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