88 lines
3.8 KiB
Python
88 lines
3.8 KiB
Python
# 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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from os_brick import exception as os_brick_exception
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from os_brick.initiator import connector
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from unittest import mock
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from nova.tests.unit.virt.libvirt.volume import test_volume
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from nova.virt.libvirt.volume import iscsi
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class LibvirtISCSIVolumeDriverTestCase(
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test_volume.LibvirtISCSIVolumeBaseTestCase):
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def test_libvirt_iscsi_driver(self, transport=None):
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for multipath in (True, False):
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self.flags(volume_use_multipath=multipath, group='libvirt')
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libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(self.fake_host)
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self.assertIsInstance(libvirt_driver.connector,
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connector.ISCSIConnector)
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if hasattr(libvirt_driver.connector, 'use_multipath'):
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self.assertEqual(
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multipath, libvirt_driver.connector.use_multipath)
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def test_libvirt_iscsi_driver_get_config(self):
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libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(self.fake_host)
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device_path = '/dev/fake-dev'
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connection_info = {'data': {'device_path': device_path}}
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conf = libvirt_driver.get_config(connection_info, self.disk_info)
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tree = conf.format_dom()
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self.assertEqual('block', tree.get('type'))
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self.assertEqual(device_path, tree.find('./source').get('dev'))
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self.assertEqual('raw', tree.find('./driver').get('type'))
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self.assertEqual('native', tree.find('./driver').get('io'))
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@mock.patch.object(iscsi.LOG, 'warning')
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def test_libvirt_iscsi_driver_disconnect_volume_with_devicenotfound(self,
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mock_LOG_warning):
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device_path = '/dev/fake-dev'
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connection_info = {'data': {'device_path': device_path}}
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libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(self.fake_host)
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libvirt_driver.connector.disconnect_volume = mock.MagicMock(
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side_effect=os_brick_exception.VolumeDeviceNotFound(
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device=device_path))
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libvirt_driver.disconnect_volume(connection_info,
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mock.sentinel.instance)
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libvirt_driver.connector.disconnect_volume.assert_called_once_with(
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connection_info['data'], None, force=False)
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msg = mock_LOG_warning.call_args_list[0]
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self.assertIn('Ignoring VolumeDeviceNotFound', msg[0][0])
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# Verify force=True
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libvirt_driver.connector.disconnect_volume.reset_mock()
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libvirt_driver.disconnect_volume(
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connection_info, mock.sentinel.instance, force=True)
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libvirt_driver.connector.disconnect_volume.assert_called_once_with(
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connection_info['data'], None, force=True)
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def test_extend_volume(self):
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device_path = '/dev/fake-dev'
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connection_info = {'data': {'device_path': device_path}}
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requested_size = 1
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libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(self.fake_host)
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libvirt_driver.connector.extend_volume = mock.MagicMock(
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return_value=requested_size)
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new_size = libvirt_driver.extend_volume(connection_info,
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mock.sentinel.instance,
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requested_size)
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self.assertEqual(requested_size, new_size)
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libvirt_driver.connector.extend_volume.assert_called_once_with(
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connection_info['data'])
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