def test_zmqdriver_listen_for_notification(self, mock_connection,
mock_listener):
mock_listener.return_value = listener = mock.Mock()
mock_connection.return_value = conn = mock.Mock()
conn.create_consumer = mock.Mock()
conn.consume_in_thread = mock.Mock()
topic = 'testtopic.foo'
data = [(messaging.Target(topic=topic), 0)]
# NOTE(jamespage): Pooling not supported, just pass None for now.
self.driver.listen_for_notifications(data, None)
conn.create_consumer.assert_called_with("%s-%s" % (topic, 0), listener)
def test_no_server_topic(self):
transport = messaging.get_transport(self.conf, url='fake:')
target = messaging.Target(server='testserver')
server = messaging.get_rpc_server(transport, target, [])
try:
server.start()
except Exception as ex:
self.assertIsInstance(ex, messaging.InvalidTarget, ex)
self.assertEqual('testserver', ex.target.server)
else:
self.assertTrue(False)
def test_send_no_reply(self):
driver = amqp_driver.ProtonDriver(self.conf, self._broker_url)
target = messaging.Target(topic="test-topic")
listener = _ListenerThread(driver.listen(target), 1)
rc = driver.send(target, {"context": True},
{"msg": "value"}, wait_for_reply=False)
self.assertIsNone(rc)
listener.join(timeout=30)
self.assertFalse(listener.isAlive())
self.assertEqual(listener.messages.get().message, {"msg": "value"})
driver.cleanup()
def __init__(self, context, id):
self.context = context
self.id = id
super(API, self).__init__()
target = messaging.Target(topic=self._get_routing_key(),
version=rpc_version.RPC_API_VERSION)
self.version_cap = rpc_version.VERSION_ALIASES.get(
CONF.upgrade_levels.guestagent)
self.client = self.get_client(target, self.version_cap)
def test_send_notification(self):
target = messaging.Target(exchange="exchange_test",
topic="topic_test.info")
with mock.patch('qpid.messaging.Connection') as conn_cls:
conn = conn_cls.return_value
session = conn.session.return_value
self.driver.send_notification(target, {}, {}, "2.0")
session.sender.assert_called_with(
AddressNodeMatcher(
"amq.topic/topic/exchange_test/topic_test.info"))
def test_dispatcher(self):
endpoints = []
for endpoint_methods in self.endpoints:
e = mock.Mock(spec=endpoint_methods)
endpoints.append(e)
for m in endpoint_methods:
method = getattr(e, m)
if self.ex:
method.side_effect = self.ex()
else:
method.return_value = self.return_value
msg = notification_msg.copy()
msg['priority'] = self.priority
targets = [messaging.Target(topic='notifications')]
dispatcher = notify_dispatcher.NotificationDispatcher(
targets, endpoints, None, allow_requeue=True)
# check it listen on wanted topics
self.assertEqual(
sorted(
set((targets[0], prio) for prio in
itertools.chain.from_iterable(self.endpoints))),
sorted(dispatcher._targets_priorities))
incoming = mock.Mock(ctxt={}, message=msg)
with dispatcher(incoming) as callback:
callback()
# check endpoint callbacks are called or not
for i, endpoint_methods in enumerate(self.endpoints):
for m in endpoint_methods:
if m == self.endpoints_expect_calls[i]:
method = getattr(endpoints[i], m)
method.assert_called_once_with({}, msg['publisher_id'],
msg['event_type'],
msg['payload'], {
'timestamp': mock.ANY,
'message_id': mock.ANY
})
else:
self.assertEqual(0, endpoints[i].call_count)
if self.ex:
self.assertEqual(1, incoming.acknowledge.call_count)
self.assertEqual(0, incoming.requeue.call_count)
elif self.return_value == messaging.NotificationResult.HANDLED \
or self.return_value is None:
self.assertEqual(1, incoming.acknowledge.call_count)
self.assertEqual(0, incoming.requeue.call_count)
elif self.return_value == messaging.NotificationResult.REQUEUE:
self.assertEqual(0, incoming.acknowledge.call_count)
self.assertEqual(1, incoming.requeue.call_count)
def test_zmqdriver_send_notification(self, mock_multi_send, mock_cast):
context = mock.Mock(autospec=impl_zmq.RpcContext)
topic = 'testtopic.foo'
topic_reformat = 'testtopic-foo'
msg = 'jeronimo'
self.driver.send_notification(messaging.Target(topic=topic), context,
msg, False, False)
mock_multi_send.assert_called_with(self.driver, mock_cast, context,
topic_reformat, msg,
allowed_remote_exmods=[],
envelope=False, pooled=True)
def test_two_exchanges(self):
transport = messaging.get_transport(self.conf, url='fake:')
endpoint = mock.Mock()
endpoint.info.return_value = None
targets = [messaging.Target(topic="topic",
exchange="exchange1"),
messaging.Target(topic="topic",
exchange="exchange2")]
listener_thread = self._setup_listener(transport, [endpoint], 3,
targets=targets)
notifier = self._setup_notifier(transport, topic="topic")
def mock_notifier_exchange(name):
def side_effect(target, ctxt, message, version):
target.exchange = name
return transport._driver.send_notification(target, ctxt,
message, version)
transport._send_notification = mock.MagicMock(
side_effect=side_effect)
notifier.info({'ctxt': '0'},
'an_event.start', 'test message default exchange')
mock_notifier_exchange('exchange1')
notifier.info({'ctxt': '1'},
'an_event.start', 'test message exchange1')
mock_notifier_exchange('exchange2')
notifier.info({'ctxt': '2'},
'an_event.start', 'test message exchange2')
self._stop_listener(listener_thread)
endpoint.info.assert_has_calls([
mock.call({'ctxt': '1'}, 'testpublisher', 'an_event.start',
'test message exchange1',
{'timestamp': mock.ANY, 'message_id': mock.ANY}),
mock.call({'ctxt': '2'}, 'testpublisher', 'an_event.start',
'test message exchange2',
{'timestamp': mock.ANY, 'message_id': mock.ANY})],
any_order=True)
def test_dispatcher(self):
endpoints = [mock.Mock(spec=_FakeEndpoint,
target=messaging.Target(**e))
for e in self.endpoints]
serializer = None
target = messaging.Target()
dispatcher = messaging.RPCDispatcher(target, endpoints, serializer)
def check_reply(reply=None, failure=None, log_failure=True):
if self.ex and failure is not None:
ex = failure[1]
self.assertFalse(self.success, ex)
self.assertIsNotNone(self.ex, ex)
self.assertIsInstance(ex, self.ex, ex)
if isinstance(ex, messaging.NoSuchMethod):
self.assertEqual(self.msg.get('method'), ex.method)
elif isinstance(ex, messaging.UnsupportedVersion):
self.assertEqual(self.msg.get('version', '1.0'),
ex.version)
else:
self.assertTrue(self.success, failure)
self.assertIsNone(failure)
incoming = mock.Mock(ctxt=self.ctxt, message=self.msg)
incoming.reply.side_effect = check_reply
with dispatcher(incoming) as callback:
callback()
for n, endpoint in enumerate(endpoints):
for method_name in ['foo', 'bar']:
method = getattr(endpoint, method_name)
if self.dispatch_to and n == self.dispatch_to['endpoint'] and \
method_name == self.dispatch_to['method']:
method.assert_called_once_with(
self.ctxt, **self.msg.get('args', {}))
else:
self.assertEqual(0, method.call_count)
self.assertEqual(1, incoming.reply.call_count)
def test_notification(self):
driver = amqp_driver.ProtonDriver(self.conf, self._broker_url)
notifications = [(messaging.Target(topic="topic-1"), 'info'),
(messaging.Target(topic="topic-1"), 'error'),
(messaging.Target(topic="topic-2"), 'debug')]
nl = driver.listen_for_notifications(notifications, None)
# send one for each support version:
msg_count = len(notifications) * 2
listener = _ListenerThread(nl, msg_count)
targets = [
'topic-1.info',
'topic-1.bad', # will raise MessagingDeliveryFailure
'bad-topic.debug', # will raise MessagingDeliveryFailure
'topic-1.error',
'topic-2.debug'
]
excepted_targets = []
exception_count = 0
for version in (1.0, 2.0):
for t in targets:
try:
driver.send_notification(messaging.Target(topic=t),
"context", {'target': t}, version)
except messaging.MessageDeliveryFailure:
exception_count += 1
excepted_targets.append(t)
listener.join(timeout=30)
self.assertFalse(listener.isAlive())
topics = [x.message.get('target') for x in listener.get_messages()]
self.assertEqual(len(topics), msg_count)
self.assertEqual(topics.count('topic-1.info'), 2)
self.assertEqual(topics.count('topic-1.error'), 2)
self.assertEqual(topics.count('topic-2.debug'), 2)
self.assertEqual(self._broker.dropped_count, 4)
self.assertEqual(exception_count, 4)
self.assertEqual(excepted_targets.count('topic-1.bad'), 2)
self.assertEqual(excepted_targets.count('bad-topic.debug'), 2)
driver.cleanup()
def test_zmqdriver_send(self, mock_multi_send, mock_cast):
context = mock.Mock(autospec=impl_zmq.RpcContext)
topic = 'testtopic'
msg = 'jeronimo'
self.driver.send(messaging.Target(topic=topic), context, msg, False, 0,
False)
mock_multi_send.assert_called_with(mock_cast,
context,
topic,
msg,
allowed_remote_exmods=[],
envelope=False)
def __init__(self, topic):
self.topic = topic
self.topic_network_delete = topics.get_topic_name(
topic, topics.NETWORK, topics.DELETE)
self.topic_port_update = topics.get_topic_name(topic, topics.PORT,
topics.UPDATE)
self.topic_port_delete = topics.get_topic_name(topic, topics.PORT,
topics.DELETE)
self.topic_tunnel_update = topics.get_topic_name(
topic, constants.TUNNEL, topics.UPDATE)
target = messaging.Target(topic=topic, version='1.0')
self.client = n_rpc.get_client(target)
def get_monitorlistner():
global _MONITOR_LISTENER
if not _MONITOR_LISTENER:
targets = [messaging.Target(topic=cfg.CONF.monitor.notifications)]
endpoints = [
def_monitor.DefaultMonitorNotificationEndPoint('defualt_monitor')
]
_MONITOR_LISTENER = messaging.get_notification_listener(
get_transport(), targets, endpoints, executor='eventlet')
return _MONITOR_LISTENER
class CiscoRouterPluginRpcCallbacks(l3_router_rpc.L3RouterCfgRpcCallbackMixin,
devices_rpc.DeviceCfgRpcCallbackMixin):
target = messaging.Target(version='1.1')
def __init__(self, l3plugin):
super(CiscoRouterPluginRpcCallbacks, self).__init__()
self._l3plugin = l3plugin
@property
def _core_plugin(self):
return manager.NeutronManager.get_plugin()
def _setup_listener(self, transport, endpoints, expect_messages,
targets=None):
listener = self.Listener(transport,
targets=targets or [
messaging.Target(topic='testtopic')],
expect_messages=expect_messages,
endpoints=endpoints)
thread = threading.Thread(target=listener.start)
thread.daemon = True
thread.start()
return thread
def __init__(self, topic=None):
super(ConductorAPI, self).__init__()
self.topic = topic
if self.topic is None:
self.topic = manager.MANAGER_TOPIC
target = messaging.Target(topic=self.topic, version='1.0')
serializer = objects_base.IronicObjectSerializer()
self.client = rpc.get_client(target,
version_cap=self.RPC_API_VERSION,
serializer=serializer)
self.ring_manager = hash.HashRingManager()
def __init__(self, transport=None, context=None, topic=None):
serializer = RequestContextSerializer(JsonPayloadSerializer())
if transport is None:
transport = messaging.get_transport(cfg.CONF,
aliases=TRANSPORT_ALIASES)
self._context = context
if topic is None:
topic = ''
target = messaging.Target(topic=topic)
self._client = messaging.RPCClient(transport,
target,
serializer=serializer)
def __init__(self, transport):
"""Constructs an RPC client for engine.
:param transport: Messaging transport.
"""
serializer = auth_ctx.RpcContextSerializer(
auth_ctx.JsonPayloadSerializer())
self._client = messaging.RPCClient(
transport,
messaging.Target(topic=cfg.CONF.engine.topic),
serializer=serializer)
class ServiceVMPluginRpcCallbacks(svm_rpc.DeviceSVMRpcCallbackMixin):
target = messaging.Target(version='1.0')
def __init__(self, servicevm_plugin, notifier):
super(ServiceVMPluginRpcCallbacks, self).__init__()
self._svm_plugin = servicevm_plugin
self.notifier = notifier
@property
def _core_plugin(self):
return manager.NeutronManager.get_plugin()
def test_broker_failover(self):
"""Simulate failover of one broker to another."""
self._brokers[0].start()
driver = amqp_driver.ProtonDriver(self.conf, self._broker_url)
target = messaging.Target(topic="my-topic")
listener = _ListenerThread(driver.listen(target), 2)
rc = driver.send(target, {"context": "whatever"}, {
"method": "echo",
"id": "echo-1"
},
wait_for_reply=True,
timeout=30)
self.assertIsNotNone(rc)
self.assertEqual(rc.get('correlation-id'), 'echo-1')
# 1 request msg, 1 response:
self.assertEqual(self._brokers[0].topic_count, 1)
self.assertEqual(self._brokers[0].direct_count, 1)
# fail broker 0 and start broker 1:
self._brokers[0].stop()
self._brokers[1].start()
deadline = time.time() + 30
responded = False
sequence = 2
while deadline > time.time() and not responded:
if not listener.isAlive():
# listener may have exited after replying to an old correlation
# id: restart new listener
listener = _ListenerThread(driver.listen(target), 1)
try:
rc = driver.send(target, {"context": "whatever"}, {
"method": "echo",
"id": "echo-%d" % sequence
},
wait_for_reply=True,
timeout=2)
self.assertIsNotNone(rc)
self.assertEqual(rc.get('correlation-id'),
'echo-%d' % sequence)
responded = True
except messaging.MessagingTimeout:
sequence += 1
self.assertTrue(responded)
listener.join(timeout=30)
self.assertFalse(listener.isAlive())
# note: stopping the broker first tests cleaning up driver without a
# connection active
self._brokers[1].stop()
driver.cleanup()
def test_no_target_topic(self):
transport = messaging.get_transport(self.conf, url='fake:')
listener = messaging.get_notification_listener(transport,
[messaging.Target()],
[mock.Mock()])
try:
listener.start()
except Exception as ex:
self.assertIsInstance(ex, messaging.InvalidTarget, ex)
else:
self.assertTrue(False)
def send(self, msg, target):
msg_ctxt = {}
targ = messaging.Target(topic=target, server='server1', version='1.0')
result = self._transport._send(
targ,
msg_ctxt,
msg,
wait_for_reply=True,
timeout=self.timeout,
)
return result
def notify(self, ctxt, message, priority):
priority = priority.lower()
for topic in self.topics:
target = messaging.Target(topic='%s.%s' % (topic, priority))
try:
self.transport._send_notification(target,
ctxt,
message,
version=self.version)
except Exception:
LOG.exception(
"Could not send notification to %(topic)s. "
"Payload=%(message)s", dict(topic=topic, message=message))
def test_call_serializer(self):
self.config(rpc_response_timeout=None)
transport = _FakeTransport(self.conf)
serializer = msg_serializer.NoOpSerializer()
client = messaging.RPCClient(transport, messaging.Target(),
serializer=serializer)
self.mox.StubOutWithMock(transport, '_send')
msg = dict(method='foo',
args=dict([(k, 's' + v) for k, v in self.args.items()]))
kwargs = dict(wait_for_reply=True, timeout=None) if self.call else {}
kwargs['retry'] = None
transport._send(messaging.Target(),
dict(user='******'),
msg,
**kwargs).AndReturn(self.retval)
self.mox.StubOutWithMock(serializer, 'serialize_entity')
self.mox.StubOutWithMock(serializer, 'deserialize_entity')
self.mox.StubOutWithMock(serializer, 'serialize_context')
for arg in self.args:
serializer.serialize_entity(self.ctxt, arg).AndReturn('s' + arg)
if self.call:
serializer.deserialize_entity(self.ctxt, self.retval).\
AndReturn('d' + self.retval)
serializer.serialize_context(self.ctxt).AndReturn(dict(user='******'))
self.mox.ReplayAll()
method = client.call if self.call else client.cast
retval = method(self.ctxt, 'foo', **self.args)
if self.retval is not None:
self.assertEqual('d' + self.retval, retval)
def main():
config.parse_args(sys.argv)
logging.setup('quaker')
messaging.set_transport_defaults('payload')
transport = messaging.get_transport(cfg.CONF)
targets = [messaging.Target(topic='notifications')]
endpoints = [
NotificationEndpoint(),
]
server = messaging.get_notification_listener(transport, targets, endpoints)
server.start()
server.wait()
def _get_targets(self):
"""
Set's up subscriptions for the various exchange+topic combinations that
we have a handler for.
"""
targets = []
for handler in self.handlers:
exchange, topics = handler.get_exchange_topics()
for topic in topics:
target = messaging.Target(exchange=exchange, topic=topic)
targets.append(target)
return targets
def test_no_target_server(self):
transport = messaging.get_transport(self.conf, url='fake:')
server = messaging.get_rpc_server(transport,
messaging.Target(topic='testtopic'),
[])
try:
server.start()
except Exception as ex:
self.assertIsInstance(ex, messaging.InvalidTarget, ex)
self.assertEqual(ex.target.topic, 'testtopic')
else:
self.assertTrue(False)
class TestTransportMethodArgs(test_utils.BaseTestCase):
_target = messaging.Target(topic='topic', server='server')
def test_send_defaults(self):
t = transport.Transport(_FakeDriver(cfg.CONF))
self.mox.StubOutWithMock(t._driver, 'send')
t._driver.send(self._target,
'ctxt',
'message',
wait_for_reply=None,
timeout=None)
self.mox.ReplayAll()
t._send(self._target, 'ctxt', 'message')
def test_send_all_args(self):
t = transport.Transport(_FakeDriver(cfg.CONF))
self.mox.StubOutWithMock(t._driver, 'send')
t._driver.send(self._target,
'ctxt',
'message',
wait_for_reply='wait_for_reply',
timeout='timeout')
self.mox.ReplayAll()
t._send(self._target,
'ctxt',
'message',
wait_for_reply='wait_for_reply',
timeout='timeout')
def test_send_notification(self):
t = transport.Transport(_FakeDriver(cfg.CONF))
self.mox.StubOutWithMock(t._driver, 'send_notification')
t._driver.send_notification(self._target, 'ctxt', 'message', 1.0)
self.mox.ReplayAll()
t._send_notification(self._target, 'ctxt', 'message', version=1.0)
def test_listen(self):
t = transport.Transport(_FakeDriver(cfg.CONF))
self.mox.StubOutWithMock(t._driver, 'listen')
t._driver.listen(self._target)
self.mox.ReplayAll()
t._listen(self._target)
def test_cast_to_target(self):
target = messaging.Target(**self.ctor)
expect_target = messaging.Target(**self.expect)
transport = _FakeTransport(self.conf)
client = messaging.RPCClient(transport, target)
self.mox.StubOutWithMock(transport, '_send')
msg = dict(method='foo', args={})
if 'namespace' in self.expect:
msg['namespace'] = self.expect['namespace']
if 'version' in self.expect:
msg['version'] = self.expect['version']
transport._send(expect_target, {}, msg, retry=None)
self.mox.ReplayAll()
if self.prepare:
client = client.prepare(**self.prepare)
if self.double_prepare:
client = client.prepare(**self.prepare)
client.cast({}, 'foo')
def test_request_wire_format(self):
if hasattr(self, 'skip_msg'):
self.skipTest(self.skip_msg)
transport = messaging.get_transport(self.conf, 'kombu+memory:////')
self.addCleanup(transport.cleanup)
driver = transport._driver
target = messaging.Target(topic=self.topic,
server=self.server,
fanout=self.fanout)
connection, channel, queue = _declare_queue(target)
self.addCleanup(connection.release)
driver.send(target, self.ctxt, self.msg)
msgs = []
def callback(msg):
msg = channel.message_to_python(msg)
msg.ack()
msgs.append(msg.payload)
queue.consume(callback=callback,
consumer_tag='1',
nowait=False)
connection.drain_events()
self.assertEqual(1, len(msgs))
self.assertIn('oslo.message', msgs[0])
received = msgs[0]
received['oslo.message'] = jsonutils.loads(received['oslo.message'])
# FIXME(markmc): add _msg_id and _reply_q check
expected_msg = {
'_unique_id': self.uuids[0].hex,
}
expected_msg.update(self.expected)
expected_msg.update(self.expected_ctxt)
expected = {
'oslo.version': '2.0',
'oslo.message': expected_msg,
}
self.assertEqual(expected, received)
