279 lines
11 KiB
Python
279 lines
11 KiB
Python
# (c) Copyright 2014 Brocade Communications Systems Inc.
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# All Rights Reserved.
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#
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# 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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#
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"""Unit tests for Brocade fc zone driver."""
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from unittest import mock
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from oslo_utils import importutils
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import paramiko
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import requests
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from cinder import exception
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from cinder.tests.unit import test
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from cinder.volume import configuration as conf
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from cinder.zonemanager.drivers.brocade import brcd_fabric_opts as fabric_opts
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from cinder.zonemanager.drivers.brocade import brcd_fc_zone_driver as driver
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from cinder.zonemanager import fc_zone_manager as zmanager
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_zone_name = 'openstack_fab1_10008c7cff523b0120240002ac000a50'
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_zone_name_initiator_mode = 'openstack_fab1_10008c7cff523b01'
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WWNS = ['10:00:8c:7c:ff:52:3b:01', '20:24:00:02:ac:00:0a:50']
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_active_cfg_before_add = {}
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_activate = True
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_target_ns_map = {'100000051e55a100': ['20240002ac000a50']}
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_initiator_ns_map = {'100000051e55a100': ['10008c7cff523b01']}
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_zone_map_to_add = {_zone_name: WWNS}
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_initiator_target_map = {'10008c7cff523b01': ['20240002ac000a50']}
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_device_map_to_verify = {
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'100000051e55a100': {
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'initiator_port_wwn_list': [
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'10008c7cff523b01'], 'target_port_wwn_list': ['20240002ac000a50']}}
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_fabric_wwn = '100000051e55a100'
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class BrcdFcZoneDriverBaseTest(object):
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def _set_conf_overrides(self, group, **kwargs):
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for name, value in kwargs.items():
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self.override_config(name, value, group)
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def setup_config(self, is_normal, mode):
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self.override_config('zoning_mode', 'fabric')
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fabric_group_name = 'BRCD_FAB_1'
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self._set_conf_overrides(
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'fc-zone-manager',
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zone_driver=('cinder.tests.unit.zonemanager.'
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'test_brcd_fc_zone_driver.FakeBrcdFCZoneDriver'),
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brcd_sb_connector=('cinder.tests.unit.zonemanager.'
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'test_brcd_fc_zone_driver.'
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'FakeBrcdFCZoneClientCLI'),
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zoning_policy='initiator-target',
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fc_san_lookup_service=('cinder.tests.unit.zonemanager.'
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'test_brcd_fc_zone_driver.'
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'FakeBrcdFCSanLookupService'),
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fc_fabric_names=fabric_group_name,
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)
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# Ensure that we have the fabric_name group
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conf.Configuration(fabric_opts.brcd_zone_opts, fabric_group_name)
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self._set_conf_overrides(
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fabric_group_name,
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fc_fabric_address='10.24.48.213',
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fc_fabric_password='password',
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fc_fabric_user='admin' if is_normal else 'invaliduser',
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zoning_policy='initiator' if mode == 2 else 'initiator-target',
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zone_activate=True,
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zone_name_prefix='openstack_fab1_',
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fc_southbound_protocol='SSH',
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)
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configuration = conf.Configuration(zmanager.zone_manager_opts,
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'fc-zone-manager')
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return configuration
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class TestBrcdFcZoneDriver(BrcdFcZoneDriverBaseTest, test.TestCase):
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def setUp(self):
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super(TestBrcdFcZoneDriver, self).setUp()
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# setup config for normal flow
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self.setup_driver(self.setup_config(True, 1))
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GlobalVars._zone_state = []
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def setup_driver(self, config):
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self.driver = importutils.import_object(
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'cinder.zonemanager.drivers.brocade.brcd_fc_zone_driver'
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'.BrcdFCZoneDriver', configuration=config)
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def fake__get_active_zone_set(self, brcd_sb_connector, fabric_ip):
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return GlobalVars._active_cfg
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def get_client(self, protocol='HTTPS'):
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conn = ('cinder.tests.unit.zonemanager.test_brcd_fc_zone_driver.' +
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('FakeBrcdFCZoneClientCLI' if protocol == "CLI"
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else 'FakeBrcdHttpFCZoneClient'))
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client = importutils.import_object(
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conn,
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ipaddress="10.24.48.213",
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username="admin",
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password="password",
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key="/home/stack/.ssh/id_rsa",
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port=22,
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vfid="2",
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protocol=protocol
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)
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return client
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@mock.patch.object(driver.BrcdFCZoneDriver, '_get_southbound_client')
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def test_add_connection(self, get_southbound_client_mock):
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"""Normal flow for i-t mode."""
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GlobalVars._is_normal_test = True
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GlobalVars._zone_state = []
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GlobalVars._active_cfg = _active_cfg_before_add
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get_southbound_client_mock.return_value = self.get_client("HTTPS")
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self.driver.add_connection('BRCD_FAB_1', _initiator_target_map)
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self.assertIn(_zone_name, GlobalVars._zone_state)
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def _active_cfg_before_delete(self, mode):
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zone_name = _zone_name if mode == 1 else _zone_name_initiator_mode
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return {'zones': {zone_name: WWNS, 't_zone': ['1,0']},
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'active_zone_config': 'cfg1'}
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@mock.patch.object(driver.BrcdFCZoneDriver, '_get_southbound_client')
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def test_delete_connection(self, get_southbound_client_mock):
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GlobalVars._is_normal_test = True
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GlobalVars._zone_state.append(_zone_name)
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get_southbound_client_mock.return_value = self.get_client("CLI")
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GlobalVars._active_cfg = self._active_cfg_before_delete(mode=1)
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self.driver.delete_connection(
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'BRCD_FAB_1', _initiator_target_map)
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self.assertNotIn(_zone_name, GlobalVars._zone_state)
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@mock.patch.object(driver.BrcdFCZoneDriver, '_get_southbound_client')
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def test_add_connection_for_initiator_mode(self, get_southbound_client_mk):
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"""Normal flow for i mode."""
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GlobalVars._is_normal_test = True
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get_southbound_client_mk.return_value = self.get_client("CLI")
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GlobalVars._active_cfg = _active_cfg_before_add
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self.setup_driver(self.setup_config(True, 2))
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self.driver.add_connection('BRCD_FAB_1', _initiator_target_map)
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self.assertIn(_zone_name_initiator_mode, GlobalVars._zone_state)
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@mock.patch.object(driver.BrcdFCZoneDriver, '_get_southbound_client')
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def test_delete_connection_for_initiator_mode(self,
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get_southbound_client_mk):
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GlobalVars._is_normal_test = True
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GlobalVars._zone_state.append(_zone_name_initiator_mode)
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get_southbound_client_mk.return_value = self.get_client("HTTPS")
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GlobalVars._active_cfg = self._active_cfg_before_delete(mode=2)
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self.setup_driver(self.setup_config(True, 2))
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self.driver.delete_connection(
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'BRCD_FAB_1', _initiator_target_map)
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self.assertNotIn(_zone_name_initiator_mode, GlobalVars._zone_state)
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@mock.patch('cinder.zonemanager.drivers.brocade.brcd_fc_zone_client_cli.'
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'BrcdFCZoneClientCLI.__init__', side_effect=Exception)
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def test_add_connection_for_invalid_fabric(self, create_client_mock):
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"""Test abnormal flows."""
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GlobalVars._active_cfg = _active_cfg_before_add
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self.setup_driver(self.setup_config(False, 1))
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self.assertRaises(exception.FCZoneDriverException,
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self.driver.add_connection,
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'BRCD_FAB_1',
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_initiator_target_map)
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@mock.patch('cinder.zonemanager.drivers.brocade.brcd_fc_zone_client_cli.'
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'BrcdFCZoneClientCLI.__init__', side_effect=Exception)
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def test_delete_connection_for_invalid_fabric(self, create_client_mock):
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GlobalVars._active_cfg = self._active_cfg_before_delete(mode=1)
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GlobalVars._is_normal_test = False
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self.setup_driver(self.setup_config(False, 1))
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self.assertRaises(exception.FCZoneDriverException,
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self.driver.delete_connection,
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'BRCD_FAB_1',
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_initiator_target_map)
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@mock.patch.object(driver.BrcdFCZoneDriver, '_get_southbound_client')
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def test_get_san_context(self, client_mock):
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GlobalVars._is_normal_test = True
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self.setup_driver(self.setup_config(True, 1))
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get_ns_mock = client_mock.return_value.get_nameserver_info
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wwn = '20:24:00:02:ac:00:0a:50'
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get_ns_mock.return_value = [wwn]
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expected = {'BRCD_FAB_1': ['20240002ac000a50']}
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res = self.driver.get_san_context([WWNS[0], wwn.upper()])
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client_mock.assert_called_once_with('BRCD_FAB_1')
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client_mock.return_value.cleanup.assert_called_once_with()
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get_ns_mock.assert_called_once_with()
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self.assertEqual(expected, res)
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class FakeClient(object):
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def get_active_zone_set(self):
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return GlobalVars._active_cfg
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def add_zones(self, zones, isActivate, active_zone_set):
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GlobalVars._zone_state.extend(zones.keys())
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def delete_zones(self, zone_names, isActivate, active_zone_set):
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zone_list = zone_names.split(';')
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GlobalVars._zone_state = [
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x for x in GlobalVars._zone_state if x not in zone_list]
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def is_supported_firmware(self):
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return True
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def get_nameserver_info(self):
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return _target_ns_map
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def close_connection(self):
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pass
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def cleanup(self):
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pass
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class FakeBrcdFCZoneClientCLI(FakeClient):
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def __init__(self, ipaddress, username,
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password, port, key, vfid, protocol):
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self.firmware_supported = True
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if not GlobalVars._is_normal_test:
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raise paramiko.SSHException("Unable to connect to fabric.")
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class FakeBrcdHttpFCZoneClient(FakeClient):
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def __init__(self, ipaddress, username,
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password, port, key, vfid, protocol):
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self.firmware_supported = True
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if not GlobalVars._is_normal_test:
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raise requests.exception.HTTPError("Unable to connect to fabric")
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class FakeBrcdFCSanLookupService(object):
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def get_device_mapping_from_network(self,
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initiator_wwn_list,
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target_wwn_list):
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device_map = {}
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initiators = []
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targets = []
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for i in initiator_wwn_list:
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if i in _initiator_ns_map[_fabric_wwn]:
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initiators.append(i)
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for t in target_wwn_list:
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if t in _target_ns_map[_fabric_wwn]:
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targets.append(t)
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device_map[_fabric_wwn] = {
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'initiator_port_wwn_list': initiators,
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'target_port_wwn_list': targets}
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return device_map
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class GlobalVars(object):
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global _active_cfg
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_active_cfg = {}
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global _zone_state
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_zone_state = list()
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global _is_normal_test
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_is_normal_test = True
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