/usr/lib/python3/dist-packages/os_brick/tests/initiator/connectors/test_iser.py is in python3-os-brick 2.3.0-0ubuntu1.
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# 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.initiator.connectors import iscsi
from os_brick.tests.initiator import test_connector
class ISERConnectorTestCase(test_connector.ConnectorTestCase):
def setUp(self):
super(ISERConnectorTestCase, self).setUp()
self.connector = iscsi.ISCSIConnector(
None, execute=self.fake_execute, use_multipath=False)
self.connection_data = {
'volume_id': 'volume_id',
'target_portal': 'ip:port',
'target_iqn': 'target_1',
'target_lun': 1,
'target_portals': ['ip:port'],
'target_iqns': ['target_1'],
'target_luns': [1]
}
@mock.patch.object(iscsi.ISCSIConnector, '_get_ips_iqns_luns')
@mock.patch('glob.glob')
@mock.patch.object(iscsi.ISCSIConnector, '_get_iscsi_sessions_full')
@mock.patch.object(iscsi.ISCSIConnector, '_get_iscsi_nodes')
def test_get_connection_devices(
self, nodes_mock, sessions_mock, glob_mock, iql_mock):
self.connector.use_multipath = True
iql_mock.return_value = \
self.connector._get_all_targets(self.connection_data)
# mocked iSCSI sessions
sessions_mock.return_value = \
[('iser:', '0', 'ip:port', '1', 'target_1')]
# mocked iSCSI nodes
nodes_mock.return_value = [('ip:port', 'target_1')]
sys_cls = '/sys/class/scsi_host/host'
glob_mock.side_effect = [
[sys_cls + '1/device/session/target/1:1:1:1/block/sda']
]
res = self.connector._get_connection_devices(self.connection_data)
expected = {('ip:port', 'target_1'): ({'sda'}, set())}
self.assertDictEqual(expected, res)
iql_mock.assert_called_once_with(self.connection_data, discover=False)
@mock.patch.object(iscsi.ISCSIConnector, '_get_iscsi_sessions_full')
@mock.patch.object(iscsi.ISCSIConnector, '_execute')
def test_connect_to_iscsi_portal(self, exec_mock, sessions_mock):
"""Connect to portal while session already established"""
# connected sessions
sessions_mock.side_effect = [
[('iser:', 'session_iser', 'ip:port', '1', 'target_1')]
]
exec_mock.side_effect = [('', None), ('', None), ('', None)]
res = self.connector._connect_to_iscsi_portal(self.connection_data)
# session name is expected to be in the result.
self.assertEqual(("session_iser", True), res)
prefix = 'iscsiadm -m node -T target_1 -p ip:port'
expected_cmds = [
prefix,
prefix + ' --op update -n node.session.scan -v manual'
]
actual_cmds = [' '.join(args[0]) for args in exec_mock.call_args_list]
self.assertListEqual(expected_cmds, actual_cmds)
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