The Gatekeeper, or a project gating system
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# Copyright 2013 OpenStack Foundation
#
# 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 json
import logging
import time
import gear
class RPCFailure(Exception):
pass
class RPCClient(object):
log = logging.getLogger("zuul.RPCClient")
def __init__(self, server, port):
self.log.debug("Connecting to gearman at %s:%s" % (server, port))
self.gearman = gear.Client()
self.gearman.addServer(server, port)
self.log.debug("Waiting for gearman")
self.gearman.waitForServer()
def submitJob(self, name, data):
self.log.debug("Submitting job %s with data %s" % (name, data))
job = gear.Job(name,
json.dumps(data),
unique=str(time.time()))
self.gearman.submitJob(job)
self.log.debug("Waiting for job completion")
while not job.complete:
time.sleep(0.1)
if job.exception:
raise RPCFailure(job.exception)
self.log.debug("Job complete, success: %s" % (not job.failure))
return (not job.failure)
def enqueue(self, pipeline, project, trigger, change, patchset):
data = {'pipeline': pipeline,
'project': project,
'trigger': trigger,
'change': change,
'patchset': patchset,
}
return self.submitJob('zuul:enqueue', data)
def shutdown(self):
self.gearman.shutdown()