Latest common updates
Fixes bug 1132908 Change-Id: I726bc5b3199d2fa606832418db9b6e20ffbc3879
This commit is contained in:
Gary Kotton
parent
bec2549657
commit
56e6378219
@ -51,12 +51,20 @@ def _print_greenthreads():
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print
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def _print_nativethreads():
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for threadId, stack in sys._current_frames().items():
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print threadId
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traceback.print_stack(stack)
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print
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def initialize_if_enabled():
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backdoor_locals = {
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'exit': _dont_use_this, # So we don't exit the entire process
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'quit': _dont_use_this, # So we don't exit the entire process
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'fo': _find_objects,
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'pgt': _print_greenthreads,
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'pnt': _print_nativethreads,
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}
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if CONF.backdoor_port is None:
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@ -325,16 +325,11 @@ def _create_logging_excepthook(product_name):
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def setup(product_name):
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"""Setup logging."""
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sys.excepthook = _create_logging_excepthook(product_name)
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if CONF.log_config:
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try:
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logging.config.fileConfig(CONF.log_config)
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except Exception:
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traceback.print_exc()
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raise
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else:
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_setup_logging_from_conf(product_name)
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sys.excepthook = _create_logging_excepthook(product_name)
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def set_defaults(logging_context_format_string):
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@ -25,6 +25,7 @@ Specifically, this includes impl_kombu and impl_qpid. impl_carrot also uses
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AMQP, but is deprecated and predates this code.
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"""
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import collections
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import inspect
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import sys
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import uuid
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@ -54,6 +55,7 @@ amqp_opts = [
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cfg.CONF.register_opts(amqp_opts)
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UNIQUE_ID = '_unique_id'
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LOG = logging.getLogger(__name__)
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@ -236,6 +238,7 @@ def msg_reply(conf, msg_id, reply_q, connection_pool, reply=None,
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'failure': failure}
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if ending:
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msg['ending'] = True
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_add_unique_id(msg)
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# If a reply_q exists, add the msg_id to the reply and pass the
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# reply_q to direct_send() to use it as the response queue.
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# Otherwise use the msg_id for backward compatibilty.
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@ -302,6 +305,37 @@ def pack_context(msg, context):
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msg.update(context_d)
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class _MsgIdCache(object):
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"""This class checks any duplicate messages."""
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# NOTE: This value is considered can be a configuration item, but
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# it is not necessary to change its value in most cases,
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# so let this value as static for now.
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DUP_MSG_CHECK_SIZE = 16
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def __init__(self, **kwargs):
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self.prev_msgids = collections.deque([],
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maxlen=self.DUP_MSG_CHECK_SIZE)
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def check_duplicate_message(self, message_data):
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"""AMQP consumers may read same message twice when exceptions occur
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before ack is returned. This method prevents doing it.
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"""
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if UNIQUE_ID in message_data:
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msg_id = message_data[UNIQUE_ID]
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if msg_id not in self.prev_msgids:
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self.prev_msgids.append(msg_id)
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else:
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raise rpc_common.DuplicateMessageError(msg_id=msg_id)
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def _add_unique_id(msg):
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"""Add unique_id for checking duplicate messages."""
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unique_id = uuid.uuid4().hex
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msg.update({UNIQUE_ID: unique_id})
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LOG.debug(_('UNIQUE_ID is %s.') % (unique_id))
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class _ThreadPoolWithWait(object):
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"""Base class for a delayed invocation manager used by
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the Connection class to start up green threads
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@ -349,6 +383,7 @@ class ProxyCallback(_ThreadPoolWithWait):
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connection_pool=connection_pool,
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)
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self.proxy = proxy
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self.msg_id_cache = _MsgIdCache()
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def __call__(self, message_data):
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"""Consumer callback to call a method on a proxy object.
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@ -368,6 +403,7 @@ class ProxyCallback(_ThreadPoolWithWait):
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if hasattr(local.store, 'context'):
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del local.store.context
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rpc_common._safe_log(LOG.debug, _('received %s'), message_data)
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self.msg_id_cache.check_duplicate_message(message_data)
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ctxt = unpack_context(self.conf, message_data)
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method = message_data.get('method')
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args = message_data.get('args', {})
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@ -422,6 +458,7 @@ class MulticallProxyWaiter(object):
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self._dataqueue = queue.LightQueue()
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# Add this caller to the reply proxy's call_waiters
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self._reply_proxy.add_call_waiter(self, self._msg_id)
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self.msg_id_cache = _MsgIdCache()
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def put(self, data):
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self._dataqueue.put(data)
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@ -435,6 +472,7 @@ class MulticallProxyWaiter(object):
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def _process_data(self, data):
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result = None
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self.msg_id_cache.check_duplicate_message(data)
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if data['failure']:
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failure = data['failure']
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result = rpc_common.deserialize_remote_exception(self._conf,
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@ -479,6 +517,7 @@ class MulticallWaiter(object):
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self._done = False
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self._got_ending = False
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self._conf = conf
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self.msg_id_cache = _MsgIdCache()
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def done(self):
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if self._done:
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@ -490,6 +529,7 @@ class MulticallWaiter(object):
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def __call__(self, data):
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"""The consume() callback will call this. Store the result."""
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self.msg_id_cache.check_duplicate_message(data)
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if data['failure']:
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failure = data['failure']
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self._result = rpc_common.deserialize_remote_exception(self._conf,
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@ -542,6 +582,7 @@ def multicall(conf, context, topic, msg, timeout, connection_pool):
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msg_id = uuid.uuid4().hex
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msg.update({'_msg_id': msg_id})
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LOG.debug(_('MSG_ID is %s') % (msg_id))
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_add_unique_id(msg)
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pack_context(msg, context)
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# TODO(pekowski): Remove this flag and the code under the if clause
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@ -575,6 +616,7 @@ def call(conf, context, topic, msg, timeout, connection_pool):
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def cast(conf, context, topic, msg, connection_pool):
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"""Sends a message on a topic without waiting for a response."""
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LOG.debug(_('Making asynchronous cast on %s...'), topic)
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_add_unique_id(msg)
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pack_context(msg, context)
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with ConnectionContext(conf, connection_pool) as conn:
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conn.topic_send(topic, rpc_common.serialize_msg(msg))
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@ -583,6 +625,7 @@ def cast(conf, context, topic, msg, connection_pool):
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def fanout_cast(conf, context, topic, msg, connection_pool):
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"""Sends a message on a fanout exchange without waiting for a response."""
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LOG.debug(_('Making asynchronous fanout cast...'))
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_add_unique_id(msg)
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pack_context(msg, context)
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with ConnectionContext(conf, connection_pool) as conn:
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conn.fanout_send(topic, rpc_common.serialize_msg(msg))
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@ -590,6 +633,7 @@ def fanout_cast(conf, context, topic, msg, connection_pool):
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def cast_to_server(conf, context, server_params, topic, msg, connection_pool):
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"""Sends a message on a topic to a specific server."""
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_add_unique_id(msg)
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pack_context(msg, context)
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with ConnectionContext(conf, connection_pool, pooled=False,
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server_params=server_params) as conn:
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@ -599,6 +643,7 @@ def cast_to_server(conf, context, server_params, topic, msg, connection_pool):
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def fanout_cast_to_server(conf, context, server_params, topic, msg,
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connection_pool):
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"""Sends a message on a fanout exchange to a specific server."""
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_add_unique_id(msg)
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pack_context(msg, context)
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with ConnectionContext(conf, connection_pool, pooled=False,
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server_params=server_params) as conn:
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@ -610,6 +655,7 @@ def notify(conf, context, topic, msg, connection_pool, envelope):
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LOG.debug(_('Sending %(event_type)s on %(topic)s'),
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dict(event_type=msg.get('event_type'),
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topic=topic))
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_add_unique_id(msg)
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pack_context(msg, context)
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with ConnectionContext(conf, connection_pool) as conn:
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if envelope:
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@ -49,8 +49,8 @@ deserialize_msg().
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The current message format (version 2.0) is very simple. It is:
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{
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'quantum.version': <RPC Envelope Version as a String>,
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'quantum.message': <Application Message Payload, JSON encoded>
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'oslo.version': <RPC Envelope Version as a String>,
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'oslo.message': <Application Message Payload, JSON encoded>
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}
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Message format version '1.0' is just considered to be the messages we sent
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@ -66,8 +66,8 @@ to the messaging libraries as a dict.
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'''
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_RPC_ENVELOPE_VERSION = '2.0'
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_VERSION_KEY = 'quantum.version'
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_MESSAGE_KEY = 'quantum.message'
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_VERSION_KEY = 'oslo.version'
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_MESSAGE_KEY = 'oslo.message'
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# TODO(russellb) Turn this on after Grizzly.
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@ -125,6 +125,10 @@ class Timeout(RPCException):
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message = _("Timeout while waiting on RPC response.")
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class DuplicateMessageError(RPCException):
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message = _("Found duplicate message(%(msg_id)s). Skipping it.")
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class InvalidRPCConnectionReuse(RPCException):
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message = _("Invalid reuse of an RPC connection.")
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@ -198,6 +198,7 @@ class DirectConsumer(ConsumerBase):
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"""
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# Default options
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options = {'durable': False,
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'queue_arguments': _get_queue_arguments(conf),
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'auto_delete': True,
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'exclusive': False}
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options.update(kwargs)
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@ -216,12 +216,18 @@ class ZmqClient(object):
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socket_type = zmq.PUSH
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self.outq = ZmqSocket(addr, socket_type, bind=bind)
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def cast(self, msg_id, topic, data, serialize=True, force_envelope=False):
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def cast(self, msg_id, topic, data, envelope=False):
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msg_id = msg_id or 0
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if serialize:
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data = rpc_common.serialize_msg(data, force_envelope)
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self.outq.send(map(bytes, (msg_id, topic, 'cast', _serialize(data))))
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if not (envelope or rpc_common._SEND_RPC_ENVELOPE):
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self.outq.send(map(bytes,
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(msg_id, topic, 'cast', _serialize(data))))
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return
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rpc_envelope = rpc_common.serialize_msg(data[1], envelope)
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zmq_msg = reduce(lambda x, y: x + y, rpc_envelope.items())
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self.outq.send(map(bytes,
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(msg_id, topic, 'impl_zmq_v2', data[0]) + zmq_msg))
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def close(self):
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self.outq.close()
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@ -320,7 +326,7 @@ class ConsumerBase(object):
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else:
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return [result]
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def process(self, style, target, proxy, ctx, data):
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def process(self, proxy, ctx, data):
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data.setdefault('version', None)
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data.setdefault('args', {})
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@ -432,12 +438,14 @@ class ZmqProxy(ZmqBaseReactor):
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#TODO(ewindisch): use zero-copy (i.e. references, not copying)
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data = sock.recv()
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msg_id, topic, style, in_msg = data
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topic = topic.split('.', 1)[0]
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topic = data[1]
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LOG.debug(_("CONSUMER GOT %s"), ' '.join(map(pformat, data)))
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if topic.startswith('fanout~') or topic.startswith('zmq_replies'):
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if topic.startswith('fanout~'):
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sock_type = zmq.PUB
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topic = topic.split('.', 1)[0]
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elif topic.startswith('zmq_replies'):
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sock_type = zmq.PUB
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else:
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sock_type = zmq.PUSH
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@ -520,6 +528,21 @@ class ZmqProxy(ZmqBaseReactor):
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super(ZmqProxy, self).consume_in_thread()
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def unflatten_envelope(packenv):
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"""Unflattens the RPC envelope.
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Takes a list and returns a dictionary.
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i.e. [1,2,3,4] => {1: 2, 3: 4}
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"""
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i = iter(packenv)
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h = {}
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try:
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while True:
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k = i.next()
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h[k] = i.next()
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except StopIteration:
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return h
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class ZmqReactor(ZmqBaseReactor):
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"""
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A consumer class implementing a
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@ -540,38 +563,50 @@ class ZmqReactor(ZmqBaseReactor):
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self.mapping[sock].send(data)
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return
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msg_id, topic, style, in_msg = data
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ctx, request = rpc_common.deserialize_msg(_deserialize(in_msg))
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ctx = RpcContext.unmarshal(ctx)
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proxy = self.proxies[sock]
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self.pool.spawn_n(self.process, style, topic,
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proxy, ctx, request)
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if data[2] == 'cast': # Legacy protocol
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packenv = data[3]
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ctx, msg = _deserialize(packenv)
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request = rpc_common.deserialize_msg(msg)
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ctx = RpcContext.unmarshal(ctx)
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elif data[2] == 'impl_zmq_v2':
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packenv = data[4:]
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msg = unflatten_envelope(packenv)
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request = rpc_common.deserialize_msg(msg)
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# Unmarshal only after verifying the message.
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ctx = RpcContext.unmarshal(data[3])
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else:
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LOG.error(_("ZMQ Envelope version unsupported or unknown."))
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return
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self.pool.spawn_n(self.process, proxy, ctx, request)
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class Connection(rpc_common.Connection):
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"""Manages connections and threads."""
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def __init__(self, conf):
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self.topics = []
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self.reactor = ZmqReactor(conf)
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def create_consumer(self, topic, proxy, fanout=False):
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# Only consume on the base topic name.
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topic = topic.split('.', 1)[0]
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LOG.info(_("Create Consumer for topic (%(topic)s)") %
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{'topic': topic})
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# Subscription scenarios
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if fanout:
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subscribe = ('', fanout)[type(fanout) == str]
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sock_type = zmq.SUB
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topic = 'fanout~' + topic
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subscribe = ('', fanout)[type(fanout) == str]
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topic = 'fanout~' + topic.split('.', 1)[0]
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else:
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sock_type = zmq.PULL
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subscribe = None
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topic = '.'.join((topic.split('.', 1)[0], CONF.rpc_zmq_host))
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if topic in self.topics:
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LOG.info(_("Skipping topic registration. Already registered."))
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return
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# Receive messages from (local) proxy
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inaddr = "ipc://%s/zmq_topic_%s" % \
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@ -582,9 +617,11 @@ class Connection(rpc_common.Connection):
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self.reactor.register(proxy, inaddr, sock_type,
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subscribe=subscribe, in_bind=False)
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self.topics.append(topic)
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def close(self):
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self.reactor.close()
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self.topics = []
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def wait(self):
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self.reactor.wait()
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@ -593,8 +630,8 @@ class Connection(rpc_common.Connection):
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self.reactor.consume_in_thread()
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def _cast(addr, context, topic, msg, timeout=None, serialize=True,
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force_envelope=False, _msg_id=None):
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def _cast(addr, context, topic, msg, timeout=None, envelope=False,
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_msg_id=None):
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timeout_cast = timeout or CONF.rpc_cast_timeout
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payload = [RpcContext.marshal(context), msg]
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@ -603,7 +640,7 @@ def _cast(addr, context, topic, msg, timeout=None, serialize=True,
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conn = ZmqClient(addr)
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# assumes cast can't return an exception
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conn.cast(_msg_id, topic, payload, serialize, force_envelope)
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conn.cast(_msg_id, topic, payload, envelope)
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except zmq.ZMQError:
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raise RPCException("Cast failed. ZMQ Socket Exception")
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finally:
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@ -612,7 +649,7 @@ def _cast(addr, context, topic, msg, timeout=None, serialize=True,
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def _call(addr, context, topic, msg, timeout=None,
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serialize=True, force_envelope=False):
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envelope=False):
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# timeout_response is how long we wait for a response
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timeout = timeout or CONF.rpc_response_timeout
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@ -642,20 +679,31 @@ def _call(addr, context, topic, msg, timeout=None,
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with Timeout(timeout, exception=rpc_common.Timeout):
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try:
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msg_waiter = ZmqSocket(
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"ipc://%s/zmq_topic_zmq_replies" % CONF.rpc_zmq_ipc_dir,
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"ipc://%s/zmq_topic_zmq_replies.%s" %
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(CONF.rpc_zmq_ipc_dir,
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CONF.rpc_zmq_host),
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zmq.SUB, subscribe=msg_id, bind=False
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)
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LOG.debug(_("Sending cast"))
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_cast(addr, context, topic, payload,
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serialize=serialize, force_envelope=force_envelope)
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_cast(addr, context, topic, payload, envelope)
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LOG.debug(_("Cast sent; Waiting reply"))
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# Blocks until receives reply
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msg = msg_waiter.recv()
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LOG.debug(_("Received message: %s"), msg)
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LOG.debug(_("Unpacking response"))
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responses = _deserialize(msg[-1])[-1]['args']['response']
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if msg[2] == 'cast': # Legacy version
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raw_msg = _deserialize(msg[-1])[-1]
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||||
elif msg[2] == 'impl_zmq_v2':
|
||||
rpc_envelope = unflatten_envelope(msg[4:])
|
||||
raw_msg = rpc_common.deserialize_msg(rpc_envelope)
|
||||
else:
|
||||
raise rpc_common.UnsupportedRpcEnvelopeVersion(
|
||||
_("Unsupported or unknown ZMQ envelope returned."))
|
||||
|
||||
responses = raw_msg['args']['response']
|
||||
# ZMQError trumps the Timeout error.
|
||||
except zmq.ZMQError:
|
||||
raise RPCException("ZMQ Socket Error")
|
||||
@ -676,8 +724,8 @@ def _call(addr, context, topic, msg, timeout=None,
|
||||
return responses[-1]
|
||||
|
||||
|
||||
def _multi_send(method, context, topic, msg, timeout=None, serialize=True,
|
||||
force_envelope=False, _msg_id=None):
|
||||
def _multi_send(method, context, topic, msg, timeout=None,
|
||||
envelope=False, _msg_id=None):
|
||||
"""
|
||||
Wraps the sending of messages,
|
||||
dispatches to the matchmaker and sends
|
||||
@ -703,11 +751,11 @@ def _multi_send(method, context, topic, msg, timeout=None, serialize=True,
|
||||
|
||||
if method.__name__ == '_cast':
|
||||
eventlet.spawn_n(method, _addr, context,
|
||||
_topic, msg, timeout, serialize,
|
||||
force_envelope, _msg_id)
|
||||
_topic, msg, timeout, envelope,
|
||||
_msg_id)
|
||||
return
|
||||
return method(_addr, context, _topic, msg, timeout,
|
||||
serialize, force_envelope)
|
||||
envelope)
|
||||
|
||||
|
||||
def create_connection(conf, new=True):
|
||||
@ -746,8 +794,7 @@ def notify(conf, context, topic, msg, **kwargs):
|
||||
# NOTE(ewindisch): dot-priority in rpc notifier does not
|
||||
# work with our assumptions.
|
||||
topic.replace('.', '-')
|
||||
kwargs['serialize'] = kwargs.pop('envelope')
|
||||
kwargs['force_envelope'] = True
|
||||
kwargs['envelope'] = kwargs.get('envelope', True)
|
||||
cast(conf, context, topic, msg, **kwargs)
|
||||
|
||||
|
||||
|
||||
@ -117,9 +117,9 @@ def _run_shell_command(cmd, throw_on_error=False):
|
||||
output = subprocess.Popen(["/bin/sh", "-c", cmd],
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.PIPE)
|
||||
out = output.communicate()
|
||||
if output.returncode and throw_on_error:
|
||||
raise Exception("%s returned %d" % cmd, output.returncode)
|
||||
out = output.communicate()
|
||||
if len(out) == 0:
|
||||
return None
|
||||
if len(out[0].strip()) == 0:
|
||||
@ -131,7 +131,7 @@ def write_git_changelog():
|
||||
"""Write a changelog based on the git changelog."""
|
||||
new_changelog = 'ChangeLog'
|
||||
if not os.getenv('SKIP_WRITE_GIT_CHANGELOG'):
|
||||
if os.path.isdir('.git'):
|
||||
if os.path.exists('.git'):
|
||||
git_log_cmd = 'git log --stat'
|
||||
changelog = _run_shell_command(git_log_cmd)
|
||||
mailmap = parse_mailmap()
|
||||
@ -147,7 +147,7 @@ def generate_authors():
|
||||
old_authors = 'AUTHORS.in'
|
||||
new_authors = 'AUTHORS'
|
||||
if not os.getenv('SKIP_GENERATE_AUTHORS'):
|
||||
if os.path.isdir('.git'):
|
||||
if os.path.exists('.git'):
|
||||
# don't include jenkins email address in AUTHORS file
|
||||
git_log_cmd = ("git log --format='%aN <%aE>' | sort -u | "
|
||||
"egrep -v '" + jenkins_email + "'")
|
||||
@ -279,7 +279,7 @@ def _get_version_from_git(pre_version):
|
||||
revision if there is one, or tag plus number of additional revisions
|
||||
if the current revision has no tag."""
|
||||
|
||||
if os.path.isdir('.git'):
|
||||
if os.path.exists('.git'):
|
||||
if pre_version:
|
||||
try:
|
||||
return _run_shell_command(
|
||||
|
||||
Loading…
Reference in New Issue
Block a user