn('volume_id', m)
self.assertEqual('volume-id-2', m['volume_id'])
self.assertIn('updates', m)
self.assertEqual({'replication_status': 'failover-error'},
m['updates'])
self.assertTrue(
self.adapter.replication_manager.is_service_failed_over)
def test_failover_failback(self):
secondary_id = 'secondary_unity'
secondary_device = mock_replication_device()
self.adapter.replication_manager.is_replication_configured = True
self.adapter.replication_manager.replication_devices = {
secondary_id: secondary_device
}
default_device = mock_replication_device(
device_conf={
'backend_id': 'default',
'san_ip': '10.10.10.10'
}, serial_number='PRIMARY_UNITY_SN'
)
self.adapter.replication_manager.default_device = default_device
self.adapter.replication_manager.active_adapter = (
self.adapter.replication_manager.replication_devices[
secondary_id].adapter)
self.adapter.replication_manager.active_backend_id = secondary_id
volume = MockOSResource(
id='volume-id-1',
name='volume-name-1',
replication_driver_data='{"secondary_unity":"rep_session_name_1"}')
model_update = self.adapter.failover([volume],
secondary_id='default')
active_backend_id, volumes_update, groups_update = model_update
self.assertEqual('default', active_backend_id)
self.assertEqual([], groups_update)
self.assertEqual(1, len(volumes_update))
model_update = volumes_update[0]
self.assertIn('volume_id', model_update)
self.assertEqual('volume-id-1', model_update['volume_id'])
self.assertIn('updates', model_update)
self.assertEqual(
{'provider_id': 'sv_1',
'provider_location':
'id^sv_1|system^PRIMARY_UNITY_SN|type^lun|version^None'},
model_update['updates'])
self.assertFalse(
self.adapter.replication_manager.is_service_failed_over)
@patch_for_unity_adapter
def test_failed_enable_replication(self):
cg = MockOSResource(id='not_cg', name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
self.assertRaises(exception.InvalidGroupType,
self.adapter.enable_replication, None,
cg, volumes)
@patch_for_unity_adapter
def test_enable_replication(self):
cg = MockOSResource(id='test_cg_1', name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
secondary_device = mock_replication_device()
self.adapter.replication_manager.replication_devices = {
'secondary_unity': secondary_device
}
result = self.adapter.enable_replication(None, cg, volumes)
self.assertEqual(({'replication_status': 'enabled'}, None), result)
@patch_for_unity_adapter
def test_cannot_disable_replication_on_generic_group(self):
cg = MockOSResource(id='not_cg', name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
self.assertRaises(exception.InvalidGroupType,
self.adapter.disable_replication, None,
cg, volumes)
@patch_for_unity_adapter
def test_disable_replication(self):
cg = MockOSResource(id='cg_is_replicated', name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
result = self.adapter.disable_replication(None, cg, volumes)
self.assertEqual(({'replication_status': 'disabled'}, None), result)
@patch_for_unity_adapter
def test_failover_replication(self):
cg = MockOSResource(id='cg_is_replicated', name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
real_secondary_id = 'secondary_unity'
secondary_device = mock_replication_device()
self.adapter.replication_manager.replication_devices = {
real_secondary_id: secondary_device
}
result = self.adapter.failover_replication(None, cg, volumes,
real_secondary_id)
self.assertEqual(({'replication_status': 'failed-over'},
[{'id': 'volume-3',
'replication_status': 'failed-over'},
{'id': 'volume-4',
'replication_status': 'failed-over'}]), result)
@patch_for_unity_adapter
def test_failback_replication(self):
cg = MockOSResource(id='cg_is_replicated', name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
input_secondary_id = 'default'
real_secondary_id = 'secondary_unity'
secondary_device = mock_replication_device()
self.adapter.replication_manager.replication_devices = {
real_secondary_id: secondary_device
}
result = self.adapter.failover_replication(None, cg, volumes,
input_secondary_id)
self.assertEqual(({'replication_status': 'enabled'},
[{'id': 'volume-3',
'replication_status': 'enabled'},
{'id': 'volume-4',
'replication_status': 'enabled'}]),
result)
failed_cg = MockOSResource(id='cg_is_replicated_but_has_error',
name='cg_name',
description='cg_description')
failed_result = self.adapter.failover_replication(
None, failed_cg, volumes, real_secondary_id)
self.assertEqual(({'replication_status': 'error'},
[{'id': 'volume-3',
'replication_status': 'error'},
{'id': 'volume-4',
'replication_status': 'error'}]), failed_result)
@patch_for_unity_adapter
def test_failover_replication_error(self):
cg = MockOSResource(id='cg_is_replicated_but_has_error',
name='cg_name',
description='cg_description')
volumes = [MockOSResource(id=vol_id,
provider_location=get_lun_pl(lun_id))
for vol_id, lun_id in (('volume-3', 'sv_3'),
('volume-4', 'sv_4'))]
real_secondary_id = 'default'
secondary_device = mock_replication_device()
self.adapter.replication_manager.replication_devices = {
real_secondary_id: secondary_device
}
result = self.adapter.failover_replication(
None, cg, volumes, real_secondary_id)
self.assertEqual(({'replication_status': 'error'},
[{'id': 'volume-3',
'replication_status': 'error'},
{'id': 'volume-4',
'replication_status': 'error'}]), result)
class FCAdapterTest(test.TestCase):
def setUp(self):
super(FCAdapterTest, self).setUp()
self.adapter = mock_adapter(adapter.FCAdapter)
def test_setup(self):
self.assertIsNotNone(self.adapter.lookup_service)
def test_auto_zone_enabled(self):
self.assertTrue(self.adapter.auto_zone_enabled)
def test_fc_protocol(self):
stats = mock_adapter(adapter.FCAdapter).update_volume_stats()
self.assertEqual('FC', stats['storage_protocol'])
def test_get_connector_uids(self):
connector = {'host': 'fake_host',
'wwnns': ['1111111111111111',
'2222222222222222'],
'wwpns': ['3333333333333333',
'4444444444444444']
}
expected = ['11:11:11:11:11:11:11:11:33:33:33:33:33:33:33:33',
'22:22:22:22:22:22:22:22:44:44:44:44:44:44:44:44']
ret = self.adapter.get_connector_uids(connector)
self.assertListEqual(expected, ret)
def test_get_connection_info_no_targets(self):
def f():
host = test_client.MockResource('no_target')
self.adapter.get_connection_info(12, host, {})
self.assertRaises(exception.VolumeBackendAPIException, f)
def test_get_connection_info_auto_zone_enabled(self):
host = test_client.MockResource('host1')
connector = {'wwpns': 'abcdefg'}
ret = self.adapter.get_connection_info(10, host, connector)
target_wwns = ['100000051e55a100', '100000051e55a121']
self.assertListEqual(target_wwns, ret['target_wwn'])
init_target_map = {
'200000051e55a100': ('100000051e55a100', '100000051e55a121'),
'200000051e55a121': ('100000051e55a100', '100000051e55a121')}
self.assertDictEqual(init_target_map, ret['initiator_target_map'])
self.assertEqual(10, ret['target_lun'])
def test_get_connection_info_auto_zone_disabled(self):
self.adapter.lookup_service = None
host = test_client.MockResource('host1')
connector = {'wwpns': 'abcdefg'}
ret = self.adapter.get_connection_info(10, host, connector)
self.assertEqual(10, ret['target_lun'])
wwns = ['8899AABBCCDDEEFF', '8899AABBCCDDFFEE']
self.assertListEqual(wwns, ret['target_wwn'])
@patch_for_fc_adapter
def test_initialize_connection_volume(self):
volume = MockOSResource(provider_location='id^lun_43', id='id_43')
connector = {'host': 'host1'}
conn_info = self.adapter.initialize_connection(volume, connector)
self.assertEqual('fibre_channel', conn_info['driver_volume_type'])
self.assertTrue(conn_info['data']['target_discovered'])
self.assertEqual('id_43', conn_info['data']['volume_id'])
@patch_for_fc_adapter
def test_initialize_connection_snapshot(self):
snap = MockOSResource(id='snap_1', name='snap_1')
connector = {'host': 'host1'}
conn_info = self.adapter.initialize_connection_snapshot(
snap, connector)
self.assertEqual('fibre_channel', conn_info['driver_volume_type'])
self.assertTrue(conn_info['data']['target_discovered'])
self.assertEqual('snap_1', conn_info['data']['volume_id'])
def test_terminate_connection_auto_zone_enabled(self):
connector = {'host': 'host1', 'wwpns': 'abcdefg'}
volume = MockOSResource(provider_location='id^lun_41', id='id_41',
volume_attachment=None)
ret = self.adapter.terminate_connection(volume, connector)
self.assertEqual('fibre_channel', ret['driver_volume_type'])
data = ret['data']
target_map = {
'200000051e55a100': ('100000051e55a100', '100000051e55a121'),
'200000051e55a121': ('100000051e55a100', '100000051e55a121')}
self.assertDictEqual(target_map, data['initiator_target_map'])
target_wwn = ['100000051e55a100', '100000051e55a121']
self.assertListEqual(target_wwn, data['target_wwn'])
def test_terminate_connection_auto_zone_enabled_none_host_luns(self):
connector = {'host': 'host-no-host_luns', 'wwpns': 'abcdefg'}
volume = MockOSResource(provider_location='id^lun_41', id='id_41',
volume_attachment=None)
ret = self.adapter.terminate_connection(volume, connector)
self.assertEqual('fibre_channel', ret['driver_volume_type'])
data = ret['data']
target_map = {
'200000051e55a100': ('100000051e55a100', '100000051e55a121'),
'200000051e55a121': ('100000051e55a100', '100000051e55a121')}
self.assertDictEqual(target_map, data['initiator_target_map'])
target_wwn = ['100000051e55a100', '100000051e55a121']
self.assertListEqual(target_wwn, data['target_wwn'])
def test_terminate_connection_remove_empty_host_return_data(self):
self.adapter.remove_empty_host = True
connector = {'host': 'empty-host-return-data', 'wwpns': 'abcdefg'}
volume = MockOSResource(provider_location='id^lun_41', id='id_41',
volume_attachment=None)
ret = self.adapter.terminate_connection(volume, connector)
self.assertEqual('fibre_channel', ret['driver_volume_type'])
data = ret['data']
target_map = {
'200000051e55a100': ('100000051e55a100', '100000051e55a121'),
'200000051e55a121': ('100000051e55a100', '100000051e55a121')}
self.assertDictEqual(target_map, data['initiator_target_map'])
target_wwn = ['100000051e55a100', '100000051e55a121']
self.assertListEqual(target_wwn, data['target_wwn'])
def test_validate_ports_whitelist_none(self):
ports = self.adapter.validate_ports(None)
self.assertEqual(set(('spa_iom_0_fc0', 'spa_iom_0_fc1')), set(ports))
def test_validate_ports(self):
ports = self.adapter.validate_ports(['spa_iom_0_fc0'])
self.assertEqual(set(('spa_iom_0_fc0',)), set(ports))
def test_validate_ports_asterisk(self):
ports = self.adapter.validate_ports(['spa*'])
self.assertEqual(set(('spa_iom_0_fc0', 'spa_iom_0_fc1')), set(ports))
def test_validate_ports_question_mark(self):
ports = self.adapter.validate_ports(['spa_iom_0_fc?'])
self.assertEqual(set(('spa_iom_0_fc0', 'spa_iom_0_fc1')), set(ports))
def test_validate_ports_no_matched(self):
with self.assertRaisesRegex(exception.InvalidConfigurationValue,
'unity_io_ports'):
self.adapter.validate_ports(['spc_invalid'])
def test_validate_ports_unmatched_whitelist(self):
with self.assertRaisesRegex(exception.InvalidConfigurationValue,
'unity_io_ports'):
self.adapter.validate_ports(['spa_iom*', 'spc_invalid'])
class ISCSIAdapterTest(test.TestCase):
def setUp(self):
super(ISCSIAdapterTest, self).setUp()
self.adapter = mock_adapter(adapter.ISCSIAdapter)
def test_iscsi_protocol(self):
stats = self.adapter.update_volume_stats()
self.assertEqual('iSCSI', stats['storage_protocol'])
def test_get_connector_uids(self):
connector = {'host': 'fake_host', 'initiator': 'fake_iqn'}
ret = self.adapter.get_connector_uids(connector)
self.assertListEqual(['fake_iqn'], ret)
def test_get_connection_info(self):
connector = {'host': 'fake_host', 'initiator': 'fake_iqn'}
hlu = 10
info = self.adapter.get_connection_info(hlu, None, connector)
target_iqns = ['iqn.1-1.com.e:c.a.a0', 'iqn.1-1.com.e:c.a.a1']
target_portals = ['1.2.3.4:1234', '1.2.3.5:1234']
self.assertListEqual(target_iqns, info['target_iqns'])
self.assertListEqual([hlu, hlu], info['target_luns'])
self.assertListEqual(target_portals, info['target_portals'])
self.assertEqual(hlu, info['target_lun'])
self.assertTrue(info['target_portal'] in target_portals)
self.assertTrue(info['target_iqn'] in target_iqns)
@patch_for_iscsi_adapter
def test_initialize_connection_volume(self):
volume = MockOSResource(provider_location='id^lun_43', id='id_43')
connector = {'host': 'host1'}
conn_info = self.adapter.initialize_connection(volume, connector)
self.assertEqual('iscsi', conn_info['driver_volume_type'])
self.assertTrue(conn_info['data']['target_discovered'])
self.assertEqual('id_43', conn_info['data']['volume_id'])
@patch_for_iscsi_adapter
def test_initialize_connection_snapshot(self):
snap = MockOSResource(id='snap_1', name='snap_1')
connector = {'host': 'host1'}
conn_info = self.adapter.initialize_connection_snapshot(
snap, connector)
self.assertEqual('iscsi', conn_info['driver_volume_type'])
self.assertTrue(conn_info['data']['target_discovered'])
self.assertEqual('snap_1', conn_info['data']['volume_id'])