119 lines
3.9 KiB
Python
119 lines
3.9 KiB
Python
# Copyright 2014 OpenStack Foundation
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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 json
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import logging
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import threading
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import traceback
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import gear
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import merger
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class MergeServer(object):
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log = logging.getLogger("zuul.MergeServer")
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def __init__(self, config):
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self.config = config
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self.zuul_url = config.get('merger', 'zuul_url')
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if self.config.has_option('merger', 'git_dir'):
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merge_root = self.config.get('merger', 'git_dir')
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else:
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merge_root = '/var/lib/zuul/git'
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if self.config.has_option('merger', 'git_user_email'):
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merge_email = self.config.get('merger', 'git_user_email')
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else:
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merge_email = None
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if self.config.has_option('merger', 'git_user_name'):
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merge_name = self.config.get('merger', 'git_user_name')
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else:
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merge_name = None
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if self.config.has_option('gerrit', 'sshkey'):
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sshkey = self.config.get('gerrit', 'sshkey')
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else:
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sshkey = None
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self.merger = merger.Merger(merge_root, sshkey,
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merge_email, merge_name)
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def start(self):
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self._running = True
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server = self.config.get('gearman', 'server')
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if self.config.has_option('gearman', 'port'):
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port = self.config.get('gearman', 'port')
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else:
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port = 4730
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self.worker = gear.Worker('Zuul Merger')
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self.worker.addServer(server, port)
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self.log.debug("Waiting for server")
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self.worker.waitForServer()
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self.log.debug("Registering")
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self.register()
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self.log.debug("Starting worker")
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self.thread = threading.Thread(target=self.run)
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self.thread.daemon = True
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self.thread.start()
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def register(self):
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self.worker.registerFunction("merger:merge")
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self.worker.registerFunction("merger:update")
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def stop(self):
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self.log.debug("Stopping")
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self._running = False
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self.worker.shutdown()
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self.log.debug("Stopped")
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def join(self):
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self.thread.join()
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def run(self):
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self.log.debug("Starting merge listener")
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while self._running:
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try:
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job = self.worker.getJob()
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try:
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if job.name == 'merger:merge':
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self.merge(job)
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elif job.name == 'merger:update':
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self.update(job)
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else:
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self.log.error("Unable to handle job %s" % job.name)
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job.sendWorkFail()
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except Exception:
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self.log.exception("Exception while running job")
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job.sendWorkException(traceback.format_exc())
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except Exception:
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self.log.exception("Exception while getting job")
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def merge(self, job):
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args = json.loads(job.arguments)
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commit = self.merger.mergeChanges(args['items'])
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result = dict(merged=(commit is not None),
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commit=commit,
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zuul_url=self.zuul_url)
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job.sendWorkComplete(json.dumps(result))
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def update(self, job):
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args = json.loads(job.arguments)
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self.merger.updateRepo(args['project'], args['url'])
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result = dict(updated=True,
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zuul_url=self.zuul_url)
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job.sendWorkComplete(json.dumps(result))
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