518 lines
22 KiB
Python
518 lines
22 KiB
Python
# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
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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 os.path
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import mock
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from os_brick.initiator import linuxfc
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from os_brick.tests import base
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class LinuxFCTestCase(base.TestCase):
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def setUp(self):
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super(LinuxFCTestCase, self).setUp()
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self.cmds = []
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self.mock_object(os.path, 'exists', return_value=True)
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self.mock_object(os.path, 'isdir', return_value=True)
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self.lfc = linuxfc.LinuxFibreChannel(None, execute=self.fake_execute)
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def fake_execute(self, *cmd, **kwargs):
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self.cmds.append(" ".join(cmd))
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return "", None
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def test_has_fc_support(self):
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self.mock_object(os.path, 'isdir', return_value=False)
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has_fc = self.lfc.has_fc_support()
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self.assertFalse(has_fc)
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self.mock_object(os.path, 'isdir', return_value=True)
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has_fc = self.lfc.has_fc_support()
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self.assertTrue(has_fc)
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@staticmethod
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def __get_rescan_info(zone_manager=False):
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connection_properties = {
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'initiator_target_map': {'50014380186af83c': ['514f0c50023f6c00'],
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'50014380186af83e': ['514f0c50023f6c01']},
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'initiator_target_lun_map': {
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'50014380186af83c': [('514f0c50023f6c00', 1)],
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'50014380186af83e': [('514f0c50023f6c01', 1)]
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},
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'target_discovered': False,
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'target_lun': 1,
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'target_wwn': ['514f0c50023f6c00', '514f0c50023f6c01'],
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'targets': [
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('514f0c50023f6c00', 1),
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('514f0c50023f6c01', 1),
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]
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}
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hbas = [
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{'device_path': ('/sys/devices/pci0000:00/0000:00:02.0/'
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'0000:04:00.0/host6/fc_host/host6'),
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'host_device': 'host6',
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'node_name': '50014380186af83d',
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'port_name': '50014380186af83c'},
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{'device_path': ('/sys/devices/pci0000:00/0000:00:02.0/'
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'0000:04:00.1/host7/fc_host/host7'),
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'host_device': 'host7',
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'node_name': '50014380186af83f',
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'port_name': '50014380186af83e'},
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]
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if not zone_manager:
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del connection_properties['initiator_target_map']
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del connection_properties['initiator_target_lun_map']
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return hbas, connection_properties
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def test__get_hba_channel_scsi_target_single_wwpn(self):
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execute_results = ('/sys/class/fc_transport/target6:0:1/port_name\n',
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'')
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hbas, con_props = self.__get_rescan_info()
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con_props['target_wwn'] = con_props['target_wwn'][0]
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con_props['targets'] = con_props['targets'][0:1]
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with mock.patch.object(self.lfc, '_execute',
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return_value=execute_results) as execute_mock:
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res = self.lfc._get_hba_channel_scsi_target(hbas[0], con_props)
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execute_mock.assert_called_once_with(
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'grep -Gil "514f0c50023f6c00" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True)
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expected = [['0', '1', 1]]
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self.assertListEqual(expected, res)
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def test__get_hba_channel_scsi_target_multiple_wwpn(self):
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execute_results = [
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['/sys/class/fc_transport/target6:0:1/port_name\n', ''],
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['/sys/class/fc_transport/target6:0:2/port_name\n', ''],
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]
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hbas, con_props = self.__get_rescan_info()
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with mock.patch.object(self.lfc, '_execute',
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side_effect=execute_results) as execute_mock:
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res = self.lfc._get_hba_channel_scsi_target(hbas[0], con_props)
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expected_cmds = [
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mock.call('grep -Gil "514f0c50023f6c00" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True),
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mock.call('grep -Gil "514f0c50023f6c01" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True),
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]
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execute_mock.assert_has_calls(expected_cmds)
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expected = [['0', '1', 1], ['0', '2', 1]]
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self.assertListEqual(expected, res)
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def test__get_hba_channel_scsi_target_multiple_wwpn_and_luns(self):
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execute_results = [
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['/sys/class/fc_transport/target6:0:1/port_name\n', ''],
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['/sys/class/fc_transport/target6:0:2/port_name\n', ''],
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]
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hbas, con_props = self.__get_rescan_info()
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con_props['target_lun'] = [1, 7]
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con_props['targets'] = [
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('514f0c50023f6c00', 1),
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('514f0c50023f6c01', 7),
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]
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with mock.patch.object(self.lfc, '_execute',
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side_effect=execute_results) as execute_mock:
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res = self.lfc._get_hba_channel_scsi_target(hbas[0], con_props)
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expected_cmds = [
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mock.call('grep -Gil "514f0c50023f6c00" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True),
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mock.call('grep -Gil "514f0c50023f6c01" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True),
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]
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execute_mock.assert_has_calls(expected_cmds)
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expected = [['0', '1', 1], ['0', '2', 7]]
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self.assertListEqual(expected, res)
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def test__get_hba_channel_scsi_target_zone_manager(self):
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execute_results = ('/sys/class/fc_transport/target6:0:1/port_name\n',
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'')
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hbas, con_props = self.__get_rescan_info(zone_manager=True)
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with mock.patch.object(self.lfc, '_execute',
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return_value=execute_results) as execute_mock:
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res = self.lfc._get_hba_channel_scsi_target(hbas[0], con_props)
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execute_mock.assert_called_once_with(
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'grep -Gil "514f0c50023f6c00" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True)
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expected = [['0', '1', 1]]
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self.assertListEqual(expected, res)
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def test__get_hba_channel_scsi_target_not_found(self):
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hbas, con_props = self.__get_rescan_info(zone_manager=True)
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with mock.patch.object(self.lfc, '_execute',
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return_value=('', '')) as execute_mock:
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res = self.lfc._get_hba_channel_scsi_target(hbas[0], con_props)
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execute_mock.assert_called_once_with(
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'grep -Gil "514f0c50023f6c00" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True)
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self.assertListEqual([], res)
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def test__get_hba_channel_scsi_target_exception(self):
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hbas, con_props = self.__get_rescan_info(zone_manager=True)
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with mock.patch.object(self.lfc, '_execute',
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side_effect=Exception) as execute_mock:
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res = self.lfc._get_hba_channel_scsi_target(hbas[0], con_props)
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execute_mock.assert_called_once_with(
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'grep -Gil "514f0c50023f6c00" '
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'/sys/class/fc_transport/target6:*/port_name',
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shell=True)
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self.assertEqual(res, [['-', '-', 1]])
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def test_rescan_hosts_initiator_map(self):
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"""Test FC rescan with initiator map and not every HBA connected."""
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get_chan_results = [[['2', '3', 1], ['4', '5', 1]], [['6', '7', 1]]]
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hbas, con_props = self.__get_rescan_info(zone_manager=True)
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# This HBA is not in the initiator map, so we should not scan it or try
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# to get the channel and target
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hbas.append({'device_path': ('/sys/devices/pci0000:00/0000:00:02.0/'
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'0000:04:00.2/host8/fc_host/host8'),
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'host_device': 'host8',
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'node_name': '50014380186af83g',
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'port_name': '50014380186af83h'})
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with mock.patch.object(self.lfc, '_execute',
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return_value=None) as execute_mock, \
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mock.patch.object(self.lfc, '_get_hba_channel_scsi_target',
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side_effect=get_chan_results) as mock_get_chan:
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self.lfc.rescan_hosts(hbas, con_props)
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expected_commands = [
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='2 3 1',
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root_helper=None, run_as_root=True),
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='4 5 1',
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root_helper=None, run_as_root=True),
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mock.call('tee', '-a', '/sys/class/scsi_host/host7/scan',
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process_input='6 7 1',
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root_helper=None, run_as_root=True)]
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execute_mock.assert_has_calls(expected_commands)
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self.assertEqual(len(expected_commands), execute_mock.call_count)
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expected_calls = [mock.call(hbas[0], con_props),
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mock.call(hbas[1], con_props)]
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mock_get_chan.assert_has_calls(expected_calls)
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def test_rescan_hosts_single_wwnn(self):
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"""Test FC rescan with no initiator map and single WWNN for ports."""
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get_chan_results = [
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[['2', '3', 1], ['4', '5', 1]],
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[['6', '7', 1]],
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[['-', '-', 1]],
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]
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hbas, con_props = self.__get_rescan_info(zone_manager=False)
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# This HBA is the one that is not included in the single WWNN.
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hbas.append({'device_path': ('/sys/devices/pci0000:00/0000:00:02.0/'
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'0000:04:00.2/host8/fc_host/host8'),
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'host_device': 'host8',
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'node_name': '50014380186af83g',
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'port_name': '50014380186af83h'})
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with mock.patch.object(self.lfc, '_execute',
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return_value=None) as execute_mock, \
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mock.patch.object(self.lfc, '_get_hba_channel_scsi_target',
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side_effect=get_chan_results) as mock_get_chan:
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self.lfc.rescan_hosts(hbas, con_props)
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expected_commands = [
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='2 3 1',
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root_helper=None, run_as_root=True),
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='4 5 1',
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root_helper=None, run_as_root=True),
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mock.call('tee', '-a', '/sys/class/scsi_host/host7/scan',
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process_input='6 7 1',
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root_helper=None, run_as_root=True)]
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execute_mock.assert_has_calls(expected_commands)
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self.assertEqual(len(expected_commands), execute_mock.call_count)
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expected_calls = [mock.call(hbas[0], con_props),
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mock.call(hbas[1], con_props)]
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mock_get_chan.assert_has_calls(expected_calls)
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def test_rescan_hosts_initiator_map_single_wwnn(self):
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"""Test FC rescan with initiator map and single WWNN."""
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get_chan_results = [[['2', '3', 1], ['4', '5', 1]], [['-', '-', 1]]]
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hbas, con_props = self.__get_rescan_info(zone_manager=True)
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with mock.patch.object(self.lfc, '_execute',
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return_value=None) as execute_mock, \
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mock.patch.object(self.lfc, '_get_hba_channel_scsi_target',
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side_effect=get_chan_results) as mock_get_chan:
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self.lfc.rescan_hosts(hbas, con_props)
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expected_commands = [
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='2 3 1',
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root_helper=None, run_as_root=True),
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='4 5 1',
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root_helper=None, run_as_root=True)]
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execute_mock.assert_has_calls(expected_commands)
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self.assertEqual(len(expected_commands), execute_mock.call_count)
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expected_calls = [mock.call(hbas[0], con_props),
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mock.call(hbas[1], con_props)]
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mock_get_chan.assert_has_calls(expected_calls)
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def test_rescan_hosts_wildcard(self):
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"""Test when we don't have initiator map or target is single WWNN."""
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get_chan_results = [[['-', '-', 1]], [['-', '-', 1]]]
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hbas, con_props = self.__get_rescan_info(zone_manager=True)
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# Remove the initiator map
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con_props.pop('initiator_target_map')
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con_props.pop('initiator_target_lun_map')
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with mock.patch.object(self.lfc, '_get_hba_channel_scsi_target',
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side_effect=get_chan_results), \
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mock.patch.object(self.lfc, '_execute',
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side_effect=None) as execute_mock:
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self.lfc.rescan_hosts(hbas, con_props)
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expected_commands = [
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mock.call('tee', '-a', '/sys/class/scsi_host/host6/scan',
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process_input='- - 1',
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root_helper=None, run_as_root=True),
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mock.call('tee', '-a', '/sys/class/scsi_host/host7/scan',
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process_input='- - 1',
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root_helper=None, run_as_root=True)]
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execute_mock.assert_has_calls(expected_commands)
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self.assertEqual(len(expected_commands), execute_mock.call_count)
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def test_get_fc_hbas_fail(self):
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def fake_exec1(a, b, c, d, run_as_root=True, root_helper='sudo'):
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raise OSError
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def fake_exec2(a, b, c, d, run_as_root=True, root_helper='sudo'):
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return None, 'None found'
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self.lfc._execute = fake_exec1
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hbas = self.lfc.get_fc_hbas()
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self.assertEqual(0, len(hbas))
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self.lfc._execute = fake_exec2
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hbas = self.lfc.get_fc_hbas()
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self.assertEqual(0, len(hbas))
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def test_get_fc_hbas(self):
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def fake_exec(a, b, c, d, run_as_root=True, root_helper='sudo'):
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return SYSTOOL_FC, None
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self.lfc._execute = fake_exec
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hbas = self.lfc.get_fc_hbas()
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self.assertEqual(2, len(hbas))
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hba1 = hbas[0]
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self.assertEqual("host0", hba1["ClassDevice"])
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hba2 = hbas[1]
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self.assertEqual("host2", hba2["ClassDevice"])
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def test_get_fc_hbas_info(self):
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def fake_exec(a, b, c, d, run_as_root=True, root_helper='sudo'):
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return SYSTOOL_FC, None
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self.lfc._execute = fake_exec
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hbas_info = self.lfc.get_fc_hbas_info()
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expected_info = [{'device_path': '/sys/devices/pci0000:20/'
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'0000:20:03.0/0000:21:00.0/'
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'host0/fc_host/host0',
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'host_device': 'host0',
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'node_name': '50014380242b9751',
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'port_name': '50014380242b9750'},
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{'device_path': '/sys/devices/pci0000:20/'
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'0000:20:03.0/0000:21:00.1/'
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'host2/fc_host/host2',
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'host_device': 'host2',
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'node_name': '50014380242b9753',
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'port_name': '50014380242b9752'}, ]
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self.assertEqual(expected_info, hbas_info)
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def test_get_fc_wwpns(self):
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def fake_exec(a, b, c, d, run_as_root=True, root_helper='sudo'):
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return SYSTOOL_FC, None
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self.lfc._execute = fake_exec
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wwpns = self.lfc.get_fc_wwpns()
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expected_wwpns = ['50014380242b9750', '50014380242b9752']
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self.assertEqual(expected_wwpns, wwpns)
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def test_get_fc_wwnns(self):
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def fake_exec(a, b, c, d, run_as_root=True, root_helper='sudo'):
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return SYSTOOL_FC, None
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self.lfc._execute = fake_exec
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wwnns = self.lfc.get_fc_wwpns()
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expected_wwnns = ['50014380242b9750', '50014380242b9752']
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self.assertEqual(expected_wwnns, wwnns)
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SYSTOOL_FC = """
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Class = "fc_host"
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Class Device = "host0"
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Class Device path = "/sys/devices/pci0000:20/0000:20:03.0/\
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0000:21:00.0/host0/fc_host/host0"
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dev_loss_tmo = "16"
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fabric_name = "0x100000051ea338b9"
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issue_lip = <store method only>
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max_npiv_vports = "0"
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node_name = "0x50014380242b9751"
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npiv_vports_inuse = "0"
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port_id = "0x960d0d"
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port_name = "0x50014380242b9750"
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port_state = "Online"
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port_type = "NPort (fabric via point-to-point)"
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speed = "8 Gbit"
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supported_classes = "Class 3"
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supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit"
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symbolic_name = "QMH2572 FW:v4.04.04 DVR:v8.03.07.12-k"
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system_hostname = ""
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tgtid_bind_type = "wwpn (World Wide Port Name)"
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uevent =
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vport_create = <store method only>
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vport_delete = <store method only>
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Device = "host0"
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Device path = "/sys/devices/pci0000:20/0000:20:03.0/0000:21:00.0/host0"
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edc = <store method only>
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optrom_ctl = <store method only>
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reset = <store method only>
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uevent = "DEVTYPE=scsi_host"
|
|
|
|
|
|
Class Device = "host2"
|
|
Class Device path = "/sys/devices/pci0000:20/0000:20:03.0/\
|
|
0000:21:00.1/host2/fc_host/host2"
|
|
dev_loss_tmo = "16"
|
|
fabric_name = "0x100000051ea33b79"
|
|
issue_lip = <store method only>
|
|
max_npiv_vports = "0"
|
|
node_name = "0x50014380242b9753"
|
|
npiv_vports_inuse = "0"
|
|
port_id = "0x970e09"
|
|
port_name = "0x50014380242b9752"
|
|
port_state = "Online"
|
|
port_type = "NPort (fabric via point-to-point)"
|
|
speed = "8 Gbit"
|
|
supported_classes = "Class 3"
|
|
supported_speeds = "1 Gbit, 2 Gbit, 4 Gbit, 8 Gbit"
|
|
symbolic_name = "QMH2572 FW:v4.04.04 DVR:v8.03.07.12-k"
|
|
system_hostname = ""
|
|
tgtid_bind_type = "wwpn (World Wide Port Name)"
|
|
uevent =
|
|
vport_create = <store method only>
|
|
vport_delete = <store method only>
|
|
|
|
Device = "host2"
|
|
Device path = "/sys/devices/pci0000:20/0000:20:03.0/0000:21:00.1/host2"
|
|
edc = <store method only>
|
|
optrom_ctl = <store method only>
|
|
reset = <store method only>
|
|
uevent = "DEVTYPE=scsi_host"
|
|
|
|
|
|
"""
|
|
|
|
|
|
class LinuxFCS390XTestCase(LinuxFCTestCase):
|
|
|
|
def setUp(self):
|
|
super(LinuxFCS390XTestCase, self).setUp()
|
|
self.cmds = []
|
|
self.lfc = linuxfc.LinuxFibreChannelS390X(None,
|
|
execute=self.fake_execute)
|
|
|
|
def test_get_fc_hbas_info(self):
|
|
def fake_exec(a, b, c, d, run_as_root=True, root_helper='sudo'):
|
|
return SYSTOOL_FC_S390X, None
|
|
self.lfc._execute = fake_exec
|
|
hbas_info = self.lfc.get_fc_hbas_info()
|
|
expected = [{'device_path': '/sys/devices/css0/0.0.02ea/'
|
|
'0.0.3080/host0/fc_host/host0',
|
|
'host_device': 'host0',
|
|
'node_name': '1234567898765432',
|
|
'port_name': 'c05076ffe680a960'}]
|
|
self.assertEqual(expected, hbas_info)
|
|
|
|
@mock.patch.object(os.path, 'exists', return_value=False)
|
|
def test_configure_scsi_device(self, mock_execute):
|
|
device_number = "0.0.2319"
|
|
target_wwn = "0x50014380242b9751"
|
|
lun = 1
|
|
self.lfc.configure_scsi_device(device_number, target_wwn, lun)
|
|
expected_commands = [('tee -a /sys/bus/ccw/drivers/zfcp/0.0.2319/'
|
|
'port_rescan'),
|
|
('tee -a /sys/bus/ccw/drivers/zfcp/0.0.2319/'
|
|
'0x50014380242b9751/unit_add')]
|
|
self.assertEqual(expected_commands, self.cmds)
|
|
|
|
def test_deconfigure_scsi_device(self):
|
|
device_number = "0.0.2319"
|
|
target_wwn = "0x50014380242b9751"
|
|
lun = 1
|
|
self.lfc.deconfigure_scsi_device(device_number, target_wwn, lun)
|
|
expected_commands = [('tee -a /sys/bus/ccw/drivers/zfcp/'
|
|
'0.0.2319/0x50014380242b9751/unit_remove')]
|
|
self.assertEqual(expected_commands, self.cmds)
|
|
|
|
SYSTOOL_FC_S390X = """
|
|
Class = "fc_host"
|
|
|
|
Class Device = "host0"
|
|
Class Device path = "/sys/devices/css0/0.0.02ea/0.0.3080/host0/fc_host/host0"
|
|
active_fc4s = "0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 \
|
|
0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 \
|
|
0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 "
|
|
dev_loss_tmo = "60"
|
|
maxframe_size = "2112 bytes"
|
|
node_name = "0x1234567898765432"
|
|
permanent_port_name = "0xc05076ffe6803081"
|
|
port_id = "0x010014"
|
|
port_name = "0xc05076ffe680a960"
|
|
port_state = "Online"
|
|
port_type = "NPIV VPORT"
|
|
serial_number = "IBM00000000000P30"
|
|
speed = "8 Gbit"
|
|
supported_classes = "Class 2, Class 3"
|
|
supported_fc4s = "0x00 0x00 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 \
|
|
0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 \
|
|
0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 "
|
|
supported_speeds = "2 Gbit, 4 Gbit"
|
|
symbolic_name = "IBM 2827 00000000000P30 \
|
|
PCHID: 0308 NPIV UlpId: 01EA0A00 DEVNO: 0.0.1234 NAME: dummy"
|
|
tgtid_bind_type = "wwpn (World Wide Port Name)"
|
|
uevent =
|
|
|
|
Device = "host0"
|
|
Device path = "/sys/devices/css0/0.0.02ea/0.0.3080/host0"
|
|
uevent = "DEVTYPE=scsi_host"
|
|
|
|
"""
|