neutron/neutron/tests/functional/agent/l3/test_keepalived_state_chang...

74 lines
2.8 KiB
Python

# Copyright (c) 2015 Red Hat Inc.
#
# 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.
import os
import mock
from oslo_config import cfg
from neutron.agent.l3 import keepalived_state_change
from neutron.openstack.common import uuidutils
from neutron.tests.functional import base
class TestKeepalivedStateChange(base.BaseSudoTestCase):
def setUp(self):
super(TestKeepalivedStateChange, self).setUp()
cfg.CONF.register_opt(
cfg.StrOpt('metadata_proxy_socket',
default='$state_path/metadata_proxy',
help=_('Location of Metadata Proxy UNIX domain '
'socket')))
self.router_id = uuidutils.generate_uuid()
self.conf_dir = self.get_default_temp_dir().path
self.cidr = '169.254.128.1/24'
self.interface_name = 'interface'
self.monitor = keepalived_state_change.MonitorDaemon(
self.get_temp_file_path('monitor.pid'),
self.router_id,
1,
2,
'namespace',
self.conf_dir,
self.interface_name,
self.cidr)
mock.patch.object(self.monitor, 'notify_agent').start()
self.line = '1: %s inet %s' % (self.interface_name, self.cidr)
def test_parse_and_handle_event_wrong_device_completes_without_error(self):
self.monitor.parse_and_handle_event(
'1: wrong_device inet wrong_cidr')
def _get_state(self):
with open(os.path.join(self.monitor.conf_dir, 'state')) as state_file:
return state_file.read()
def test_parse_and_handle_event_writes_to_file(self):
self.monitor.parse_and_handle_event('Deleted %s' % self.line)
self.assertEqual('backup', self._get_state())
self.monitor.parse_and_handle_event(self.line)
self.assertEqual('master', self._get_state())
def test_parse_and_handle_event_fails_writing_state(self):
with mock.patch.object(
self.monitor, 'write_state_change', side_effect=OSError):
self.monitor.parse_and_handle_event(self.line)
def test_parse_and_handle_event_fails_notifying_agent(self):
with mock.patch.object(
self.monitor, 'notify_agent', side_effect=Exception):
self.monitor.parse_and_handle_event(self.line)