/usr/share/pyshared/buildbot/status/master.py is in buildbot 0.8.6p1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
import os, urllib
from cPickle import load
from twisted.python import log
from twisted.persisted import styles
from twisted.internet import defer
from twisted.application import service
from zope.interface import implements
from buildbot import config, interfaces, util
from buildbot.util import bbcollections
from buildbot.util.eventual import eventually
from buildbot.changes import changes
from buildbot.status import buildset, builder, buildrequest
class Status(config.ReconfigurableServiceMixin, service.MultiService):
implements(interfaces.IStatus)
def __init__(self, master):
service.MultiService.__init__(self)
self.master = master
self.botmaster = master.botmaster
self.basedir = master.basedir
self.watchers = []
# No default limit to the log size
self.logMaxSize = None
self._builder_observers = bbcollections.KeyedSets()
self._buildreq_observers = bbcollections.KeyedSets()
self._buildset_finished_waiters = bbcollections.KeyedSets()
# service management
def startService(self):
# subscribe to the things we need to know about
self._buildset_completion_sub = \
self.master.subscribeToBuildsetCompletions(
self._buildsetCompletionCallback)
self._buildset_sub = \
self.master.subscribeToBuildsets(
self._buildsetCallback)
self._build_request_sub = \
self.master.subscribeToBuildRequests(
self._buildRequestCallback)
self._change_sub = \
self.master.subscribeToChanges(
self.changeAdded)
return service.MultiService.startService(self)
@defer.deferredGenerator
def reconfigService(self, new_config):
# remove the old listeners, then add the new
for sr in list(self):
wfd = defer.waitForDeferred(
defer.maybeDeferred(lambda :
sr.disownServiceParent()))
yield wfd
wfd.getResult()
sr.master = None
for sr in new_config.status:
sr.master = self.master
sr.setServiceParent(self)
# reconfig any newly-added change sources, as well as existing
wfd = defer.waitForDeferred(
config.ReconfigurableServiceMixin.reconfigService(self,
new_config))
yield wfd
wfd.getResult()
def stopService(self):
self._buildset_completion_sub.unsubscribe()
self._buildset_sub.unsubscribe()
self._build_request_sub.unsubscribe()
self._change_sub.unsubscribe()
return service.MultiService.stopService(self)
# clean shutdown
@property
def shuttingDown(self):
return self.botmaster.shuttingDown
def cleanShutdown(self):
return self.botmaster.cleanShutdown()
def cancelCleanShutdown(self):
return self.botmaster.cancelCleanShutdown()
# methods called by our clients
def getTitle(self):
return self.master.config.title
def getTitleURL(self):
return self.master.config.titleURL
def getBuildbotURL(self):
return self.master.config.buildbotURL
def getStatus(self):
# some listeners expect their .parent to be a BuildMaster object, and
# use this method to get the Status object. This is documented, so for
# now keep it working.
return self
def getMetrics(self):
return self.master.metrics
def getURLForBuild(self, builder_name, build_number):
prefix = self.getBuildbotURL()
return prefix + "builders/%s/builds/%d" % (
urllib.quote(builder_name, safe=''),
build_number)
def getURLForThing(self, thing):
prefix = self.getBuildbotURL()
if not prefix:
return None
if interfaces.IStatus.providedBy(thing):
return prefix
if interfaces.ISchedulerStatus.providedBy(thing):
pass
if interfaces.IBuilderStatus.providedBy(thing):
bldr = thing
return prefix + "builders/%s" % (
urllib.quote(bldr.getName(), safe=''),
)
if interfaces.IBuildStatus.providedBy(thing):
build = thing
bldr = build.getBuilder()
return self.getURLForBuild(bldr.getName(), build.getNumber())
if interfaces.IBuildStepStatus.providedBy(thing):
step = thing
build = step.getBuild()
bldr = build.getBuilder()
return prefix + "builders/%s/builds/%d/steps/%s" % (
urllib.quote(bldr.getName(), safe=''),
build.getNumber(),
urllib.quote(step.getName(), safe=''))
# IBuildSetStatus
# IBuildRequestStatus
# ISlaveStatus
# IStatusEvent
if interfaces.IStatusEvent.providedBy(thing):
# TODO: this is goofy, create IChange or something
if isinstance(thing, changes.Change):
change = thing
return "%schanges/%d" % (prefix, change.number)
if interfaces.IStatusLog.providedBy(thing):
loog = thing
step = loog.getStep()
build = step.getBuild()
bldr = build.getBuilder()
logs = step.getLogs()
for i in range(len(logs)):
if loog is logs[i]:
break
else:
return None
return prefix + "builders/%s/builds/%d/steps/%s/logs/%s" % (
urllib.quote(bldr.getName(), safe=''),
build.getNumber(),
urllib.quote(step.getName(), safe=''),
urllib.quote(loog.getName(), safe=''))
def getChangeSources(self):
return list(self.master.change_svc)
def getChange(self, number):
"""Get a Change object; returns a deferred"""
d = self.master.db.changes.getChange(number)
def chdict2change(chdict):
if not chdict:
return None
return changes.Change.fromChdict(self.master, chdict)
d.addCallback(chdict2change)
return d
def getSchedulers(self):
return self.master.allSchedulers()
def getBuilderNames(self, categories=None):
if categories == None:
return util.naturalSort(self.botmaster.builderNames) # don't let them break it
l = []
# respect addition order
for name in self.botmaster.builderNames:
bldr = self.botmaster.builders[name]
if bldr.config.category in categories:
l.append(name)
return util.naturalSort(l)
def getBuilder(self, name):
"""
@rtype: L{BuilderStatus}
"""
return self.botmaster.builders[name].builder_status
def getSlaveNames(self):
return self.botmaster.slaves.keys()
def getSlave(self, slavename):
return self.botmaster.slaves[slavename].slave_status
def getBuildSets(self):
d = self.master.db.buildsets.getBuildsets(complete=False)
def make_status_objects(bsdicts):
return [ buildset.BuildSetStatus(bsdict, self)
for bsdict in bsdicts ]
d.addCallback(make_status_objects)
return d
def generateFinishedBuilds(self, builders=[], branches=[],
num_builds=None, finished_before=None,
max_search=200):
def want_builder(bn):
if builders:
return bn in builders
return True
builder_names = [bn
for bn in self.getBuilderNames()
if want_builder(bn)]
# 'sources' is a list of generators, one for each Builder we're
# using. When the generator is exhausted, it is replaced in this list
# with None.
sources = []
for bn in builder_names:
b = self.getBuilder(bn)
g = b.generateFinishedBuilds(branches,
finished_before=finished_before,
max_search=max_search)
sources.append(g)
# next_build the next build from each source
next_build = [None] * len(sources)
def refill():
for i,g in enumerate(sources):
if next_build[i]:
# already filled
continue
if not g:
# already exhausted
continue
try:
next_build[i] = g.next()
except StopIteration:
next_build[i] = None
sources[i] = None
got = 0
while True:
refill()
# find the latest build among all the candidates
candidates = [(i, b, b.getTimes()[1])
for i,b in enumerate(next_build)
if b is not None]
candidates.sort(lambda x,y: cmp(x[2], y[2]))
if not candidates:
return
# and remove it from the list
i, build, finshed_time = candidates[-1]
next_build[i] = None
got += 1
yield build
if num_builds is not None:
if got >= num_builds:
return
def subscribe(self, target):
self.watchers.append(target)
for name in self.botmaster.builderNames:
self.announceNewBuilder(target, name, self.getBuilder(name))
def unsubscribe(self, target):
self.watchers.remove(target)
# methods called by upstream objects
def announceNewBuilder(self, target, name, builder_status):
t = target.builderAdded(name, builder_status)
if t:
builder_status.subscribe(t)
def builderAdded(self, name, basedir, category=None):
"""
@rtype: L{BuilderStatus}
"""
filename = os.path.join(self.basedir, basedir, "builder")
log.msg("trying to load status pickle from %s" % filename)
builder_status = None
try:
builder_status = load(open(filename, "rb"))
builder_status.master = self.master
# (bug #1068) if we need to upgrade, we probably need to rewrite
# this pickle, too. We determine this by looking at the list of
# Versioned objects that have been unpickled, and (after doUpgrade)
# checking to see if any of them set wasUpgraded. The Versioneds'
# upgradeToVersionNN methods all set this.
versioneds = styles.versionedsToUpgrade
styles.doUpgrade()
if True in [ hasattr(o, 'wasUpgraded') for o in versioneds.values() ]:
log.msg("re-writing upgraded builder pickle")
builder_status.saveYourself()
except IOError:
log.msg("no saved status pickle, creating a new one")
except:
log.msg("error while loading status pickle, creating a new one")
log.msg("error follows:")
log.err()
if not builder_status:
builder_status = builder.BuilderStatus(name, category, self.master)
builder_status.addPointEvent(["builder", "created"])
log.msg("added builder %s in category %s" % (name, category))
# an unpickled object might not have category set from before,
# so set it here to make sure
builder_status.master = self.master
builder_status.basedir = os.path.join(self.basedir, basedir)
builder_status.name = name # it might have been updated
builder_status.status = self
if not os.path.isdir(builder_status.basedir):
os.makedirs(builder_status.basedir)
builder_status.determineNextBuildNumber()
builder_status.setBigState("offline")
for t in self.watchers:
self.announceNewBuilder(t, name, builder_status)
return builder_status
def builderRemoved(self, name):
for t in self.watchers:
if hasattr(t, 'builderRemoved'):
t.builderRemoved(name)
def slaveConnected(self, name):
for t in self.watchers:
if hasattr(t, 'slaveConnected'):
t.slaveConnected(name)
def slaveDisconnected(self, name):
for t in self.watchers:
if hasattr(t, 'slaveDisconnected'):
t.slaveDisconnected(name)
def changeAdded(self, change):
for t in self.watchers:
if hasattr(t, 'changeAdded'):
t.changeAdded(change)
def asDict(self):
result = {}
# Constant
result['title'] = self.getTitle()
result['titleURL'] = self.getTitleURL()
result['buildbotURL'] = self.getBuildbotURL()
# TODO: self.getSchedulers()
# self.getChangeSources()
return result
def build_started(self, brid, buildername, build_status):
if brid in self._buildreq_observers:
for o in self._buildreq_observers[brid]:
eventually(o, build_status)
def _buildrequest_subscribe(self, brid, observer):
self._buildreq_observers.add(brid, observer)
def _buildrequest_unsubscribe(self, brid, observer):
self._buildreq_observers.discard(brid, observer)
def _buildset_waitUntilFinished(self, bsid):
d = defer.Deferred()
self._buildset_finished_waiters.add(bsid, d)
self._maybeBuildsetFinished(bsid)
return d
def _maybeBuildsetFinished(self, bsid):
# check bsid to see if it's successful or finished, and notify anyone
# who cares
if bsid not in self._buildset_finished_waiters:
return
d = self.master.db.buildsets.getBuildset(bsid)
def do_notifies(bsdict):
bss = buildset.BuildSetStatus(bsdict, self)
if bss.isFinished():
for d in self._buildset_finished_waiters.pop(bsid):
eventually(d.callback, bss)
d.addCallback(do_notifies)
d.addErrback(log.err, 'while notifying for buildset finishes')
def _builder_subscribe(self, buildername, watcher):
# should get requestSubmitted and requestCancelled
self._builder_observers.add(buildername, watcher)
def _builder_unsubscribe(self, buildername, watcher):
self._builder_observers.discard(buildername, watcher)
def _buildsetCallback(self, **kwargs):
bsid = kwargs['bsid']
d = self.master.db.buildsets.getBuildset(bsid)
def do_notifies(bsdict):
bss = buildset.BuildSetStatus(bsdict, self)
for t in self.watchers:
if hasattr(t, 'buildsetSubmitted'):
t.buildsetSubmitted(bss)
d.addCallback(do_notifies)
d.addErrback(log.err, 'while notifying buildsetSubmitted')
def _buildsetCompletionCallback(self, bsid, result):
self._maybeBuildsetFinished(bsid)
def _buildRequestCallback(self, notif):
buildername = notif['buildername']
if buildername in self._builder_observers:
brs = buildrequest.BuildRequestStatus(buildername,
notif['brid'], self)
for observer in self._builder_observers[buildername]:
if hasattr(observer, 'requestSubmitted'):
eventually(observer.requestSubmitted, brs)
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