3266340ecc
Fix paramiko import problem. Fix pep8 error. Change-Id: I7098da304ddfca18dfcc6bf79369479a73c8ae94
111 lines
3.7 KiB
Python
Executable File
111 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import ConfigParser
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import daemon
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import daemon.pidlockfile
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import logging.config
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import os
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import signal
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# No zuul imports here because they pull in paramiko which must not be
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# imported until after the daemonization.
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# https://github.com/paramiko/paramiko/issues/59
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class Server(object):
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def __init__(self):
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self.args = None
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self.config = None
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def parse_arguments(self):
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parser = argparse.ArgumentParser(description='Project gating system.')
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parser.add_argument('-c', dest='config',
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help='specify the config file')
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parser.add_argument('-d', dest='nodaemon', action='store_true',
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help='do not run as a daemon')
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self.args = parser.parse_args()
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def read_config(self):
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self.config = ConfigParser.ConfigParser()
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if self.args.config:
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locations = [self.args.config]
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else:
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locations = ['/etc/zuul/zuul.conf',
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'~/zuul.conf']
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for fp in locations:
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if os.path.exists(os.path.expanduser(fp)):
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self.config.read(os.path.expanduser(fp))
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return
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raise Exception("Unable to locate config file in %s" % locations)
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def setup_logging(self):
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if self.config.has_option('zuul', 'log_config'):
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fp = os.path.expanduser(self.config.get('zuul', 'log_config'))
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if not os.path.exists(fp):
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raise Exception("Unable to read logging config file at %s" %
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fp)
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logging.config.fileConfig(fp)
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else:
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logging.basicConfig(level=logging.DEBUG)
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def reconfigure_handler(self, signum, frame):
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signal.signal(signal.SIGHUP, signal.SIG_IGN)
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self.read_config()
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self.setup_logging()
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self.sched.reconfigure(self.config)
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signal.signal(signal.SIGHUP, self.reconfigure_handler)
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def main(self):
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# See comment at top of file about zuul imports
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import zuul.scheduler
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import zuul.launcher.jenkins
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import zuul.trigger.gerrit
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self.sched = zuul.scheduler.Scheduler()
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jenkins = zuul.launcher.jenkins.Jenkins(self.config, self.sched)
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gerrit = zuul.trigger.gerrit.Gerrit(self.config, self.sched)
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self.sched.setLauncher(jenkins)
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self.sched.setTrigger(gerrit)
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self.sched.start()
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self.sched.reconfigure(self.config)
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signal.signal(signal.SIGHUP, self.reconfigure_handler)
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while True:
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signal.pause()
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if __name__ == '__main__':
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server = Server()
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server.parse_arguments()
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server.read_config()
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if server.config.has_option('zuul', 'pidfile'):
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pid_fn = os.path.expanduser(server.config.get('zuul', 'pidfile'))
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else:
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pid_fn = '/var/run/zuul/zuul.pid'
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pid = daemon.pidlockfile.TimeoutPIDLockFile(pid_fn, 10)
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if server.args.nodaemon:
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server.setup_logging()
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server.main()
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else:
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with daemon.DaemonContext(pidfile=pid):
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server.setup_logging()
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server.main()
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