The Gatekeeper, or a project gating system
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#!/usr/bin/env python
# Copyright 2012 Hewlett-Packard Development Company, L.P.
#
# 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 argparse
import ConfigParser
import os
import zuul.scheduler
import zuul.launcher.jenkins
import zuul.trigger.gerrit
import logging.config
def parse_arguments():
parser = argparse.ArgumentParser(description='Project gating system.')
parser.add_argument('-c', dest='config',
help='specify the config file')
return parser.parse_args()
def read_config(args):
config=ConfigParser.ConfigParser()
if args.config:
locations = [args.config]
else:
locations = ['/etc/zuul/zuul.conf',
'~/zuul.conf']
for fp in locations:
if os.path.exists(os.path.expanduser(fp)):
config.read(fp)
return config
raise Exception("Unable to locate config file in %s" % locations)
def setup_logging(config):
if config.has_option('zuul', 'log_config'):
fp = os.path.expanduser(config.get('zuul', 'log_config'))
if not os.path.exists(fp):
raise Exception("Unable to read logging config file at %s" % fp)
logging.config.fileConfig(fp)
else:
logging.basicConfig(level=logging.DEBUG)
def main(config):
sched = zuul.scheduler.Scheduler(config)
jenkins = zuul.launcher.jenkins.Jenkins(config, sched)
gerrit = zuul.trigger.gerrit.Gerrit(config, sched)
sched.setLauncher(jenkins)
sched.setTrigger(gerrit)
sched.run()
if __name__ == '__main__':
args = parse_arguments()
config = read_config(args)
setup_logging(config)
main(config)