OpenStack library for messaging
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# Copyright 2014 Canonical, Ltd.
#
# 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.
from oslo_utils import importutils
import testtools
from oslo_messaging.tests import utils as test_utils
redis = importutils.try_import('redis')
matchmaker_redis = (
importutils.try_import('oslo_messaging._drivers.matchmaker_redis'))
def redis_available():
'''Helper to see if local redis server is running'''
if not redis:
return False
try:
c = redis.StrictRedis(socket_timeout=1)
c.ping()
return True
except redis.exceptions.ConnectionError:
return False
@testtools.skipIf(not matchmaker_redis, "matchmaker/eventlet unavailable")
@testtools.skipIf(not redis_available(), "redis unavailable")
class RedisMatchMakerTest(test_utils.BaseTestCase):
def setUp(self):
super(RedisMatchMakerTest, self).setUp()
self.ring_data = {
"conductor": ["controller1", "node1", "node2", "node3"],
"scheduler": ["controller1", "node1", "node2", "node3"],
"network": ["controller1", "node1", "node2", "node3"],
"cert": ["controller1"],
"console": ["controller1"],
"consoleauth": ["controller1"]}
self.matcher = matchmaker_redis.MatchMakerRedis()
self.populate()
def tearDown(self):
super(RedisMatchMakerTest, self).tearDown()
c = redis.StrictRedis()
c.flushdb()
def populate(self):
for k, hosts in self.ring_data.items():
for h in hosts:
self.matcher.register(k, h)
def test_direct(self):
self.assertEqual(
self.matcher.queues('cert.controller1'),
[('cert.controller1', 'controller1')])
def test_register(self):
self.matcher.register('cert', 'keymaster')
self.assertEqual(
sorted(self.matcher.redis.smembers('cert')),
['cert.controller1', 'cert.keymaster'])
def test_unregister(self):
self.matcher.unregister('conductor', 'controller1')
self.assertEqual(
sorted(self.matcher.redis.smembers('conductor')),
['conductor.node1', 'conductor.node2', 'conductor.node3'])