nova/nova/tests/unit/virt/libvirt/volume/test_iscsi.py

82 lines
3.3 KiB
Python

# 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 mock
from os_brick import exception as os_brick_exception
from os_brick.initiator import connector
from nova.tests.unit.virt.libvirt.volume import test_volume
from nova.virt.libvirt.volume import iscsi
class LibvirtISCSIVolumeDriverTestCase(
test_volume.LibvirtISCSIVolumeBaseTestCase):
# TODO(mriedem): move this to os-brick
def test_iscsiadm_discover_parsing(self):
# Ensure that parsing iscsiadm discover ignores cruft.
targets = [
["192.168.204.82:3260,1",
("iqn.2010-10.org.openstack:volume-"
"f9b12623-6ce3-4dac-a71f-09ad4249bdd3")],
["192.168.204.82:3261,1",
("iqn.2010-10.org.openstack:volume-"
"f9b12623-6ce3-4dac-a71f-09ad4249bdd4")]]
# This slight wonkiness brought to you by pep8, as the actual
# example output runs about 97 chars wide.
sample_input = """Loading iscsi modules: done
Starting iSCSI initiator service: done
Setting up iSCSI targets: unused
%s %s
%s %s
""" % (targets[0][0], targets[0][1], targets[1][0], targets[1][1])
driver = iscsi.LibvirtISCSIVolumeDriver("none")
out = driver.connector._get_target_portals_from_iscsiadm_output(
sample_input)
self.assertEqual(targets, out)
def test_libvirt_iscsi_driver(self, transport=None):
libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(self.fake_host)
self.assertIsInstance(libvirt_driver.connector,
connector.ISCSIConnector)
def test_libvirt_iscsi_driver_get_config(self):
libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(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'))
@mock.patch.object(iscsi.LOG, 'warning')
def test_libvirt_iscsi_driver_disconnect_volume_with_devicenotfound(self,
mock_LOG_warning):
device_path = '/dev/fake-dev'
connection_info = {'data': {'device_path': device_path}}
libvirt_driver = iscsi.LibvirtISCSIVolumeDriver(self.fake_host)
libvirt_driver.connector.disconnect_volume = mock.MagicMock(
side_effect=os_brick_exception.VolumeDeviceNotFound(
device=device_path))
libvirt_driver.disconnect_volume(connection_info, device_path)
msg = mock_LOG_warning.call_args_list[0]
self.assertIn('Ignoring VolumeDeviceNotFound', msg[0][0])