ci-cd-pipeline-app-murano/murano-apps/LBaaS-interface/package/Resources/scripts/lbaas_api-0.1/lbaas/cmd/launch.py

106 lines
2.8 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 ../lbaas/__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, 'lbaas', '__init__.py')):
sys.path.insert(0, POSSIBLE_TOPDIR)
from oslo_config import cfg
from oslo_log import log as logging
from wsgiref import simple_server
from lbaas.api import app
from lbaas import config
from lbaas.drivers import driver
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
def launch_api():
host = cfg.CONF.api.host
port = cfg.CONF.api.port
server = simple_server.make_server(
host,
port,
app.setup_app()
)
LOG.info("LBaaS API is serving on http://%s:%s (PID=%s)" %
(host, port, os.getpid()))
server.serve_forever()
def get_properly_ordered_parameters():
"""Orders launch parameters in the right order.
In oslo it's important the order of the launch parameters.
if --config-file came after the command line parameters the command
line parameters are ignored.
So to make user command line parameters are never ignored this method
moves --config-file to be always first.
"""
args = sys.argv[1:]
for arg in sys.argv[1:]:
if arg == '--config-file' or arg.startswith('--config-file='):
conf_file_value = args[args.index(arg) + 1]
args.remove(conf_file_value)
args.remove(arg)
args.insert(0, arg)
args.insert(1, conf_file_value)
return args
def main():
try:
config.parse_args(get_properly_ordered_parameters())
logging.setup(CONF, 'Lbaas')
driver.load_lb_drivers()
launch_api()
except RuntimeError as excp:
sys.stderr.write("ERROR: %s\n" % excp)
sys.exit(1)
if __name__ == '__main__':
main()