656 lines
28 KiB
Python
656 lines
28 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
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import os.path
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import textwrap
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import time
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import mock
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from oslo_log import log as logging
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from os_brick import exception
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from os_brick.initiator import linuxscsi
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from os_brick.tests import base
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LOG = logging.getLogger(__name__)
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class LinuxSCSITestCase(base.TestCase):
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def setUp(self):
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super(LinuxSCSITestCase, self).setUp()
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self.cmds = []
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self.mock_object(os.path, 'realpath', return_value='/dev/sdc')
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self.mock_object(os, 'stat', returns=os.stat(__file__))
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self.linuxscsi = linuxscsi.LinuxSCSI(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_echo_scsi_command(self):
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self.linuxscsi.echo_scsi_command("/some/path", "1")
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expected_commands = ['tee -a /some/path']
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self.assertEqual(expected_commands, self.cmds)
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@mock.patch.object(os.path, 'realpath')
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def test_get_name_from_path(self, realpath_mock):
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device_name = "/dev/sdc"
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realpath_mock.return_value = device_name
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disk_path = ("/dev/disk/by-path/ip-10.10.220.253:3260-"
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"iscsi-iqn.2000-05.com.3pardata:21810002ac00383d-lun-0")
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name = self.linuxscsi.get_name_from_path(disk_path)
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self.assertEqual(device_name, name)
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disk_path = ("/dev/disk/by-path/pci-0000:00:00.0-ip-10.9.8.7:3260-"
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"iscsi-iqn.2000-05.com.openstack:2180002ac00383d-lun-0")
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name = self.linuxscsi.get_name_from_path(disk_path)
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self.assertEqual(device_name, name)
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realpath_mock.return_value = "bogus"
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name = self.linuxscsi.get_name_from_path(disk_path)
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self.assertIsNone(name)
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@mock.patch.object(os.path, 'exists', return_value=False)
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def test_remove_scsi_device(self, exists_mock):
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self.linuxscsi.remove_scsi_device("/dev/sdc")
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expected_commands = []
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self.assertEqual(expected_commands, self.cmds)
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exists_mock.return_value = True
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self.linuxscsi.remove_scsi_device("/dev/sdc")
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expected_commands = [
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('blockdev --flushbufs /dev/sdc'),
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('tee -a /sys/block/sdc/device/delete')]
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self.assertEqual(expected_commands, self.cmds)
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@mock.patch('time.sleep')
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def test_wait_for_volume_removal(self, sleep_mock):
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fake_path = '/dev/disk/by-path/fake-iscsi-iqn-lun-0'
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exists_mock = mock.Mock()
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exists_mock.return_value = True
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os.path.exists = exists_mock
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self.assertRaises(exception.VolumePathNotRemoved,
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self.linuxscsi.wait_for_volume_removal,
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fake_path)
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exists_mock = mock.Mock()
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exists_mock.return_value = False
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os.path.exists = exists_mock
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self.linuxscsi.wait_for_volume_removal(fake_path)
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expected_commands = []
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self.assertEqual(expected_commands, self.cmds)
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self.assertTrue(sleep_mock.called)
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def test_flush_multipath_device(self):
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self.linuxscsi.flush_multipath_device('/dev/dm-9')
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expected_commands = [('multipath -f /dev/dm-9')]
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self.assertEqual(expected_commands, self.cmds)
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def test_flush_multipath_devices(self):
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self.linuxscsi.flush_multipath_devices()
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expected_commands = [('multipath -F')]
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self.assertEqual(expected_commands, self.cmds)
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def test_get_scsi_wwn(self):
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fake_path = '/dev/disk/by-id/somepath'
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fake_wwn = '1234567890'
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def fake_execute(*cmd, **kwargs):
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return fake_wwn, None
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self.linuxscsi._execute = fake_execute
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wwn = self.linuxscsi.get_scsi_wwn(fake_path)
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self.assertEqual(fake_wwn, wwn)
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@mock.patch.object(os.path, 'exists', return_value=True)
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def test_find_multipath_device_path(self, exists_mock):
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fake_wwn = '1234567890'
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found_path = self.linuxscsi.find_multipath_device_path(fake_wwn)
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expected_path = '/dev/disk/by-id/dm-uuid-mpath-%s' % fake_wwn
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self.assertEqual(expected_path, found_path)
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@mock.patch('time.sleep')
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@mock.patch.object(os.path, 'exists')
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def test_find_multipath_device_path_mapper(self, exists_mock, sleep_mock):
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# the wait loop tries 3 times before it gives up
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# we want to test failing to find the
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# /dev/disk/by-id/dm-uuid-mpath-<WWN> path
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# but finding the
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# /dev/mapper/<WWN> path
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exists_mock.side_effect = [False, False, False, True]
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fake_wwn = '1234567890'
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found_path = self.linuxscsi.find_multipath_device_path(fake_wwn)
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expected_path = '/dev/mapper/%s' % fake_wwn
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self.assertEqual(expected_path, found_path)
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self.assertTrue(sleep_mock.called)
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@mock.patch.object(os.path, 'exists', return_value=False)
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@mock.patch.object(time, 'sleep')
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def test_find_multipath_device_path_fail(self, exists_mock, sleep_mock):
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fake_wwn = '1234567890'
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found_path = self.linuxscsi.find_multipath_device_path(fake_wwn)
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expected_path = None
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self.assertEqual(expected_path, found_path)
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@mock.patch.object(os.path, 'exists', return_value=False)
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@mock.patch.object(time, 'sleep')
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def test_wait_for_path_not_found(self, exists_mock, sleep_mock):
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path = "/dev/disk/by-id/dm-uuid-mpath-%s" % '1234567890'
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self.assertRaisesRegexp(exception.VolumeDeviceNotFound,
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r'Volume device not found at %s' % path,
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self.linuxscsi.wait_for_path,
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path)
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@mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device')
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@mock.patch.object(os.path, 'exists', return_value=True)
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def test_remove_multipath_device(self, exists_mock, mock_multipath):
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def fake_find_multipath_device(device):
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devices = [{'device': '/dev/sde', 'host': 0,
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'channel': 0, 'id': 0, 'lun': 1},
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{'device': '/dev/sdf', 'host': 2,
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'channel': 0, 'id': 0, 'lun': 1}, ]
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info = {"device": "dm-3",
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"id": "350002ac20398383d",
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"name": "mpatha",
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"devices": devices}
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return info
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mock_multipath.side_effect = fake_find_multipath_device
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self.linuxscsi.remove_multipath_device('/dev/dm-3')
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expected_commands = [
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('multipath -f mpatha'),
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('blockdev --flushbufs /dev/sde'),
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('tee -a /sys/block/sde/device/delete'),
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('blockdev --flushbufs /dev/sdf'),
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('tee -a /sys/block/sdf/device/delete'), ]
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self.assertEqual(expected_commands, self.cmds)
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def test_find_multipath_device_3par_ufn(self):
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def fake_execute(*cmd, **kwargs):
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out = ("mpath6 (350002ac20398383d) dm-3 3PARdata,VV\n"
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"size=2.0G features='0' hwhandler='0' wp=rw\n"
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"`-+- policy='round-robin 0' prio=-1 status=active\n"
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" |- 0:0:0:1 sde 8:64 active undef running\n"
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" `- 2:0:0:1 sdf 8:80 active undef running\n"
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)
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return out, None
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self.linuxscsi._execute = fake_execute
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info = self.linuxscsi.find_multipath_device('/dev/sde')
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self.assertEqual("350002ac20398383d", info["id"])
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self.assertEqual("mpath6", info["name"])
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self.assertEqual("/dev/mapper/mpath6", info["device"])
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self.assertEqual("/dev/sde", info['devices'][0]['device'])
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self.assertEqual("0", info['devices'][0]['host'])
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self.assertEqual("0", info['devices'][0]['id'])
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self.assertEqual("0", info['devices'][0]['channel'])
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self.assertEqual("1", info['devices'][0]['lun'])
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self.assertEqual("/dev/sdf", info['devices'][1]['device'])
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self.assertEqual("2", info['devices'][1]['host'])
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self.assertEqual("0", info['devices'][1]['id'])
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self.assertEqual("0", info['devices'][1]['channel'])
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self.assertEqual("1", info['devices'][1]['lun'])
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def test_find_multipath_device_svc(self):
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def fake_execute(*cmd, **kwargs):
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out = ("36005076da00638089c000000000004d5 dm-2 IBM,2145\n"
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"size=954M features='1 queue_if_no_path' hwhandler='0'"
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" wp=rw\n"
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"|-+- policy='round-robin 0' prio=-1 status=active\n"
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"| |- 6:0:2:0 sde 8:64 active undef running\n"
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"| `- 6:0:4:0 sdg 8:96 active undef running\n"
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"`-+- policy='round-robin 0' prio=-1 status=enabled\n"
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" |- 6:0:3:0 sdf 8:80 active undef running\n"
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" `- 6:0:5:0 sdh 8:112 active undef running\n"
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)
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return out, None
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self.linuxscsi._execute = fake_execute
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info = self.linuxscsi.find_multipath_device('/dev/sde')
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self.assertEqual("36005076da00638089c000000000004d5", info["id"])
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self.assertEqual("36005076da00638089c000000000004d5", info["name"])
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self.assertEqual("/dev/mapper/36005076da00638089c000000000004d5",
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info["device"])
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self.assertEqual("/dev/sde", info['devices'][0]['device'])
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self.assertEqual("6", info['devices'][0]['host'])
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self.assertEqual("0", info['devices'][0]['channel'])
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self.assertEqual("2", info['devices'][0]['id'])
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self.assertEqual("0", info['devices'][0]['lun'])
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self.assertEqual("/dev/sdf", info['devices'][2]['device'])
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self.assertEqual("6", info['devices'][2]['host'])
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self.assertEqual("0", info['devices'][2]['channel'])
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self.assertEqual("3", info['devices'][2]['id'])
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self.assertEqual("0", info['devices'][2]['lun'])
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def test_find_multipath_device_ds8000(self):
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def fake_execute(*cmd, **kwargs):
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out = ("36005076303ffc48e0000000000000101 dm-2 IBM,2107900\n"
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"size=1.0G features='1 queue_if_no_path' hwhandler='0'"
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" wp=rw\n"
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"`-+- policy='round-robin 0' prio=-1 status=active\n"
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" |- 6:0:2:0 sdd 8:64 active undef running\n"
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" `- 6:1:0:3 sdc 8:32 active undef running\n"
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)
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return out, None
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self.linuxscsi._execute = fake_execute
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info = self.linuxscsi.find_multipath_device('/dev/sdd')
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self.assertEqual("36005076303ffc48e0000000000000101", info["id"])
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self.assertEqual("36005076303ffc48e0000000000000101", info["name"])
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self.assertEqual("/dev/mapper/36005076303ffc48e0000000000000101",
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info["device"])
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self.assertEqual("/dev/sdd", info['devices'][0]['device'])
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self.assertEqual("6", info['devices'][0]['host'])
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self.assertEqual("0", info['devices'][0]['channel'])
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self.assertEqual("2", info['devices'][0]['id'])
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self.assertEqual("0", info['devices'][0]['lun'])
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self.assertEqual("/dev/sdc", info['devices'][1]['device'])
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self.assertEqual("6", info['devices'][1]['host'])
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self.assertEqual("1", info['devices'][1]['channel'])
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self.assertEqual("0", info['devices'][1]['id'])
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self.assertEqual("3", info['devices'][1]['lun'])
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def test_find_multipath_device_with_error(self):
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def fake_execute(*cmd, **kwargs):
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out = ("Oct 13 10:24:01 | /lib/udev/scsi_id exited with 1\n"
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"36005076303ffc48e0000000000000101 dm-2 IBM,2107900\n"
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"size=1.0G features='1 queue_if_no_path' hwhandler='0'"
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" wp=rw\n"
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"`-+- policy='round-robin 0' prio=-1 status=active\n"
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" |- 6:0:2:0 sdd 8:64 active undef running\n"
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" `- 6:1:0:3 sdc 8:32 active undef running\n"
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)
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return out, None
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self.linuxscsi._execute = fake_execute
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info = self.linuxscsi.find_multipath_device('/dev/sdd')
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self.assertEqual("36005076303ffc48e0000000000000101", info["id"])
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self.assertEqual("36005076303ffc48e0000000000000101", info["name"])
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self.assertEqual("/dev/mapper/36005076303ffc48e0000000000000101",
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info["device"])
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self.assertEqual("/dev/sdd", info['devices'][0]['device'])
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self.assertEqual("6", info['devices'][0]['host'])
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self.assertEqual("0", info['devices'][0]['channel'])
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self.assertEqual("2", info['devices'][0]['id'])
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self.assertEqual("0", info['devices'][0]['lun'])
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self.assertEqual("/dev/sdc", info['devices'][1]['device'])
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self.assertEqual("6", info['devices'][1]['host'])
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self.assertEqual("1", info['devices'][1]['channel'])
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self.assertEqual("0", info['devices'][1]['id'])
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self.assertEqual("3", info['devices'][1]['lun'])
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@mock.patch.object(time, 'sleep')
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def test_wait_for_rw(self, mock_sleep):
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lsblk_output = """3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdb 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdc 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdd 0
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3624a93709a738ed78583fd1200143029 (dm-2) 0
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sde 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdf 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdg 0
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3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdh 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdi 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdj 0
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3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdk 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdl 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdm 0
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vda1 0
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vdb 0
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vdb1 0
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loop0 0"""
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mock_execute = mock.Mock()
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mock_execute.return_value = (lsblk_output, None)
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self.linuxscsi._execute = mock_execute
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wwn = '3624a93709a738ed78583fd120014a2bb'
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path = '/dev/disk/by-id/dm-uuid-mpath-' + wwn
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# Ensure no exception is raised and no sleep is called
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self.linuxscsi.wait_for_rw(wwn, path)
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self.assertFalse(mock_sleep.called)
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@mock.patch.object(time, 'sleep')
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def test_wait_for_rw_needs_retry(self, mock_sleep):
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lsblk_ro_output = """3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdb 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdc 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdd 0
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3624a93709a738ed78583fd1200143029 (dm-2) 1
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sde 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdf 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdg 0
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3624a93709a738ed78583fd1200143029 (dm-2) 1
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sdh 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdi 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdj 0
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3624a93709a738ed78583fd1200143029 (dm-2) 1
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sdk 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdl 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdm 0
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vda1 0
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vdb 0
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vdb1 0
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loop0 0"""
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lsblk_rw_output = """3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdb 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdc 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdd 0
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3624a93709a738ed78583fd1200143029 (dm-2) 0
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sde 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdf 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdg 0
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3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdh 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdi 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdj 0
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3624a93709a738ed78583fd1200143029 (dm-2) 0
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sdk 0
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3624a93709a738ed78583fd120014724e (dm-1) 0
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sdl 0
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3624a93709a738ed78583fd120014a2bb (dm-0) 0
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sdm 0
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vda1 0
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vdb 0
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vdb1 0
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loop0 0"""
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mock_execute = mock.Mock()
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mock_execute.side_effect = [(lsblk_ro_output, None),
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('', None), # multipath -r output
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(lsblk_rw_output, None)]
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self.linuxscsi._execute = mock_execute
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|
wwn = '3624a93709a738ed78583fd1200143029'
|
|
path = '/dev/disk/by-id/dm-uuid-mpath-' + wwn
|
|
|
|
self.linuxscsi.wait_for_rw(wwn, path)
|
|
self.assertEqual(1, mock_sleep.call_count)
|
|
|
|
@mock.patch.object(time, 'sleep')
|
|
def test_wait_for_rw_always_readonly(self, mock_sleep):
|
|
lsblk_output = """3624a93709a738ed78583fd1200143029 (dm-2) 0
|
|
sdb 0
|
|
3624a93709a738ed78583fd120014724e (dm-1) 0
|
|
sdc 0
|
|
3624a93709a738ed78583fd120014a2bb (dm-0) 1
|
|
sdd 0
|
|
3624a93709a738ed78583fd1200143029 (dm-2) 0
|
|
sde 0
|
|
3624a93709a738ed78583fd120014724e (dm-1) 0
|
|
sdf 0
|
|
3624a93709a738ed78583fd120014a2bb (dm-0) 1
|
|
sdg 0
|
|
3624a93709a738ed78583fd1200143029 (dm-2) 0
|
|
sdh 0
|
|
3624a93709a738ed78583fd120014724e (dm-1) 0
|
|
sdi 0
|
|
3624a93709a738ed78583fd120014a2bb (dm-0) 1
|
|
sdj 0
|
|
3624a93709a738ed78583fd1200143029 (dm-2) 0
|
|
sdk 0
|
|
3624a93709a738ed78583fd120014724e (dm-1) 0
|
|
sdl 0
|
|
3624a93709a738ed78583fd120014a2bb (dm-0) 1
|
|
sdm 0
|
|
vda1 0
|
|
vdb 0
|
|
vdb1 0
|
|
loop0 0"""
|
|
|
|
mock_execute = mock.Mock()
|
|
mock_execute.return_value = (lsblk_output, None)
|
|
self.linuxscsi._execute = mock_execute
|
|
|
|
wwn = '3624a93709a738ed78583fd120014a2bb'
|
|
path = '/dev/disk/by-id/dm-uuid-mpath-' + wwn
|
|
|
|
self.assertRaises(exception.BlockDeviceReadOnly,
|
|
self.linuxscsi.wait_for_rw,
|
|
wwn,
|
|
path)
|
|
|
|
self.assertEqual(4, mock_sleep.call_count)
|
|
|
|
def test_find_multipath_device_with_action(self):
|
|
def fake_execute(*cmd, **kwargs):
|
|
out = textwrap.dedent("""
|
|
create: 36005076303ffc48e0000000000000101 dm-2 IBM,2107900
|
|
size=1.0G features='1 queue_if_no_path' hwhandler='0'
|
|
wp=rw
|
|
`-+- policy='round-robin 0' prio=-1 status=active
|
|
|- 6:0:2:0 sdd 8:64 active undef running
|
|
`- 6:1:0:3 sdc 8:32 active undef running
|
|
""")
|
|
return out, None
|
|
|
|
self.linuxscsi._execute = fake_execute
|
|
info = self.linuxscsi.find_multipath_device('/dev/sdd')
|
|
LOG.error("Device info: %s", info)
|
|
|
|
self.assertEqual('36005076303ffc48e0000000000000101', info['id'])
|
|
self.assertEqual('36005076303ffc48e0000000000000101', info['name'])
|
|
self.assertEqual('/dev/mapper/36005076303ffc48e0000000000000101',
|
|
info['device'])
|
|
|
|
self.assertEqual("/dev/sdd", info['devices'][0]['device'])
|
|
self.assertEqual("6", info['devices'][0]['host'])
|
|
self.assertEqual("0", info['devices'][0]['channel'])
|
|
self.assertEqual("2", info['devices'][0]['id'])
|
|
self.assertEqual("0", info['devices'][0]['lun'])
|
|
|
|
self.assertEqual("/dev/sdc", info['devices'][1]['device'])
|
|
self.assertEqual("6", info['devices'][1]['host'])
|
|
self.assertEqual("1", info['devices'][1]['channel'])
|
|
self.assertEqual("0", info['devices'][1]['id'])
|
|
self.assertEqual("3", info['devices'][1]['lun'])
|
|
|
|
def test_get_device_size(self):
|
|
mock_execute = mock.Mock()
|
|
self.linuxscsi._execute = mock_execute
|
|
size = '1024'
|
|
mock_execute.return_value = (size, None)
|
|
|
|
ret_size = self.linuxscsi.get_device_size('/dev/fake')
|
|
self.assertEqual(int(size), ret_size)
|
|
|
|
size = 'junk'
|
|
mock_execute.return_value = (size, None)
|
|
ret_size = self.linuxscsi.get_device_size('/dev/fake')
|
|
self.assertIsNone(ret_size)
|
|
|
|
size_bad = '1024\n'
|
|
size_good = 1024
|
|
mock_execute.return_value = (size_bad, None)
|
|
ret_size = self.linuxscsi.get_device_size('/dev/fake')
|
|
self.assertEqual(size_good, ret_size)
|
|
|
|
def test_multipath_reconfigure(self):
|
|
self.linuxscsi.multipath_reconfigure()
|
|
expected_commands = ['multipathd reconfigure']
|
|
self.assertEqual(expected_commands, self.cmds)
|
|
|
|
def test_multipath_resize_map(self):
|
|
wwn = '1234567890123456'
|
|
self.linuxscsi.multipath_resize_map(wwn)
|
|
expected_commands = ['multipathd resize map %s' % wwn]
|
|
self.assertEqual(expected_commands, self.cmds)
|
|
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device_path')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_size')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info')
|
|
def test_extend_volume_no_mpath(self, mock_device_info,
|
|
mock_device_size,
|
|
mock_scsi_wwn,
|
|
mock_find_mpath_path):
|
|
"""Test extending a volume where there is no multipath device."""
|
|
fake_device = {'host': '0',
|
|
'channel': '0',
|
|
'id': '0',
|
|
'lun': '1'}
|
|
mock_device_info.return_value = fake_device
|
|
|
|
first_size = 1024
|
|
second_size = 2048
|
|
|
|
mock_device_size.side_effect = [first_size, second_size]
|
|
wwn = '1234567890123456'
|
|
mock_scsi_wwn.return_value = wwn
|
|
mock_find_mpath_path.return_value = None
|
|
|
|
ret_size = self.linuxscsi.extend_volume(['/dev/fake'])
|
|
self.assertEqual(second_size, ret_size)
|
|
|
|
# because we don't mock out the echo_scsi_command
|
|
expected_cmds = ['tee -a /sys/bus/scsi/drivers/sd/0:0:0:1/rescan']
|
|
self.assertEqual(expected_cmds, self.cmds)
|
|
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device_path')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_size')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info')
|
|
def test_extend_volume_with_mpath(self, mock_device_info,
|
|
mock_device_size,
|
|
mock_scsi_wwn,
|
|
mock_find_mpath_path):
|
|
"""Test extending a volume where there is a multipath device."""
|
|
mock_device_info.side_effect = [{'host': host,
|
|
'channel': '0',
|
|
'id': '0',
|
|
'lun': '1'} for host in ['0', '1']]
|
|
|
|
mock_device_size.side_effect = [1024, 2048, 1024, 2048, 1024, 2048]
|
|
wwn = '1234567890123456'
|
|
mock_scsi_wwn.return_value = wwn
|
|
mock_find_mpath_path.return_value = ('/dev/mapper/dm-uuid-mpath-%s' %
|
|
wwn)
|
|
|
|
ret_size = self.linuxscsi.extend_volume(['/dev/fake1', '/dev/fake2'])
|
|
self.assertEqual(2048, ret_size)
|
|
|
|
# because we don't mock out the echo_scsi_command
|
|
expected_cmds = ['tee -a /sys/bus/scsi/drivers/sd/0:0:0:1/rescan',
|
|
'tee -a /sys/bus/scsi/drivers/sd/1:0:0:1/rescan',
|
|
'multipathd reconfigure',
|
|
'multipathd resize map %s' % wwn]
|
|
self.assertEqual(expected_cmds, self.cmds)
|
|
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'multipath_resize_map')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'find_multipath_device_path')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_scsi_wwn')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_size')
|
|
@mock.patch.object(linuxscsi.LinuxSCSI, 'get_device_info')
|
|
def test_extend_volume_with_mpath_fail(self, mock_device_info,
|
|
mock_device_size,
|
|
mock_scsi_wwn,
|
|
mock_find_mpath_path,
|
|
mock_mpath_resize_map):
|
|
"""Test extending a volume where there is a multipath device fail."""
|
|
mock_device_info.side_effect = [{'host': host,
|
|
'channel': '0',
|
|
'id': '0',
|
|
'lun': '1'} for host in ['0', '1']]
|
|
|
|
mock_device_size.side_effect = [1024, 2048, 1024, 2048, 1024, 2048]
|
|
wwn = '1234567890123456'
|
|
mock_scsi_wwn.return_value = wwn
|
|
mock_find_mpath_path.return_value = ('/dev/mapper/dm-uuid-mpath-%s' %
|
|
wwn)
|
|
|
|
mock_mpath_resize_map.return_value = 'fail'
|
|
|
|
ret_size = self.linuxscsi.extend_volume(['/dev/fake1', '/dev/fake2'])
|
|
self.assertIsNone(ret_size)
|
|
|
|
# because we don't mock out the echo_scsi_command
|
|
expected_cmds = ['tee -a /sys/bus/scsi/drivers/sd/0:0:0:1/rescan',
|
|
'tee -a /sys/bus/scsi/drivers/sd/1:0:0:1/rescan',
|
|
'multipathd reconfigure']
|
|
self.assertEqual(expected_cmds, self.cmds)
|
|
|
|
def test_process_lun_id_list(self):
|
|
lun_list = [2, 255, 88, 370, 5, 256]
|
|
result = self.linuxscsi.process_lun_id(lun_list)
|
|
expected = [2, 255, 88, '0x0172000000000000',
|
|
5, '0x0100000000000000']
|
|
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_process_lun_id_single_val_make_hex(self):
|
|
lun_id = 499
|
|
result = self.linuxscsi.process_lun_id(lun_id)
|
|
expected = '0x01f3000000000000'
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_process_lun_id_single_val_make_hex_border_case(self):
|
|
lun_id = 256
|
|
result = self.linuxscsi.process_lun_id(lun_id)
|
|
expected = '0x0100000000000000'
|
|
self.assertEqual(expected, result)
|
|
|
|
def test_process_lun_id_single_var_return(self):
|
|
lun_id = 13
|
|
result = self.linuxscsi.process_lun_id(lun_id)
|
|
expected = 13
|
|
self.assertEqual(expected, result)
|
|
|
|
@mock.patch('os_brick.privileged.rootwrap')
|
|
def test_is_multipath_running_default_executor(self, mock_rootwrap):
|
|
self.assertTrue(
|
|
linuxscsi.LinuxSCSI.is_multipath_running(
|
|
False, None, mock_rootwrap.execute))
|
|
mock_rootwrap.execute.assert_called_once_with(
|
|
'multipathd', 'show', 'status', run_as_root=True, root_helper=None)
|