1dff39fccd
As we continue to debug performance, it can be useful to have access to a REPL as in Zuul. Since there is no command socket in Nodepool as there is in Zuul, the REPL must be engaged with a CLI argument at startup. Change-Id: Ieece1628494f79f39bd04216fc9ad7b725e541d8
89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
# Copyright 2012 Hewlett-Packard Development Company, L.P.
|
|
# Copyright 2013 OpenStack Foundation
|
|
#
|
|
# 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 logging
|
|
import os
|
|
import sys
|
|
import signal
|
|
|
|
import nodepool.cmd
|
|
import nodepool.launcher
|
|
import nodepool.webapp
|
|
import nodepool.lib.repl
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class NodePoolLauncherApp(nodepool.cmd.NodepoolDaemonApp):
|
|
|
|
app_name = 'nodepool'
|
|
|
|
def create_parser(self):
|
|
parser = super(NodePoolLauncherApp, self).create_parser()
|
|
|
|
parser.add_argument('-c', dest='config',
|
|
default='/etc/nodepool/nodepool.yaml',
|
|
help='path to config file')
|
|
parser.add_argument('-s', dest='secure',
|
|
help='path to secure file')
|
|
parser.add_argument('--no-webapp', action='store_true')
|
|
parser.add_argument('--repl', action='store_true',
|
|
help="Start a REPL on port 3000")
|
|
return parser
|
|
|
|
def parse_args(self):
|
|
super().parse_args()
|
|
self.config_file = self.get_path(self.args.config)
|
|
self.secure_file = self.get_path(self.args.secure)
|
|
|
|
def exit_handler(self, signum, frame):
|
|
self.pool.stop()
|
|
if not self.args.no_webapp:
|
|
self.webapp.stop()
|
|
sys.exit(0)
|
|
|
|
def term_handler(self, signum, frame):
|
|
os._exit(0)
|
|
|
|
def run(self):
|
|
self.pool = nodepool.launcher.NodePool(self.secure_file,
|
|
self.config_file)
|
|
if not self.args.no_webapp:
|
|
config = self.pool.loadConfig()
|
|
self.webapp = nodepool.webapp.WebApp(self.pool,
|
|
**config.webapp)
|
|
|
|
signal.signal(signal.SIGINT, self.exit_handler)
|
|
# For back compatibility:
|
|
signal.signal(signal.SIGUSR1, self.exit_handler)
|
|
|
|
signal.signal(signal.SIGTERM, self.term_handler)
|
|
|
|
self.pool.start()
|
|
|
|
if not self.args.no_webapp:
|
|
self.webapp.start()
|
|
|
|
if self.args.repl:
|
|
self.repl = nodepool.lib.repl.REPLServer(self.pool)
|
|
self.repl.start()
|
|
|
|
while True:
|
|
signal.pause()
|
|
|
|
|
|
def main():
|
|
return NodePoolLauncherApp.main()
|