vmware-nsx/neutron/server/__init__.py
Carl Baldwin bff62b40a8 Adds multiple RPC worker processes to neutron server
blueprint multiple-rpc-workers

Co-Authored-By: Terry Wilson<twilson@redhat.com>
Change-Id: I51f2a52add6c11af905e6f1e6e45d31731ebbb5d
2014-03-04 00:50:20 +00:00

71 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright 2011 VMware, Inc.
# All Rights Reserved.
#
# 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.
# If ../neutron/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
import eventlet
import sys
from oslo.config import cfg
from neutron.common import config
from neutron import service
from neutron.openstack.common import gettextutils
from neutron.openstack.common import log as logging
gettextutils.install('neutron', lazy=True)
LOG = logging.getLogger(__name__)
def main():
eventlet.monkey_patch()
# the configuration will be read into the cfg.CONF global data structure
config.parse(sys.argv[1:])
if not cfg.CONF.config_file:
sys.exit(_("ERROR: Unable to find configuration file via the default"
" search paths (~/.neutron/, ~/, /etc/neutron/, /etc/) and"
" the '--config-file' option!"))
try:
pool = eventlet.GreenPool()
neutron_api = service.serve_wsgi(service.NeutronApiService)
api_thread = pool.spawn(neutron_api.wait)
try:
neutron_rpc = service.serve_rpc()
except NotImplementedError:
LOG.info(_("RPC was already started in parent process by plugin."))
else:
rpc_thread = pool.spawn(neutron_rpc.wait)
# api and rpc should die together. When one dies, kill the other.
rpc_thread.link(lambda gt: api_thread.kill())
api_thread.link(lambda gt: rpc_thread.kill())
pool.waitall()
except KeyboardInterrupt:
pass
except RuntimeError as e:
sys.exit(_("ERROR: %s") % e)
if __name__ == "__main__":
main()