# (c) Copyright 2013 Hewlett-Packard Development Company, L.P. # # 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 mock import os import six from os_brick import exception from os_brick.initiator.connectors import base from os_brick.initiator.connectors import fibre_channel from os_brick.initiator import linuxfc from os_brick.initiator import linuxscsi from os_brick.tests.initiator import test_connector class FibreChannelConnectorTestCase(test_connector.ConnectorTestCase): def setUp(self): super(FibreChannelConnectorTestCase, self).setUp() self.connector = fibre_channel.FibreChannelConnector( None, execute=self.fake_execute, use_multipath=False) self.assertIsNotNone(self.connector) self.assertIsNotNone(self.connector._linuxfc) self.assertIsNotNone(self.connector._linuxscsi) def fake_get_fc_hbas(self): return [{'ClassDevice': 'host1', 'ClassDevicePath': '/sys/devices/pci0000:00/0000:00:03.0' '/0000:05:00.2/host1/fc_host/host1', 'dev_loss_tmo': '30', 'fabric_name': '0x1000000533f55566', 'issue_lip': '', 'max_npiv_vports': '255', 'maxframe_size': '2048 bytes', 'node_name': '0x200010604b019419', 'npiv_vports_inuse': '0', 'port_id': '0x680409', 'port_name': '0x100010604b019419', 'port_state': 'Online', 'port_type': 'NPort (fabric via point-to-point)', 'speed': '10 Gbit', 'supported_classes': 'Class 3', 'supported_speeds': '10 Gbit', 'symbolic_name': 'Emulex 554M FV4.0.493.0 DV8.3.27', 'tgtid_bind_type': 'wwpn (World Wide Port Name)', 'uevent': None, 'vport_create': '', 'vport_delete': ''}] def fake_get_fc_hbas_info(self): hbas = self.fake_get_fc_hbas() info = [{'port_name': hbas[0]['port_name'].replace('0x', ''), 'node_name': hbas[0]['node_name'].replace('0x', ''), 'host_device': hbas[0]['ClassDevice'], 'device_path': hbas[0]['ClassDevicePath']}] return info def fibrechan_connection(self, volume, location, wwn): return {'driver_volume_type': 'fibrechan', 'data': { 'volume_id': volume['id'], 'target_portal': location, 'target_wwn': wwn, 'target_lun': 1, }} @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') def test_get_connector_properties(self, mock_hbas): mock_hbas.return_value = self.fake_get_fc_hbas() multipath = True enforce_multipath = True props = fibre_channel.FibreChannelConnector.get_connector_properties( 'sudo', multipath=multipath, enforce_multipath=enforce_multipath) hbas = self.fake_get_fc_hbas() expected_props = {'wwpns': [hbas[0]['port_name'].replace('0x', '')], 'wwnns': [hbas[0]['node_name'].replace('0x', '')]} self.assertEqual(expected_props, props) def test_get_search_path(self): search_path = self.connector.get_search_path() expected = "/dev/disk/by-path" self.assertEqual(expected, search_path) def test_get_pci_num(self): hba = {'device_path': "/sys/devices/pci0000:00/0000:00:03.0" "/0000:05:00.3/host2/fc_host/host2"} pci_num = self.connector._get_pci_num(hba) self.assertEqual("0000:05:00.3", pci_num) hba = {'device_path': "/sys/devices/pci0000:00/0000:00:03.0" "/0000:05:00.3/0000:06:00.6/host2/fc_host/host2"} pci_num = self.connector._get_pci_num(hba) self.assertEqual("0000:06:00.6", pci_num) hba = {'device_path': "/sys/devices/pci0000:20/0000:20:03.0" "/0000:21:00.2/net/ens2f2/ctlr_2/host3" "/fc_host/host3"} pci_num = self.connector._get_pci_num(hba) self.assertEqual("0000:21:00.2", pci_num) @mock.patch.object(os.path, 'exists', return_value=True) @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas_info') def test_get_volume_paths(self, fake_fc_hbas_info, fake_fc_hbas, fake_exists): fake_fc_hbas.side_effect = self.fake_get_fc_hbas fake_fc_hbas_info.side_effect = self.fake_get_fc_hbas_info name = 'volume-00000001' vol = {'id': 1, 'name': name} location = '10.0.2.15:3260' wwn = '1234567890123456' connection_info = self.fibrechan_connection(vol, location, wwn) volume_paths = self.connector.get_volume_paths( connection_info['data']) expected = ['/dev/disk/by-path/pci-0000:05:00.2' '-fc-0x1234567890123456-lun-1'] self.assertEqual(expected, volume_paths) @mock.patch.object(linuxscsi.LinuxSCSI, 'wait_for_rw') @mock.patch.object(os.path, 'exists', return_value=True) @mock.patch.object(os.path, 'realpath', return_value='/dev/sdb') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas_info') @mock.patch.object(linuxscsi.LinuxSCSI, 'remove_scsi_device') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info') def test_connect_volume(self, get_device_info_mock, get_scsi_wwn_mock, remove_device_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock): get_fc_hbas_mock.side_effect = self.fake_get_fc_hbas get_fc_hbas_info_mock.side_effect = self.fake_get_fc_hbas_info wwn = '1234567890' multipath_devname = '/dev/md-1' devices = {"device": multipath_devname, "id": wwn, "devices": [{'device': '/dev/sdb', 'address': '1:0:0:1', 'host': 1, 'channel': 0, 'id': 0, 'lun': 1}]} get_device_info_mock.return_value = devices['devices'][0] get_scsi_wwn_mock.return_value = wwn location = '10.0.2.15:3260' name = 'volume-00000001' vol = {'id': 1, 'name': name} # Should work for string, unicode, and list wwns = ['1234567890123456', six.text_type('1234567890123456'), ['1234567890123456', '1234567890123457']] for wwn in wwns: connection_info = self.fibrechan_connection(vol, location, wwn) dev_info = self.connector.connect_volume(connection_info['data']) exp_wwn = wwn[0] if isinstance(wwn, list) else wwn dev_str = ('/dev/disk/by-path/pci-0000:05:00.2-fc-0x%s-lun-1' % exp_wwn) self.assertEqual(dev_info['type'], 'block') self.assertEqual(dev_info['path'], dev_str) self.assertNotIn('multipath_id', dev_info) self.assertNotIn('devices', dev_info) self.connector.disconnect_volume(connection_info['data'], dev_info) expected_commands = [] self.assertEqual(expected_commands, self.cmds) # Should not work for anything other than string, unicode, and list connection_info = self.fibrechan_connection(vol, location, 123) self.assertRaises(exception.NoFibreChannelHostsFound, self.connector.connect_volume, connection_info['data']) get_fc_hbas_mock.side_effect = [[]] get_fc_hbas_info_mock.side_effect = [[]] self.assertRaises(exception.NoFibreChannelHostsFound, self.connector.connect_volume, connection_info['data']) @mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device_path') def _test_connect_volume_multipath(self, get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock, access_mode, should_wait_for_rw, find_mp_device_path_mock): self.connector.use_multipath = True get_fc_hbas_mock.side_effect = self.fake_get_fc_hbas get_fc_hbas_info_mock.side_effect = self.fake_get_fc_hbas_info wwn = '1234567890' multipath_devname = '/dev/md-1' devices = {"device": multipath_devname, "id": wwn, "devices": [{'device': '/dev/sdb', 'address': '1:0:0:1', 'host': 1, 'channel': 0, 'id': 0, 'lun': 1}, {'device': '/dev/sdc', 'address': '1:0:0:2', 'host': 1, 'channel': 0, 'id': 0, 'lun': 1}]} get_device_info_mock.side_effect = devices['devices'] get_scsi_wwn_mock.return_value = wwn location = '10.0.2.15:3260' name = 'volume-00000001' vol = {'id': 1, 'name': name} initiator_wwn = ['1234567890123456', '1234567890123457'] find_mp_device_path_mock.return_value = '/dev/mapper/mpatha' find_mp_dev_mock.return_value = {"device": "dm-3", "id": wwn, "name": "mpatha"} connection_info = self.fibrechan_connection(vol, location, initiator_wwn) connection_info['data']['access_mode'] = access_mode self.connector.connect_volume(connection_info['data']) self.assertEqual(should_wait_for_rw, wait_for_rw_mock.called) self.connector.disconnect_volume(connection_info['data'], devices['devices'][0]) expected_commands = [ 'multipath -f ' + find_mp_device_path_mock.return_value, 'blockdev --flushbufs /dev/sdb', 'tee -a /sys/block/sdb/device/delete', 'blockdev --flushbufs /dev/sdc', 'tee -a /sys/block/sdc/device/delete', ] self.assertEqual(expected_commands, self.cmds) return connection_info @mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device') @mock.patch.object(linuxscsi.LinuxSCSI, 'wait_for_rw') @mock.patch.object(os.path, 'exists', return_value=True) @mock.patch.object(os.path, 'realpath', return_value='/dev/sdb') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas_info') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info') def test_connect_volume_multipath_rw(self, get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock): self._test_connect_volume_multipath(get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock, 'rw', True) @mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device') @mock.patch.object(linuxscsi.LinuxSCSI, 'wait_for_rw') @mock.patch.object(os.path, 'exists', return_value=True) @mock.patch.object(os.path, 'realpath', return_value='/dev/sdb') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas_info') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info') def test_connect_volume_multipath_no_access_mode(self, get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock): self._test_connect_volume_multipath(get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock, None, True) @mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device') @mock.patch.object(linuxscsi.LinuxSCSI, 'wait_for_rw') @mock.patch.object(os.path, 'exists', return_value=True) @mock.patch.object(os.path, 'realpath', return_value='/dev/sdb') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas_info') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info') def test_connect_volume_multipath_ro(self, get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock): self._test_connect_volume_multipath(get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock, 'ro', False) @mock.patch.object(base.BaseLinuxConnector, '_discover_mpath_device') @mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device') @mock.patch.object(linuxscsi.LinuxSCSI, 'wait_for_rw') @mock.patch.object(os.path, 'exists', return_value=True) @mock.patch.object(os.path, 'realpath', return_value='/dev/sdb') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas') @mock.patch.object(linuxfc.LinuxFibreChannel, 'get_fc_hbas_info') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn') @mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info') def test_connect_volume_multipath_not_found(self, get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock, discover_mp_dev_mock): discover_mp_dev_mock.return_value = ("/dev/disk/by-path/something", None) connection_info = self._test_connect_volume_multipath( get_device_info_mock, get_scsi_wwn_mock, get_fc_hbas_info_mock, get_fc_hbas_mock, realpath_mock, exists_mock, wait_for_rw_mock, find_mp_dev_mock, 'rw', False) self.assertNotIn('multipathd_id', connection_info['data']) @mock.patch.object(fibre_channel.FibreChannelConnector, 'get_volume_paths') def test_extend_volume_no_path(self, mock_volume_paths): mock_volume_paths.return_value = [] volume = {'id': 'fake_uuid'} wwn = '1234567890123456' connection_info = self.fibrechan_connection(volume, "10.0.2.15:3260", wwn) self.assertRaises(exception.VolumePathsNotFound, self.connector.extend_volume, connection_info['data']) @mock.patch.object(linuxscsi.LinuxSCSI, 'extend_volume') @mock.patch.object(fibre_channel.FibreChannelConnector, 'get_volume_paths') def test_extend_volume(self, mock_volume_paths, mock_scsi_extend): fake_new_size = 1024 mock_volume_paths.return_value = ['/dev/vdx'] mock_scsi_extend.return_value = fake_new_size volume = {'id': 'fake_uuid'} wwn = '1234567890123456' connection_info = self.fibrechan_connection(volume, "10.0.2.15:3260", wwn) new_size = self.connector.extend_volume(connection_info['data']) self.assertEqual(fake_new_size, new_size) @mock.patch.object(os.path, 'isdir') def test_get_all_available_volumes_path_not_dir(self, mock_isdir): mock_isdir.return_value = False expected = [] actual = self.connector.get_all_available_volumes() self.assertItemsEqual(expected, actual)