pagure-new/pagure-ci/pagure_ci_server.py

144 lines
3.9 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
(c) 2016 - Copyright Red Hat Inc
Authors:
Pierre-Yves Chibon <pingou@pingoured.fr>
This server listens to message sent via redis and send the corresponding
web-hook request.
Using this mechanism, we no longer block the main application if the
receiving end is offline or so.
"""
import json
import logging
logging.basicConfig(level=logging.DEBUG)
import os
import requests
import trollius
import trollius_redis
LOG = logging.getLogger(__name__)
if 'PAGURE_CONFIG' not in os.environ \
and os.path.exists('/etc/pagure/pagure.cfg'):
print 'Using configuration file `/etc/pagure/pagure.cfg`'
os.environ['PAGURE_CONFIG'] = '/etc/pagure/pagure.cfg'
import pagure
import pagure.lib
@trollius.coroutine
def handle_messages():
''' Handles connecting to redis and acting upon messages received.
In this case, it means triggering a build on jenkins based on the
information provided.
'''
host = pagure.APP.config.get('REDIS_HOST', '0.0.0.0')
port = pagure.APP.config.get('REDIS_PORT', 6379)
dbname = pagure.APP.config.get('REDIS_DB', 0)
connection = yield trollius.From(trollius_redis.Connection.create(
host=host, port=port, db=dbname))
# Create subscriber.
subscriber = yield trollius.From(connection.start_subscribe())
# Subscribe to channel.
yield trollius.From(subscriber.subscribe(['pagure.ci']))
# Inside a while loop, wait for incoming events.
while True:
reply = yield trollius.From(subscriber.next_published())
LOG.info(
'Received: %s on channel: %s',
repr(reply.value), reply.channel)
data = json.loads(reply.value)
pr_id = data['pr']['id']
pr_uid = data['pr']['uid']
branch = data['pr']['branch_from']
LOG.info('Looking for PR: %s', pr_uid)
request = pagure.lib.get_request_by_uid(pagure.SESSION, pr_uid)
if not request:
LOG.warning(
'No request could be found from the message %s', data)
continue
LOG.info(
"Trigger on %s PR #%s from %s: %s",
request.project.fullname, pr_id,
request.project_from.fullname, branch)
url = request.project.ci_hook.ci_url.rstrip('/')
if data['ci_type'] == 'jenkins':
url = url + '/buildWithParameters'
repo = '%s/%s' % (
pagure.APP.config['GIT_URL_GIT'].rstrip('/'),
request.project_from.path)
LOG.info(
'Triggering the build at: %s, for repo: %s', url, repo)
requests.post(
url,
data={
'token': request.project.ci_hook.pagure_ci_token,
'cause': pr_id,
'REPO': repo,
'BRANCH': branch
}
)
else:
LOG.warning('Un-supported CI type')
LOG.info('Ready for another')
def main():
''' Start the main async loop. '''
try:
loop = trollius.get_event_loop()
tasks = [
trollius.async(handle_messages()),
]
loop.run_until_complete(trollius.wait(tasks))
loop.run_forever()
except KeyboardInterrupt:
pass
except trollius.ConnectionResetError:
pass
LOG.info("End Connection")
loop.close()
LOG.info("End")
if __name__ == '__main__':
formatter = logging.Formatter(
"%(asctime)s %(levelname)s [%(module)s:%(lineno)d] %(message)s")
# setup console logging
LOG.setLevel(logging.DEBUG)
shellhandler = logging.StreamHandler()
shellhandler.setLevel(logging.DEBUG)
aslog = logging.getLogger("asyncio")
aslog.setLevel(logging.DEBUG)
aslog = logging.getLogger("trollius")
aslog.setLevel(logging.DEBUG)
shellhandler.setFormatter(formatter)
LOG.addHandler(shellhandler)
main()