148 lines
5.9 KiB
Python
148 lines
5.9 KiB
Python
# Copyright 2013 OpenStack Foundation
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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 daemon
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import extras
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import gear
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import logging
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import logging.config
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import os
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import pbr.version
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import signal
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import sys
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from six.moves import configparser as ConfigParser
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pid_file_module = extras.try_imports(['daemon.pidlockfile', 'daemon.pidfile'])
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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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self.gear_server_pid = None
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def parse_arguments(self):
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parser = argparse.ArgumentParser(description="""
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Gearman server.
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If the statsd python module is available, set STATSD_HOST,
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STATSD_PORT, and STATSD_PREFIX environment variables for statsd
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support.
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""")
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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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parser.add_argument('-p', dest='port', default=4730,
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help='port on which to listen')
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parser.add_argument('--log-config', dest='log_config',
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help='logging config file')
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parser.add_argument('--pidfile', dest='pidfile',
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default='/var/run/geard/geard.pid',
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help='PID file')
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parser.add_argument('--ssl-ca', dest='ssl_ca', metavar='PATH',
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help='path to CA certificate')
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parser.add_argument('--ssl-cert', dest='ssl_cert', metavar='PATH',
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help='path to SSL public certificate')
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parser.add_argument('--ssl-key', dest='ssl_key', metavar='PATH',
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help='path to SSL private key')
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parser.add_argument('--acl', dest='acl', metavar='PATH',
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help='path to ACL file')
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parser.add_argument('--keepalive', dest='keepalive', default=False,
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action='store_true',
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help='enable TCP keepalives in socket')
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parser.add_argument('--keepalive-idle', dest='tcp_keepidle', type=int,
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default=7200, action='store',
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help='TCP keepalive idle time')
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parser.add_argument('--keepalive-interval', dest='tcp_keepintvl',
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type=int, default=75, action='store',
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help='TCP keepalive probe interval')
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parser.add_argument('--keepalive-count', dest='tcp_keepcnt', type=int,
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default=9, action='store',
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help='TCP keepalive probes count')
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parser.add_argument('--version', dest='version', action='store_true',
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help='show version')
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self.args = parser.parse_args()
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def setup_logging(self):
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if self.args.log_config:
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if not os.path.exists(self.args.log_config):
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raise Exception("Unable to read logging config file at %s" %
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self.args.log_config)
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logging.config.fileConfig(self.args.log_config)
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else:
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if self.args.nodaemon:
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logging.basicConfig(level=logging.DEBUG)
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else:
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logging.basicConfig(level=logging.INFO,
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filename="/var/log/geard/geard.log")
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def main(self):
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self.setup_logging()
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statsd_host = os.environ.get('STATSD_HOST')
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statsd_port = int(os.environ.get('STATSD_PORT', 8125))
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statsd_prefix = os.environ.get('STATSD_PREFIX')
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acl = None
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if self.args.acl:
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aclf = ConfigParser.RawConfigParser()
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aclf.read(self.args.acl)
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acl = gear.ACL()
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for section in aclf.sections():
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if aclf.has_option(section, 'register'):
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register = aclf.get(section, 'register')
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else:
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register = None
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if aclf.has_option(section, 'invoke'):
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invoke = aclf.get(section, 'invoke')
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else:
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invoke = None
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if aclf.has_option(section, 'grant'):
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grant = aclf.getboolean(section, 'grant')
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else:
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grant = None
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entry = gear.ACLEntry(section, register, invoke, grant)
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acl.add(entry)
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self.server = gear.Server(self.args.port,
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self.args.ssl_key,
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self.args.ssl_cert,
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self.args.ssl_ca,
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statsd_host,
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statsd_port,
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statsd_prefix,
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acl=acl,
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keepalive=self.args.keepalive,
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tcp_keepidle=self.args.tcp_keepidle,
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tcp_keepintvl=self.args.tcp_keepintvl,
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tcp_keepcnt=self.args.tcp_keepcnt
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)
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signal.pause()
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def main():
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server = Server()
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server.parse_arguments()
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if server.args.version:
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vi = pbr.version.VersionInfo('gear')
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print("Gear version: {}".format(vi.version_string()))
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sys.exit(0)
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if server.args.nodaemon:
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server.main()
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else:
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pid = pid_file_module.TimeoutPIDLockFile(server.args.pidfile, 10)
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with daemon.DaemonContext(pidfile=pid):
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server.main()
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