deb-murano/murano/cmd/engine.py
zhurong 23fbee8dcd Add multiple api workers
There is currently no way to specify the number of api workers,
This patch add multiple api workers support.

Change-Id: Id79cb7a3e056cf5ddc9967f2f26e1973f1473e8b
Closes-Bug: #1603343
2016-08-10 13:54:36 +00:00

66 lines
1.9 KiB
Python

#!/usr/bin/env python
#
# Copyright (c) 2013 Mirantis, 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 os
import eventlet
if os.name == 'nt':
# eventlet monkey patching causes subprocess.Popen to fail on Windows
# when using pipes due to missing non blocking I/O support
eventlet.monkey_patch(os=False)
else:
eventlet.monkey_patch()
import sys
from oslo_concurrency import processutils
from oslo_log import log as logging
from oslo_service import service
from murano.common import config
from murano.common import engine
CONF = config.CONF
# If ../murano/__init__.py exists, add ../ to Python search path, so that
# it will override what happens to be installed in /usr/(local/)lib/python...
root = os.path.join(os.path.abspath(__file__), os.pardir, os.pardir, os.pardir)
if os.path.exists(os.path.join(root, 'murano', '__init__.py')):
sys.path.insert(0, root)
def main():
try:
config.parse_args()
logging.setup(CONF, 'murano')
workers = CONF.engine.engine_workers
if not workers:
workers = processutils.get_worker_count()
launcher = service.launch(CONF,
engine.EngineService(), workers=workers)
launcher.wait()
except RuntimeError as e:
sys.stderr.write("ERROR: %s\n" % e)
sys.exit(1)
if __name__ == '__main__':
main()