zuul/zuul/driver/timer/__init__.py

95 lines
3.2 KiB
Python

# Copyright 2012 Hewlett-Packard Development Company, L.P.
# Copyright 2013 OpenStack Foundation
# Copyright 2016 Red Hat, Inc.
#
# 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
from apscheduler.schedulers.background import BackgroundScheduler
from apscheduler.triggers.cron import CronTrigger
from zuul.model import TriggerEvent
import timertrigger
class TimerDriver(object):
name = 'timer'
log = logging.getLogger("zuul.Timer")
def __init__(self):
self.apsched = BackgroundScheduler()
self.apsched.start()
self.tenant_jobs = {}
def registerScheduler(self, scheduler):
self.sched = scheduler
def reconfigure(self, tenant):
self._removeJobs(tenant)
self._addJobs(tenant)
def _removeJobs(self, tenant):
jobs = self.tenant_jobs.get(tenant.name, [])
for job in jobs:
job.remove()
def _addJobs(self, tenant):
jobs = []
self.tenant_jobs[tenant.name] = jobs
for pipeline in tenant.layout.pipelines:
for ef in pipeline.manager.event_filters:
if not isinstance(ef.trigger, timertrigger.TimerTrigger):
continue
for timespec in ef.timespecs:
parts = timespec.split()
if len(parts) < 5 or len(parts) > 6:
self.log.error(
"Unable to parse time value '%s' "
"defined in pipeline %s" % (
timespec,
pipeline.name))
continue
minute, hour, dom, month, dow = parts[:5]
if len(parts) > 5:
second = parts[5]
else:
second = None
trigger = CronTrigger(day=dom, day_of_week=dow, hour=hour,
minute=minute, second=second)
job = self.apsched.add_job(
self._onTrigger, trigger=trigger,
args=(tenant, pipeline.name, timespec,))
jobs.append(job)
def _onTrigger(self, tenant, pipeline_name, timespec):
for project in tenant.layout.projects.values():
event = TriggerEvent()
event.type = 'timer'
event.timespec = timespec
event.forced_pipeline = pipeline_name
event.project_name = project.name
self.log.debug("Adding event %s" % event)
self.sched.addEvent(event)
def stop(self):
self.apsched.shutdown()
def getTrigger(self, connection_name):
return timertrigger.TimerTrigger(self)
def getTriggerSchema(self):
return timertrigger.getSchema()