# -*- test-case-name: buildbot.test.test_run -*-
import os
import signal
import time
import warnings
import textwrap
from zope.interface import implements
from twisted.python import log,components
from twisted.python.failure import Failure
from twisted.internet import defer,reactor
from twisted.spread import pb
from twisted.cred import portal,checkers
from twisted.application import service,strports
from twisted.application.internet import TimerService
import buildbot
# sibling imports
from buildbot.util import now,safeTranslate
from buildbot.pbutil import NewCredPerspective
from buildbot.process.builder import Builder,IDLE
from buildbot.status.builder import Status,BuildSetStatus
from buildbot.changes.changes import Change
from buildbot.changes.manager import ChangeManager
from buildbot.buildslave import BuildSlave
from buildbot import interfaces,locks
from buildbot.process.properties import Properties
from buildbot.config import BuilderConfig
from buildbot.process.builder import BuilderControl
from buildbot.db.dbspec import DBSpec
from buildbot.db import connector,schema,exceptions
from buildbot.schedulers.manager import SchedulerManager
from buildbot.util.loop import DelegateLoop
########################################
class BotMaster(service.MultiService):
"""This is the master-side service which manages remote buildbot slaves.
It provides them with BuildSlaves, and distributes file change
notification messages to them.
"""
debug = 0
def __init__(self):
service.MultiService.__init__(self)
self.builders = {}
self.builderNames = []
# builders maps Builder names to instances of bb.p.builder.Builder,
# which is the master-side object that defines and controls a build.
# They are added by calling botmaster.addBuilder() from the startup
# code.
# self.slaves contains a ready BuildSlave instance for each
# potential buildslave, i.e. all the ones listed in the config file.
# If the slave is connected, self.slaves[slavename].slave will
# contain a RemoteReference to their Bot instance. If it is not
# connected, that attribute will hold None.
self.slaves = {} # maps slavename to BuildSlave
self.statusClientService = None
self.watchers = {}
# self.locks holds the real Lock instances
self.locks = {}
# self.mergeRequests is the callable override for merging build
# requests
self.mergeRequests = None
# self.prioritizeBuilders is the callable override for builder order
# traversal
self.prioritizeBuilders = None
self.loop = DelegateLoop(self._get_processors)
self.loop.setServiceParent(self)
def setMasterName(self, name, incarnation):
self.master_name = name
self.master_incarnation = incarnation
def _sortfunc(self, b1, b2):
t1 = b1.getOldestRequestTime()
t2 = b2.getOldestRequestTime()
# If t1 or t2 is None, then there are no build requests,
# so sort it at the end
if t1 is None:
return 1
if t2 is None:
return -1
return cmp(t1, t2)
def _sort_builders(self, parent, builders):
return sorted(builders, self._sortfunc)
def _get_processors(self):
builders = self.builders.values()
sorter = self.prioritizeBuilders or self._sort_builders
try:
builders = sorter(self.parent, builders)
except:
log.msg("Exception prioritizing builders")
log.err(Failure())
# leave them in the original order
return [b.run for b in builders]
def trigger_add_buildrequest(self, category, *brids):
# a buildrequest has been added or resubmitted
self.loop.trigger()
def triggerNewBuildCheck(self):
# called when a build finishes, or a slave attaches
self.loop.trigger()
# these four are convenience functions for testing
def waitUntilBuilderAttached(self, name):
b = self.builders[name]
#if b.slaves:
# return defer.succeed(None)
d = defer.Deferred()
b.watchers['attach'].append(d)
return d
def waitUntilBuilderDetached(self, name):
b = self.builders.get(name)
if not b or not b.slaves:
return defer.succeed(None)
d = defer.Deferred()
b.watchers['detach'].append(d)
return d
def waitUntilBuilderFullyDetached(self, name):
b = self.builders.get(name)
# TODO: this looks too deeply inside the Builder object
if not b or not b.slaves:
return defer.succeed(None)
d = defer.Deferred()
b.watchers['detach_all'].append(d)
return d
def waitUntilBuilderIdle(self, name):
b = self.builders[name]
# TODO: this looks way too deeply inside the Builder object
for sb in b.slaves:
if sb.state != IDLE:
d = defer.Deferred()
b.watchers['idle'].append(d)
return d
return defer.succeed(None)
def loadConfig_Slaves(self, new_slaves):
old_slaves = [c for c in list(self)
if interfaces.IBuildSlave.providedBy(c)]
# identify added/removed slaves. For each slave we construct a tuple
# of (name, password, class), and we consider the slave to be already
# present if the tuples match. (we include the class to make sure
# that BuildSlave(name,pw) is different than
# SubclassOfBuildSlave(name,pw) ). If the password or class has
# changed, we will remove the old version of the slave and replace it
# with a new one. If anything else has changed, we just update the
# old BuildSlave instance in place. If the name has changed, of
# course, it looks exactly the same as deleting one slave and adding
# an unrelated one.
old_t = {}
for s in old_slaves:
old_t[(s.slavename, s.password, s.__class__)] = s
new_t = {}
for s in new_slaves:
new_t[(s.slavename, s.password, s.__class__)] = s
removed = [old_t[t]
for t in old_t
if t not in new_t]
added = [new_t[t]
for t in new_t
if t not in old_t]
remaining_t = [t
for t in new_t
if t in old_t]
# removeSlave will hang up on the old bot
dl = []
for s in removed:
dl.append(self.removeSlave(s))
d = defer.DeferredList(dl, fireOnOneErrback=True)
def _add(res):
for s in added:
self.addSlave(s)
for t in remaining_t:
old_t[t].update(new_t[t])
d.addCallback(_add)
return d
def addSlave(self, s):
s.setServiceParent(self)
s.setBotmaster(self)
self.slaves[s.slavename] = s
def removeSlave(self, s):
# TODO: technically, disownServiceParent could return a Deferred
s.disownServiceParent()
d = self.slaves[s.slavename].disconnect()
del self.slaves[s.slavename]
return d
def slaveLost(self, bot):
for name, b in self.builders.items():
if bot.slavename in b.slavenames:
b.detached(bot)
def getBuildersForSlave(self, slavename):
return [b
for b in self.builders.values()
if slavename in b.slavenames]
def getBuildernames(self):
return self.builderNames
def getBuilders(self):
allBuilders = [self.builders[name] for name in self.builderNames]
return allBuilders
def setBuilders(self, builders):
# TODO: remove self.builders and just use the Service hierarchy to
# keep track of active builders. We could keep self.builderNames to
# retain ordering, if it seems important.
self.builders = {}
self.builderNames = []
d = defer.DeferredList([b.disownServiceParent() for b in list(self)
if isinstance(b, Builder)],
fireOnOneErrback=True)
def _add(ign):
log.msg("setBuilders._add: %s %s" % (list(self), builders))
for b in builders:
for slavename in b.slavenames:
# this is actually validated earlier
assert slavename in self.slaves
self.builders[b.name] = b
self.builderNames.append(b.name)
b.setBotmaster(self)
b.setServiceParent(self)
d.addCallback(_add)
d.addCallback(lambda ign: self._updateAllSlaves())
return d
def _updateAllSlaves(self):
"""Notify all buildslaves about changes in their Builders."""
dl = []
for s in self.slaves.values():
d = s.updateSlave()
d.addErrback(log.err)
dl.append(d)
return defer.DeferredList(dl)
def shouldMergeRequests(self, builder, req1, req2):
"""Determine whether two BuildRequests should be merged for
the given builder.
"""
if self.mergeRequests is not None:
return self.mergeRequests(builder, req1, req2)
return req1.canBeMergedWith(req2)
def getPerspective(self, slavename):
return self.slaves[slavename]
def shutdownSlaves(self):
# TODO: make this into a bot method rather than a builder method
for b in self.slaves.values():
b.shutdownSlave()
def stopService(self):
for b in self.builders.values():
b.builder_status.addPointEvent(["master", "shutdown"])
b.builder_status.saveYourself()
return service.MultiService.stopService(self)
def getLockByID(self, lockid):
"""Convert a Lock identifier into an actual Lock instance.
@param lockid: a locks.MasterLock or locks.SlaveLock instance
@return: a locks.RealMasterLock or locks.RealSlaveLock instance
"""
assert isinstance(lockid, (locks.MasterLock, locks.SlaveLock))
if not lockid in self.locks:
self.locks[lockid] = lockid.lockClass(lockid)
# if the master.cfg file has changed maxCount= on the lock, the next
# time a build is started, they'll get a new RealLock instance. Note
# that this requires that MasterLock and SlaveLock (marker) instances
# be hashable and that they should compare properly.
return self.locks[lockid]
########################################
class DebugPerspective(NewCredPerspective):
def attached(self, mind):
return self
def detached(self, mind):
pass
def perspective_pingBuilder(self, buildername):
c = interfaces.IControl(self.master)
bc = c.getBuilder(buildername)
bc.ping()
def perspective_fakeChange(self, file, revision=None, who="fakeUser",
branch=None, repository="",
project=""):
change = Change(who, [file], "some fake comments\n",
branch=branch, revision=revision,
repository=repository, project=project)
c = interfaces.IControl(self.master)
c.addChange(change)
def perspective_setCurrentState(self, buildername, state):
builder = self.botmaster.builders.get(buildername)
if not builder: return
if state == "offline":
builder.statusbag.currentlyOffline()
if state == "idle":
builder.statusbag.currentlyIdle()
if state == "waiting":
builder.statusbag.currentlyWaiting(now()+10)
if state == "building":
builder.statusbag.currentlyBuilding(None)
def perspective_reload(self):
print "doing reload of the config file"
self.master.loadTheConfigFile()
def perspective_pokeIRC(self):
print "saying something on IRC"
from buildbot.status import words
for s in self.master:
if isinstance(s, words.IRC):
bot = s.f
for channel in bot.channels:
print " channel", channel
bot.p.msg(channel, "Ow, quit it")
def perspective_print(self, msg):
print "debug", msg
class Dispatcher:
implements(portal.IRealm)
def __init__(self):
self.names = {}
def register(self, name, afactory):
self.names[name] = afactory
def unregister(self, name):
del self.names[name]
def requestAvatar(self, avatarID, mind, interface):
assert interface == pb.IPerspective
afactory = self.names.get(avatarID)
if afactory:
p = afactory.getPerspective()
elif avatarID == "change":
raise ValueError("no PBChangeSource installed")
elif avatarID == "debug":
p = DebugPerspective()
p.master = self.master
p.botmaster = self.botmaster
elif avatarID == "statusClient":
p = self.statusClientService.getPerspective()
else:
# it must be one of the buildslaves: no other names will make it
# past the checker
p = self.botmaster.getPerspective(avatarID)
if not p:
raise ValueError("no perspective for '%s'" % avatarID)
d = defer.maybeDeferred(p.attached, mind)
d.addCallback(self._avatarAttached, mind)
return d
def _avatarAttached(self, p, mind):
return (pb.IPerspective, p, lambda p=p,mind=mind: p.detached(mind))
########################################
class _Unset: pass # marker
class LogRotation:
'''holds log rotation parameters (for WebStatus)'''
def __init__(self):
self.rotateLength = 1 * 1000 * 1000
self.maxRotatedFiles = 10
class BuildMaster(service.MultiService):
debug = 0
manhole = None
debugPassword = None
projectName = "(unspecified)"
projectURL = None
buildbotURL = None
change_svc = None
properties = Properties()
def __init__(self, basedir, configFileName="master.cfg", db_spec=None):
service.MultiService.__init__(self)
self.setName("buildmaster")
self.basedir = basedir
self.configFileName = configFileName
# the dispatcher is the realm in which all inbound connections are
# looked up: slave builders, change notifications, status clients, and
# the debug port
dispatcher = Dispatcher()
dispatcher.master = self
self.dispatcher = dispatcher
self.checker = checkers.InMemoryUsernamePasswordDatabaseDontUse()
# the checker starts with no user/passwd pairs: they are added later
p = portal.Portal(dispatcher)
p.registerChecker(self.checker)
self.slaveFactory = pb.PBServerFactory(p)
self.slaveFactory.unsafeTracebacks = True # let them see exceptions
self.slavePortnum = None
self.slavePort = None
self.change_svc = ChangeManager()
self.change_svc.setServiceParent(self)
self.dispatcher.changemaster = self.change_svc
try:
hostname = os.uname()[1] # only on unix
except AttributeError:
hostname = "?"
self.master_name = "%s:%s" % (hostname, os.path.abspath(self.basedir))
self.master_incarnation = "pid%d-boot%d" % (os.getpid(), time.time())
self.botmaster = BotMaster()
self.botmaster.setName("botmaster")
self.botmaster.setMasterName(self.master_name, self.master_incarnation)
self.botmaster.setServiceParent(self)
self.dispatcher.botmaster = self.botmaster
self.status = Status(self.botmaster, self.basedir)
self.statusTargets = []
self.db = None
self.db_url = None
self.db_poll_interval = _Unset
if db_spec:
self.loadDatabase(db_spec)
self.readConfig = False
# create log_rotation object and set default parameters (used by WebStatus)
self.log_rotation = LogRotation()
def startService(self):
service.MultiService.startService(self)
if not self.readConfig:
# TODO: consider catching exceptions during this call to
# loadTheConfigFile and bailing (reactor.stop) if it fails,
# since without a config file we can't do anything except reload
# the config file, and it would be nice for the user to discover
# this quickly.
self.loadTheConfigFile()
if hasattr(signal, "SIGHUP"):
signal.signal(signal.SIGHUP, self._handleSIGHUP)
for b in self.botmaster.builders.values():
b.builder_status.addPointEvent(["master", "started"])
b.builder_status.saveYourself()
def _handleSIGHUP(self, *args):
reactor.callLater(0, self.loadTheConfigFile)
def getStatus(self):
"""
@rtype: L{buildbot.status.builder.Status}
"""
return self.status
def loadTheConfigFile(self, configFile=None):
if not configFile:
configFile = os.path.join(self.basedir, self.configFileName)
log.msg("Creating BuildMaster -- buildbot.version: %s" % buildbot.version)
log.msg("loading configuration from %s" % configFile)
configFile = os.path.expanduser(configFile)
try:
f = open(configFile, "r")
except IOError, e:
log.msg("unable to open config file '%s'" % configFile)
log.msg("leaving old configuration in place")
log.err(e)
return
try:
d = self.loadConfig(f)
except:
log.msg("error during loadConfig")
log.err()
log.msg("The new config file is unusable, so I'll ignore it.")
log.msg("I will keep using the previous config file instead.")
return # sorry unit tests
f.close()
return d # for unit tests
def loadConfig(self, f, check_synchronously_only=False):
"""Internal function to load a specific configuration file. Any
errors in the file will be signalled by raising an exception.
If check_synchronously_only=True, I will return (with None)
synchronously, after checking the config file for sanity, or raise an
exception. I may also emit some DeprecationWarnings.
If check_synchronously_only=False, I will return a Deferred that
fires (with None) when the configuration changes have been completed.
This may involve a round-trip to each buildslave that was involved."""
localDict = {'basedir': os.path.expanduser(self.basedir)}
try:
exec f in localDict
except:
log.msg("error while parsing config file")
raise
try:
config = localDict['BuildmasterConfig']
except KeyError:
log.err("missing config dictionary")
log.err("config file must define BuildmasterConfig")
raise
known_keys = ("slaves", "change_source",
"schedulers", "builders", "mergeRequests",
"slavePortnum", "debugPassword", "logCompressionLimit",
"manhole", "status", "projectName", "projectURL",
"buildbotURL", "properties", "prioritizeBuilders",
"eventHorizon", "buildCacheSize", "logHorizon", "buildHorizon",
"changeHorizon", "logMaxSize", "logMaxTailSize",
"logCompressionMethod", "db_url", "multiMaster",
"db_poll_interval",
)
for k in config.keys():
if k not in known_keys:
log.msg("unknown key '%s' defined in config dictionary" % k)
try:
# required
schedulers = config['schedulers']
builders = config['builders']
slavePortnum = config['slavePortnum']
#slaves = config['slaves']
#change_source = config['change_source']
# optional
db_url = config.get("db_url", "sqlite:///state.sqlite")
db_poll_interval = config.get("db_poll_interval", None)
debugPassword = config.get('debugPassword')
manhole = config.get('manhole')
status = config.get('status', [])
projectName = config.get('projectName')
projectURL = config.get('projectURL')
buildbotURL = config.get('buildbotURL')
properties = config.get('properties', {})
buildCacheSize = config.get('buildCacheSize', None)
eventHorizon = config.get('eventHorizon', 50)
logHorizon = config.get('logHorizon', None)
buildHorizon = config.get('buildHorizon', None)
logCompressionLimit = config.get('logCompressionLimit', 4*1024)
if logCompressionLimit is not None and not \
isinstance(logCompressionLimit, int):
raise ValueError("logCompressionLimit needs to be bool or int")
logCompressionMethod = config.get('logCompressionMethod', "bz2")
if logCompressionMethod not in ('bz2', 'gz'):
raise ValueError("logCompressionMethod needs to be 'bz2', or 'gz'")
logMaxSize = config.get('logMaxSize')
if logMaxSize is not None and not \
isinstance(logMaxSize, int):
raise ValueError("logMaxSize needs to be None or int")
logMaxTailSize = config.get('logMaxTailSize')
if logMaxTailSize is not None and not \
isinstance(logMaxTailSize, int):
raise ValueError("logMaxTailSize needs to be None or int")
mergeRequests = config.get('mergeRequests')
if mergeRequests is not None and not callable(mergeRequests):
raise ValueError("mergeRequests must be a callable")
prioritizeBuilders = config.get('prioritizeBuilders')
if prioritizeBuilders is not None and not callable(prioritizeBuilders):
raise ValueError("prioritizeBuilders must be callable")
changeHorizon = config.get("changeHorizon")
if changeHorizon is not None and not isinstance(changeHorizon, int):
raise ValueError("changeHorizon needs to be an int")
multiMaster = config.get("multiMaster", False)
except KeyError:
log.msg("config dictionary is missing a required parameter")
log.msg("leaving old configuration in place")
raise
if "sources" in config:
m = ("c['sources'] is deprecated as of 0.7.6 and is no longer "
"accepted in >= 0.8.0 . Please use c['change_source'] instead.")
raise KeyError(m)
if "bots" in config:
m = ("c['bots'] is deprecated as of 0.7.6 and is no longer "
"accepted in >= 0.8.0 . Please use c['slaves'] instead.")
raise KeyError(m)
slaves = config.get('slaves', [])
if "slaves" not in config:
log.msg("config dictionary must have a 'slaves' key")
log.msg("leaving old configuration in place")
raise KeyError("must have a 'slaves' key")
if changeHorizon is not None:
self.change_svc.changeHorizon = changeHorizon
change_source = config.get('change_source', [])
if isinstance(change_source, (list, tuple)):
change_sources = change_source
else:
change_sources = [change_source]
# do some validation first
for s in slaves:
assert interfaces.IBuildSlave.providedBy(s)
if s.slavename in ("debug", "change", "status"):
raise KeyError(
"reserved name '%s' used for a bot" % s.slavename)
if config.has_key('interlocks'):
raise KeyError("c['interlocks'] is no longer accepted")
assert self.db_url is None or db_url == self.db_url, \
"Cannot change db_url after master has started"
assert db_poll_interval is None or isinstance(db_poll_interval, int), \
"db_poll_interval must be an integer: seconds between polls"
assert self.db_poll_interval is _Unset or db_poll_interval == self.db_poll_interval, \
"Cannot change db_poll_interval after master has started"
assert isinstance(change_sources, (list, tuple))
for s in change_sources:
assert interfaces.IChangeSource(s, None)
# this assertion catches c['schedulers'] = Scheduler(), since
# Schedulers are service.MultiServices and thus iterable.
errmsg = "c['schedulers'] must be a list of Scheduler instances"
assert isinstance(schedulers, (list, tuple)), errmsg
for s in schedulers:
assert interfaces.IScheduler(s, None), errmsg
assert isinstance(status, (list, tuple))
for s in status:
assert interfaces.IStatusReceiver(s, None)
slavenames = [s.slavename for s in slaves]
buildernames = []
dirnames = []
# convert builders from objects to config dictionaries
builders_dicts = []
for b in builders:
if isinstance(b, BuilderConfig):
builders_dicts.append(b.getConfigDict())
elif type(b) is dict:
builders_dicts.append(b)
else:
raise ValueError("builder %s is not a BuilderConfig object (or a dict)" % b)
builders = builders_dicts
for b in builders:
if b.has_key('slavename') and b['slavename'] not in slavenames:
raise ValueError("builder %s uses undefined slave %s" \
% (b['name'], b['slavename']))
for n in b.get('slavenames', []):
if n not in slavenames:
raise ValueError("builder %s uses undefined slave %s" \
% (b['name'], n))
if b['name'] in buildernames:
raise ValueError("duplicate builder name %s"
% b['name'])
buildernames.append(b['name'])
# sanity check name (BuilderConfig does this too)
if b['name'].startswith("_"):
errmsg = ("builder names must not start with an "
"underscore: " + b['name'])
log.err(errmsg)
raise ValueError(errmsg)
# Fix the dictionnary with default values, in case this wasn't
# specified with a BuilderConfig object (which sets the same defaults)
b.setdefault('builddir', safeTranslate(b['name']))
b.setdefault('slavebuilddir', b['builddir'])
b.setdefault('buildHorizon', buildHorizon)
b.setdefault('logHorizon', logHorizon)
b.setdefault('eventHorizon', eventHorizon)
if b['builddir'] in dirnames:
raise ValueError("builder %s reuses builddir %s"
% (b['name'], b['builddir']))
dirnames.append(b['builddir'])
unscheduled_buildernames = buildernames[:]
schedulernames = []
for s in schedulers:
for b in s.listBuilderNames():
# Skip checks for builders in multimaster mode
if not multiMaster:
assert b in buildernames, \
"%s uses unknown builder %s" % (s, b)
if b in unscheduled_buildernames:
unscheduled_buildernames.remove(b)
if s.name in schedulernames:
msg = ("Schedulers must have unique names, but "
"'%s' was a duplicate" % (s.name,))
raise ValueError(msg)
schedulernames.append(s.name)
# Skip the checks for builders in multimaster mode
if not multiMaster and unscheduled_buildernames:
log.msg("Warning: some Builders have no Schedulers to drive them:"
" %s" % (unscheduled_buildernames,))
# assert that all locks used by the Builds and their Steps are
# uniquely named.
lock_dict = {}
for b in builders:
for l in b.get('locks', []):
if isinstance(l, locks.LockAccess): # User specified access to the lock
l = l.lockid
if lock_dict.has_key(l.name):
if lock_dict[l.name] is not l:
raise ValueError("Two different locks (%s and %s) "
"share the name %s"
% (l, lock_dict[l.name], l.name))
else:
lock_dict[l.name] = l
# TODO: this will break with any BuildFactory that doesn't use a
# .steps list, but I think the verification step is more
# important.
for s in b['factory'].steps:
for l in s[1].get('locks', []):
if isinstance(l, locks.LockAccess): # User specified access to the lock
l = l.lockid
if lock_dict.has_key(l.name):
if lock_dict[l.name] is not l:
raise ValueError("Two different locks (%s and %s)"
" share the name %s"
% (l, lock_dict[l.name], l.name))
else:
lock_dict[l.name] = l
if not isinstance(properties, dict):
raise ValueError("c['properties'] must be a dictionary")
# slavePortnum supposed to be a strports specification
if type(slavePortnum) is int:
slavePortnum = "tcp:%d" % slavePortnum
if check_synchronously_only:
return
# now we're committed to implementing the new configuration, so do
# it atomically
# TODO: actually, this is spread across a couple of Deferreds, so it
# really isn't atomic.
d = defer.succeed(None)
self.projectName = projectName
self.projectURL = projectURL
self.buildbotURL = buildbotURL
self.properties = Properties()
self.properties.update(properties, self.configFileName)
self.status.logCompressionLimit = logCompressionLimit
self.status.logCompressionMethod = logCompressionMethod
self.status.logMaxSize = logMaxSize
self.status.logMaxTailSize = logMaxTailSize
# Update any of our existing builders with the current log parameters.
# This is required so that the new value is picked up after a
# reconfig.
for builder in self.botmaster.builders.values():
builder.builder_status.setLogCompressionLimit(logCompressionLimit)
builder.builder_status.setLogCompressionMethod(logCompressionMethod)
builder.builder_status.setLogMaxSize(logMaxSize)
builder.builder_status.setLogMaxTailSize(logMaxTailSize)
if mergeRequests is not None:
self.botmaster.mergeRequests = mergeRequests
if prioritizeBuilders is not None:
self.botmaster.prioritizeBuilders = prioritizeBuilders
self.buildCacheSize = buildCacheSize
self.eventHorizon = eventHorizon
self.logHorizon = logHorizon
self.buildHorizon = buildHorizon
# Set up the database
d.addCallback(lambda res:
self.loadConfig_Database(db_url, db_poll_interval))
# self.slaves: Disconnect any that were attached and removed from the
# list. Update self.checker with the new list of passwords, including
# debug/change/status.
d.addCallback(lambda res: self.loadConfig_Slaves(slaves))
# self.debugPassword
if debugPassword:
self.checker.addUser("debug", debugPassword)
self.debugPassword = debugPassword
# self.manhole
if manhole != self.manhole:
# changing
if self.manhole:
# disownServiceParent may return a Deferred
d.addCallback(lambda res: self.manhole.disownServiceParent())
def _remove(res):
self.manhole = None
return res
d.addCallback(_remove)
if manhole:
def _add(res):
self.manhole = manhole
manhole.setServiceParent(self)
d.addCallback(_add)
# add/remove self.botmaster.builders to match builders. The
# botmaster will handle startup/shutdown issues.
d.addCallback(lambda res: self.loadConfig_Builders(builders))
d.addCallback(lambda res: self.loadConfig_status(status))
# Schedulers are added after Builders in case they start right away
d.addCallback(lambda res:
self.scheduler_manager.updateSchedulers(schedulers))
# and Sources go after Schedulers for the same reason
d.addCallback(lambda res: self.loadConfig_Sources(change_sources))
# self.slavePort
if self.slavePortnum != slavePortnum:
if self.slavePort:
def closeSlavePort(res):
d1 = self.slavePort.disownServiceParent()
self.slavePort = None
return d1
d.addCallback(closeSlavePort)
if slavePortnum is not None:
def openSlavePort(res):
self.slavePort = strports.service(slavePortnum,
self.slaveFactory)
self.slavePort.setServiceParent(self)
d.addCallback(openSlavePort)
log.msg("BuildMaster listening on port %s" % slavePortnum)
self.slavePortnum = slavePortnum
log.msg("configuration update started")
def _done(res):
self.readConfig = True
log.msg("configuration update complete")
d.addCallback(_done)
d.addCallback(lambda res: self.botmaster.triggerNewBuildCheck())
d.addErrback(log.err)
return d
def loadDatabase(self, db_spec, db_poll_interval=None):
if self.db:
return
# make sure it's up to date
sm = schema.DBSchemaManager(db_spec, self.basedir)
if not sm.is_current():
raise exceptions.DatabaseNotReadyError, textwrap.dedent("""
The Buildmaster database needs to be upgraded before this version of buildbot
can run. Use the following command-line
buildbot upgrade-master path/to/master
to upgrade the database, and try starting the buildmaster again. You may want
to make a backup of your buildmaster before doing so.""")
self.db = connector.DBConnector(db_spec)
self.db.start()
self.botmaster.db = self.db
self.status.setDB(self.db)
self.db.subscribe_to("add-buildrequest",
self.botmaster.trigger_add_buildrequest)
sm = SchedulerManager(self, self.db, self.change_svc)
self.db.subscribe_to("add-change", sm.trigger_add_change)
self.db.subscribe_to("modify-buildset", sm.trigger_modify_buildset)
self.scheduler_manager = sm
sm.setServiceParent(self)
# Set db_poll_interval (perhaps to 30 seconds) if you are using
# multiple buildmasters that share a common database, such that the
# masters need to discover what each other is doing by polling the
# database. TODO: this will be replaced by the DBNotificationServer.
if db_poll_interval:
# it'd be nice if TimerService let us set now=False
t1 = TimerService(db_poll_interval, sm.trigger)
t1.setServiceParent(self)
t2 = TimerService(db_poll_interval, self.botmaster.loop.trigger)
t2.setServiceParent(self)
# adding schedulers (like when loadConfig happens) will trigger the
# scheduler loop at least once, which we need to jump-start things
# like Periodic.
def loadConfig_Database(self, db_url, db_poll_interval):
self.db_url = db_url
self.db_poll_interval = db_poll_interval
db_spec = DBSpec.from_url(db_url, self.basedir)
self.loadDatabase(db_spec, db_poll_interval)
def loadConfig_Slaves(self, new_slaves):
# set up the Checker with the names and passwords of all valid slaves
self.checker.users = {} # violates abstraction, oh well
for s in new_slaves:
self.checker.addUser(s.slavename, s.password)
self.checker.addUser("change", "changepw")
# let the BotMaster take care of the rest
return self.botmaster.loadConfig_Slaves(new_slaves)
def loadConfig_Sources(self, sources):
if not sources:
log.msg("warning: no ChangeSources specified in c['change_source']")
# shut down any that were removed, start any that were added
deleted_sources = [s for s in self.change_svc if s not in sources]
added_sources = [s for s in sources if s not in self.change_svc]
log.msg("adding %d new changesources, removing %d" %
(len(added_sources), len(deleted_sources)))
dl = [self.change_svc.removeSource(s) for s in deleted_sources]
def addNewOnes(res):
[self.change_svc.addSource(s) for s in added_sources]
d = defer.DeferredList(dl, fireOnOneErrback=1, consumeErrors=0)
d.addCallback(addNewOnes)
return d
def allSchedulers(self):
return list(self.scheduler_manager)
def loadConfig_Builders(self, newBuilderData):
somethingChanged = False
newList = {}
newBuilderNames = []
allBuilders = self.botmaster.builders.copy()
for data in newBuilderData:
name = data['name']
newList[name] = data
newBuilderNames.append(name)
# identify all that were removed
for oldname in self.botmaster.getBuildernames():
if oldname not in newList:
log.msg("removing old builder %s" % oldname)
del allBuilders[oldname]
somethingChanged = True
# announce the change
self.status.builderRemoved(oldname)
# everything in newList is either unchanged, changed, or new
for name, data in newList.items():
old = self.botmaster.builders.get(name)
basedir = data['builddir']
#name, slave, builddir, factory = data
if not old: # new
# category added after 0.6.2
category = data.get('category', None)
log.msg("adding new builder %s for category %s" %
(name, category))
statusbag = self.status.builderAdded(name, basedir, category)
builder = Builder(data, statusbag)
allBuilders[name] = builder
somethingChanged = True
elif old.compareToSetup(data):
# changed: try to minimize the disruption and only modify the
# pieces that really changed
diffs = old.compareToSetup(data)
log.msg("updating builder %s: %s" % (name, "\n".join(diffs)))
statusbag = old.builder_status
statusbag.saveYourself() # seems like a good idea
# TODO: if the basedir was changed, we probably need to make
# a new statusbag
new_builder = Builder(data, statusbag)
new_builder.consumeTheSoulOfYourPredecessor(old)
# that migrates any retained slavebuilders too
# point out that the builder was updated. On the Waterfall,
# this will appear just after any currently-running builds.
statusbag.addPointEvent(["config", "updated"])
allBuilders[name] = new_builder
somethingChanged = True
else:
# unchanged: leave it alone
log.msg("builder %s is unchanged" % name)
pass
# regardless of whether anything changed, get each builder status
# to update its config
for builder in allBuilders.values():
builder.builder_status.reconfigFromBuildmaster(self)
# and then tell the botmaster if anything's changed
if somethingChanged:
sortedAllBuilders = [allBuilders[name] for name in newBuilderNames]
d = self.botmaster.setBuilders(sortedAllBuilders)
return d
return None
def loadConfig_status(self, status):
dl = []
# remove old ones
for s in self.statusTargets[:]:
if not s in status:
log.msg("removing IStatusReceiver", s)
d = defer.maybeDeferred(s.disownServiceParent)
dl.append(d)
self.statusTargets.remove(s)
# after those are finished going away, add new ones
def addNewOnes(res):
for s in status:
if not s in self.statusTargets:
log.msg("adding IStatusReceiver", s)
s.setServiceParent(self)
self.statusTargets.append(s)
d = defer.DeferredList(dl, fireOnOneErrback=1)
d.addCallback(addNewOnes)
return d
def addChange(self, change):
self.db.addChangeToDatabase(change)
self.status.changeAdded(change)
def triggerSlaveManager(self):
self.botmaster.triggerNewBuildCheck()
def submitBuildSet(self, builderNames, ss, reason, props=None, now=False):
# determine the set of Builders to use
for name in builderNames:
b = self.botmaster.builders.get(name)
if not b:
raise KeyError("no such builder named '%s'" % name)
if now and not b.slaves:
raise interfaces.NoSlaveError
if props is None:
props = Properties()
bsid = self.db.runInteractionNow(self._txn_submitBuildSet,
builderNames, ss, reason, props)
return BuildSetStatus(bsid, self.status, self.db)
def _txn_submitBuildSet(self, t, builderNames, ss, reason, props):
ssid = self.db.get_sourcestampid(ss, t)
bsid = self.db.create_buildset(ssid, reason, props, builderNames, t)
return bsid
class Control:
implements(interfaces.IControl)
def __init__(self, master):
self.master = master
def addChange(self, change):
self.master.addChange(change)
def submitBuildSet(self, builderNames, ss, reason, props=None, now=False):
return self.master.submitBuildSet(builderNames, ss, reason, props, now)
def getBuilder(self, name):
b = self.master.botmaster.builders[name]
return BuilderControl(b, self)
components.registerAdapter(Control, BuildMaster, interfaces.IControl)
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