コード例 #1
0
    def test_export_missing(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "export", self.pool_name))

        self.assertIsNone(self.blockdevice.export())
        self.assertRanAllCommandsInOrder()
コード例 #2
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    def test_export_success(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zpool', 'export', self.pool_name))

        self.assertIsNone(self.blockdevice.export())
        self.assertRanAllCommandsInOrder()
コード例 #3
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    def test_import_success_non_pacemaker(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "import", self.pool_name))

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()
コード例 #4
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    def test_import_existing_readonly(self):
        props = re.sub(r"readonly\s+off", "readonly    on",
                       example_data.zpool_example_properties)

        self.add_commands(
            CommandCaptureCommand(
                ("zpool", "import", self.pool_name),
                rc=1,
                stderr=
                "cannot import '%s': a pool with that name already exists\n"
                "use the form 'zpool import <pool | id> <newpool>' to give it "
                "a new name\n",
                executions_remaining=1,
            ),
            CommandCaptureCommand(
                ("zpool", "get", "-Hp", "all", self.pool_name),
                stdout=props,
                executions_remaining=1),
            CommandCaptureCommand(("zpool", "export", self.pool_name)),
            CommandCaptureCommand(("zpool", "import", self.pool_name),
                                  executions_remaining=1),
            CommandCaptureCommand(
                ("zpool", "get", "-Hp", "all", self.pool_name),
                stdout=example_data.zpool_example_properties),
        )

        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()
コード例 #5
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    def test_import_success_with_pacemaker(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "import", "-f",
                          self.blockdevice._device_path.split("/")[0]))

        self.assertIsNone(self.blockdevice.import_(True))
        self.assertRanAllCommandsInOrder()
コード例 #6
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    def test_import_success_with_pacemaker(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zpool', 'import', '-f',
                          self.blockdevice._device_path.split('/')[0]))

        self.assertIsNone(self.blockdevice.import_(True))
        self.assertRanAllCommandsInOrder()
コード例 #7
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    def test_import_existing_non_pacemaker(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(('zpool', 'import', self.pool_name)))

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()
コード例 #8
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    def test_property_values(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zfs', 'get', '-Hp', '-o', 'property,value', 'all',
                          self.blockdevice._device_path),
                         stdout=example_data.zfs_example_properties)

        zfs_properties = self.blockdevice.zfs_properties(False)

        self.assertEqual(zfs_properties['lustre:fsname'], 'efs')
        self.assertEqual(zfs_properties['lustre:svname'], 'efs-MDT0000')
        self.assertEqual(zfs_properties['lustre:flags'], '37')
        self.assertRanAllCommandsInOrder()
コード例 #9
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    def test_purge_filesystem_information(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(('lctl', 'erase_lcfg', 'testfs')))

        with mock.patch.object(glob,
                               'glob',
                               return_value=['testfs-a', 'testfs-b']):
            result = self.blockdevice.purge_filesystem_configuration(
                'testfs', None)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()
コード例 #10
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    def test_targets(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zfs', 'get', '-Hp', '-o', 'property,value', 'all',
                          self.blockdevice._device_path),
                         stdout=example_data.zfs_example_properties)

        target_info = self.blockdevice.targets(None, None, None)

        self.assertIn('efs-MDT0000', target_info.names)
        self.assertEqual(target_info.params['fsname'], ['efs'])
        self.assertEqual(target_info.params['svname'], ['efs-MDT0000'])
        self.assertEqual(target_info.params['flags'], ['37'])
        self.assertRanAllCommandsInOrder()
コード例 #11
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    def test_purge_filesystem_information(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(("lctl", "erase_lcfg", "testfs")))

        with mock.patch.object(glob,
                               "glob",
                               return_value=["testfs-a", "testfs-b"]):
            result = self.blockdevice.purge_filesystem_configuration(
                "testfs", None)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()
コード例 #12
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    def test_property_values(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(
            ("zfs", "get", "-Hp", "-o", "property,value", "all",
             self.blockdevice._device_path),
            stdout=example_data.zfs_example_properties,
        )

        zfs_properties = self.blockdevice.zfs_properties(False)

        self.assertEqual(zfs_properties["lustre:fsname"], "efs")
        self.assertEqual(zfs_properties["lustre:svname"], "efs-MDT0000")
        self.assertEqual(zfs_properties["lustre:flags"], "37")
        self.assertRanAllCommandsInOrder()
コード例 #13
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    def test_targets(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(
            ("zfs", "get", "-Hp", "-o", "property,value", "all",
             self.blockdevice._device_path),
            stdout=example_data.zfs_example_properties,
        )

        target_info = self.blockdevice.targets(None, None, None)

        self.assertIn("efs-MDT0000", target_info.names)
        self.assertEqual(target_info.params["fsname"], ["efs"])
        self.assertEqual(target_info.params["svname"], ["efs-MDT0000"])
        self.assertEqual(target_info.params["flags"], ["37"])
        self.assertRanAllCommandsInOrder()
コード例 #14
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    def test_initialise_driver(self):
        self.add_commands(CommandCaptureCommand(("genhostid", )))

        with mock.patch.object(path, "isfile", return_value=False):
            result = BlockDeviceZfs.initialise_driver(True)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()
コード例 #15
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    def setUp(self):
        super(TestBlockDeviceZfs, self).setUp()

        self.mock_makedirs = mock.Mock()
        self.mock_remove = mock.Mock()
        mock.patch("os.makedirs", self.mock_makedirs).start()
        mock.patch("os.remove", self.mock_remove).start()
        self.patch_init_modules = mock.patch.object(BlockDeviceZfs,
                                                    "_check_module")
        self.patch_init_modules.start()
        self.mock_open = mock.mock_open()
        mock.patch("__builtin__.open", self.mock_open, create=True).start()

        self.blockdevice = BlockDeviceZfs("zfs", self.pool_name)

        self.reset_command_capture()
        self.reset_command_capture_logs()
        self.addCleanup(mock.patch.stopall)
コード例 #16
0
    def test_initialise_driver_fail_genhostid(self):
        self.add_commands(
            CommandCaptureCommand(("genhostid", ),
                                  rc=1,
                                  stderr="sample genhostid error text"))

        with mock.patch.object(path, "isfile", return_value=False):
            result = BlockDeviceZfs.initialise_driver(True)

        self.assertIn("sample genhostid error text", result)
        self.assertRanAllCommandsInOrder()
コード例 #17
0
class TestBlockDeviceZfs(BaseTestBD.BaseTestBlockDevice):
    pool_name = 'zfs_pool_devdiskbyidscsi0QEMU_QEMU_HARDDISK_WDWMAP3333333'
    dataset_path = '/'.join([pool_name, 'ost_index0'])

    rpm_qi_zfs_stdout = """Name        : zfs
Version     : 0.6.5.7
Release     : 1.el7
Architecture: x86_64
Install Date: Wed 05 Oct 2016 07:59:50 PDT
Group       : System Environment/Kernel
Size        : 819698
License     : CDDL
Signature   : (none)
Source RPM  : zfs-0.6.5.7-1.el7.src.rpm
Build Date  : Sat 20 Aug 2016 09:34:50 PDT
Build Host  : onyx-1-sdg1-el7-x8664.onyx.hpdd.intel.com
Relocations : (not relocatable)
URL         : http://zfsonlinux.org/
Summary     : Commands to control the kernel modules and libraries
Description :
This package contains the ZFS command line utilities.
"""

    rpm_qi_spl_stdout = """[root@lotus-33vm18 ~]# rpm -qi spl
Name        : spl
Version     : 1.2.3.4
Release     : 1.el7
Architecture: x86_64
Install Date: Wed 05 Oct 2016 08:35:27 PDT
Group       : System Environment/Kernel
Size        : 49120
License     : GPLv2+
Signature   : (none)
Source RPM  : spl-0.6.5.7-1.el7.src.rpm
Build Date  : Sat 20 Aug 2016 09:31:43 PDT
Build Host  : onyx-1-sdg1-el7-x8664.onyx.hpdd.intel.com
Relocations : (not relocatable)
URL         : http://zfsonlinux.org/
Summary     : Commands to control the kernel modules
Description :
This package contains the commands to verify the SPL
kernel modules are functioning properly.
"""

    zpool_properties = '-\tsize\t68G\t-\n' \
                       '-\thealth\tONLINE\t-\n' \
                       '-\tcachefile\t-\t-\n' \
                       '-\treadonly\toff\t-\n'
    zpool_properties_readonly = '-\tsize\t68G\t-\n' \
                                '-\thealth\tONLINE\t-\n' \
                                '-\tcachefile\t-\t-\n' \
                                '-\treadonly\ton\t-\n'

    def setUp(self):
        super(TestBlockDeviceZfs, self).setUp()

        self.mock_makedirs = mock.Mock()
        self.mock_remove = mock.Mock()
        mock.patch('os.makedirs', self.mock_makedirs).start()
        mock.patch('os.remove', self.mock_remove).start()
        self.patch_init_modules = mock.patch.object(BlockDeviceZfs,
                                                    '_check_module')
        self.patch_init_modules.start()
        self.mock_open = mock.mock_open()
        mock.patch('__builtin__.open', self.mock_open, create=True).start()

        self.blockdevice = BlockDeviceZfs('zfs', self.pool_name)

        self.reset_command_capture()
        self.reset_command_capture_logs()
        self.addCleanup(mock.patch.stopall)

    def test_check_module(self):
        self.patch_init_modules.stop()

        self.add_commands(
            CommandCaptureCommand(
                ('/usr/sbin/udevadm', 'info', '--path=/module/zfs')))

        self.blockdevice._check_module()

        self.assertRanAllCommandsInOrder()

    def test_filesystem_type_unoccupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(('zfs', 'list', '-H', '-o', 'name', '-r',
                          self.blockdevice._device_path),
                         stdout=self.blockdevice._device_path)

        self.assertEqual(None, self.blockdevice.filesystem_type)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_type_occupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(('zfs', 'list', '-H', '-o', 'name', '-r',
                          self.blockdevice._device_path),
                         stdout='%(pool)s\n%(pool)s/dataset_1' %
                         {'pool': self.blockdevice._device_path})

        self.assertEqual('zfs', self.blockdevice.filesystem_type)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_info_unoccupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(('zfs', 'list', '-H', '-o', 'name', '-r',
                          self.blockdevice._device_path),
                         stdout=self.blockdevice._device_path)

        self.assertEqual(None, self.blockdevice.filesystem_info)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_info_occupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(('zfs', 'list', '-H', '-o', 'name', '-r',
                          self.blockdevice._device_path),
                         stdout='%(pool)s\n%(pool)s/dataset_1' %
                         {'pool': self.blockdevice._device_path})

        self.assertEqual(
            "Dataset 'dataset_1' found on zpool '%s'" %
            self.blockdevice._device_path, self.blockdevice.filesystem_info)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_info_occupied_multiple(self):
        # this should be called with device_path referencing a zpool
        self.add_command(
            ('zfs', 'list', '-H', '-o', 'name', '-r',
             self.blockdevice._device_path),
            stdout='%(pool)s\n%(pool)s/dataset_1\n%(pool)s/dataset_2' %
            {'pool': self.blockdevice._device_path})

        self.assertEqual(
            "Datasets 'dataset_1,dataset_2' found on zpool '%s'" %
            self.blockdevice._device_path, self.blockdevice.filesystem_info)
        self.assertRanAllCommandsInOrder()

    def test_uuid(self):
        self.add_command(('zfs', 'get', '-H', '-o', 'value', 'guid',
                          self.blockdevice._device_path),
                         stdout='169883839435093209\n')

        self.assertEqual('169883839435093209', self.blockdevice.uuid)
        self.assertRanAllCommandsInOrder()

    def test_preferred_fstype(self):
        self.assertEqual('zfs', self.blockdevice.preferred_fstype)

    def test_device_type(self):
        self.assertEqual('zfs', self.blockdevice.device_type)

    def test_device_path(self):
        self.assertEqual(self.pool_name, self.blockdevice._device_path)

    def test_mgs_targets(self):
        self.assertEqual({}, self.blockdevice.mgs_targets(None))

    def test_import_success_non_pacemaker(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zpool', 'import', self.pool_name))

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()

    def test_import_existing_readonly(self):
        props = re.sub(r'readonly\s+off', 'readonly    on',
                       example_data.zpool_example_properties)

        self.add_commands(
            CommandCaptureCommand(
                ('zpool', 'import', self.pool_name),
                rc=1,
                stderr=
                "cannot import '%s': a pool with that name already exists\n"
                "use the form 'zpool import <pool | id> <newpool>' to give it "
                "a new name\n",
                executions_remaining=1),
            CommandCaptureCommand(
                ('zpool', 'get', '-Hp', 'all', self.pool_name),
                stdout=props,
                executions_remaining=1),
            CommandCaptureCommand(('zpool', 'export', self.pool_name)),
            CommandCaptureCommand(('zpool', 'import', self.pool_name),
                                  executions_remaining=1),
            CommandCaptureCommand(
                ('zpool', 'get', '-Hp', 'all', self.pool_name),
                stdout=example_data.zpool_example_properties))

        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()

    def test_import_success_with_pacemaker(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zpool', 'import', '-f',
                          self.blockdevice._device_path.split('/')[0]))

        self.assertIsNone(self.blockdevice.import_(True))
        self.assertRanAllCommandsInOrder()

    def test_import_existing_non_pacemaker(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(('zpool', 'import', self.pool_name)))

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()

    def test_import_existing_with_pacemaker(self):
        self.test_import_existing_non_pacemaker()

    def test_export_success(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zpool', 'export', self.pool_name))

        self.assertIsNone(self.blockdevice.export())
        self.assertRanAllCommandsInOrder()

    def test_export_missing(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zpool', 'export', self.pool_name))

        self.assertIsNone(self.blockdevice.export())
        self.assertRanAllCommandsInOrder()

    def test_property_values(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zfs', 'get', '-Hp', '-o', 'property,value', 'all',
                          self.blockdevice._device_path),
                         stdout=example_data.zfs_example_properties)

        zfs_properties = self.blockdevice.zfs_properties(False)

        self.assertEqual(zfs_properties['lustre:fsname'], 'efs')
        self.assertEqual(zfs_properties['lustre:svname'], 'efs-MDT0000')
        self.assertEqual(zfs_properties['lustre:flags'], '37')
        self.assertRanAllCommandsInOrder()

    def test_targets(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_command(('zfs', 'get', '-Hp', '-o', 'property,value', 'all',
                          self.blockdevice._device_path),
                         stdout=example_data.zfs_example_properties)

        target_info = self.blockdevice.targets(None, None, None)

        self.assertIn('efs-MDT0000', target_info.names)
        self.assertEqual(target_info.params['fsname'], ['efs'])
        self.assertEqual(target_info.params['svname'], ['efs-MDT0000'])
        self.assertEqual(target_info.params['flags'], ['37'])
        self.assertRanAllCommandsInOrder()

    def test_purge_filesystem_information(self):
        self.blockdevice = BlockDeviceZfs('zfs', self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(('lctl', 'erase_lcfg', 'testfs')))

        with mock.patch.object(glob,
                               'glob',
                               return_value=['testfs-a', 'testfs-b']):
            result = self.blockdevice.purge_filesystem_configuration(
                'testfs', None)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()

    def test_initialise_driver(self):
        self.add_commands(CommandCaptureCommand(('genhostid', )))

        with mock.patch.object(path, 'isfile', return_value=False):
            result = BlockDeviceZfs.initialise_driver(True)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()

    def test_initialise_driver_fail_genhostid(self):
        self.add_commands(
            CommandCaptureCommand(('genhostid', ),
                                  rc=1,
                                  stderr='sample genhostid error text'))

        with mock.patch.object(path, 'isfile', return_value=False):
            result = BlockDeviceZfs.initialise_driver(True)

        self.assertIn('sample genhostid error text', result)
        self.assertRanAllCommandsInOrder()

    def test_initialise_driver_monitor_mode(self):
        result = BlockDeviceZfs.initialise_driver(False)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()
コード例 #18
0
    def test_initialise_driver_monitor_mode(self):
        result = BlockDeviceZfs.initialise_driver(False)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()
コード例 #19
0
class TestBlockDeviceZfs(BaseTestBD.BaseTestBlockDevice):
    pool_name = "zfs_pool_devdiskbyidscsi0QEMU_QEMU_HARDDISK_WDWMAP3333333"
    dataset_path = "/".join([pool_name, "ost_index0"])

    rpm_qi_zfs_stdout = """Name        : zfs
Version     : 0.6.5.7
Release     : 1.el7
Architecture: x86_64
Install Date: Wed 05 Oct 2016 07:59:50 PDT
Group       : System Environment/Kernel
Size        : 819698
License     : CDDL
Signature   : (none)
Source RPM  : zfs-0.6.5.7-1.el7.src.rpm
Build Date  : Sat 20 Aug 2016 09:34:50 PDT
Build Host  : onyx-1-sdg1-el7-x8664.onyx.hpdd.intel.com
Relocations : (not relocatable)
URL         : http://zfsonlinux.org/
Summary     : Commands to control the kernel modules and libraries
Description :
This package contains the ZFS command line utilities.
"""

    rpm_qi_spl_stdout = """[root@lotus-33vm18 ~]# rpm -qi spl
Name        : spl
Version     : 1.2.3.4
Release     : 1.el7
Architecture: x86_64
Install Date: Wed 05 Oct 2016 08:35:27 PDT
Group       : System Environment/Kernel
Size        : 49120
License     : GPLv2+
Signature   : (none)
Source RPM  : spl-0.6.5.7-1.el7.src.rpm
Build Date  : Sat 20 Aug 2016 09:31:43 PDT
Build Host  : onyx-1-sdg1-el7-x8664.onyx.hpdd.intel.com
Relocations : (not relocatable)
URL         : http://zfsonlinux.org/
Summary     : Commands to control the kernel modules
Description :
This package contains the commands to verify the SPL
kernel modules are functioning properly.
"""

    zpool_properties = "-\tsize\t68G\t-\n" "-\thealth\tONLINE\t-\n" "-\tcachefile\t-\t-\n" "-\treadonly\toff\t-\n"
    zpool_properties_readonly = ("-\tsize\t68G\t-\n"
                                 "-\thealth\tONLINE\t-\n"
                                 "-\tcachefile\t-\t-\n"
                                 "-\treadonly\ton\t-\n")

    def setUp(self):
        super(TestBlockDeviceZfs, self).setUp()

        self.mock_makedirs = mock.Mock()
        self.mock_remove = mock.Mock()
        mock.patch("os.makedirs", self.mock_makedirs).start()
        mock.patch("os.remove", self.mock_remove).start()
        self.patch_init_modules = mock.patch.object(BlockDeviceZfs,
                                                    "_check_module")
        self.patch_init_modules.start()
        self.mock_open = mock.mock_open()
        mock.patch("__builtin__.open", self.mock_open, create=True).start()

        self.blockdevice = BlockDeviceZfs("zfs", self.pool_name)

        self.reset_command_capture()
        self.reset_command_capture_logs()
        self.addCleanup(mock.patch.stopall)

    def test_check_module(self):
        self.patch_init_modules.stop()

        self.add_commands(
            CommandCaptureCommand(
                ("/usr/sbin/udevadm", "info", "--path=/module/zfs")))

        self.blockdevice._check_module()

        self.assertRanAllCommandsInOrder()

    def test_filesystem_type_unoccupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(
            ("zfs", "list", "-H", "-o", "name", "-r",
             self.blockdevice._device_path),
            stdout=self.blockdevice._device_path,
        )

        self.assertEqual(None, self.blockdevice.filesystem_type)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_type_occupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(
            ("zfs", "list", "-H", "-o", "name", "-r",
             self.blockdevice._device_path),
            stdout="%(pool)s\n%(pool)s/dataset_1" %
            {"pool": self.blockdevice._device_path},
        )

        self.assertEqual("zfs", self.blockdevice.filesystem_type)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_info_unoccupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(
            ("zfs", "list", "-H", "-o", "name", "-r",
             self.blockdevice._device_path),
            stdout=self.blockdevice._device_path,
        )

        self.assertEqual(None, self.blockdevice.filesystem_info)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_info_occupied(self):
        # this should be called with device_path referencing a zpool
        self.add_command(
            ("zfs", "list", "-H", "-o", "name", "-r",
             self.blockdevice._device_path),
            stdout="%(pool)s\n%(pool)s/dataset_1" %
            {"pool": self.blockdevice._device_path},
        )

        self.assertEqual(
            "Dataset 'dataset_1' found on zpool '%s'" %
            self.blockdevice._device_path, self.blockdevice.filesystem_info)
        self.assertRanAllCommandsInOrder()

    def test_filesystem_info_occupied_multiple(self):
        # this should be called with device_path referencing a zpool
        self.add_command(
            ("zfs", "list", "-H", "-o", "name", "-r",
             self.blockdevice._device_path),
            stdout="%(pool)s\n%(pool)s/dataset_1\n%(pool)s/dataset_2" %
            {"pool": self.blockdevice._device_path},
        )

        self.assertEqual(
            "Datasets 'dataset_1,dataset_2' found on zpool '%s'" %
            self.blockdevice._device_path,
            self.blockdevice.filesystem_info,
        )
        self.assertRanAllCommandsInOrder()

    def test_uuid(self):
        self.add_command(("zfs", "get", "-H", "-o", "value", "guid",
                          self.blockdevice._device_path),
                         stdout="169883839435093209\n")

        self.assertEqual("169883839435093209", self.blockdevice.uuid)
        self.assertRanAllCommandsInOrder()

    def test_preferred_fstype(self):
        self.assertEqual("zfs", self.blockdevice.preferred_fstype)

    def test_device_type(self):
        self.assertEqual("zfs", self.blockdevice.device_type)

    def test_device_path(self):
        self.assertEqual(self.pool_name, self.blockdevice._device_path)

    def test_mgs_targets(self):
        self.assertEqual({}, self.blockdevice.mgs_targets(None))

    def test_import_success_non_pacemaker(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "import", self.pool_name))

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()

    def test_import_existing_readonly(self):
        props = re.sub(r"readonly\s+off", "readonly    on",
                       example_data.zpool_example_properties)

        self.add_commands(
            CommandCaptureCommand(
                ("zpool", "import", self.pool_name),
                rc=1,
                stderr=
                "cannot import '%s': a pool with that name already exists\n"
                "use the form 'zpool import <pool | id> <newpool>' to give it "
                "a new name\n",
                executions_remaining=1,
            ),
            CommandCaptureCommand(
                ("zpool", "get", "-Hp", "all", self.pool_name),
                stdout=props,
                executions_remaining=1),
            CommandCaptureCommand(("zpool", "export", self.pool_name)),
            CommandCaptureCommand(("zpool", "import", self.pool_name),
                                  executions_remaining=1),
            CommandCaptureCommand(
                ("zpool", "get", "-Hp", "all", self.pool_name),
                stdout=example_data.zpool_example_properties),
        )

        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()

    def test_import_success_with_pacemaker(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "import", "-f",
                          self.blockdevice._device_path.split("/")[0]))

        self.assertIsNone(self.blockdevice.import_(True))
        self.assertRanAllCommandsInOrder()

    def test_import_existing_non_pacemaker(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(("zpool", "import", self.pool_name)))

        self.assertIsNone(self.blockdevice.import_(False))
        self.assertRanAllCommandsInOrder()

    def test_import_existing_with_pacemaker(self):
        self.test_import_existing_non_pacemaker()

    def test_export_success(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "export", self.pool_name))

        self.assertIsNone(self.blockdevice.export())
        self.assertRanAllCommandsInOrder()

    def test_export_missing(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(("zpool", "export", self.pool_name))

        self.assertIsNone(self.blockdevice.export())
        self.assertRanAllCommandsInOrder()

    def test_property_values(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(
            ("zfs", "get", "-Hp", "-o", "property,value", "all",
             self.blockdevice._device_path),
            stdout=example_data.zfs_example_properties,
        )

        zfs_properties = self.blockdevice.zfs_properties(False)

        self.assertEqual(zfs_properties["lustre:fsname"], "efs")
        self.assertEqual(zfs_properties["lustre:svname"], "efs-MDT0000")
        self.assertEqual(zfs_properties["lustre:flags"], "37")
        self.assertRanAllCommandsInOrder()

    def test_targets(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_command(
            ("zfs", "get", "-Hp", "-o", "property,value", "all",
             self.blockdevice._device_path),
            stdout=example_data.zfs_example_properties,
        )

        target_info = self.blockdevice.targets(None, None, None)

        self.assertIn("efs-MDT0000", target_info.names)
        self.assertEqual(target_info.params["fsname"], ["efs"])
        self.assertEqual(target_info.params["svname"], ["efs-MDT0000"])
        self.assertEqual(target_info.params["flags"], ["37"])
        self.assertRanAllCommandsInOrder()

    def test_purge_filesystem_information(self):
        self.blockdevice = BlockDeviceZfs("zfs", self.dataset_path)

        self.add_commands(
            CommandCaptureCommand(("lctl", "erase_lcfg", "testfs")))

        with mock.patch.object(glob,
                               "glob",
                               return_value=["testfs-a", "testfs-b"]):
            result = self.blockdevice.purge_filesystem_configuration(
                "testfs", None)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()

    def test_initialise_driver(self):
        self.add_commands(CommandCaptureCommand(("genhostid", )))

        with mock.patch.object(path, "isfile", return_value=False):
            result = BlockDeviceZfs.initialise_driver(True)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()

    def test_initialise_driver_fail_genhostid(self):
        self.add_commands(
            CommandCaptureCommand(("genhostid", ),
                                  rc=1,
                                  stderr="sample genhostid error text"))

        with mock.patch.object(path, "isfile", return_value=False):
            result = BlockDeviceZfs.initialise_driver(True)

        self.assertIn("sample genhostid error text", result)
        self.assertRanAllCommandsInOrder()

    def test_initialise_driver_monitor_mode(self):
        result = BlockDeviceZfs.initialise_driver(False)

        self.assertEqual(result, None)
        self.assertRanAllCommandsInOrder()