zuul/zuul/trigger/zuultrigger.py

123 lines
4.7 KiB
Python

# Copyright 2012-2014 Hewlett-Packard Development Company, L.P.
# 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 logging
from zuul.model import TriggerEvent
class ZuulTrigger(object):
name = 'zuul'
log = logging.getLogger("zuul.ZuulTrigger")
def __init__(self, config, sched):
self.sched = sched
self.config = config
self._handle_parent_change_enqueued_events = False
self._handle_project_change_merged_events = False
def stop(self):
pass
def isMerged(self, change, head=None):
raise Exception("Zuul trigger does not support checking if "
"a change is merged.")
def canMerge(self, change, allow_needs):
raise Exception("Zuul trigger does not support checking if "
"a change can merge.")
def maintainCache(self, relevant):
return
def onChangeMerged(self, change):
# Called each time zuul merges a change
if self._handle_project_change_merged_events:
try:
self._createProjectChangeMergedEvents(change)
except Exception:
self.log.exception(
"Unable to create project-change-merged events for "
"%s" % (change,))
def onChangeEnqueued(self, change, pipeline):
# Called each time a change is enqueued in a pipeline
if self._handle_parent_change_enqueued_events:
try:
self._createParentChangeEnqueuedEvents(change, pipeline)
except Exception:
self.log.exception(
"Unable to create parent-change-enqueued events for "
"%s in %s" % (change, pipeline))
def _createProjectChangeMergedEvents(self, change):
changes = self.sched.triggers['gerrit'].getProjectOpenChanges(
change.project)
for open_change in changes:
self._createProjectChangeMergedEvent(open_change)
def _createProjectChangeMergedEvent(self, change):
event = TriggerEvent()
event.type = 'project-change-merged'
event.trigger_name = self.name
event.project_name = change.project.name
event.change_number = change.number
event.branch = change.branch
event.change_url = change.url
event.patch_number = change.patchset
event.refspec = change.refspec
self.sched.addEvent(event)
def _createParentChangeEnqueuedEvents(self, change, pipeline):
self.log.debug("Checking for changes needing %s:" % change)
if not hasattr(change, 'needed_by_changes'):
self.log.debug(" Changeish does not support dependencies")
return
for needs in change.needed_by_changes:
self._createParentChangeEnqueuedEvent(needs, pipeline)
def _createParentChangeEnqueuedEvent(self, change, pipeline):
event = TriggerEvent()
event.type = 'parent-change-enqueued'
event.trigger_name = self.name
event.pipeline_name = pipeline.name
event.project_name = change.project.name
event.change_number = change.number
event.branch = change.branch
event.change_url = change.url
event.patch_number = change.patchset
event.refspec = change.refspec
self.sched.addEvent(event)
def postConfig(self):
self._handle_parent_change_enqueued_events = False
self._handle_project_change_merged_events = False
for pipeline in self.sched.layout.pipelines.values():
for ef in pipeline.manager.event_filters:
if ef.trigger != self:
continue
if 'parent-change-enqueued' in ef._types:
self._handle_parent_change_enqueued_events = True
elif 'project-change-merged' in ef._types:
self._handle_project_change_merged_events = True
def getChange(self, number, patchset, refresh=False):
raise Exception("Zuul trigger does not support changes.")
def getGitUrl(self, project):
raise Exception("Zuul trigger does not support changes.")
def getGitwebUrl(self, project, sha=None):
raise Exception("Zuul trigger does not support changes.")