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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.
import platform
from unittest import mock
from os_brick.initiator import connector
from nova.objects import fields as obj_fields
from nova.tests.unit.virt.libvirt.volume import test_volume
from nova.virt.libvirt.volume import fibrechannel
class LibvirtFibreChannelVolumeDriverTestCase(
test_volume.LibvirtVolumeBaseTestCase):
def test_libvirt_fibrechan_driver(self):
for multipath in (True, False):
self.flags(volume_use_multipath=multipath, group='libvirt')
libvirt_driver = fibrechannel.LibvirtFibreChannelVolumeDriver(
self.fake_host)
self.assertIsInstance(libvirt_driver.connector,
connector.FibreChannelConnector)
if hasattr(libvirt_driver.connector, 'use_multipath'):
self.assertEqual(
multipath, libvirt_driver.connector.use_multipath)
def _test_libvirt_fibrechan_driver_s390(self):
libvirt_driver = fibrechannel.LibvirtFibreChannelVolumeDriver(
self.fake_host)
self.assertIsInstance(libvirt_driver.connector,
connector.FibreChannelConnectorS390X)
@mock.patch.object(platform, 'machine',
return_value=obj_fields.Architecture.S390)
def test_libvirt_fibrechan_driver_s390(self, mock_machine):
self._test_libvirt_fibrechan_driver_s390()
@mock.patch.object(platform, 'machine',
return_value=obj_fields.Architecture.S390X)
def test_libvirt_fibrechan_driver_s390x(self, mock_machine):
self._test_libvirt_fibrechan_driver_s390()
def test_libvirt_fibrechan_driver_get_config(self):
libvirt_driver = fibrechannel.LibvirtFibreChannelVolumeDriver(
self.fake_host)
device_path = '/dev/fake-dev'
connection_info = {'data': {'device_path': device_path}}
conf = libvirt_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'))
self.assertEqual('native', tree.find('./driver').get('io'))
def test_extend_volume(self):
device_path = '/dev/fake-dev'
connection_info = {'data': {'device_path': device_path}}
requested_size = 1
libvirt_driver = fibrechannel.LibvirtFibreChannelVolumeDriver(
self.fake_host)
libvirt_driver.connector.extend_volume = mock.MagicMock(
return_value=requested_size)
new_size = libvirt_driver.extend_volume(connection_info,
mock.sentinel.instance,
requested_size)
self.assertEqual(requested_size, new_size)
libvirt_driver.connector.extend_volume.assert_called_once_with(
connection_info['data'])
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