635 lines
31 KiB
Python
635 lines
31 KiB
Python
# Copyright (c) 2014 Dell Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from cinder import context
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from cinder import exception
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from cinder import test
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from cinder.volume.drivers.dell import dell_storagecenter_api
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from cinder.volume.drivers.dell import dell_storagecenter_fc
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# We patch these here as they are used by every test to keep
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# from trying to contact a Dell Storage Center.
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'__init__',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'open_connection')
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'close_connection')
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class DellSCSanFCDriverTestCase(test.TestCase):
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VOLUME = {u'instanceId': u'64702.4829',
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u'scSerialNumber': 64702,
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u'replicationSource': False,
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u'liveVolume': False,
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u'vpdId': 4831,
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u'objectType': u'ScVolume',
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u'index': 4829,
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u'volumeFolderPath': u'dopnstktst/',
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u'hostCacheEnabled': False,
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u'usedByLegacyFluidFsNasVolume': False,
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u'inRecycleBin': False,
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u'volumeFolderIndex': 17,
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u'instanceName': u'5729f1db-4c45-416c-bc15-c8ea13a4465d',
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u'statusMessage': u'',
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u'status': u'Down',
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u'storageType': {u'instanceId': u'64702.1',
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u'instanceName': u'Assigned - Redundant - 2 MB',
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u'objectType': u'ScStorageType'},
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u'cmmDestination': False,
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u'replicationDestination': False,
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u'volumeFolder': {u'instanceId': u'64702.17',
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u'instanceName': u'opnstktst',
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u'objectType': u'ScVolumeFolder'},
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u'deviceId': u'6000d31000fcbe0000000000000012df',
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u'active': False,
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u'portableVolumeDestination': False,
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u'deleteAllowed': True,
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u'name': u'5729f1db-4c45-416c-bc15-c8ea13a4465d',
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u'scName': u'Storage Center 64702',
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u'secureDataUsed': False,
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u'serialNumber': u'0000fcbe-000012df',
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u'replayAllowed': False,
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u'flashOptimized': False,
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u'configuredSize': u'1.073741824E9 Bytes',
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u'mapped': False,
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u'cmmSource': False}
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SCSERVER = {u'scName': u'Storage Center 64702',
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u'volumeCount': 0,
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u'removeHbasAllowed': True,
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u'legacyFluidFs': False,
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u'serverFolderIndex': 4,
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u'alertOnConnectivity': True,
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u'objectType': u'ScPhysicalServer',
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u'instanceName': u'Server_21000024ff30441d',
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u'instanceId': u'64702.47',
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u'serverFolderPath': u'opnstktst/',
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u'portType': [u'FibreChannel'],
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u'type': u'Physical',
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u'statusMessage': u'Only 5 of 6 expected paths are up',
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u'status': u'Degraded',
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u'scSerialNumber': 64702,
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u'serverFolder': {u'instanceId': u'64702.4',
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u'instanceName': u'opnstktst',
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u'objectType': u'ScServerFolder'},
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u'parentIndex': 0,
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u'connectivity': u'Partial',
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u'hostCacheIndex': 0,
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u'deleteAllowed': True,
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u'pathCount': 5,
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u'name': u'Server_21000024ff30441d',
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u'hbaPresent': True,
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u'hbaCount': 2,
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u'notes': u'Created by Dell Cinder Driver',
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u'mapped': False,
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u'operatingSystem': {u'instanceId': u'64702.38',
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u'instanceName': u'Red Hat Linux 6.x',
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u'objectType': u'ScServerOperatingSystem'}
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}
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MAPPING = {u'instanceId': u'64702.2183',
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u'scName': u'Storage Center 64702',
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u'scSerialNumber': 64702,
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u'controller': {u'instanceId': u'64702.64702',
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u'instanceName': u'SN 64702',
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u'objectType': u'ScController'},
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u'lunUsed': [1],
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u'server': {u'instanceId': u'64702.47',
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u'instanceName': u'Server_21000024ff30441d',
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u'objectType': u'ScPhysicalServer'},
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u'volume': {u'instanceId': u'64702.4829',
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u'instanceName':
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u'5729f1db-4c45-416c-bc15-c8ea13a4465d',
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u'objectType': u'ScVolume'},
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u'connectivity': u'Up',
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u'readOnly': False,
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u'objectType': u'ScMappingProfile',
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u'hostCache': False,
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u'mappedVia': u'Server',
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u'mapCount': 2,
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u'instanceName': u'4829-47',
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u'lunRequested': u'N/A'
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}
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def setUp(self):
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super(DellSCSanFCDriverTestCase, self).setUp()
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# configuration is a mock. A mock is pretty much a blank
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# slate. I believe mock's done in setup are not happy time
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# mocks. So we just do a few things like driver config here.
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self.configuration = mock.Mock()
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self.configuration.san_is_local = False
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self.configuration.san_ip = "192.168.0.1"
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self.configuration.san_login = "admin"
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self.configuration.san_password = "pwd"
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self.configuration.dell_sc_ssn = 64702
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self.configuration.dell_sc_server_folder = 'opnstktst'
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self.configuration.dell_sc_volume_folder = 'opnstktst'
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self.configuration.dell_sc_api_port = 3033
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self._context = context.get_admin_context()
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self.driver = dell_storagecenter_fc.DellStorageCenterFCDriver(
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configuration=self.configuration)
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self.driver.do_setup(None)
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self.driver._stats = {'QoS_support': False,
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'volume_backend_name': 'dell-1',
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'free_capacity_gb': 12123,
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'driver_version': '1.0.1',
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'total_capacity_gb': 12388,
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'reserved_percentage': 0,
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'vendor_name': 'Dell',
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'storage_protocol': 'FC'}
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self.volid = '5729f1db-4c45-416c-bc15-c8ea13a4465d'
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self.volume_name = "volume" + self.volid
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self.connector = {'ip': '192.168.0.77',
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'host': 'cinderfc-vm',
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'wwnns': ['20000024ff30441c', '20000024ff30441d'],
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'initiator': 'iqn.1993-08.org.debian:01:e1b1312f9e1',
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'wwpns': ['21000024ff30441c', '21000024ff30441d']}
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'create_server_multiple_hbas',
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return_value=SCSERVER)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=VOLUME)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'map_volume',
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return_value=MAPPING)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(1,
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[u'5000D31000FCBE3D',
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u'5000D31000FCBE35'],
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{u'21000024FF30441C':
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[u'5000D31000FCBE35'],
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u'21000024FF30441D':
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[u'5000D31000FCBE3D']}))
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def test_initialize_connection(self,
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mock_find_wwns,
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mock_map_volume,
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mock_find_volume,
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mock_create_server,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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volume = {'id': self.volume_name}
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connector = self.connector
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res = self.driver.initialize_connection(volume, connector)
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expected = {'data':
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{'initiator_target_map':
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{u'21000024FF30441C': [u'5000D31000FCBE35'],
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u'21000024FF30441D': [u'5000D31000FCBE3D']},
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'target_discovered': True,
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'target_lun': 1,
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'target_wwn':
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[u'5000D31000FCBE3D', u'5000D31000FCBE35']},
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'driver_volume_type': 'fibre_channel'}
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self.assertEqual(expected, res, 'Unexpected return data')
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# verify find_volume has been called and that is has been called twice
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mock_find_volume.assert_any_call(self.volume_name)
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assert mock_find_volume.call_count == 2
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=SCSERVER)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=VOLUME)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'map_volume',
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return_value=MAPPING)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(None, [], {}))
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def test_initialize_connection_no_wwns(self,
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mock_find_wwns,
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mock_map_volume,
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mock_find_volume,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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volume = {'id': self.volume_name}
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connector = self.connector
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.initialize_connection,
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volume,
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connector)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'create_server_multiple_hbas',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=VOLUME)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'map_volume',
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return_value=MAPPING)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(None, [], {}))
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def test_initialize_connection_no_server(self,
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mock_find_wwns,
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mock_map_volume,
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mock_find_volume,
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mock_create_server,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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volume = {'id': self.volume_name}
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connector = self.connector
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.initialize_connection,
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volume,
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connector)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=SCSERVER)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'map_volume',
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return_value=MAPPING)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(None, [], {}))
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def test_initialize_connection_vol_not_found(self,
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mock_find_wwns,
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mock_map_volume,
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mock_find_volume,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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volume = {'name': self.volume_name}
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connector = self.connector
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.initialize_connection,
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volume,
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connector)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=12345)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=SCSERVER)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=VOLUME)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'map_volume',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(None, [], {}))
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def test_initialize_connection_map_vol_fail(self,
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mock_find_wwns,
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mock_map_volume,
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mock_find_volume,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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# Test case where map_volume returns None (no mappings)
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volume = {'id': self.volume_name}
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connector = self.connector
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.initialize_connection,
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volume,
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connector)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=SCSERVER)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=VOLUME)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'unmap_volume',
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return_value=True)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(1,
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[u'5000D31000FCBE3D',
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u'5000D31000FCBE35'],
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{u'21000024FF30441C':
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[u'5000D31000FCBE35'],
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u'21000024FF30441D':
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[u'5000D31000FCBE3D']}))
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'get_volume_count',
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return_value=1)
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def test_terminate_connection(self,
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mock_get_volume_count,
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mock_find_wwns,
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mock_unmap_volume,
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mock_find_volume,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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volume = {'id': self.volume_name}
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connector = self.connector
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res = self.driver.terminate_connection(volume, connector)
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mock_unmap_volume.assert_called_once_with(self.VOLUME, self.SCSERVER)
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expected = {'driver_volume_type': 'fibre_channel',
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'data': {}}
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self.assertEqual(expected, res, 'Unexpected return data')
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=VOLUME)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'unmap_volume',
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return_value=True)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(1,
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[u'5000D31000FCBE3D',
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u'5000D31000FCBE35'],
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{u'21000024FF30441C':
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[u'5000D31000FCBE35'],
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u'21000024FF30441D':
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[u'5000D31000FCBE3D']}))
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'get_volume_count',
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return_value=1)
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def test_terminate_connection_no_server(self,
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mock_get_volume_count,
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mock_find_wwns,
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mock_unmap_volume,
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mock_find_volume,
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mock_find_server,
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mock_find_sc,
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mock_close_connection,
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mock_open_connection,
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mock_init):
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volume = {'name': self.volume_name}
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connector = self.connector
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self.assertRaises(exception.VolumeBackendAPIException,
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self.driver.terminate_connection,
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volume,
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connector)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_sc',
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return_value=64702)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_server',
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return_value=SCSERVER)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_volume',
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return_value=None)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'unmap_volume',
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return_value=True)
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'find_wwns',
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return_value=(1,
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[u'5000D31000FCBE3D',
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u'5000D31000FCBE35'],
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{u'21000024FF30441C':
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[u'5000D31000FCBE35'],
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u'21000024FF30441D':
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[u'5000D31000FCBE3D']}))
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@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
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'get_volume_count',
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return_value=1)
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def test_terminate_connection_no_volume(self,
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mock_get_volume_count,
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mock_find_wwns,
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mock_unmap_volume,
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|
mock_find_volume,
|
|
mock_find_server,
|
|
mock_find_sc,
|
|
mock_close_connection,
|
|
mock_open_connection,
|
|
mock_init):
|
|
volume = {'name': self.volume_name}
|
|
connector = self.connector
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.driver.terminate_connection,
|
|
volume,
|
|
connector)
|
|
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_sc',
|
|
return_value=64702)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_server',
|
|
return_value=SCSERVER)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_volume',
|
|
return_value=VOLUME)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'unmap_volume',
|
|
return_value=True)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_wwns',
|
|
return_value=(None,
|
|
[],
|
|
{}))
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'get_volume_count',
|
|
return_value=1)
|
|
def test_terminate_connection_no_wwns(self,
|
|
mock_get_volume_count,
|
|
mock_find_wwns,
|
|
mock_unmap_volume,
|
|
mock_find_volume,
|
|
mock_find_server,
|
|
mock_find_sc,
|
|
mock_close_connection,
|
|
mock_open_connection,
|
|
mock_init):
|
|
volume = {'name': self.volume_name}
|
|
connector = self.connector
|
|
# self.assertRaises(exception.VolumeBackendAPIException,
|
|
# self.driver.terminate_connection,
|
|
# volume,
|
|
# connector)
|
|
res = self.driver.terminate_connection(volume, connector)
|
|
expected = {'driver_volume_type': 'fibre_channel',
|
|
'data': {}}
|
|
self.assertEqual(expected, res, 'Unexpected return data')
|
|
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_sc',
|
|
return_value=64702)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_server',
|
|
return_value=SCSERVER)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_volume',
|
|
return_value=VOLUME)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'unmap_volume',
|
|
return_value=False)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_wwns',
|
|
return_value=(1,
|
|
[u'5000D31000FCBE3D',
|
|
u'5000D31000FCBE35'],
|
|
{u'21000024FF30441C':
|
|
[u'5000D31000FCBE35'],
|
|
u'21000024FF30441D':
|
|
[u'5000D31000FCBE3D']}))
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'get_volume_count',
|
|
return_value=1)
|
|
def test_terminate_connection_failure(self,
|
|
mock_get_volume_count,
|
|
mock_find_wwns,
|
|
mock_unmap_volume,
|
|
mock_find_volume,
|
|
mock_find_server,
|
|
mock_find_sc,
|
|
mock_close_connection,
|
|
mock_open_connection,
|
|
mock_init):
|
|
volume = {'name': self.volume_name}
|
|
connector = self.connector
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.driver.terminate_connection,
|
|
volume,
|
|
connector)
|
|
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_sc',
|
|
return_value=64702)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_server',
|
|
return_value=SCSERVER)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_volume',
|
|
return_value=VOLUME)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'unmap_volume',
|
|
return_value=True)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_wwns',
|
|
return_value=(1,
|
|
[u'5000D31000FCBE3D',
|
|
u'5000D31000FCBE35'],
|
|
{u'21000024FF30441C':
|
|
[u'5000D31000FCBE35'],
|
|
u'21000024FF30441D':
|
|
[u'5000D31000FCBE3D']}))
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'get_volume_count',
|
|
return_value=0)
|
|
def test_terminate_connection_vol_count_zero(self,
|
|
mock_get_volume_count,
|
|
mock_find_wwns,
|
|
mock_unmap_volume,
|
|
mock_find_volume,
|
|
mock_find_server,
|
|
mock_find_sc,
|
|
mock_close_connection,
|
|
mock_open_connection,
|
|
mock_init):
|
|
# Test case where get_volume_count is zero
|
|
volume = {'id': self.volume_name}
|
|
connector = self.connector
|
|
res = self.driver.terminate_connection(volume, connector)
|
|
mock_unmap_volume.assert_called_once_with(self.VOLUME, self.SCSERVER)
|
|
expected = {'data':
|
|
{'initiator_target_map':
|
|
{u'21000024FF30441C': [u'5000D31000FCBE35'],
|
|
u'21000024FF30441D': [u'5000D31000FCBE3D']},
|
|
'target_wwn':
|
|
[u'5000D31000FCBE3D', u'5000D31000FCBE35']},
|
|
'driver_volume_type': 'fibre_channel'}
|
|
self.assertEqual(expected, res, 'Unexpected return data')
|
|
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_sc',
|
|
return_value=64702)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'get_storage_usage',
|
|
return_value={'availableSpace': 100, 'freeSpace': 50})
|
|
def test_update_volume_stats_with_refresh(self,
|
|
mock_get_storage_usage,
|
|
mock_find_sc,
|
|
mock_close_connection,
|
|
mock_open_connection,
|
|
mock_init):
|
|
stats = self.driver.get_volume_stats(True)
|
|
self.assertEqual(stats['storage_protocol'], 'FC')
|
|
mock_get_storage_usage.called_once_with(64702)
|
|
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'find_sc',
|
|
return_value=64702)
|
|
@mock.patch.object(dell_storagecenter_api.StorageCenterApi,
|
|
'get_storage_usage',
|
|
return_value={'availableSpace': 100, 'freeSpace': 50})
|
|
def test_get_volume_stats_no_refresh(self,
|
|
mock_get_storage_usage,
|
|
mock_find_sc,
|
|
mock_close_connection,
|
|
mock_open_connection,
|
|
mock_init):
|
|
stats = self.driver.get_volume_stats(False)
|
|
self.assertEqual(stats['storage_protocol'], 'FC')
|
|
assert mock_get_storage_usage.called is False
|