cinder/cinder/tests/zonemanager/test_brcd_fc_san_lookup_ser...

158 lines
6.2 KiB
Python

# (c) Copyright 2014 Brocade Communications Systems Inc.
# All Rights Reserved.
#
# Copyright 2014 OpenStack Foundation
#
# 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.
#
"""Unit tests for brcd fc san lookup service."""
import mock
from oslo_config import cfg
import paramiko
from cinder import exception
from cinder.openstack.common import log as logging
from cinder import test
from cinder.volume import configuration as conf
import cinder.zonemanager.drivers.brocade.brcd_fc_san_lookup_service \
as brcd_lookup
from cinder.zonemanager.drivers.brocade import fc_zone_constants
LOG = logging.getLogger(__name__)
nsshow = '20:1a:00:05:1e:e8:e3:29'
switch_data = [' N 011a00;2,3;20:1a:00:05:1e:e8:e3:29;\
20:1a:00:05:1e:e8:e3:29;na']
nsshow_data = ['10:00:8c:7c:ff:52:3b:01', '20:24:00:02:ac:00:0a:50']
_device_map_to_verify = {
'BRCD_FAB_2': {
'initiator_port_wwn_list': ['10008c7cff523b01'],
'target_port_wwn_list': ['20240002ac000a50']}}
class TestBrcdFCSanLookupService(brcd_lookup.BrcdFCSanLookupService,
test.TestCase):
def setUp(self):
super(TestBrcdFCSanLookupService, self).setUp()
self.client = paramiko.SSHClient()
self.configuration = conf.Configuration(None)
self.configuration.set_default('fc_fabric_names', 'BRCD_FAB_2',
'fc-zone-manager')
self.configuration.fc_fabric_names = 'BRCD_FAB_2'
self.create_configuration()
# override some of the functions
def __init__(self, *args, **kwargs):
test.TestCase.__init__(self, *args, **kwargs)
def create_configuration(self):
fc_fabric_opts = []
fc_fabric_opts.append(cfg.StrOpt('fc_fabric_address',
default='10.24.49.100', help=''))
fc_fabric_opts.append(cfg.StrOpt('fc_fabric_user',
default='admin', help=''))
fc_fabric_opts.append(cfg.StrOpt('fc_fabric_password',
default='password', help='',
secret=True))
fc_fabric_opts.append(cfg.IntOpt('fc_fabric_port',
default=22, help=''))
fc_fabric_opts.append(cfg.StrOpt('principal_switch_wwn',
default='100000051e55a100', help=''))
config = conf.Configuration(fc_fabric_opts, 'BRCD_FAB_2')
self.fabric_configs = {'BRCD_FAB_2': config}
@mock.patch.object(paramiko.hostkeys.HostKeys, 'load')
def test_create_ssh_client(self, load_mock):
mock_args = {}
mock_args['known_hosts_file'] = 'dummy_host_key_file'
mock_args['missing_key_policy'] = paramiko.RejectPolicy()
ssh_client = self.create_ssh_client(**mock_args)
self.assertEqual(ssh_client._host_keys_filename, 'dummy_host_key_file')
self.assertTrue(isinstance(ssh_client._policy, paramiko.RejectPolicy))
mock_args = {}
ssh_client = self.create_ssh_client(**mock_args)
self.assertIsNone(ssh_client._host_keys_filename)
self.assertTrue(isinstance(ssh_client._policy, paramiko.WarningPolicy))
@mock.patch.object(brcd_lookup.BrcdFCSanLookupService,
'get_nameserver_info')
def test_get_device_mapping_from_network(self, get_nameserver_info_mock):
initiator_list = ['10008c7cff523b01']
target_list = ['20240002ac000a50', '20240002ac000a40']
with mock.patch.object(self.client, 'connect'):
get_nameserver_info_mock.return_value = (nsshow_data)
device_map = self.get_device_mapping_from_network(
initiator_list, target_list)
self.assertDictMatch(device_map, _device_map_to_verify)
@mock.patch.object(brcd_lookup.BrcdFCSanLookupService, '_get_switch_data')
def test_get_nameserver_info(self, get_switch_data_mock):
ns_info_list = []
ns_info_list_expected = ['20:1a:00:05:1e:e8:e3:29',
'20:1a:00:05:1e:e8:e3:29']
get_switch_data_mock.return_value = (switch_data)
ns_info_list = self.get_nameserver_info()
self.assertEqual(ns_info_list, ns_info_list_expected)
def test__get_switch_data(self):
cmd = fc_zone_constants.NS_SHOW
with mock.patch.object(self.client, 'exec_command') \
as exec_command_mock:
exec_command_mock.return_value = (Stream(),
Stream(nsshow),
Stream())
switch_data = self._get_switch_data(cmd)
self.assertEqual(switch_data, nsshow)
exec_command_mock.assert_called_once_with(cmd)
def test__parse_ns_output(self):
invalid_switch_data = [' N 011a00;20:1a:00:05:1e:e8:e3:29']
return_wwn_list = []
expected_wwn_list = ['20:1a:00:05:1e:e8:e3:29']
return_wwn_list = self._parse_ns_output(switch_data)
self.assertEqual(return_wwn_list, expected_wwn_list)
self.assertRaises(exception.InvalidParameterValue,
self._parse_ns_output, invalid_switch_data)
def test_get_formatted_wwn(self):
wwn_list = ['10008c7cff523b01']
return_wwn_list = []
expected_wwn_list = ['10:00:8c:7c:ff:52:3b:01']
return_wwn_list.append(self.get_formatted_wwn(wwn_list[0]))
self.assertEqual(return_wwn_list, expected_wwn_list)
class Channel(object):
def recv_exit_status(self):
return 0
class Stream(object):
def __init__(self, buffer=''):
self.buffer = buffer
self.channel = Channel()
def readlines(self):
return self.buffer
def close(self):
pass
def flush(self):
self.buffer = ''