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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from unittest import mock
from nova.tests.unit.virt.libvirt.volume import test_volume
from nova.virt.libvirt.volume import lightos
from os_brick import initiator
class LibvirtLightVolumeDriverTestCase(test_volume.LibvirtVolumeBaseTestCase):
@mock.patch('nova.utils.get_root_helper')
@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory')
def test_libvirt_lightos_driver(self, mock_factory, mock_helper):
mock_helper.return_value = 'sudo'
lightos.LibvirtLightOSVolumeDriver(self.fake_host)
mock_factory.assert_called_once_with(
initiator.LIGHTOS, root_helper='sudo',
device_scan_attempts=5)
@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory',
new=mock.Mock())
def test_libvirt_lightos_driver_connect(self):
lightos_driver = lightos.LibvirtLightOSVolumeDriver(
self.fake_host)
config = {'server_ip': '127.0.0.1', 'server_port': 9898}
disk_info = {
'id': '1234567',
'name': 'aLightVolume',
'conf': config}
connection_info = {'data': disk_info}
lightos_driver.connector.connect_volume.return_value = (
{'path': '/dev/dms1234567'})
lightos_driver.connect_volume(connection_info, None)
lightos_driver.connector.connect_volume.assert_called_once_with(
connection_info['data'])
self.assertEqual(
'/dev/dms1234567',
connection_info['data']['device_path'])
@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory',
new=mock.Mock(return_value=mock.Mock()))
def test_libvirt_lightos_driver_disconnect(self):
lightos_driver = lightos.LibvirtLightOSVolumeDriver(self.connr)
disk_info = {
'path': '/dev/dms1234567', 'name': 'aLightosVolume',
'type': 'raw', 'dev': 'vda1', 'bus': 'pci0',
'device_path': '/dev/dms123456'}
connection_info = {'data': disk_info}
lightos_driver.disconnect_volume(connection_info, None)
lightos_driver.connector.disconnect_volume.assert_called_once_with(
disk_info, None)
@mock.patch('os_brick.initiator.connector.InitiatorConnector.factory',
new=mock.Mock(return_value=mock.Mock()))
def test_libvirt_lightos_driver_get_config(self):
lightos_driver = lightos.LibvirtLightOSVolumeDriver(self.fake_host)
device_path = '/dev/fake-dev'
connection_info = {'data': {'device_path': device_path}}
conf = lightos_driver.get_config(connection_info, self.disk_info)
tree = conf.format_dom()
self.assertEqual('block', tree.get('type'))
self.assertEqual(device_path, tree.find('./source').get('dev'))
self.assertEqual('raw', tree.find('./driver').get('type'))
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