# ***** 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 Mozilla-specific Buildbot steps.
#
# The Initial Developer of the Original Code is
# Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2009
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Brian Warner <warner@lothar.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 *****
from twisted.internet import defer
from twisted.python import log
from buildbot.util import loop
from buildbot.util import collections
from buildbot.util.eventual import eventually
class SchedulerManager(loop.MultiServiceLoop):
def __init__(self, master, db, change_svc):
loop.MultiServiceLoop.__init__(self)
self.master = master
self.db = db
self.change_svc = change_svc
self.upstream_subscribers = collections.defaultdict(list)
def updateSchedulers(self, newschedulers):
"""Add and start any Scheduler that isn't already a child of ours.
Stop and remove any that are no longer in the list. Make sure each
one has a schedulerid in the database."""
# TODO: this won't tolerate reentrance very well
new_names = set()
added = set()
removed = set()
for s in newschedulers:
new_names.add(s.name)
try:
old = self.getServiceNamed(s.name)
except KeyError:
old = None
if old:
if old.compareToOther(s):
removed.add(old)
added.add(s)
else:
pass # unchanged
else:
added.add(s)
for old in list(self):
if old.name not in new_names:
removed.add(old)
#if removed or added:
# # notify Downstream schedulers to potentially pick up
# # new schedulers now that we have removed and added some
# def updateDownstreams(res):
# log.msg("notifying downstream schedulers of changes")
# for s in newschedulers:
# if interfaces.IDownstreamScheduler.providedBy(s):
# s.checkUpstreamScheduler()
# d.addCallback(updateDownstreams)
log.msg("removing %d old schedulers, adding %d new ones"
% (len(removed), len(added)))
dl = [defer.maybeDeferred(s.disownServiceParent) for s in removed]
d = defer.gatherResults(dl)
d.addCallback(lambda ign: self.db.addSchedulers(added))
def _attach(ign):
for s in added:
s.setServiceParent(self)
self.upstream_subscribers = collections.defaultdict(list)
for s in list(self):
if s.upstream_name:
self.upstream_subscribers[s.upstream_name].append(s)
eventually(self.trigger)
d.addCallback(_attach)
d.addErrback(log.err)
return d
def publish_buildset(self, upstream_name, bsid, t):
if upstream_name in self.upstream_subscribers:
for s in self.upstream_subscribers[upstream_name]:
s.buildSetSubmitted(bsid, t)
def trigger_add_change(self, category, changenumber):
self.trigger()
def trigger_modify_buildset(self, category, *bsids):
# TODO: this could just run the schedulers that have subscribed to
# scheduler_upstream_buildsets, or even just the ones that subscribed
# to hear about the specific buildsetid
self.trigger()
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