zuul/zuul/cmd/web.py
James E. Blair 1eda9ccf96 Correct exit routine in web, merger
Change I216b76d6aaf7ebd01fa8cca843f03fd7a3eea16d unified the
service stop sequence but omitted changes to zuul-web.  Update
zuul-web to match and make its sequence more robust.

Also remove unecessary sys.exit calls from the merger.

Change-Id: Ifdebc17878aa44d57996e4bdd46e49e6144b406b
2022-10-05 13:25:07 -07:00

99 lines
3.0 KiB
Python
Executable File

# Copyright 2017 Red Hat, Inc.
# Copyright 2021-2022 Acme Gating, LLC
#
# 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 logging
import signal
import sys
import zuul.cmd
import zuul.model
import zuul.web
import zuul.driver.sql
import zuul.driver.github
import zuul.lib.auth
class WebServer(zuul.cmd.ZuulDaemonApp):
app_name = 'web'
app_description = 'A standalone Zuul web server.'
def createParser(self):
parser = super().createParser()
self.addSubCommands(parser, zuul.web.COMMANDS)
return parser
def exit_handler(self, signum, frame):
self.web.stop()
def _run(self):
info = zuul.model.WebInfo.fromConfig(self.config)
# Validate config here before we spin up the ZuulWeb object
for conn_name, connection in self.connections.connections.items():
try:
connection.validateWebConfig(self.config, self.connections)
except Exception:
self.log.exception("Error validating config")
sys.exit(1)
try:
self.web = zuul.web.ZuulWeb(
config=self.config,
info=info,
connections=self.connections,
authenticators=self.authenticators,
)
self.connections.load(self.web.zk_client,
self.web.component_registry)
except Exception:
self.log.exception("Error creating ZuulWeb:")
sys.exit(1)
signal.signal(signal.SIGUSR1, self.exit_handler)
signal.signal(signal.SIGTERM, self.exit_handler)
self.log.info('Zuul Web Server starting')
self.web.start()
try:
self.web.join()
except KeyboardInterrupt:
print("Ctrl + C: asking process to exit nicely...\n")
self.exit_handler(signal.SIGINT, None)
self.web.join()
self.log.info("Zuul Web Server stopped")
def configure_authenticators(self):
self.authenticators = zuul.lib.auth.AuthenticatorRegistry()
self.authenticators.configure(self.config)
def run(self):
self.handleCommands()
self.setup_logging('web', 'log_config')
self.log = logging.getLogger("zuul.WebServer")
try:
self.configure_connections(require_sql=True)
self.configure_authenticators()
self._run()
except Exception:
self.log.exception("Exception from WebServer:")
def main():
WebServer().main()