/usr/lib/python3/dist-packages/cloudkitty/messaging.py is in python3-cloudkitty 7.0.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2016 99Cloud zhangguoqing <zhang.guoqing@99cloud.net>
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_config import cfg
import oslo_messaging
from oslo_messaging.rpc import dispatcher
DEFAULT_URL = "__default__"
RPC_TARGET = None
TRANSPORTS = {}
def setup():
oslo_messaging.set_transport_defaults('cloudkitty')
def get_transport(url=None, optional=False, cache=True):
"""Initialise the oslo_messaging layer."""
global TRANSPORTS, DEFAULT_URL
cache_key = url or DEFAULT_URL
transport = TRANSPORTS.get(cache_key)
if not transport or not cache:
try:
transport = oslo_messaging.get_rpc_transport(cfg.CONF, url)
except (oslo_messaging.InvalidTransportURL,
oslo_messaging.DriverLoadFailure):
if not optional or url:
# NOTE(sileht): oslo_messaging is configured but unloadable
# so reraise the exception
raise
return None
else:
if cache:
TRANSPORTS[cache_key] = transport
return transport
def get_target():
global RPC_TARGET
if RPC_TARGET is None:
RPC_TARGET = oslo_messaging.Target(topic='cloudkitty', version='1.0')
return RPC_TARGET
def get_client(version_cap=None):
transport = get_transport()
target = get_target()
return oslo_messaging.RPCClient(transport, target, version_cap=version_cap)
def get_server(target=None, endpoints=None):
access_policy = dispatcher.DefaultRPCAccessPolicy
transport = get_transport()
if not target:
target = get_target()
return oslo_messaging.get_rpc_server(transport, target,
endpoints, executor='eventlet',
access_policy=access_policy)
def cleanup():
"""Cleanup the oslo_messaging layer."""
global TRANSPORTS, NOTIFIERS
NOTIFIERS = {}
for url in TRANSPORTS:
TRANSPORTS[url].cleanup()
del TRANSPORTS[url]
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