openstack/oslo.messaging
Code Issues Proposed changes

Merge "Remove qpidd's driver from the tree"

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This commit is contained in:
Jenkins 2015-11-23 14:56:33 +00:00 committed by Gerrit Code Review
commit 5840ab3340
14 changed files with 9 additions and 1681 deletions
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2
doc/source/transport.rst
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@ -25,6 +25,4 @@ different 3rd party libraries that don't ensure that. In certain
cases, with some drivers, it does work:
* rabbit: works only if no connection have already been established.
* qpid: doesn't work (The qpid library has a global state that uses
file descriptors that can't be reset)
* amqp1: works

5
doc/source/zmq_driver.rst
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@ -45,7 +45,7 @@ Juno release, as almost all the core projects in OpenStack have switched to
oslo_messaging, ZeroMQ can be the only RPC driver across the OpenStack cluster.
This document provides deployment information for this driver in oslo_messaging.
Other than AMQP-based drivers, like RabbitMQ or Qpid, ZeroMQ doesn't have
Other than AMQP-based drivers, like RabbitMQ, ZeroMQ doesn't have
any central brokers in oslo.messaging, instead, each host (running OpenStack
services) is both ZeroMQ client and server. As a result, each host needs to
listen to a certain TCP port for incoming connections and directly connect
@ -172,7 +172,6 @@ The parameters for the script oslo-messaging-zmq-receiver should be::
You can specify ZeroMQ options in /etc/oslo/zeromq.conf if necessary.
Listening Address (optional)
----------------------------
@ -204,7 +203,7 @@ DevStack Support
ZeroMQ driver has been supported by DevStack. The configuration is as follows::
ENABLED_SERVICES+=,-rabbit,-qpid,zeromq
ENABLED_SERVICES+=,-rabbit,zeromq
ZEROMQ_MATCHMAKER=redis
In local.conf [localrc] section need to enable zmq plugin which lives in

4
oslo_messaging/_drivers/amqp.py
View File

@ -19,7 +19,7 @@
Shared code between AMQP based openstack.common.rpc implementations.
The code in this module is shared between the rpc implementations based on
AMQP. Specifically, this includes impl_kombu and impl_qpid. impl_carrot also
AMQP. Specifically, this includes impl_kombu. impl_carrot also
uses AMQP, but is deprecated and predates this code.
"""
@ -66,7 +66,7 @@ amqp_opts = [
UNIQUE_ID = '_unique_id'
LOG = logging.getLogger(__name__)
# NOTE(sileht): Even if rabbit/qpid have only one Connection class,
# NOTE(sileht): Even if rabbit has only one Connection class,
# this connection can be used for two purposes:
# * wait and receive amqp messages (only do read stuffs on the socket)
# * send messages to the broker (only do write stuffs on the socket)

800
oslo_messaging/_drivers/impl_qpid.py
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@ -1,800 +0,0 @@
# Copyright 2011 OpenStack Foundation
# Copyright 2011 - 2012, 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 functools
import itertools
import logging
import os
import random
import time
import warnings
from oslo_config import cfg
from oslo_serialization import jsonutils
from oslo_utils import importutils
from oslo_utils import netutils
import six
from oslo_messaging._drivers import amqp as rpc_amqp
from oslo_messaging._drivers import amqpdriver
from oslo_messaging._drivers import base
from oslo_messaging._drivers import common as rpc_common
from oslo_messaging._i18n import _
from oslo_messaging._i18n import _LE
from oslo_messaging._i18n import _LI
from oslo_messaging import exceptions
qpid_codec = importutils.try_import("qpid.codec010")
qpid_messaging = importutils.try_import("qpid.messaging")
qpid_exceptions = importutils.try_import("qpid.messaging.exceptions")
LOG = logging.getLogger(__name__)
qpid_opts = [
cfg.StrOpt('qpid_hostname',
default='localhost',
deprecated_group='DEFAULT',
help='Qpid broker hostname.'),
cfg.IntOpt('qpid_port',
default=5672,
deprecated_group='DEFAULT',
help='Qpid broker port.'),
cfg.ListOpt('qpid_hosts',
default=['$qpid_hostname:$qpid_port'],
deprecated_group='DEFAULT',
help='Qpid HA cluster host:port pairs.'),
cfg.StrOpt('qpid_username',
default='',
deprecated_group='DEFAULT',
help='Username for Qpid connection.'),
cfg.StrOpt('qpid_password',
default='',
deprecated_group='DEFAULT',
help='Password for Qpid connection.',
secret=True),
cfg.StrOpt('qpid_sasl_mechanisms',
default='',
deprecated_group='DEFAULT',
help='Space separated list of SASL mechanisms to use for '
'auth.'),
cfg.IntOpt('qpid_heartbeat',
default=60,
deprecated_group='DEFAULT',
help='Seconds between connection keepalive heartbeats.'),
cfg.StrOpt('qpid_protocol',
default='tcp',
deprecated_group='DEFAULT',
help="Transport to use, either 'tcp' or 'ssl'."),
cfg.BoolOpt('qpid_tcp_nodelay',
default=True,
deprecated_group='DEFAULT',
help='Whether to disable the Nagle algorithm.'),
cfg.IntOpt('qpid_receiver_capacity',
default=1,
deprecated_group='DEFAULT',
help='The number of prefetched messages held by receiver.'),
# NOTE(russellb) If any additional versions are added (beyond 1 and 2),
# this file could probably use some additional refactoring so that the
# differences between each version are split into different classes.
cfg.IntOpt('qpid_topology_version',
default=1,
deprecated_group='DEFAULT',
help="The qpid topology version to use. Version 1 is what "
"was originally used by impl_qpid. Version 2 includes "
"some backwards-incompatible changes that allow broker "
"federation to work. Users should update to version 2 "
"when they are able to take everything down, as it "
"requires a clean break."),
]
JSON_CONTENT_TYPE = 'application/json; charset=utf8'
def raise_invalid_topology_version(conf):
msg = (_("Invalid value for qpid_topology_version: %d") %
conf.qpid_topology_version)
LOG.error(msg)
raise Exception(msg)
class QpidMessage(dict):
def __init__(self, session, raw_message):
super(QpidMessage, self).__init__(
rpc_common.deserialize_msg(raw_message.content))
self._raw_message = raw_message
self._session = session
def acknowledge(self):
self._session.acknowledge(self._raw_message)
def requeue(self):
pass
class ConsumerBase(object):
"""Consumer base class."""
def __init__(self, conf, session, callback, node_name, node_opts,
link_name, link_opts):
"""Declare a queue on an amqp session.
'session' is the amqp session to use
'callback' is the callback to call when messages are received
'node_name' is the first part of the Qpid address string, before ';'
'node_opts' will be applied to the "x-declare" section of "node"
in the address string.
'link_name' goes into the "name" field of the "link" in the address
string
'link_opts' will be applied to the "x-declare" section of "link"
in the address string.
"""
self.callback = callback
self.receiver = None
self.rcv_capacity = conf.qpid_receiver_capacity
self.session = None
if conf.qpid_topology_version == 1:
addr_opts = {
"create": "always",
"node": {
"type": "topic",
"x-declare": {
"durable": True,
"auto-delete": True,
},
},
"link": {
"durable": True,
"x-declare": {
"durable": False,
"auto-delete": True,
"exclusive": False,
},
},
}
addr_opts["node"]["x-declare"].update(node_opts)
elif conf.qpid_topology_version == 2:
addr_opts = {
"link": {
"x-declare": {
"auto-delete": True,
"exclusive": False,
},
},
}
else:
raise_invalid_topology_version(conf)
addr_opts["link"]["x-declare"].update(link_opts)
if link_name:
addr_opts["link"]["name"] = link_name
self.address = "%s ; %s" % (node_name, jsonutils.dumps(addr_opts))
self.connect(session)
def connect(self, session):
"""Declare the receiver on connect."""
self._declare_receiver(session)
def reconnect(self, session):
"""Re-declare the receiver after a Qpid reconnect."""
self._declare_receiver(session)
def _declare_receiver(self, session):
self.session = session
self.receiver = session.receiver(self.address)
self.receiver.capacity = self.rcv_capacity
def _unpack_json_msg(self, msg):
"""Load the JSON data in msg if msg.content_type indicates that it
is necessary. Put the loaded data back into msg.content and
update msg.content_type appropriately.
A Qpid Message containing a dict will have a content_type of
'amqp/map', whereas one containing a string that needs to be converted
back from JSON will have a content_type of JSON_CONTENT_TYPE.
:param msg: a Qpid Message object
:returns: None
"""
if msg.content_type == JSON_CONTENT_TYPE:
msg.content = jsonutils.loads(msg.content)
msg.content_type = 'amqp/map'
def consume(self):
"""Fetch the message and pass it to the callback object."""
message = self.receiver.fetch()
try:
self._unpack_json_msg(message)
self.callback(QpidMessage(self.session, message))
except Exception:
LOG.exception(_LE("Failed to process message... skipping it."))
self.session.acknowledge(message)
def get_receiver(self):
return self.receiver
def get_node_name(self):
return self.address.split(';')[0]
class DirectConsumer(ConsumerBase):
"""Queue/consumer class for 'direct'."""
def __init__(self, conf, session, msg_id, callback):
"""Init a 'direct' queue.
'session' is the amqp session to use
'msg_id' is the msg_id to listen on
'callback' is the callback to call when messages are received
"""
link_opts = {
"exclusive": True,
"durable": conf.amqp_durable_queues,
}
if conf.qpid_topology_version == 1:
node_name = "%s/%s" % (msg_id, msg_id)
node_opts = {"type": "direct"}
link_name = msg_id
elif conf.qpid_topology_version == 2:
node_name = "amq.direct/%s" % msg_id
node_opts = {}
link_name = msg_id
else:
raise_invalid_topology_version(conf)
super(DirectConsumer, self).__init__(conf, session, callback,
node_name, node_opts, link_name,
link_opts)
class TopicConsumer(ConsumerBase):
"""Consumer class for 'topic'."""
def __init__(self, conf, session, topic, callback, exchange_name,
name=None):
"""Init a 'topic' queue.
:param session: the amqp session to use
:param topic: is the topic to listen on
:paramtype topic: str
:param callback: the callback to call when messages are received
:param name: optional queue name, defaults to topic
"""
link_opts = {
"auto-delete": conf.amqp_auto_delete,
"durable": conf.amqp_durable_queues,
}
if conf.qpid_topology_version == 1:
node_name = "%s/%s" % (exchange_name, topic)
elif conf.qpid_topology_version == 2:
node_name = "amq.topic/topic/%s/%s" % (exchange_name, topic)
else:
raise_invalid_topology_version(conf)
super(TopicConsumer, self).__init__(conf, session, callback, node_name,
{}, name or topic, link_opts)
class FanoutConsumer(ConsumerBase):
"""Consumer class for 'fanout'."""
def __init__(self, conf, session, topic, callback):
"""Init a 'fanout' queue.
'session' is the amqp session to use
'topic' is the topic to listen on
'callback' is the callback to call when messages are received
"""
self.conf = conf
link_opts = {"exclusive": True}
if conf.qpid_topology_version == 1:
node_name = "%s_fanout" % topic
node_opts = {"durable": False, "type": "fanout"}
elif conf.qpid_topology_version == 2:
node_name = "amq.topic/fanout/%s" % topic
node_opts = {}
else:
raise_invalid_topology_version(conf)
super(FanoutConsumer, self).__init__(conf, session, callback,
node_name, node_opts, None,
link_opts)
class Publisher(object):
"""Base Publisher class."""
def __init__(self, conf, session, node_name, node_opts=None):
"""Init the Publisher class with the exchange_name, routing_key,
and other options
"""
self.sender = None
self.session = session
if conf.qpid_topology_version == 1:
addr_opts = {
"create": "always",
"node": {
"type": "topic",
"x-declare": {
"durable": False,
# auto-delete isn't implemented for exchanges in qpid,
# but put in here anyway
"auto-delete": True,
},
},
}
if node_opts:
addr_opts["node"]["x-declare"].update(node_opts)
self.address = "%s ; %s" % (node_name, jsonutils.dumps(addr_opts))
elif conf.qpid_topology_version == 2:
self.address = node_name
else:
raise_invalid_topology_version(conf)
self.reconnect(session)
def reconnect(self, session):
"""Re-establish the Sender after a reconnection."""
self.sender = session.sender(self.address)
def _pack_json_msg(self, msg):
"""Qpid cannot serialize dicts containing strings longer than 65535
characters. This function dumps the message content to a JSON
string, which Qpid is able to handle.
:param msg: May be either a Qpid Message object or a bare dict.
:returns: A Qpid Message with its content field JSON encoded.
"""
try:
msg.content = jsonutils.dumps(msg.content)
except AttributeError:
# Need to have a Qpid message so we can set the content_type.
msg = qpid_messaging.Message(jsonutils.dumps(msg))
msg.content_type = JSON_CONTENT_TYPE
return msg
def send(self, msg):
"""Send a message."""
try:
# Check if Qpid can encode the message
check_msg = msg
if not hasattr(check_msg, 'content_type'):
check_msg = qpid_messaging.Message(msg)
content_type = check_msg.content_type
enc, dec = qpid_messaging.message.get_codec(content_type)
enc(check_msg.content)
except qpid_codec.CodecException:
# This means the message couldn't be serialized as a dict.
msg = self._pack_json_msg(msg)
self.sender.send(msg)
class DirectPublisher(Publisher):
"""Publisher class for 'direct'."""
def __init__(self, conf, session, topic):
"""Init a 'direct' publisher."""
if conf.qpid_topology_version == 1:
node_name = "%s/%s" % (topic, topic)
node_opts = {"type": "direct"}
elif conf.qpid_topology_version == 2:
node_name = "amq.direct/%s" % topic
node_opts = {}
else:
raise_invalid_topology_version(conf)
super(DirectPublisher, self).__init__(conf, session, node_name,
node_opts)
class TopicPublisher(Publisher):
"""Publisher class for 'topic'."""
def __init__(self, conf, session, exchange_name, topic):
"""Init a 'topic' publisher.
"""
if conf.qpid_topology_version == 1:
node_name = "%s/%s" % (exchange_name, topic)
elif conf.qpid_topology_version == 2:
node_name = "amq.topic/topic/%s/%s" % (exchange_name, topic)
else:
raise_invalid_topology_version(conf)
super(TopicPublisher, self).__init__(conf, session, node_name)
class FanoutPublisher(Publisher):
"""Publisher class for 'fanout'."""
def __init__(self, conf, session, topic):
"""Init a 'fanout' publisher.
"""
if conf.qpid_topology_version == 1:
node_name = "%s_fanout" % topic
node_opts = {"type": "fanout"}
elif conf.qpid_topology_version == 2:
node_name = "amq.topic/fanout/%s" % topic
node_opts = {}
else:
raise_invalid_topology_version(conf)
super(FanoutPublisher, self).__init__(conf, session, node_name,
node_opts)
class NotifyPublisher(Publisher):
"""Publisher class for notifications."""
def __init__(self, conf, session, exchange_name, topic):
"""Init a 'topic' publisher.
"""
node_opts = {"durable": True}
if conf.qpid_topology_version == 1:
node_name = "%s/%s" % (exchange_name, topic)
elif conf.qpid_topology_version == 2:
node_name = "amq.topic/topic/%s/%s" % (exchange_name, topic)
else:
raise_invalid_topology_version(conf)
super(NotifyPublisher, self).__init__(conf, session, node_name,
node_opts)
class Connection(object):
"""Connection object."""
pools = {}
def __init__(self, conf, url, purpose):
if not qpid_messaging:
raise ImportError("Failed to import qpid.messaging")
self.connection = None
self.session = None
self.consumers = {}
self.conf = conf
self.driver_conf = conf.oslo_messaging_qpid
self._consume_loop_stopped = False
self.brokers_params = []
if url.hosts:
for host in url.hosts:
params = {
'username': host.username or '',
'password': host.password or '',
}
if host.port is not None:
params['host'] = '%s:%d' % (host.hostname, host.port)
else:
params['host'] = host.hostname
self.brokers_params.append(params)
else:
# Old configuration format
for adr in self.driver_conf.qpid_hosts:
hostname, port = netutils.parse_host_port(
adr, default_port=5672)
if ':' in hostname:
hostname = '[' + hostname + ']'
params = {
'host': '%s:%d' % (hostname, port),
'username': self.driver_conf.qpid_username,
'password': self.driver_conf.qpid_password,
}
self.brokers_params.append(params)
random.shuffle(self.brokers_params)
self.brokers = itertools.cycle(self.brokers_params)
self._initial_pid = os.getpid()
self.reconnect()
def _connect(self, broker):
# Create the connection - this does not open the connection
self.connection = qpid_messaging.Connection(broker['host'])
# Check if flags are set and if so set them for the connection
# before we call open
self.connection.username = broker['username']
self.connection.password = broker['password']
self.connection.sasl_mechanisms = self.driver_conf.qpid_sasl_mechanisms
# Reconnection is done by self.reconnect()
self.connection.reconnect = False
self.connection.heartbeat = self.driver_conf.qpid_heartbeat
self.connection.transport = self.driver_conf.qpid_protocol
self.connection.tcp_nodelay = self.driver_conf.qpid_tcp_nodelay
self.connection.open()
def _register_consumer(self, consumer):
self.consumers[six.text_type(consumer.get_receiver())] = consumer
def _lookup_consumer(self, receiver):
return self.consumers[six.text_type(receiver)]
def _disconnect(self):
# Close the session if necessary
if self.connection is not None and self.connection.opened():
try:
self.connection.close()
except qpid_exceptions.MessagingError:
pass
self.connection = None
def reconnect(self, retry=None):
"""Handles reconnecting and re-establishing sessions and queues.
Will retry up to retry number of times.
retry = None or -1 means to retry forever
retry = 0 means no retry
retry = N means N retries
"""
delay = 1
attempt = 0
loop_forever = False
if retry is None or retry < 0:
loop_forever = True
while True:
self._disconnect()
attempt += 1
broker = six.next(self.brokers)
try:
self._connect(broker)
except qpid_exceptions.MessagingError as e:
msg_dict = dict(e=e,
delay=delay,
retry=retry,
broker=broker)
if not loop_forever and attempt > retry:
msg = _('Unable to connect to AMQP server on '
'%(broker)s after %(retry)d '
'tries: %(e)s') % msg_dict
LOG.error(msg)
raise exceptions.MessageDeliveryFailure(msg)
else:
msg = _LE("Unable to connect to AMQP server on "
"%(broker)s: %(e)s. Sleeping %(delay)s seconds")
LOG.error(msg, msg_dict)
time.sleep(delay)
delay = min(delay + 1, 5)
else:
LOG.info(_LI('Connected to AMQP server on %s'), broker['host'])
break
self.session = self.connection.session()
if self.consumers:
consumers = self.consumers
self.consumers = {}
for consumer in six.itervalues(consumers):
consumer.reconnect(self.session)
self._register_consumer(consumer)
LOG.debug("Re-established AMQP queues")
def ensure(self, error_callback, method, retry=None):
current_pid = os.getpid()
if self._initial_pid != current_pid:
# NOTE(sileht):
# to get the same level of fork support that rabbit driver have
# (ie: allow fork before the first connection established)
# we could use the kombu workaround:
# https://github.com/celery/kombu/blob/master/kombu/transport/
# qpid_patches.py#L67
LOG.warn("Process forked! "
"This can result in unpredictable behavior. "
"See: http://docs.openstack.org/developer/"
"oslo_messaging/transport.html")
self._initial_pid = current_pid
while True:
try:
return method()
except (qpid_exceptions.Empty,
qpid_exceptions.MessagingError) as e:
if error_callback:
error_callback(e)
self.reconnect(retry=retry)
def close(self):
"""Close/release this connection."""
try:
self.connection.close()
except Exception:
# NOTE(dripton) Logging exceptions that happen during cleanup just
# causes confusion; there's really nothing useful we can do with
# them.
pass
self.connection = None
def reset(self):
"""Reset a connection so it can be used again."""
self.session.close()
self.session = self.connection.session()
self.consumers = {}
def declare_consumer(self, consumer_cls, topic, callback):
"""Create a Consumer using the class that was passed in and
add it to our list of consumers
"""
def _connect_error(exc):
log_info = {'topic': topic, 'err_str': exc}
LOG.error(_LE("Failed to declare consumer for topic '%(topic)s': "
"%(err_str)s"), log_info)
def _declare_consumer():
consumer = consumer_cls(self.driver_conf, self.session, topic,
callback)
self._register_consumer(consumer)
return consumer
return self.ensure(_connect_error, _declare_consumer)
def consume(self, timeout=None):
"""Consume from all queues/consumers."""
timer = rpc_common.DecayingTimer(duration=timeout)
timer.start()
def _raise_timeout(exc):
LOG.debug('Timed out waiting for RPC response: %s', exc)
raise rpc_common.Timeout()
def _error_callback(exc):
timer.check_return(_raise_timeout, exc)
LOG.exception(_LE('Failed to consume message from queue: %s'), exc)
def _consume():
# NOTE(sileht):
# maximum value chosen according the best practice from kombu:
# http://kombu.readthedocs.org/en/latest/reference/kombu.common.html#kombu.common.eventloop
poll_timeout = 1 if timeout is None else min(timeout, 1)
while True:
if self._consume_loop_stopped:
self._consume_loop_stopped = False
return
try:
nxt_receiver = self.session.next_receiver(
timeout=poll_timeout)
except qpid_exceptions.Empty as exc:
poll_timeout = timer.check_return(_raise_timeout, exc,
maximum=1)
else:
break
try:
self._lookup_consumer(nxt_receiver).consume()
except Exception:
LOG.exception(_LE("Error processing message. "
"Skipping it."))
self.ensure(_error_callback, _consume)
def publisher_send(self, cls, topic, msg, retry=None, **kwargs):
"""Send to a publisher based on the publisher class."""
def _connect_error(exc):
log_info = {'topic': topic, 'err_str': exc}
LOG.exception(_LE("Failed to publish message to topic "
"'%(topic)s': %(err_str)s"), log_info)
def _publisher_send():
publisher = cls(self.driver_conf, self.session, topic=topic,
**kwargs)
publisher.send(msg)
return self.ensure(_connect_error, _publisher_send, retry=retry)
def declare_direct_consumer(self, topic, callback):
"""Create a 'direct' queue.
In nova's use, this is generally a msg_id queue used for
responses for call/multicall
"""
self.declare_consumer(DirectConsumer, topic, callback)
def declare_topic_consumer(self, exchange_name, topic, callback=None,
queue_name=None):
"""Create a 'topic' consumer."""
self.declare_consumer(functools.partial(TopicConsumer,
name=queue_name,
exchange_name=exchange_name,
),
topic, callback)
def declare_fanout_consumer(self, topic, callback):
"""Create a 'fanout' consumer."""
self.declare_consumer(FanoutConsumer, topic, callback)
def direct_send(self, msg_id, msg):
"""Send a 'direct' message."""
self.publisher_send(DirectPublisher, topic=msg_id, msg=msg)
def topic_send(self, exchange_name, topic, msg, timeout=None, retry=None):
"""Send a 'topic' message."""
#
# We want to create a message with attributes, for example a TTL. We
# don't really need to keep 'msg' in its JSON format any longer
# so let's create an actual Qpid message here and get some
# value-add on the go.
#
# WARNING: Request timeout happens to be in the same units as
# Qpid's TTL (seconds). If this changes in the future, then this
# will need to be altered accordingly.
#
qpid_message = qpid_messaging.Message(content=msg, ttl=timeout)
self.publisher_send(TopicPublisher, topic=topic, msg=qpid_message,
exchange_name=exchange_name, retry=retry)
def fanout_send(self, topic, msg, retry=None):
"""Send a 'fanout' message."""
self.publisher_send(FanoutPublisher, topic=topic, msg=msg, retry=retry)
def notify_send(self, exchange_name, topic, msg, retry=None, **kwargs):
"""Send a notify message on a topic."""
self.publisher_send(NotifyPublisher, topic=topic, msg=msg,
exchange_name=exchange_name, retry=retry)
def stop_consuming(self):
self._consume_loop_stopped = True
class QpidDriver(amqpdriver.AMQPDriverBase):
"""qpidd Driver
.. deprecated:: 1.16 (Liberty)
"""
def __init__(self, conf, url,
default_exchange=None, allowed_remote_exmods=None):
warnings.warn(_('The Qpid driver has been deprecated. '
'The driver is planned to be removed during the '
'`Mitaka` development cycle.'),
DeprecationWarning, stacklevel=2)
opt_group = cfg.OptGroup(name='oslo_messaging_qpid',
title='QPID driver options')
conf.register_group(opt_group)
conf.register_opts(qpid_opts, group=opt_group)
conf.register_opts(rpc_amqp.amqp_opts, group=opt_group)
conf.register_opts(base.base_opts, group=opt_group)
connection_pool = rpc_amqp.ConnectionPool(
conf, conf.oslo_messaging_qpid.rpc_conn_pool_size,
url, Connection)
super(QpidDriver, self).__init__(
conf, url,
connection_pool,
default_exchange,
allowed_remote_exmods,
conf.oslo_messaging_qpid.send_single_reply,
)

5
oslo_messaging/conffixture.py
View File

@ -50,9 +50,6 @@ class ConfFixture(fixtures.Fixture):
_import_opts(self.conf,
'oslo_messaging._drivers.amqp', 'amqp_opts',
'oslo_messaging_rabbit')
_import_opts(self.conf,
'oslo_messaging._drivers.impl_qpid', 'qpid_opts',
'oslo_messaging_qpid')
_import_opts(self.conf,
'oslo_messaging._drivers.amqp', 'amqp_opts',
'oslo_messaging_qpid')
@ -77,7 +74,7 @@ class ConfFixture(fixtures.Fixture):
@property
def transport_driver(self):
"""The transport driver - for example 'rabbit', 'qpid' or 'fake'."""
"""The transport driver - for example 'rabbit', 'amqp' or 'fake'."""
return self.conf.rpc_backend
@transport_driver.setter

2
oslo_messaging/notify/logger.py
View File

@ -33,7 +33,7 @@ class LoggingNotificationHandler(logging.Handler):
[handler_notifier]
class=oslo_messaging.LoggingNotificationHandler
level=ERROR
args=('qpid:///')
args=('rabbit:///')
"""

3
oslo_messaging/opts.py
View File

@ -22,7 +22,6 @@ import itertools
from oslo_messaging._drivers import amqp
from oslo_messaging._drivers import base as drivers_base
from oslo_messaging._drivers import impl_qpid
from oslo_messaging._drivers import impl_rabbit
from oslo_messaging._drivers import impl_zmq
from oslo_messaging._drivers.protocols.amqp import opts as amqp_opts
@ -48,8 +47,6 @@ _opts = [
('oslo_messaging_amqp', amqp_opts.amqp1_opts),
('oslo_messaging_rabbit', list(itertools.chain(amqp.amqp_opts,
impl_rabbit.rabbit_opts))),
('oslo_messaging_qpid', list(itertools.chain(amqp.amqp_opts,
impl_qpid.qpid_opts)))
]

850
oslo_messaging/tests/drivers/test_impl_qpid.py
View File

@ -1,850 +0,0 @@
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
#
# 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 operator
import random
import threading
import time
try:
import qpid
except ImportError:
qpid = None
from six.moves import _thread
import testscenarios
import testtools
import oslo_messaging
from oslo_messaging._drivers import amqp
from oslo_messaging._drivers import impl_qpid as qpid_driver
from oslo_messaging.tests import utils as test_utils
from six.moves import mock
load_tests = testscenarios.load_tests_apply_scenarios
QPID_BROKER = 'localhost:5672'
class TestQpidDriverLoad(test_utils.BaseTestCase):
def setUp(self):
super(TestQpidDriverLoad, self).setUp()
self.messaging_conf.transport_driver = 'qpid'
def test_driver_load(self):
transport = oslo_messaging.get_transport(self.conf)
self.assertIsInstance(transport._driver, qpid_driver.QpidDriver)
def _is_qpidd_service_running():
"""this function checks if the qpid service is running or not."""
qpid_running = True
try:
broker = QPID_BROKER
connection = qpid.messaging.Connection(broker)
connection.open()
except Exception:
# qpid service is not running.
qpid_running = False
else:
connection.close()
return qpid_running
class _QpidBaseTestCase(test_utils.BaseTestCase):
@testtools.skipIf(qpid is None, "qpid not available")
def setUp(self):
super(_QpidBaseTestCase, self).setUp()
self.messaging_conf.transport_driver = 'qpid'
self.fake_qpid = not _is_qpidd_service_running()
if self.fake_qpid:
self.session_receive = get_fake_qpid_session()
self.session_send = get_fake_qpid_session()
else:
self.broker = QPID_BROKER
# create connection from the qpid.messaging
# connection for the Consumer.
self.con_receive = qpid.messaging.Connection(self.broker)
self.con_receive.open()
# session to receive the messages
self.session_receive = self.con_receive.session()
# connection for sending the message
self.con_send = qpid.messaging.Connection(self.broker)
self.con_send.open()
# session to send the messages
self.session_send = self.con_send.session()
# list to store the expected messages and
# the actual received messages
self._expected = []
self._messages = []
self.initialized = True
def tearDown(self):
super(_QpidBaseTestCase, self).tearDown()
if self.initialized:
if self.fake_qpid:
_fake_session.flush_exchanges()
else:
self.con_receive.close()
self.con_send.close()
class TestQpidTransportURL(_QpidBaseTestCase):
scenarios = [
('none', dict(url=None,
expected=[dict(host='localhost:5672',
username='',
password='')])),
('empty',
dict(url='qpid:///',
expected=[dict(host='localhost:5672',
username='',
password='')])),
('localhost',
dict(url='qpid://localhost/',
expected=[dict(host='localhost',
username='',
password='')])),
('no_creds',
dict(url='qpid://host/',
expected=[dict(host='host',
username='',
password='')])),
('no_port',
dict(url='qpid://user:password@host/',
expected=[dict(host='host',
username='user',
password='password')])),
('full_url',
dict(url='qpid://user:password@host:10/',
expected=[dict(host='host:10',
username='user',
password='password')])),
('full_two_url',
dict(url='qpid://user:password@host:10,'
'user2:password2@host2:12/',
expected=[dict(host='host:10',
username='user',
password='password'),
dict(host='host2:12',
username='user2',
password='password2')
]
)),
]
@mock.patch.object(qpid_driver.Connection, 'reconnect')
def test_transport_url(self, *args):
transport = oslo_messaging.get_transport(self.conf, self.url)
self.addCleanup(transport.cleanup)
driver = transport._driver
brokers_params = driver._get_connection().brokers_params
self.assertEqual(sorted(self.expected,
key=operator.itemgetter('host')),
sorted(brokers_params,
key=operator.itemgetter('host')))
class TestQpidInvalidTopologyVersion(_QpidBaseTestCase):
"""Unit test cases to test invalid qpid topology version."""
scenarios = [
('direct', dict(consumer_cls=qpid_driver.DirectConsumer,
consumer_kwargs={},
publisher_cls=qpid_driver.DirectPublisher,
publisher_kwargs={})),
('topic', dict(consumer_cls=qpid_driver.TopicConsumer,
consumer_kwargs={'exchange_name': 'openstack'},
publisher_cls=qpid_driver.TopicPublisher,
publisher_kwargs={'exchange_name': 'openstack'})),
('fanout', dict(consumer_cls=qpid_driver.FanoutConsumer,
consumer_kwargs={},
publisher_cls=qpid_driver.FanoutPublisher,
publisher_kwargs={})),
]
def setUp(self):
super(TestQpidInvalidTopologyVersion, self).setUp()
self.config(qpid_topology_version=-1,
group='oslo_messaging_qpid')
def test_invalid_topology_version(self):
def consumer_callback(msg):
pass
msgid_or_topic = 'test'
# not using self.assertRaises because
# 1. qpid driver raises Exception(msg) for invalid topology version
# 2. flake8 - H202 assertRaises Exception too broad
exception_msg = ("Invalid value for qpid_topology_version: %d" %
self.conf.oslo_messaging_qpid.qpid_topology_version)
recvd_exc_msg = ''
try:
self.consumer_cls(self.conf.oslo_messaging_qpid,
self.session_receive,
msgid_or_topic,
consumer_callback,
**self.consumer_kwargs)
except Exception as e:
recvd_exc_msg = e.message
self.assertEqual(exception_msg, recvd_exc_msg)
recvd_exc_msg = ''
try:
self.publisher_cls(self.conf.oslo_messaging_qpid,
self.session_send,
topic=msgid_or_topic,
**self.publisher_kwargs)
except Exception as e:
recvd_exc_msg = e.message
self.assertEqual(exception_msg, recvd_exc_msg)
class TestQpidDirectConsumerPublisher(_QpidBaseTestCase):
"""Unit test cases to test DirectConsumer and Direct Publisher."""
_n_qpid_topology = [
('v1', dict(qpid_topology=1)),
('v2', dict(qpid_topology=2)),
]
_n_msgs = [
('single', dict(no_msgs=1)),
('multiple', dict(no_msgs=10)),
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._n_qpid_topology,
cls._n_msgs)
def consumer_callback(self, msg):
# This function will be called by the DirectConsumer
# when any message is received.
# Append the received message into the messages list
# so that the received messages can be validated
# with the expected messages
if isinstance(msg, dict):
self._messages.append(msg['content'])
else:
self._messages.append(msg)
def test_qpid_direct_consumer_producer(self):
self.msgid = str(random.randint(1, 100))
# create a DirectConsumer and DirectPublisher class objects
self.dir_cons = qpid_driver.DirectConsumer(
self.conf.oslo_messaging_qpid,
self.session_receive,
self.msgid,
self.consumer_callback)
self.dir_pub = qpid_driver.DirectPublisher(
self.conf.oslo_messaging_qpid,
self.session_send,
self.msgid)
def try_send_msg(no_msgs):
for i in range(no_msgs):
self._expected.append(str(i))
snd_msg = {'content_type': 'text/plain', 'content': str(i)}
self.dir_pub.send(snd_msg)
def try_receive_msg(no_msgs):
for i in range(no_msgs):
self.dir_cons.consume()
thread1 = threading.Thread(target=try_receive_msg,
args=(self.no_msgs,))
thread2 = threading.Thread(target=try_send_msg,
args=(self.no_msgs,))
thread1.start()
thread2.start()
thread1.join()
thread2.join()
self.assertEqual(self.no_msgs, len(self._messages))
self.assertEqual(self._expected, self._messages)
TestQpidDirectConsumerPublisher.generate_scenarios()
class TestQpidTopicAndFanout(_QpidBaseTestCase):
"""Unit Test cases to test TopicConsumer and
TopicPublisher classes of the qpid driver
and FanoutConsumer and FanoutPublisher classes
of the qpid driver
"""
_n_qpid_topology = [
('v1', dict(qpid_topology=1)),
('v2', dict(qpid_topology=2)),
]
_n_msgs = [
('single', dict(no_msgs=1)),
('multiple', dict(no_msgs=10)),
]
_n_senders = [
('single', dict(no_senders=1)),
('multiple', dict(no_senders=10)),
]
_n_receivers = [
('single', dict(no_receivers=1)),
]
_exchange_class = [
('topic', dict(consumer_cls=qpid_driver.TopicConsumer,
consumer_kwargs={'exchange_name': 'openstack'},
publisher_cls=qpid_driver.TopicPublisher,
publisher_kwargs={'exchange_name': 'openstack'},
topic='topictest.test',
receive_topic='topictest.test')),
('fanout', dict(consumer_cls=qpid_driver.FanoutConsumer,
consumer_kwargs={},
publisher_cls=qpid_driver.FanoutPublisher,
publisher_kwargs={},
topic='fanouttest',
receive_topic='fanouttest')),
]
@classmethod
def generate_scenarios(cls):
cls.scenarios = testscenarios.multiply_scenarios(cls._n_qpid_topology,
cls._n_msgs,
cls._n_senders,
cls._n_receivers,
cls._exchange_class)
def setUp(self):
super(TestQpidTopicAndFanout, self).setUp()
# to store the expected messages and the
# actual received messages
#
# NOTE(dhellmann): These are dicts, where the base class uses
# lists.
self._expected = {}
self._messages = {}
self._senders = []
self._receivers = []
self._sender_threads = []
self._receiver_threads = []
def consumer_callback(self, msg):
"""callback function called by the ConsumerBase class of
qpid driver.
Message will be received in the format x-y
where x is the sender id and y is the msg number of the sender
extract the sender id 'x' and store the msg 'x-y' with 'x' as
the key
"""
if isinstance(msg, dict):
msgcontent = msg['content']
else:
msgcontent = msg
splitmsg = msgcontent.split('-')
key = _thread.get_ident()
if key not in self._messages:
self._messages[key] = dict()
tdict = self._messages[key]
if splitmsg[0] not in tdict:
tdict[splitmsg[0]] = []
tdict[splitmsg[0]].append(msgcontent)
def _try_send_msg(self, sender_id, no_msgs):
for i in range(no_msgs):
sendmsg = '%s-%s' % (str(sender_id), str(i))
key = str(sender_id)
# Store the message in the self._expected for each sender.
# This will be used later to
# validate the test by comparing it with the
# received messages by all the receivers
if key not in self._expected:
self._expected[key] = []
self._expected[key].append(sendmsg)
send_dict = {'content_type': 'text/plain', 'content': sendmsg}
self._senders[sender_id].send(send_dict)
def _try_receive_msg(self, receiver_id, no_msgs):
for i in range(self.no_senders * no_msgs):
no_of_attempts = 0
# ConsumerBase.consume blocks indefinitely until a message
# is received.
# So qpid_receiver.available() is called before calling
# ConsumerBase.consume() so that we are not
# blocked indefinitely
qpid_receiver = self._receivers[receiver_id].get_receiver()
while no_of_attempts < 50:
if qpid_receiver.available() > 0:
self._receivers[receiver_id].consume()
break
no_of_attempts += 1
time.sleep(0.05)
def test_qpid_topic_and_fanout(self):
for receiver_id in range(self.no_receivers):
consumer = self.consumer_cls(self.conf.oslo_messaging_qpid,
self.session_receive,
self.receive_topic,
self.consumer_callback,
**self.consumer_kwargs)
self._receivers.append(consumer)
# create receivers threads
thread = threading.Thread(target=self._try_receive_msg,
args=(receiver_id, self.no_msgs,))
self._receiver_threads.append(thread)
for sender_id in range(self.no_senders):
publisher = self.publisher_cls(self.conf.oslo_messaging_qpid,
self.session_send,
topic=self.topic,
**self.publisher_kwargs)
self._senders.append(publisher)
# create sender threads
thread = threading.Thread(target=self._try_send_msg,
args=(sender_id, self.no_msgs,))
self._sender_threads.append(thread)
for thread in self._receiver_threads:
thread.start()
for thread in self._sender_threads:
thread.start()
for thread in self._receiver_threads:
thread.join()
for thread in self._sender_threads:
thread.join()
# Each receiver should receive all the messages sent by
# the sender(s).
# So, Iterate through each of the receiver items in
# self._messages and compare with the expected messages
# messages.
self.assertEqual(self.no_senders, len(self._expected))
self.assertEqual(self.no_receivers, len(self._messages))
for key, messages in self._messages.iteritems():
self.assertEqual(self._expected, messages)
TestQpidTopicAndFanout.generate_scenarios()
class AddressNodeMatcher(object):
def __init__(self, node):
self.node = node
def __eq__(self, address):
return address.split(';')[0].strip() == self.node
class TestDriverInterface(_QpidBaseTestCase):
"""Unit Test cases to test the amqpdriver with qpid
"""
def setUp(self):
super(TestDriverInterface, self).setUp()
self.config(qpid_topology_version=2,
group='oslo_messaging_qpid')
transport = oslo_messaging.get_transport(self.conf)
self.driver = transport._driver
original_get_connection = self.driver._get_connection
p = mock.patch.object(self.driver, '_get_connection',
side_effect=lambda pooled=True:
original_get_connection(False))
p.start()
self.addCleanup(p.stop)
def test_listen_and_direct_send(self):
target = oslo_messaging.Target(exchange="exchange_test",
topic="topic_test",
server="server_test")
with mock.patch('qpid.messaging.Connection') as conn_cls:
conn = conn_cls.return_value
session = conn.session.return_value
session.receiver.side_effect = [mock.Mock(), mock.Mock(),
mock.Mock()]
listener = self.driver.listen(target)
listener.conn.direct_send("msg_id", {})
self.assertEqual(3, len(listener.conn.consumers))
expected_calls = [
mock.call(AddressNodeMatcher(
'amq.topic/topic/exchange_test/topic_test')),
mock.call(AddressNodeMatcher(
'amq.topic/topic/exchange_test/topic_test.server_test')),
mock.call(AddressNodeMatcher('amq.topic/fanout/topic_test')),
]
session.receiver.assert_has_calls(expected_calls)
session.sender.assert_called_with(
AddressNodeMatcher("amq.direct/msg_id"))
def test_send(self):
target = oslo_messaging.Target(exchange="exchange_test",
topic="topic_test",
server="server_test")
with mock.patch('qpid.messaging.Connection') as conn_cls:
conn = conn_cls.return_value
session = conn.session.return_value
self.driver.send(target, {}, {})
session.sender.assert_called_with(AddressNodeMatcher(
"amq.topic/topic/exchange_test/topic_test.server_test"))
def test_send_notification(self):
target = oslo_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"))
class TestQpidReconnectOrder(test_utils.BaseTestCase):
"""Unit Test cases to test reconnection
"""
@testtools.skipIf(qpid is None, "qpid not available")
def test_reconnect_order(self):
brokers = ['host1', 'host2', 'host3', 'host4', 'host5']
brokers_count = len(brokers)
self.config(qpid_hosts=brokers,
group='oslo_messaging_qpid')
with mock.patch('qpid.messaging.Connection') as conn_mock:
# starting from the first broker in the list
url = oslo_messaging.TransportURL.parse(self.conf, None)
connection = qpid_driver.Connection(self.conf, url,
amqp.PURPOSE_SEND)
# reconnect will advance to the next broker, one broker per
# attempt, and then wrap to the start of the list once the end is
# reached
for _ in range(brokers_count):
connection.reconnect()
expected = []
for broker in brokers:
expected.extend([mock.call("%s:5672" % broker),
mock.call().open(),
mock.call().session(),
mock.call().opened(),
mock.call().opened().__nonzero__(),
mock.call().close()])
conn_mock.assert_has_calls(expected, any_order=True)
def synchronized(func):
func.__lock__ = threading.Lock()
def synced_func(*args, **kws):
with func.__lock__:
return func(*args, **kws)
return synced_func
class FakeQpidMsgManager(object):
def __init__(self):
self._exchanges = {}
@synchronized
def add_exchange(self, exchange):
if exchange not in self._exchanges:
self._exchanges[exchange] = {'msgs': [], 'consumers': {}}
@synchronized
def add_exchange_consumer(self, exchange, consumer_id):
exchange_info = self._exchanges[exchange]
cons_dict = exchange_info['consumers']
cons_dict[consumer_id] = 0
@synchronized
def add_exchange_msg(self, exchange, msg):
exchange_info = self._exchanges[exchange]
exchange_info['msgs'].append(msg)
def get_exchange_msg(self, exchange, index):
exchange_info = self._exchanges[exchange]
return exchange_info['msgs'][index]
def get_no_exch_msgs(self, exchange):
exchange_info = self._exchanges[exchange]
return len(exchange_info['msgs'])
def get_exch_cons_index(self, exchange, consumer_id):
exchange_info = self._exchanges[exchange]
cons_dict = exchange_info['consumers']
return cons_dict[consumer_id]
@synchronized
def inc_consumer_index(self, exchange, consumer_id):
exchange_info = self._exchanges[exchange]
cons_dict = exchange_info['consumers']
cons_dict[consumer_id] += 1
_fake_qpid_msg_manager = FakeQpidMsgManager()
class FakeQpidSessionSender(object):
def __init__(self, session, id, target, options):
self.session = session
self.id = id
self.target = target
self.options = options
@synchronized
def send(self, object, sync=True, timeout=None):
_fake_qpid_msg_manager.add_exchange_msg(self.target, object)
def close(self, timeout=None):
pass
class FakeQpidSessionReceiver(object):
def __init__(self, session, id, source, options):
self.session = session
self.id = id
self.source = source
self.options = options
@synchronized
def fetch(self, timeout=None):
if timeout is None:
# if timeout is not given, take a default time out
# of 30 seconds to avoid indefinite loop
_timeout = 30
else:
_timeout = timeout
deadline = time.time() + _timeout
while time.time() <= deadline:
index = _fake_qpid_msg_manager.get_exch_cons_index(self.source,
self.id)
try:
msg = _fake_qpid_msg_manager.get_exchange_msg(self.source,
index)
except IndexError:
pass
else:
_fake_qpid_msg_manager.inc_consumer_index(self.source,
self.id)
return qpid.messaging.Message(msg)
time.sleep(0.050)
if timeout is None:
raise Exception('timed out waiting for reply')
def close(self, timeout=None):
pass
@synchronized
def available(self):
no_msgs = _fake_qpid_msg_manager.get_no_exch_msgs(self.source)
index = _fake_qpid_msg_manager.get_exch_cons_index(self.source,
self.id)
if no_msgs == 0 or index >= no_msgs:
return 0
else:
return no_msgs - index
class FakeQpidSession(object):
def __init__(self, connection=None, name=None, transactional=None):
self.connection = connection
self.name = name
self.transactional = transactional
self._receivers = {}
self.conf = None
self.url = None
self._senders = {}
self._sender_id = 0
self._receiver_id = 0
@synchronized
def sender(self, target, **options):
exchange_key = self._extract_exchange_key(target)
_fake_qpid_msg_manager.add_exchange(exchange_key)
sendobj = FakeQpidSessionSender(self, self._sender_id,
exchange_key, options)
self._senders[self._sender_id] = sendobj
self._sender_id = self._sender_id + 1
return sendobj
@synchronized
def receiver(self, source, **options):
exchange_key = self._extract_exchange_key(source)
_fake_qpid_msg_manager.add_exchange(exchange_key)
recvobj = FakeQpidSessionReceiver(self, self._receiver_id,
exchange_key, options)
self._receivers[self._receiver_id] = recvobj
_fake_qpid_msg_manager.add_exchange_consumer(exchange_key,
self._receiver_id)
self._receiver_id += 1
return recvobj
def acknowledge(self, message=None, disposition=None, sync=True):
pass
@synchronized
def flush_exchanges(self):
_fake_qpid_msg_manager._exchanges = {}
def _extract_exchange_key(self, exchange_msg):
"""This function extracts a unique key for the exchange.
This key is used in the dictionary as a 'key' for
this exchange.
Eg. if the exchange_msg (for qpid topology version 1)
is 33/33 ; {"node": {"x-declare": {"auto-delete": true, ....
then 33 is returned as the key.
Eg 2. For topology v2, if the
exchange_msg is - amq.direct/44 ; {"link": {"x-dec.......
then 44 is returned
"""
# first check for ';'
semicolon_split = exchange_msg.split(';')
# split the first item of semicolon_split with '/'
slash_split = semicolon_split[0].split('/')
# return the last element of the list as the key
key = slash_split[-1]
return key.strip()
def close(self):
pass
_fake_session = FakeQpidSession()
def get_fake_qpid_session():
return _fake_session
class QPidHATestCase(test_utils.BaseTestCase):
@testtools.skipIf(qpid is None, "qpid not available")
def setUp(self):
super(QPidHATestCase, self).setUp()
self.brokers = ['host1', 'host2', 'host3', 'host4', 'host5']
self.config(qpid_hosts=self.brokers,
qpid_username=None,
qpid_password=None,
group='oslo_messaging_qpid')
hostname_sets = set()
self.info = {'attempt': 0,
'fail': False}
def _connect(myself, broker):
# do as little work that is enough to pass connection attempt
myself.connection = mock.Mock()
hostname = broker['host']
self.assertNotIn(hostname, hostname_sets)
hostname_sets.add(hostname)
self.info['attempt'] += 1
if self.info['fail']:
raise qpid.messaging.exceptions.ConnectionError
# just make sure connection instantiation does not fail with an
# exception
self.stubs.Set(qpid_driver.Connection, '_connect', _connect)
# starting from the first broker in the list
url = oslo_messaging.TransportURL.parse(self.conf, None)
self.connection = qpid_driver.Connection(self.conf, url,
amqp.PURPOSE_SEND)
self.addCleanup(self.connection.close)
self.info.update({'attempt': 0,
'fail': True})
hostname_sets.clear()
def test_reconnect_order(self):
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.reconnect,
retry=len(self.brokers) - 1)
self.assertEqual(len(self.brokers), self.info['attempt'])
def test_ensure_four_retries(self):
mock_callback = mock.Mock(
side_effect=qpid.messaging.exceptions.ConnectionError)
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.ensure, None, mock_callback,
retry=4)
self.assertEqual(5, self.info['attempt'])
self.assertEqual(1, mock_callback.call_count)
def test_ensure_one_retry(self):
mock_callback = mock.Mock(
side_effect=qpid.messaging.exceptions.ConnectionError)
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.ensure, None, mock_callback,
retry=1)
self.assertEqual(2, self.info['attempt'])
self.assertEqual(1, mock_callback.call_count)
def test_ensure_no_retry(self):
mock_callback = mock.Mock(
side_effect=qpid.messaging.exceptions.ConnectionError)
self.assertRaises(oslo_messaging.MessageDeliveryFailure,
self.connection.ensure, None, mock_callback,
retry=0)
self.assertEqual(1, self.info['attempt'])
self.assertEqual(1, mock_callback.call_count)

4
oslo_messaging/tests/functional/gate/post_test_hook.sh
View File

@ -46,10 +46,6 @@ case $RPC_BACKEND in
sudo apt-get update -y
sudo apt-get install -y redis-server python-redis
;;
qpid)
sudo apt-get update -y
sudo apt-get install -y qpidd sasl2-bin
;;
amqp1)
sudo yum install -y qpid-cpp-server qpid-proton-c-devel python-qpid-proton cyrus-sasl-lib cyrus-sasl-plain
;;

3
oslo_messaging/tests/test_opts.py
View File

@ -32,14 +32,13 @@ class OptsTestCase(test_utils.BaseTestCase):
super(OptsTestCase, self).setUp()
def _test_list_opts(self, result):
self.assertEqual(5, len(result))
self.assertEqual(4, len(result))
groups = [g for (g, l) in result]
self.assertIn(None, groups)
self.assertIn('matchmaker_redis', groups)
self.assertIn('oslo_messaging_amqp', groups)
self.assertIn('oslo_messaging_rabbit', groups)
self.assertIn('oslo_messaging_qpid', groups)
opt_names = [o.name for (g, l) in result for o in l]
self.assertIn('rpc_backend', opt_names)

4
oslo_messaging/transport.py
View File

@ -43,7 +43,7 @@ _transport_opts = [
cfg.StrOpt('rpc_backend',
default='rabbit',
help='The messaging driver to use, defaults to rabbit. Other '
'drivers include qpid and zmq.'),
'drivers include amqp and zmq.'),
cfg.StrOpt('control_exchange',
default='openstack',
help='The default exchange under which topics are scoped. May '
@ -232,7 +232,7 @@ class TransportURL(object):
:param conf: a ConfigOpts instance
:type conf: oslo.config.cfg.ConfigOpts
:param transport: a transport name for example 'rabbit' or 'qpid'
:param transport: a transport name for example 'rabbit'
:type transport: str
:param virtual_host: a virtual host path for example '/'
:type virtual_host: str

1
setup.cfg
View File

@ -26,7 +26,6 @@ console_scripts =
oslo.messaging.drivers =
rabbit = oslo_messaging._drivers.impl_rabbit:RabbitDriver
qpid = oslo_messaging._drivers.impl_qpid:QpidDriver
zmq = oslo_messaging._drivers.impl_zmq:ZmqDriver
amqp = oslo_messaging._drivers.protocols.amqp.driver:ProtonDriver

3
test-requirements.txt
View File

@ -15,9 +15,6 @@ testscenarios>=0.4
testtools>=1.4.0
oslotest>=1.10.0 # Apache-2.0
# for test_qpid
qpid-python;python_version=='2.7'
# for test_matchmaker_redis
redis>=2.10.0

4
tox.ini
View File

@ -23,10 +23,6 @@ commands = {posargs}
[testenv:docs]
commands = python setup.py build_sphinx
[testenv:py27-func-qpid]
setenv = TRANSPORT_URL=qpid://stackqpid:secretqpid@127.0.0.1:65123//
commands = {toxinidir}/setup-test-env-qpid.sh 0-10 python setup.py testr --slowest --testr-args='oslo_messaging.tests.functional'
[testenv:py27-func-rabbit]
commands = {toxinidir}/setup-test-env-rabbit.sh python setup.py testr --slowest --testr-args='oslo_messaging.tests.functional'