110 lines
3.6 KiB
Python
110 lines
3.6 KiB
Python
#!/usr/bin/env python
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# Copyright 2017 Red Hat, Inc.
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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 logging
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import signal
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import sys
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import zuul.cmd
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import zuul.lib.fingergw
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from zuul.lib.config import get_default
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class FingerGatewayApp(zuul.cmd.ZuulDaemonApp):
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'''
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Class for the daemon that will distribute any finger requests to the
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appropriate Zuul executor handling the specified build UUID.
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'''
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app_name = 'fingergw'
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app_description = 'The Zuul finger gateway.'
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def __init__(self):
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super(FingerGatewayApp, self).__init__()
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self.gateway = None
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def createParser(self):
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parser = super(FingerGatewayApp, self).createParser()
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parser.add_argument('command',
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choices=zuul.lib.fingergw.COMMANDS,
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nargs='?')
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return parser
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def parseArguments(self, args=None):
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super(FingerGatewayApp, self).parseArguments()
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if self.args.command:
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self.args.nodaemon = True
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def run(self):
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'''
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Main entry point for the FingerGatewayApp.
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Called by the main() method of the parent class.
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'''
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if self.args.command in zuul.lib.fingergw.COMMANDS:
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self.send_command(self.args.command)
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sys.exit(0)
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self.setup_logging('fingergw', 'log_config')
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self.log = logging.getLogger('zuul.fingergw')
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# Get values from configuration file
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host = get_default(self.config, 'fingergw', 'listen_address', '::')
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port = int(get_default(self.config, 'fingergw', 'port', 79))
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user = get_default(self.config, 'fingergw', 'user', None)
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cmdsock = get_default(
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self.config, 'fingergw', 'command_socket',
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'/var/lib/zuul/%s.socket' % self.app_name)
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gear_server = get_default(self.config, 'gearman', 'server')
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gear_port = get_default(self.config, 'gearman', 'port', 4730)
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ssl_key = get_default(self.config, 'gearman', 'ssl_key')
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ssl_cert = get_default(self.config, 'gearman', 'ssl_cert')
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ssl_ca = get_default(self.config, 'gearman', 'ssl_ca')
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self.gateway = zuul.lib.fingergw.FingerGateway(
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(gear_server, gear_port, ssl_key, ssl_cert, ssl_ca),
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(host, port),
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user,
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cmdsock,
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self.getPidFile(),
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)
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self.log.info('Starting Zuul finger gateway app')
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self.gateway.start()
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if self.args.nodaemon:
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# NOTE(Shrews): When running in non-daemon mode, although sending
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# the 'stop' command via the command socket will shutdown the
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# gateway, it's still necessary to Ctrl+C to stop the app.
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while True:
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try:
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signal.pause()
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except KeyboardInterrupt:
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print("Ctrl + C: asking gateway to exit nicely...\n")
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self.stop()
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break
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else:
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self.gateway.wait()
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self.log.info('Stopped Zuul finger gateway app')
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def stop(self):
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if self.gateway:
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self.gateway.stop()
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def main():
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FingerGatewayApp().main()
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