123 lines
4.2 KiB
Python
Executable File
123 lines
4.2 KiB
Python
Executable File
#!/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 asyncio
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import logging
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import signal
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import sys
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import threading
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import zuul.cmd
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import zuul.web
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from zuul.driver.sql import sqlconnection
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from zuul.lib.config import get_default
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class WebServer(zuul.cmd.ZuulDaemonApp):
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app_name = 'web'
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app_description = 'A standalone Zuul web server.'
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def exit_handler(self, signum, frame):
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self.web.stop()
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def _run(self):
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params = dict()
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params['listen_address'] = get_default(self.config,
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'web', 'listen_address',
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'127.0.0.1')
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params['listen_port'] = get_default(self.config, 'web', 'port', 9000)
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params['static_cache_expiry'] = get_default(self.config, 'web',
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'static_cache_expiry',
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3600)
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params['gear_server'] = get_default(self.config, 'gearman', 'server')
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params['gear_port'] = get_default(self.config, 'gearman', 'port', 4730)
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params['ssl_key'] = get_default(self.config, 'gearman', 'ssl_key')
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params['ssl_cert'] = get_default(self.config, 'gearman', 'ssl_cert')
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params['ssl_ca'] = get_default(self.config, 'gearman', 'ssl_ca')
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sql_conn_name = get_default(self.config, 'web',
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'sql_connection_name')
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sql_conn = None
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if sql_conn_name:
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# we want a specific sql connection
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sql_conn = self.connections.connections.get(sql_conn_name)
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if not sql_conn:
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self.log.error("Couldn't find sql connection '%s'" %
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sql_conn_name)
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sys.exit(1)
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else:
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# look for any sql connection
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connections = [c for c in self.connections.connections.values()
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if isinstance(c, sqlconnection.SQLConnection)]
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if len(connections) > 1:
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self.log.error("Multiple sql connection found, "
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"set the sql_connection_name option "
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"in zuul.conf [web] section")
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sys.exit(1)
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if connections:
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# use this sql connection by default
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sql_conn = connections[0]
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params['sql_connection'] = sql_conn
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try:
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self.web = zuul.web.ZuulWeb(**params)
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except Exception as e:
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self.log.exception("Error creating ZuulWeb:")
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sys.exit(1)
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loop = asyncio.get_event_loop()
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signal.signal(signal.SIGUSR1, self.exit_handler)
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signal.signal(signal.SIGTERM, self.exit_handler)
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self.log.info('Zuul Web Server starting')
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self.thread = threading.Thread(target=self.web.run,
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args=(loop,),
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name='web')
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self.thread.start()
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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 web server to exit nicely...\n")
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self.exit_handler(signal.SIGINT, None)
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self.thread.join()
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loop.stop()
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loop.close()
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self.log.info("Zuul Web Server stopped")
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def run(self):
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self.setup_logging('web', 'log_config')
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self.log = logging.getLogger("zuul.WebServer")
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self.configure_connections()
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signal.signal(signal.SIGUSR2, zuul.cmd.stack_dump_handler)
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try:
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self._run()
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except Exception:
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self.log.exception("Exception from WebServer:")
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def main():
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WebServer().main()
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if __name__ == "__main__":
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main()
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