The Gatekeeper, or a project gating system
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
#
# 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 threading
import logging
from zuul.lib import gerrit
from zuul.model import TriggerEvent
class GerritEventConnector(threading.Thread):
"""Move events from Gerrit to the scheduler."""
log = logging.getLogger("zuul.GerritEventConnector")
def __init__(self, gerrit, sched):
super(GerritEventConnector, self).__init__()
self.gerrit = gerrit
self.sched = sched
def _handleEvent(self):
data = self.gerrit.getEvent()
event = TriggerEvent()
event.type = data.get('type')
change = data.get('change')
if change:
event.project_name = change.get('project')
event.branch = change.get('branch')
event.change_number = change.get('number')
patchset = data.get('patchSet')
if patchset:
event.patch_number = patchset.get('number')
event.approvals = data.get('approvals')
self.sched.addEvent(event)
def run(self):
while True:
try:
self._handleEvent()
except:
self.log.exception("Exception moving Gerrit event:")
class Gerrit(object):
log = logging.getLogger("zuul.Gerrit")
def __init__(self, config, sched):
self.sched = sched
server = config.get('gerrit', 'server')
user = config.get('gerrit', 'user')
if config.has_option('gerrit', 'sshkey'):
sshkey = config.get('gerrit', 'sshkey')
else:
sshkey = None
self.gerrit = gerrit.Gerrit(server, user, sshkey)
self.gerrit.startWatching()
self.gerrit_connector = GerritEventConnector(
self.gerrit, sched)
self.gerrit_connector.start()
def report(self, change, message, action):
self.log.debug("Report change %s, action %s, message: %s" %
(change, action, message))
changeid = '%s,%s' % (change.number, change.patchset)
return self.gerrit.review(change.project.name, changeid,
message, action)
def isMerged(self, change):
self.log.debug("Checking if change %s is merged", change)
data = self.gerrit.query(change.number)
if not data:
return False
status = data.get('status')
if not status:
return False
self.log.debug("Change %s status: %s" % (change, status))
if status == 'MERGED' or status == 'SUBMITTED':
return True