126 lines
4.3 KiB
Python
Executable File
126 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
#
|
|
# 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 sys
|
|
import eventlet
|
|
|
|
eventlet.monkey_patch(
|
|
os=True,
|
|
select=True,
|
|
socket=True,
|
|
thread=False if '--use-debugger' in sys.argv else True,
|
|
time=True)
|
|
|
|
import os
|
|
|
|
# If ../mistral/__init__.py exists, add ../ to Python search path, so that
|
|
# it will override what happens to be installed in /usr/(local/)lib/python...
|
|
POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
|
|
os.pardir,
|
|
os.pardir))
|
|
if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'mistral', '__init__.py')):
|
|
sys.path.insert(0, POSSIBLE_TOPDIR)
|
|
|
|
from oslo import messaging
|
|
from oslo.config import cfg
|
|
|
|
from mistral import config
|
|
from mistral import engine
|
|
from mistral.engine.scalable.executor import server
|
|
from mistral.api import app
|
|
from wsgiref import simple_server
|
|
from mistral.openstack.common import log as logging
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def launch_executor(transport):
|
|
target = messaging.Target(topic=cfg.CONF.executor.topic,
|
|
server=cfg.CONF.executor.host)
|
|
endpoints = [server.Executor(transport)]
|
|
ex_server = messaging.get_rpc_server(
|
|
transport, target, endpoints, executor='eventlet')
|
|
ex_server.start()
|
|
ex_server.wait()
|
|
|
|
|
|
def launch_engine(transport):
|
|
target = messaging.Target(topic=cfg.CONF.engine.topic,
|
|
server=cfg.CONF.engine.host)
|
|
endpoints = [engine.Engine(transport)]
|
|
en_server = messaging.get_rpc_server(
|
|
transport, target, endpoints, executor='eventlet')
|
|
en_server.start()
|
|
en_server.wait()
|
|
|
|
|
|
def launch_api(transport):
|
|
host = cfg.CONF.api.host
|
|
port = cfg.CONF.api.port
|
|
server = simple_server.make_server(host, port,
|
|
app.setup_app(transport=transport))
|
|
LOG.info("Mistral API is serving on http://%s:%s (PID=%s)" %
|
|
(host, port, os.getpid()))
|
|
server.serve_forever()
|
|
|
|
|
|
def launch_all(transport):
|
|
# Launch the servers on different threads.
|
|
t1 = eventlet.spawn(launch_executor, transport)
|
|
t2 = eventlet.spawn(launch_engine, transport)
|
|
t3 = eventlet.spawn(launch_api, transport)
|
|
t1.wait() and t2.wait() and t3.wait()
|
|
|
|
|
|
def main():
|
|
try:
|
|
config.parse_args()
|
|
logging.setup('Mistral')
|
|
|
|
# Map cli options to appropriate functions. The cli options are
|
|
# registered in mistral's config.py.
|
|
launch_options = {
|
|
'all': launch_all,
|
|
'api': launch_api,
|
|
'engine': launch_engine,
|
|
'executor': launch_executor
|
|
}
|
|
|
|
# Please refer to the oslo.messaging documentation for transport
|
|
# configuration. The default transport for oslo.messaging is rabbitMQ.
|
|
# The available transport drivers are listed under oslo.messaging at
|
|
# ./oslo/messaging/rpc/_drivers. The drivers are prefixed with "impl".
|
|
# The transport driver is specified using the rpc_backend option in the
|
|
# default section of the oslo configuration file. The expected value
|
|
# for rpc_backend is the last part of the driver name. For example,
|
|
# the driver for rabbit is impl_rabbit and for the fake driver is
|
|
# impl_fake. The rpc_backend value for these are "rabbit" and "fake"
|
|
# respectively. There are additional options such as ssl and credential
|
|
# that can be specified depending on the driver. Please refer to the
|
|
# driver implementation for those additional options.
|
|
transport = messaging.get_transport(cfg.CONF)
|
|
|
|
# Launch server(s).
|
|
launch_options[cfg.CONF.server](transport)
|
|
|
|
except RuntimeError, e:
|
|
sys.stderr.write("ERROR: %s\n" % e)
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|