Brocade: Fix AttributeError when raising exception
When we moved Brocade exceptions from cinder.exception to cinder.zonemanager.drivers.broade.exception we missed one file, brcd_rest_fc_zone_client, so when we use that file (setting `fc_southbound_protocol = REST_HTTP`) if it tries to raise an exception we end up seeing: AttributeError: module 'cinder.exception' has no attribute 'BrocadeZoningRestException' The CI didn't catch it because there are no unit tests for the brcd_rest_fc_zone_client.py file. This patch fixes the issue by changing the import so it gets the exceptions from the Brocade file and it also adds some tests for the first half (211 lines) of the code in the brcd_rest_fc_zone_client.py file. TrivialFix Closes-Bug: #1866860 Change-Id: Idfdb8796d5f4b650aa762e54a189c9ab48f93d1a
This commit is contained in:
Gorka Eguileor
parent
9cd71b9de8
commit
6dbd08b491
298
cinder/tests/unit/zonemanager/test_brcd_rest_fc_zone_client.py
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298
cinder/tests/unit/zonemanager/test_brcd_rest_fc_zone_client.py
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# Copyright 2020 Red Hat, 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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from unittest import mock
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import ddt
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from cinder.tests.unit import test
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from cinder.zonemanager.drivers.brocade import brcd_rest_fc_zone_client as \
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rest_client
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from cinder.zonemanager.drivers.brocade import fc_zone_constants
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@ddt.ddt
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class TestBrcdRestClient(test.TestCase):
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def setUp(self):
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super(TestBrcdRestClient, self).setUp()
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self.client = self._get_client()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_login', mock.Mock())
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def _get_client(self,
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ip=mock.sentinel.ipaddress,
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user=mock.sentinel.username,
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password=mock.sentinel.password,
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port=mock.sentinel.port,
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vfid=mock.sentinel.vfid,
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protocol=mock.sentinel.protocol):
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return rest_client.BrcdRestFCZoneClient(ip, user, password, port, vfid,
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protocol)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_login')
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def test_init(self, login_mock):
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res = rest_client.BrcdRestFCZoneClient(mock.sentinel.ipaddress,
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mock.sentinel.username,
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mock.sentinel.password,
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mock.sentinel.port,
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mock.sentinel.vfid,
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mock.sentinel.protocol)
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self.assertEqual(mock.sentinel.ipaddress, res.sw_ip)
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self.assertEqual(mock.sentinel.username, res.sw_user)
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self.assertEqual(mock.sentinel.password, res.sw_pwd)
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self.assertEqual(mock.sentinel.vfid, res.vfid)
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self.assertEqual(mock.sentinel.protocol, res.protocol)
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# Port parameter is not used by the class
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self.assertEqual('', res.status_code)
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self.assertIsNone(res.session)
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login_mock.assert_called_once_with()
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@ddt.data((False, '7.4.0'), (False, '8.2.0'),
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(True, '8.2.1'), (True, '9.0.0'))
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@ddt.unpack
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@mock.patch.object(rest_client.BrcdRestFCZoneClient,
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'_get_firmware_version')
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def test_is_supported_firmware(self, expected, version, mock_get_fw):
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mock_get_fw.return_value = version
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res = self.client.is_supported_firmware()
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self.assertIs(expected, res)
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mock_get_fw.assert_called_once_with()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient,
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'_get_effective_zone_set')
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def test_get_active_zone_set(self, get_effective_mock):
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get_effective_mock.return_value = (mock.sentinel.active_zone_set,
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mock.sentinel.checksum)
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res = self.client.get_active_zone_set()
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self.assertEqual(mock.sentinel.active_zone_set, res)
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get_effective_mock.assert_called_once_with()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_get_name_server')
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def test_get_nameserver_info(self, get_ns_mock):
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res = self.client.get_nameserver_info()
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self.assertEqual(get_ns_mock.return_value, res)
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get_ns_mock.assert_called_once_with()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_add_zones')
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def test_add_zones(self, add_mock):
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self.client.add_zones(mock.sentinel.add_zone_map,
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mock.sentinel.activate,
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mock.sentinel.active_zone_set__not_used)
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add_mock.assert_called_once_with(mock.sentinel.add_zone_map,
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mock.sentinel.activate)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_update_zones')
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def test_update_zones(self, update_mock):
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self.client.update_zones(mock.sentinel.zone_map,
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mock.sentinel.activate,
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mock.sentinel.operation,
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mock.sentinel.active_zone_set__not_used)
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update_mock.assert_called_once_with(mock.sentinel.zone_map,
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mock.sentinel.activate,
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mock.sentinel.operation)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_delete_zones')
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def test_delete_zones(self, delete_mock):
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self.client.delete_zones(mock.sentinel.zone_names,
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mock.sentinel.activate,
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mock.sentinel.active_zone_set__not_used)
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delete_mock.assert_called_once_with(mock.sentinel.zone_names,
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mock.sentinel.activate)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_logout')
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def test_cleanup(self, logout_mock):
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self.client.cleanup()
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logout_mock.assert_called_once_with()
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@ddt.data(200, 400)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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@mock.patch.object(rest_client, 'requests')
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def test__login(self, status_code, requests_mock, url_mock):
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session_mock = requests_mock.Session
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post_mock = session_mock.return_value.post
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post_mock.return_value.status_code = status_code
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post_mock.return_value.headers = {'Authorization': mock.sentinel.auth}
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adapter_mock = requests_mock.adapters.HTTPAdapter
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adapter_mock.return_value = 'adapter'
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client = self._get_client(protocol=fc_zone_constants.REST_HTTPS,
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user='username', password='password')
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expected_headers = {'User-Agent': 'OpenStack Zone Driver',
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'Accept': 'application/yang-data+json',
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'Content-Type': 'application/yang-data+json',
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'Authorization': mock.sentinel.auth}
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try:
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res = client._login()
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self.assertEqual(200, res)
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except rest_client.exception.BrocadeZoningRestException:
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self.assertNotEqual(200, status_code)
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expected_headers['Authorization'] = ('Basic '
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'dXNlcm5hbWU6cGFzc3dvcmQ=')
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del expected_headers['Content-Type']
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self.assertEqual(fc_zone_constants.HTTPS, client.protocol)
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session_mock.assert_called_once_with()
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self.assertEqual(requests_mock.Session.return_value, client.session)
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adapter_mock.assert_called_once_with(pool_connections=1,
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pool_maxsize=1)
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session_mock.return_value.mount.assert_called_once_with('https://',
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'adapter')
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url_mock.assert_called_once_with('/rest/login')
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post_mock.assert_called_once_with(url_mock.return_value)
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self.assertEqual(expected_headers,
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session_mock.return_value.headers)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test_logout(self, url_mock):
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session = mock.Mock()
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session.post.return_value.status_code = 204
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self.client.session = session
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self.client._logout()
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url_mock.assert_called_once_with('/rest/logout')
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session.post.assert_called_once_with(url_mock.return_value)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test_logout_fail(self, url_mock):
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session = mock.Mock()
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session.post.return_value.status_code = 400
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self.client.session = session
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self.assertRaises(rest_client.exception.BrocadeZoningRestException,
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self.client._logout)
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url_mock.assert_called_once_with('/rest/logout')
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session.post.assert_called_once_with(url_mock.return_value)
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test_get_firmware_version(self, url_mock):
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session = mock.Mock()
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session.get.return_value.status_code = 200
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session.get.return_value.json.return_value = {
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'Response': {
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'fibrechannel-switch': {
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'firmware-version': mock.sentinel.fw_version}}}
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self.client.session = session
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res = self.client._get_firmware_version()
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self.assertEqual(mock.sentinel.fw_version, res)
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url_mock.assert_called_once_with(
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'/rest/running/switch/fibrechannel-switch')
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session.get.assert_called_once_with(url_mock.return_value)
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session.get.return_value.json.assert_called_once_with()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test_get_firmware_version_fail(self, url_mock):
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session = mock.Mock()
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session.get.return_value.status_code = 400
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self.client.session = session
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self.assertRaises(rest_client.exception.BrocadeZoningRestException,
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self.client._get_firmware_version)
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url_mock.assert_called_once_with(
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'/rest/running/switch/fibrechannel-switch')
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session.get.assert_called_once_with(url_mock.return_value)
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session.get.return_value.json.assert_not_called()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test__get_name_server(self, url_mock):
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session = mock.Mock()
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session.get.return_value.status_code = 200
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session.get.return_value.json.return_value = {
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'Response': {
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'fibrechannel-name-server': [
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{'port-name': mock.sentinel.port1},
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{'port-name': mock.sentinel.port2}]}}
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self.client.session = session
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res = self.client._get_name_server()
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self.assertEqual([mock.sentinel.port1, mock.sentinel.port2], res)
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url_mock.assert_called_once_with(
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'/rest/running/brocade-name-server/fibrechannel-name-server')
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session.get.assert_called_once_with(url_mock.return_value)
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session.get.return_value.json.assert_called_once_with()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test__get_name_server_fail(self, url_mock):
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session = mock.Mock()
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session.get.return_value.status_code = 400
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self.client.session = session
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self.assertRaises(rest_client.exception.BrocadeZoningRestException,
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self.client._get_name_server)
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url_mock.assert_called_once_with(
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'/rest/running/brocade-name-server/fibrechannel-name-server')
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session.get.assert_called_once_with(url_mock.return_value)
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session.get.return_value.json.assert_not_called()
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@ddt.data(([{'zone-name': 'zone1',
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'member-entry': {'entry-name': 'entry1'}},
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{'zone-name': 'zone2',
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'member-entry': {'entry-name': 'entry2'}}],
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{'zone1': 'entry1', 'zone2': 'entry2'}),
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({'zone-name': 'zone1',
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'member-entry': {'entry-name': 'entry1'}},
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{'zone1': 'entry1'}),
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({}, {}))
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@ddt.unpack
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test_get_effective_zone_set(self, enabled_zone, expected_zones,
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url_mock):
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session = mock.Mock()
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session.get.return_value.status_code = 200
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session.get.return_value.json.return_value = {
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'Response': {
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'effective-configuration': {
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'checksum': mock.sentinel.checksum,
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'cfg-name': 'my-cfg',
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'enabled-zone': enabled_zone}}}
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self.client.session = session
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res = self.client._get_effective_zone_set()
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expected = ({'active_zone_config': 'my-cfg' if expected_zones else '',
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'zones': expected_zones},
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mock.sentinel.checksum)
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self.assertEqual(expected, res)
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url_mock.assert_called_once_with(
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'/rest/running/zoning/effective-configuration')
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session.get.assert_called_once_with(url_mock.return_value)
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session.get.return_value.json.assert_called_once_with()
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@mock.patch.object(rest_client.BrcdRestFCZoneClient, '_build_url')
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def test_get_effective_zone_set_fail(self, url_mock):
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session = mock.Mock()
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session.get.return_value.status_code = 400
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self.client.session = session
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self.assertRaises(rest_client.exception.BrocadeZoningRestException,
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self.client._get_effective_zone_set)
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url_mock.assert_called_once_with(
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'/rest/running/zoning/effective-configuration')
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session.get.assert_called_once_with(url_mock.return_value)
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session.get.return_value.json.assert_not_called()
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@ -25,8 +25,8 @@ from oslo_serialization import base64
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import requests
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import six
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from cinder import exception
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from cinder.i18n import _
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from cinder.zonemanager.drivers.brocade import exception
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from cinder.zonemanager.drivers.brocade import fc_zone_constants
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from cinder.zonemanager.drivers.brocade import rest_constants
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@ -0,0 +1,6 @@
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---
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fixes:
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- |
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Fix `AttributeError` on the Brocade ZM driver when using setting REST_HTTP
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or REST_HTTPS as the fc_southbound_protocol option and an exception is
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raised by the client (Bug #1866860).
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