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status.py
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status.py
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# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (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.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is l10n test automation.
#
# The Initial Developer of the Original Code is
# Mozilla Foundation
# Portions created by the Initial Developer are Copyright (C) 2008
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Axel Hecht <l10n@mozilla.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
'''Status plugin to be used in buildbot masters serving the l10n dashboard.
'''
import os
from buildbot.status.base import StatusReceiverMultiService, StatusReceiver
from buildbot.scheduler import BaseScheduler
from twisted.python import log
from collections import defaultdict
# no imports of bb2mbdb code here, needs to be done after setting
# settings.py in os.environ in setupBridge
'''Buildbot StatusReceiver for bb2mbdb
The main entry point for buildbot status notifications are a
- fake scheduler to get all changes, and a
- StatusReceiver to get all builder.
Both are set up by calling into
setupBridge()
so that you can pass in a single settings.py, and a BuildMasterConfig.
'''
# Notes on transaction handling:
# There are two patterns for the transaction handling in the status
# plugin below. Firstly, for methods that simply update the db, the
# handlers are decorated with @transation.commit_on_success. For
# handlers that attach new handlers, the decoration is
# @transition.commit_manually, and transaction.commit() is called after
# the child db objects is got, and before the child listener is created.
def setupBridge(master, settings, config):
'''Setup the bridget between buildbot and the database.
This is also the closure in which all things happen that depend
on the given settings.
'''
# allow settings to be none for tests
if settings is not None:
os.environ['DJANGO_SETTINGS_MODULE'] = settings
import bb2mbdb.utils
reload(bb2mbdb.utils)
import mbdb.models
reload(mbdb.models)
from bb2mbdb.utils import modelForSource, modelForChange, modelForLog, \
timeHelper
from mbdb.models import Master, Slave, Builder, BuildRequest, Build, \
SourceStamp, NumberedChange
from django.db import transaction
try:
# hack around the lack of @transaction.commit_manually
transaction.enter_transaction_management()
transaction.managed(True)
dbm, new_master = Master.objects.get_or_create(name=master)
transaction.commit()
except:
transaction.rollback()
raise
finally:
transaction.leave_transaction_management()
class Scheduler(BaseScheduler):
@transaction.commit_on_success
def addChange(self, change):
dbchange = modelForChange(dbm, change)
log.msg('ADDED CHANGE to DB, %d' % dbchange.number)
def listBuilderNames(self):
# Sadly, we need this. Buildbot is going to complain that we
# don't build. What does he know.
return []
if 'schedulers' not in config:
config['schedulers'] = []
config['schedulers'].insert(0, Scheduler('bb2mbdb'))
class StepReceiver(StatusReceiver):
'''Build- and StatusReceiver helper objects to receive all
events for a particular step.
'''
def __init__(self, dbstep, basedir):
self.step = dbstep
self.basedir = basedir
@transaction.commit_on_success
def stepTextChanged(self, build, step, text):
self.step.text = text
self.step.save()
@transaction.commit_on_success
def stepText2Changed(self, build, step, text2):
self.step.text2 = text2
self.step.save()
@transaction.commit_on_success
def logStarted(self, build, step, log):
self.log = modelForLog(self.step, log, self.basedir)
def logChunk(self, build, step, log, channel, text):
pass
@transaction.commit_on_success
def logFinished(self, build, step, log):
self.log.isFinished = True
self.log.save()
pass
def stepETAUpdate(self, build, step, ETA, expectations):
'''TODO: ETA support.
'''
pass
class BuildReceiver(StatusReceiver):
'''StatusReceiver helper object to receive all events
for a particular build.
Caches the database model object.
'''
def __init__(self, dbbuild, basedir):
self.build = dbbuild
self.basedir = basedir
self.latestStep = self.latestDbStep = None
@transaction.commit_manually
def stepStarted(self, build, step):
self.latestStep = step
self.latestDbStep = self.build.steps.create(name = step.getName(),
starttime = timeHelper(step.getTimes()[0]),
text = step.getText(),
text2 = step.text2)
transaction.commit()
return StepReceiver(self.latestDbStep, self.basedir)
@transaction.commit_on_success
def stepFinished(self, build, step, results):
assert step == self.latestStep, "We lost a step somewhere"
try:
self.latestStep = None
self.latestDbStep.endtime = timeHelper(step.getTimes()[1])
# only the first is the result, the second is text2, ignore that.
self.latestDbStep.result = results[0]
self.latestDbStep.text = step.getText()
self.latestDbStep.text2 = step.text2
self.latestDbStep.save()
self.latestDbStep = None
except Exception, e:
log.msg(str(e))
pass
def buildETAUpdate(self, build, ETA):
'''TODO: ETA support.
'''
pass
class MyStatusReceiver(StatusReceiverMultiService):
'''StatusReceiver for buildbot to db bridge.
'''
requestsForBuild = defaultdict(list)
def setServiceParent(self, parent):
StatusReceiverMultiService.setServiceParent(self, parent)
self.basedir = None
self.setup()
def setup(self):
log.msg("mbdb subscribing")
status = self.parent.getStatus()
self.basedir = status.basedir
status.subscribe(self)
@transaction.commit_on_success
def builderAdded(self, builderName, builder):
log.msg("adding %s to mbdb" % builderName)
try:
dbbuilder = Builder.objects.get(master=dbm, name = builderName)
except Builder.DoesNotExist:
dbbuilder = Builder.objects.create(master = dbm,
name = builderName)
dbbuilder.bigState = builder.getState()[0]
if builder.category:
dbbuilder.category = builder.category
dbbuilder.save()
log.msg("added %s to mbdb" % builderName)
return self
@transaction.commit_manually
def requestSubmitted(self, request):
b, created = dbm.builders.get_or_create(name = request.getBuilderName())
ss = modelForSource(dbm, request.source)
req = BuildRequest.objects.create(builder = b,
submitTime = timeHelper(request.getSubmitTime()),
sourcestamp = ss)
transaction.commit()
def addBuild(build):
dbbuild = b.builds.get(buildnumber=build.getNumber())
dbbuild.requests.add(req)
dbbuild.save()
request.subscribe(addBuild)
@transaction.commit_on_success
def builderChangedState(self, builderName, state):
log.msg("%s changed state to %s" % (builderName, state))
dbbuilder = Builder.objects.get(master=dbm, name = builderName)
dbbuilder.bigState = state
dbbuilder.save()
@transaction.commit_manually
def buildStarted(self, builderName, build):
log.msg("build started on %s" % builderName)
builder = Builder.objects.get(master=dbm, name = builderName)
slave, newslave = Slave.objects.get_or_create(name = build.getSlavename())
ss = modelForSource(dbm, build.getSourceStamp())
dbbuild, created = \
builder.builds.get_or_create(buildnumber = build.getNumber(),
slave = slave,
starttime = timeHelper(build.getTimes()[0]),
reason = build.getReason(),
sourcestamp = ss)
if not created:
log.msg("%s build %d not created, endtime is %s" %
(builderName, build.getNumber(), dbbuild.endtime))
log.msg("not watch this build, to make sure")
return
for key, value, source in build.getProperties().asList():
dbbuild.setProperty(key, value, source)
dbbuild.save()
transaction.commit()
return BuildReceiver(dbbuild, self.basedir)
@transaction.commit_on_success
def buildFinished(self, builderName, build, results):
log.msg("finished build on %s with %s" % (builderName, str(results)))
dbbuild = Build.objects.get(builder__name = builderName,
buildnumber = build.getNumber())
dbbuild.endtime = timeHelper(build.getTimes()[1])
dbbuild.result = results
for key, value, source in build.getProperties().asList():
dbbuild.setProperty(key, value, source)
dbbuild.save()
pass
def builderRemoved(self, builderName):
log.msg("removing %s to mbdb" % builderName)
# nothing to do here, afaict.
pass
if 'status' not in config:
config['status'] = []
config['status'].insert(0, MyStatusReceiver())
log.msg("Done setting up Bridge")