oslo.messaging/oslo_messaging/tests/drivers/test_impl_rabbit.py
Brant Knudson 4531490b05 Remove use of mox stubs
OpenStack projects should be using mock rather than mox.
oslo.messaging was using mox's stubs via oslotest rather than
mock.patch.object. The code is converted to use mock.patch.object
via fixtures.MockPatchObject.

Change-Id: I19490b4e8211c35b237ebfd38bf2f8b8b44cbf61
2017-04-28 18:31:46 +08:00

1049 lines
40 KiB
Python

# Copyright 2013 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 datetime
import ssl
import sys
import threading
import time
import uuid
import fixtures
import kombu
import kombu.transport.memory
from oslo_config import cfg
from oslo_serialization import jsonutils
import testscenarios
import oslo_messaging
from oslo_messaging._drivers import amqpdriver
from oslo_messaging._drivers import common as driver_common
from oslo_messaging._drivers import impl_rabbit as rabbit_driver
from oslo_messaging.tests import utils as test_utils
from six.moves import mock
load_tests = testscenarios.load_tests_apply_scenarios
class TestDeprecatedRabbitDriverLoad(test_utils.BaseTestCase):
def setUp(self):
super(TestDeprecatedRabbitDriverLoad, self).setUp(
conf=cfg.ConfigOpts())
self.messaging_conf.transport_driver = 'rabbit'
self.config(fake_rabbit=True, group="oslo_messaging_rabbit")
def test_driver_load(self):
transport = oslo_messaging.get_transport(self.conf)
self.addCleanup(transport.cleanup)
driver = transport._driver
url = driver._get_connection()._url
self.assertIsInstance(driver, rabbit_driver.RabbitDriver)
self.assertEqual('memory:////', url)
class TestHeartbeat(test_utils.BaseTestCase):
@mock.patch('oslo_messaging._drivers.impl_rabbit.LOG')
@mock.patch('kombu.connection.Connection.heartbeat_check')
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.'
'_heartbeat_supported_and_enabled', return_value=True)
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.'
'ensure_connection')
def _do_test_heartbeat_sent(self, fake_ensure_connection,
fake_heartbeat_support, fake_heartbeat,
fake_logger, heartbeat_side_effect=None,
info=None):
event = threading.Event()
def heartbeat_check(rate=2):
event.set()
if heartbeat_side_effect:
raise heartbeat_side_effect
fake_heartbeat.side_effect = heartbeat_check
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
conn = transport._driver._get_connection()
conn.ensure(method=lambda: True)
event.wait()
conn._heartbeat_stop()
# check heartbeat have been called
self.assertLess(0, fake_heartbeat.call_count)
if not heartbeat_side_effect:
self.assertEqual(1, fake_ensure_connection.call_count)
self.assertEqual(2, fake_logger.debug.call_count)
self.assertEqual(0, fake_logger.info.call_count)
else:
self.assertEqual(2, fake_ensure_connection.call_count)
self.assertEqual(2, fake_logger.debug.call_count)
self.assertEqual(1, fake_logger.info.call_count)
self.assertIn(mock.call(info, mock.ANY),
fake_logger.info.mock_calls)
def test_test_heartbeat_sent_default(self):
self._do_test_heartbeat_sent()
def test_test_heartbeat_sent_connection_fail(self):
self._do_test_heartbeat_sent(
heartbeat_side_effect=kombu.exceptions.OperationalError,
info='A recoverable connection/channel error occurred, '
'trying to reconnect: %s')
class TestRabbitQos(test_utils.BaseTestCase):
def connection_with(self, prefetch, purpose):
self.config(rabbit_qos_prefetch_count=prefetch,
group="oslo_messaging_rabbit")
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
transport._driver._get_connection(purpose)
@mock.patch('kombu.transport.memory.Channel.basic_qos')
def test_qos_sent_on_listen_connection(self, fake_basic_qos):
self.connection_with(prefetch=1, purpose=driver_common.PURPOSE_LISTEN)
fake_basic_qos.assert_called_once_with(0, 1, False)
@mock.patch('kombu.transport.memory.Channel.basic_qos')
def test_qos_not_sent_when_cfg_zero(self, fake_basic_qos):
self.connection_with(prefetch=0, purpose=driver_common.PURPOSE_LISTEN)
fake_basic_qos.assert_not_called()
@mock.patch('kombu.transport.memory.Channel.basic_qos')
def test_qos_not_sent_on_send_connection(self, fake_basic_qos):
self.connection_with(prefetch=1, purpose=driver_common.PURPOSE_SEND)
fake_basic_qos.assert_not_called()
class TestRabbitDriverLoad(test_utils.BaseTestCase):
scenarios = [
('rabbit', dict(transport_driver='rabbit',
url='amqp://guest:guest@localhost:5672//')),
('kombu', dict(transport_driver='kombu',
url='amqp://guest:guest@localhost:5672//')),
('rabbit+memory', dict(transport_driver='kombu+memory',
url='memory:///'))
]
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.ensure')
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.reset')
def test_driver_load(self, fake_ensure, fake_reset):
self.config(heartbeat_timeout_threshold=60,
group='oslo_messaging_rabbit')
self.messaging_conf.transport_driver = self.transport_driver
transport = oslo_messaging.get_transport(self.conf)
self.addCleanup(transport.cleanup)
driver = transport._driver
url = driver._get_connection()._url
self.assertIsInstance(driver, rabbit_driver.RabbitDriver)
self.assertEqual(self.url, url)
class TestRabbitDriverLoadSSL(test_utils.BaseTestCase):
scenarios = [
('no_ssl', dict(options=dict(), expected=False)),
('no_ssl_with_options', dict(options=dict(ssl_version='TLSv1'),
expected=False)),
('just_ssl', dict(options=dict(ssl=True),
expected=True)),
('ssl_with_options', dict(options=dict(ssl=True,
ssl_version='TLSv1',
ssl_key_file='foo',
ssl_cert_file='bar',
ssl_ca_file='foobar'),
expected=dict(ssl_version=3,
keyfile='foo',
certfile='bar',
ca_certs='foobar',
cert_reqs=ssl.CERT_REQUIRED))),
]
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.ensure')
@mock.patch('kombu.connection.Connection')
def test_driver_load(self, connection_klass, fake_ensure):
self.config(group="oslo_messaging_rabbit", **self.options)
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
connection = transport._driver._get_connection()
connection_klass.assert_called_once_with(
'memory:///', transport_options={
'client_properties': {
'capabilities': {
'connection.blocked': True,
'consumer_cancel_notify': True,
'authentication_failure_close': True,
},
'connection_name': connection.name},
'confirm_publish': True,
'on_blocked': mock.ANY,
'on_unblocked': mock.ANY},
ssl=self.expected, login_method='AMQPLAIN',
heartbeat=60, failover_strategy='round-robin'
)
class TestRabbitPublisher(test_utils.BaseTestCase):
@mock.patch('kombu.messaging.Producer.publish')
def test_send_with_timeout(self, fake_publish):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
exchange_mock = mock.Mock()
with transport._driver._get_connection(
driver_common.PURPOSE_SEND) as pool_conn:
conn = pool_conn.connection
conn._publish(exchange_mock, 'msg', routing_key='routing_key',
timeout=1)
fake_publish.assert_called_with(
'msg', expiration=1,
exchange=exchange_mock,
compression=self.conf.oslo_messaging_rabbit.kombu_compression,
routing_key='routing_key')
@mock.patch('kombu.messaging.Producer.publish')
def test_send_no_timeout(self, fake_publish):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
exchange_mock = mock.Mock()
with transport._driver._get_connection(
driver_common.PURPOSE_SEND) as pool_conn:
conn = pool_conn.connection
conn._publish(exchange_mock, 'msg', routing_key='routing_key')
fake_publish.assert_called_with(
'msg', expiration=None,
compression=self.conf.oslo_messaging_rabbit.kombu_compression,
exchange=exchange_mock,
routing_key='routing_key')
def test_declared_queue_publisher(self):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
e_passive = kombu.entity.Exchange(
name='foobar',
type='topic',
passive=True)
e_active = kombu.entity.Exchange(
name='foobar',
type='topic',
passive=False)
with transport._driver._get_connection(
driver_common.PURPOSE_SEND) as pool_conn:
conn = pool_conn.connection
exc = conn.connection.channel_errors[0]
def try_send(exchange):
conn._ensure_publishing(
conn._publish_and_creates_default_queue,
exchange, {}, routing_key='foobar')
with mock.patch('kombu.transport.virtual.Channel.close'):
# Ensure the exchange does not exists
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
try_send, e_passive)
# Create it
try_send(e_active)
# Ensure it creates it
try_send(e_passive)
with mock.patch('kombu.messaging.Producer.publish',
side_effect=exc):
with mock.patch('kombu.transport.virtual.Channel.close'):
# Ensure the exchange is already in cache
self.assertIn('foobar', conn._declared_exchanges)
# Reset connection
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
try_send, e_passive)
# Ensure the cache is empty
self.assertEqual(0, len(conn._declared_exchanges))
try_send(e_active)
self.assertIn('foobar', conn._declared_exchanges)
class TestRabbitConsume(test_utils.BaseTestCase):
def test_consume_timeout(self):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
deadline = time.time() + 6
with transport._driver._get_connection(
driver_common.PURPOSE_LISTEN) as conn:
self.assertRaises(driver_common.Timeout,
conn.consume, timeout=3)
# kombu memory transport doesn't really raise error
# so just simulate a real driver behavior
conn.connection.connection.recoverable_channel_errors = (IOError,)
conn.declare_fanout_consumer("notif.info", lambda msg: True)
with mock.patch('kombu.connection.Connection.drain_events',
side_effect=IOError):
self.assertRaises(driver_common.Timeout,
conn.consume, timeout=3)
self.assertEqual(0, int(deadline - time.time()))
def test_consume_from_missing_queue(self):
transport = oslo_messaging.get_transport(self.conf, 'kombu+memory://')
self.addCleanup(transport.cleanup)
with transport._driver._get_connection(
driver_common.PURPOSE_LISTEN) as conn:
with mock.patch('kombu.Queue.consume') as consume, mock.patch(
'kombu.Queue.declare') as declare:
conn.declare_topic_consumer(exchange_name='test',
topic='test',
callback=lambda msg: True)
import amqp
consume.side_effect = [amqp.NotFound, None]
conn.connection.connection.recoverable_connection_errors = ()
conn.connection.connection.recoverable_channel_errors = ()
self.assertEqual(1, declare.call_count)
conn.connection.connection.drain_events = mock.Mock()
# Ensure that a queue will be re-declared if the consume method
# of kombu.Queue raise amqp.NotFound
conn.consume()
self.assertEqual(2, declare.call_count)
def test_consume_from_missing_queue_with_io_error_on_redeclaration(self):
transport = oslo_messaging.get_transport(self.conf, 'kombu+memory://')
self.addCleanup(transport.cleanup)
with transport._driver._get_connection(
driver_common.PURPOSE_LISTEN) as conn:
with mock.patch('kombu.Queue.consume') as consume, mock.patch(
'kombu.Queue.declare') as declare:
conn.declare_topic_consumer(exchange_name='test',
topic='test',
callback=lambda msg: True)
import amqp
consume.side_effect = [amqp.NotFound, None]
declare.side_effect = [IOError, None]
conn.connection.connection.recoverable_connection_errors = (
IOError,)
conn.connection.connection.recoverable_channel_errors = ()
self.assertEqual(1, declare.call_count)
conn.connection.connection.drain_events = mock.Mock()
# Ensure that a queue will be re-declared after
# 'queue not found' exception despite on connection error.
conn.consume()
self.assertEqual(3, declare.call_count)
def test_connection_ack_have_disconnected_kombu_connection(self):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
with transport._driver._get_connection(
driver_common.PURPOSE_LISTEN) as conn:
channel = conn.connection.channel
with mock.patch('kombu.connection.Connection.connected',
new_callable=mock.PropertyMock,
return_value=False):
self.assertRaises(driver_common.Timeout,
conn.connection.consume, timeout=0.01)
# Ensure a new channel have been setuped
self.assertNotEqual(channel, conn.connection.channel)
class TestRabbitTransportURL(test_utils.BaseTestCase):
scenarios = [
('none', dict(url=None,
expected=["amqp://guest:guest@localhost:5672//"])),
('memory', dict(url='kombu+memory:////',
expected=["memory:///"])),
('empty',
dict(url='rabbit:///',
expected=['amqp://guest:guest@localhost:5672/'])),
('localhost',
dict(url='rabbit://localhost/',
expected=['amqp://:@localhost:5672/'])),
('virtual_host',
dict(url='rabbit:///vhost',
expected=['amqp://guest:guest@localhost:5672/vhost'])),
('no_creds',
dict(url='rabbit://host/virtual_host',
expected=['amqp://:@host:5672/virtual_host'])),
('no_port',
dict(url='rabbit://user:password@host/virtual_host',
expected=['amqp://user:password@host:5672/virtual_host'])),
('full_url',
dict(url='rabbit://user:password@host:10/virtual_host',
expected=['amqp://user:password@host:10/virtual_host'])),
('full_two_url',
dict(url='rabbit://user:password@host:10,'
'user2:password2@host2:12/virtual_host',
expected=["amqp://user:password@host:10/virtual_host",
"amqp://user2:password2@host2:12/virtual_host"]
)),
('rabbit_ipv6',
dict(url='rabbit://u:p@[fd00:beef:dead:55::133]:10/vhost',
expected=['amqp://u:p@[fd00:beef:dead:55::133]:10/vhost'])),
('rabbit_ipv4',
dict(url='rabbit://user:password@10.20.30.40:10/vhost',
expected=['amqp://user:password@10.20.30.40:10/vhost'])),
]
def setUp(self):
super(TestRabbitTransportURL, self).setUp()
self.messaging_conf.transport_driver = 'rabbit'
self.config(heartbeat_timeout_threshold=0,
group='oslo_messaging_rabbit')
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.ensure')
@mock.patch('oslo_messaging._drivers.impl_rabbit.Connection.reset')
def test_transport_url(self, fake_reset, fake_ensure):
transport = oslo_messaging.get_transport(self.conf, self.url)
self.addCleanup(transport.cleanup)
driver = transport._driver
urls = driver._get_connection()._url.split(";")
self.assertEqual(sorted(self.expected), sorted(urls))
class TestSendReceive(test_utils.BaseTestCase):
_n_senders = [
('single_sender', dict(n_senders=1)),
('multiple_senders', dict(n_senders=10)),
]
_context = [
('empty_context', dict(ctxt={})),
('with_context', dict(ctxt={'user': 'mark'})),
]
_reply = [
('rx_id', dict(rx_id=True, reply=None)),
('none', dict(rx_id=False, reply=None)),
('empty_list', dict(rx_id=False, reply=[])),
('empty_dict', dict(rx_id=False, reply={})),
('false', dict(rx_id=False, reply=False)),
('zero', dict(rx_id=False, reply=0)),
]
_failure = [
('success', dict(failure=False)),
('failure', dict(failure=True, expected=False)),
('expected_failure', dict(failure=True, expected=True)),
]
_timeout = [
('no_timeout', dict(timeout=None)),
('timeout', dict(timeout=0.01)), # FIXME(markmc): timeout=0 is broken?
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._n_senders,
cls._context,
cls._reply,
cls._failure,
cls._timeout)
def test_send_receive(self):
self.config(kombu_missing_consumer_retry_timeout=0.5,
group="oslo_messaging_rabbit")
self.config(heartbeat_timeout_threshold=0,
group="oslo_messaging_rabbit")
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
driver = transport._driver
target = oslo_messaging.Target(topic='testtopic')
listener = driver.listen(target, None, None)._poll_style_listener
senders = []
replies = []
msgs = []
def send_and_wait_for_reply(i):
try:
timeout = self.timeout
replies.append(driver.send(target,
self.ctxt,
{'tx_id': i},
wait_for_reply=True,
timeout=timeout))
self.assertFalse(self.failure)
self.assertIsNone(self.timeout)
except (ZeroDivisionError, oslo_messaging.MessagingTimeout) as e:
replies.append(e)
self.assertTrue(self.failure or self.timeout is not None)
while len(senders) < self.n_senders:
senders.append(threading.Thread(target=send_and_wait_for_reply,
args=(len(senders), )))
for i in range(len(senders)):
senders[i].start()
received = listener.poll()[0]
self.assertIsNotNone(received)
self.assertEqual(self.ctxt, received.ctxt)
self.assertEqual({'tx_id': i}, received.message)
msgs.append(received)
# reply in reverse, except reply to the first guy second from last
order = list(range(len(senders) - 1, -1, -1))
if len(order) > 1:
order[-1], order[-2] = order[-2], order[-1]
for i in order:
if self.timeout is None:
if self.failure:
try:
raise ZeroDivisionError
except Exception:
failure = sys.exc_info()
msgs[i].reply(failure=failure)
elif self.rx_id:
msgs[i].reply({'rx_id': i})
else:
msgs[i].reply(self.reply)
senders[i].join()
self.assertEqual(len(senders), len(replies))
for i, reply in enumerate(replies):
if self.timeout is not None:
self.assertIsInstance(reply, oslo_messaging.MessagingTimeout)
elif self.failure:
self.assertIsInstance(reply, ZeroDivisionError)
elif self.rx_id:
self.assertEqual({'rx_id': order[i]}, reply)
else:
self.assertEqual(self.reply, reply)
TestSendReceive.generate_scenarios()
class TestPollAsync(test_utils.BaseTestCase):
def test_poll_timeout(self):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
driver = transport._driver
target = oslo_messaging.Target(topic='testtopic')
listener = driver.listen(target, None, None)._poll_style_listener
received = listener.poll(timeout=0.050)
self.assertEqual([], received)
class TestRacyWaitForReply(test_utils.BaseTestCase):
def test_send_receive(self):
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
driver = transport._driver
target = oslo_messaging.Target(topic='testtopic')
listener = driver.listen(target, None, None)._poll_style_listener
senders = []
replies = []
msgs = []
wait_conditions = []
orig_reply_waiter = amqpdriver.ReplyWaiter.wait
def reply_waiter(self, msg_id, timeout):
if wait_conditions:
cond = wait_conditions.pop()
with cond:
cond.notify()
with cond:
cond.wait()
return orig_reply_waiter(self, msg_id, timeout)
self.useFixture(fixtures.MockPatchObject(
amqpdriver.ReplyWaiter, 'wait', reply_waiter))
def send_and_wait_for_reply(i, wait_for_reply):
replies.append(driver.send(target,
{},
{'tx_id': i},
wait_for_reply=wait_for_reply,
timeout=None))
while len(senders) < 2:
t = threading.Thread(target=send_and_wait_for_reply,
args=(len(senders), True))
t.daemon = True
senders.append(t)
# test the case then msg_id is not set
t = threading.Thread(target=send_and_wait_for_reply,
args=(len(senders), False))
t.daemon = True
senders.append(t)
# Start the first guy, receive his message, but delay his polling
notify_condition = threading.Condition()
wait_conditions.append(notify_condition)
with notify_condition:
senders[0].start()
notify_condition.wait()
msgs.extend(listener.poll())
self.assertEqual({'tx_id': 0}, msgs[-1].message)
# Start the second guy, receive his message
senders[1].start()
msgs.extend(listener.poll())
self.assertEqual({'tx_id': 1}, msgs[-1].message)
# Reply to both in order, making the second thread queue
# the reply meant for the first thread
msgs[0].reply({'rx_id': 0})
msgs[1].reply({'rx_id': 1})
# Wait for the second thread to finish
senders[1].join()
# Start the 3rd guy, receive his message
senders[2].start()
msgs.extend(listener.poll())
self.assertEqual({'tx_id': 2}, msgs[-1].message)
# Verify the _send_reply was not invoked by driver:
with mock.patch.object(msgs[2], '_send_reply') as method:
msgs[2].reply({'rx_id': 2})
self.assertEqual(0, method.call_count)
# Wait for the 3rd thread to finish
senders[2].join()
# Let the first thread continue
with notify_condition:
notify_condition.notify()
# Wait for the first thread to finish
senders[0].join()
# Verify replies were received out of order
self.assertEqual(len(senders), len(replies))
self.assertEqual({'rx_id': 1}, replies[0])
self.assertIsNone(replies[1])
self.assertEqual({'rx_id': 0}, replies[2])
def _declare_queue(target):
connection = kombu.connection.BrokerConnection(transport='memory')
# Kludge to speed up tests.
connection.transport.polling_interval = 0.0
connection.connect()
channel = connection.channel()
# work around 'memory' transport bug in 1.1.3
channel._new_queue('ae.undeliver')
if target.fanout:
exchange = kombu.entity.Exchange(name=target.topic + '_fanout',
type='fanout',
durable=False,
auto_delete=True)
queue = kombu.entity.Queue(name=target.topic + '_fanout_12345',
channel=channel,
exchange=exchange,
routing_key=target.topic)
elif target.server:
exchange = kombu.entity.Exchange(name='openstack',
type='topic',
durable=False,
auto_delete=False)
topic = '%s.%s' % (target.topic, target.server)
queue = kombu.entity.Queue(name=topic,
channel=channel,
exchange=exchange,
routing_key=topic)
else:
exchange = kombu.entity.Exchange(name='openstack',
type='topic',
durable=False,
auto_delete=False)
queue = kombu.entity.Queue(name=target.topic,
channel=channel,
exchange=exchange,
routing_key=target.topic)
queue.declare()
return connection, channel, queue
class TestRequestWireFormat(test_utils.BaseTestCase):
_target = [
('topic_target',
dict(topic='testtopic', server=None, fanout=False)),
('server_target',
dict(topic='testtopic', server='testserver', fanout=False)),
('fanout_target',
dict(topic='testtopic', server=None, fanout=True)),
]
_msg = [
('empty_msg',
dict(msg={}, expected={})),
('primitive_msg',
dict(msg={'foo': 'bar'}, expected={'foo': 'bar'})),
('complex_msg',
dict(msg={'a': {'b': datetime.datetime(1920, 2, 3, 4, 5, 6, 7)}},
expected={'a': {'b': '1920-02-03T04:05:06.000007'}})),
]
_context = [
('empty_ctxt', dict(ctxt={}, expected_ctxt={})),
('user_project_ctxt',
dict(ctxt={'user': 'mark', 'project': 'snarkybunch'},
expected_ctxt={'_context_user': 'mark',
'_context_project': 'snarkybunch'})),
]
_compression = [
('gzip_compression', dict(compression='gzip')),
('without_compression', dict(compression=None))
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._msg,
cls._context,
cls._target,
cls._compression)
def setUp(self):
super(TestRequestWireFormat, self).setUp()
self.uuids = []
self.orig_uuid4 = uuid.uuid4
self.useFixture(fixtures.MonkeyPatch('uuid.uuid4', self.mock_uuid4))
def mock_uuid4(self):
self.uuids.append(self.orig_uuid4())
return self.uuids[-1]
def test_request_wire_format(self):
self.conf.oslo_messaging_rabbit.kombu_compression = self.compression
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
driver = transport._driver
target = oslo_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)
TestRequestWireFormat.generate_scenarios()
def _create_producer(target):
connection = kombu.connection.BrokerConnection(transport='memory')
# Kludge to speed up tests.
connection.transport.polling_interval = 0.0
connection.connect()
channel = connection.channel()
# work around 'memory' transport bug in 1.1.3
channel._new_queue('ae.undeliver')
if target.fanout:
exchange = kombu.entity.Exchange(name=target.topic + '_fanout',
type='fanout',
durable=False,
auto_delete=True)
producer = kombu.messaging.Producer(exchange=exchange,
channel=channel,
routing_key=target.topic)
elif target.server:
exchange = kombu.entity.Exchange(name='openstack',
type='topic',
durable=False,
auto_delete=False)
topic = '%s.%s' % (target.topic, target.server)
producer = kombu.messaging.Producer(exchange=exchange,
channel=channel,
routing_key=topic)
else:
exchange = kombu.entity.Exchange(name='openstack',
type='topic',
durable=False,
auto_delete=False)
producer = kombu.messaging.Producer(exchange=exchange,
channel=channel,
routing_key=target.topic)
return connection, producer
class TestReplyWireFormat(test_utils.BaseTestCase):
_target = [
('topic_target',
dict(topic='testtopic', server=None, fanout=False)),
('server_target',
dict(topic='testtopic', server='testserver', fanout=False)),
('fanout_target',
dict(topic='testtopic', server=None, fanout=True)),
]
_msg = [
('empty_msg',
dict(msg={}, expected={})),
('primitive_msg',
dict(msg={'foo': 'bar'}, expected={'foo': 'bar'})),
('complex_msg',
dict(msg={'a': {'b': '1920-02-03T04:05:06.000007'}},
expected={'a': {'b': '1920-02-03T04:05:06.000007'}})),
]
_context = [
('empty_ctxt', dict(ctxt={}, expected_ctxt={})),
('user_project_ctxt',
dict(ctxt={'_context_user': 'mark',
'_context_project': 'snarkybunch'},
expected_ctxt={'user': 'mark', 'project': 'snarkybunch'})),
]
_compression = [
('gzip_compression', dict(compression='gzip')),
('without_compression', dict(compression=None))
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._msg,
cls._context,
cls._target,
cls._compression)
def test_reply_wire_format(self):
self.conf.oslo_messaging_rabbit.kombu_compression = self.compression
transport = oslo_messaging.get_transport(self.conf,
'kombu+memory:////')
self.addCleanup(transport.cleanup)
driver = transport._driver
target = oslo_messaging.Target(topic=self.topic,
server=self.server,
fanout=self.fanout)
listener = driver.listen(target, None, None)._poll_style_listener
connection, producer = _create_producer(target)
self.addCleanup(connection.release)
msg = {
'oslo.version': '2.0',
'oslo.message': {}
}
msg['oslo.message'].update(self.msg)
msg['oslo.message'].update(self.ctxt)
msg['oslo.message'].update({
'_msg_id': uuid.uuid4().hex,
'_unique_id': uuid.uuid4().hex,
'_reply_q': 'reply_' + uuid.uuid4().hex,
})
msg['oslo.message'] = jsonutils.dumps(msg['oslo.message'])
producer.publish(msg)
received = listener.poll()[0]
self.assertIsNotNone(received)
self.assertEqual(self.expected_ctxt, received.ctxt)
self.assertEqual(self.expected, received.message)
TestReplyWireFormat.generate_scenarios()
class RpcKombuHATestCase(test_utils.BaseTestCase):
def setUp(self):
super(RpcKombuHATestCase, self).setUp()
self.brokers = ['host1', 'host2', 'host3', 'host4', 'host5']
self.config(rabbit_hosts=self.brokers,
rabbit_retry_interval=0.01,
rabbit_retry_backoff=0.01,
kombu_reconnect_delay=0,
heartbeat_timeout_threshold=0,
group="oslo_messaging_rabbit")
self.useFixture(fixtures.MockPatch(
'kombu.connection.Connection.connection'))
self.useFixture(fixtures.MockPatch(
'kombu.connection.Connection.channel'))
# starting from the first broker in the list
url = oslo_messaging.TransportURL.parse(self.conf, None)
self.connection = rabbit_driver.Connection(self.conf, url,
driver_common.PURPOSE_SEND)
self.kombu_connect = mock.Mock()
self.useFixture(fixtures.MockPatch(
'kombu.connection.Connection.connect',
side_effect=self.kombu_connect))
self.addCleanup(self.connection.close)
def test_ensure_four_retry(self):
mock_callback = mock.Mock(side_effect=IOError)
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.ensure, mock_callback,
retry=4)
self.assertEqual(5, self.kombu_connect.call_count)
self.assertEqual(6, mock_callback.call_count)
def test_ensure_one_retry(self):
mock_callback = mock.Mock(side_effect=IOError)
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.ensure, mock_callback,
retry=1)
self.assertEqual(2, self.kombu_connect.call_count)
self.assertEqual(3, mock_callback.call_count)
def test_ensure_no_retry(self):
mock_callback = mock.Mock(side_effect=IOError)
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.ensure, mock_callback,
retry=0)
self.assertEqual(1, self.kombu_connect.call_count)
self.assertEqual(2, mock_callback.call_count)
class ConnectionLockTestCase(test_utils.BaseTestCase):
def _thread(self, lock, sleep, heartbeat=False):
def thread_task():
if heartbeat:
with lock.for_heartbeat():
time.sleep(sleep)
else:
with lock:
time.sleep(sleep)
t = threading.Thread(target=thread_task)
t.daemon = True
t.start()
start = time.time()
def get_elapsed_time():
t.join()
return time.time() - start
return get_elapsed_time
def test_workers_only(self):
l = rabbit_driver.ConnectionLock()
t1 = self._thread(l, 1)
t2 = self._thread(l, 1)
self.assertAlmostEqual(1, t1(), places=0)
self.assertAlmostEqual(2, t2(), places=0)
def test_worker_and_heartbeat(self):
l = rabbit_driver.ConnectionLock()
t1 = self._thread(l, 1)
t2 = self._thread(l, 1, heartbeat=True)
self.assertAlmostEqual(1, t1(), places=0)
self.assertAlmostEqual(2, t2(), places=0)
def test_workers_and_heartbeat(self):
l = rabbit_driver.ConnectionLock()
t1 = self._thread(l, 1)
t2 = self._thread(l, 1)
t3 = self._thread(l, 1)
t4 = self._thread(l, 1, heartbeat=True)
t5 = self._thread(l, 1)
self.assertAlmostEqual(1, t1(), places=0)
self.assertAlmostEqual(2, t4(), places=0)
self.assertAlmostEqual(3, t2(), places=0)
self.assertAlmostEqual(4, t3(), places=0)
self.assertAlmostEqual(5, t5(), places=0)
def test_heartbeat(self):
l = rabbit_driver.ConnectionLock()
t1 = self._thread(l, 1, heartbeat=True)
t2 = self._thread(l, 1)
self.assertAlmostEqual(1, t1(), places=0)
self.assertAlmostEqual(2, t2(), places=0)