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#!/usr/bin/python
# fedpkg-autobuilder:
# Daemon which runs fedpkg-pull-build-chain continually.
#
# Licensed under the new-BSD license (http://www.opensource.org/licenses/bsd-license.php)
# Copyright (C) 2010 Red Hat, Inc.
# Written by Colin Walters <walters@verbum.org>
import getopt
import os
import sys
import subprocess
import shutil
import logging
import xml.dom.minidom
import ConfigParser
import dbus, dbus.service
import glib
import gobject
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
PULLBUILD_SERVICE = 'org.fedoraproject.FedpkgPullBuildChain'
PULLBUILD_OBJPATH = '/org/fedoraproject/FedpkgPullBuildChain'
# First ensure we have a bus
if not 'DBUS_SESSION_BUS_ADDRESS' in os.environ:
print "FATAL: Must have DBUS_SESSION_BUS_ADDRESS in environment"
sys.exit(1)
def check_call_verbose(*args, **kwargs):
print "Running: %r" % (args[0], )
subprocess.check_call(*args, **kwargs)
STATE_BURNING = 'burning'
STATE_SUCCESS = 'success'
STATUS_ACTIVE = 'active'
STATUS_IDLE = 'idle'
class ReleaseBuilder(gobject.GObject):
__gsignals__ = {
'changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, [])
}
def __init__(self, name, config):
gobject.GObject.__init__(self)
self.name = name
self._config = config
self.status = STATUS_IDLE
self.statusdata = {}
self._resultdir = config.get(name, 'resultdir')
self._release = name
self._builder_bus_name = '%s.%s' % (PULLBUILD_SERVICE, self._release.replace('-', '_'))
try:
self._architectures = self._get_option('architectures').split()
except ConfigParser.NoOptionError, e:
self._architectures = None
modules = self._get_option('modules')
self._modules = modules.split()
self._pullbuild_pid = None
self._pullbuild_proxy = None
bus = dbus.SessionBus()
self._bus_proxy = dbus.Interface(bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus'),
'org.freedesktop.DBus')
self._bus_proxy.connect_to_signal('NameOwnerChanged', self.__on_name_owner_changed)
def _get_option(self, key):
try:
return self._config.get(self.name, key)
except ConfigParser.NoOptionError, e:
return self._config.get('build', key)
def __on_name_owner_changed(self, name, prev_owner, new_owner):
if name != self._builder_bus_name:
return
if new_owner == '':
del self._pullbuild_proxy
self._pullbuild_proxy = None
return
logging.debug("NameOwnerChanged %r %r %r" % (name, prev_owner, new_owner))
bus = dbus.SessionBus()
proxy = bus.get_object(PULLBUILD_SERVICE, PULLBUILD_OBJPATH)
self._pullbuild_proxy = dbus.Interface(proxy, PULLBUILD_SERVICE)
self._pullbuild_proxy.connect_to_signal('StateChanged', self.__on_builder_state_changed)
def __on_builder_state_changed(self, state, statedata):
logging.info("builder state=%s statedata=%r" % (state, statedata))
self.statusdata = dict(statedata)
self.emit('changed')
def __on_builder_exited(self, pid, condition):
logging.info("builder pid=%d exited, condition=%r", pid, condition)
self._pullbuild_pid = None
self.status = STATUS_IDLE
self.statusdata = {}
def start(self, force):
if self._pullbuild_pid is not None:
return
args = ['fedpkg-pull-build-chain', '--resultdir=' + self._resultdir, '--release=' + self._release]
if force:
args.append('--force')
if self._architectures is not None:
for arch in self._architectures:
args.append('--arch=' + arch)
args.extend(self._modules)
(self._pullbuild_pid, _, _, _) = glib.spawn_async(args, flags=glib.SPAWN_DO_NOT_REAP_CHILD|glib.SPAWN_SEARCH_PATH)
logging.info("started builder, pid=%d" % (self._pullbuild_pid, ))
self.status = STATUS_ACTIVE
self.statusdata = {}
self.emit('changed')
glib.child_watch_add(self._pullbuild_pid, self.__on_builder_exited)
class Autobuilder(dbus.service.Object):
def __init__(self, config):
dbus.service.Object.__init__(self, dbus.SessionBus(), '/org/fedoraproject/FedpkgAutoBuilder')
self._config = config
self._releases = config.get('build', 'releases')
self._builders = []
for release in self._releases.split():
builder = ReleaseBuilder(release, config)
self._builders.append(builder)
@dbus.service.method(dbus_interface='org.fedoraproject.FedpkgAutoBuilder',
in_signature='', out_signature='a{sv}')
def GetState(self):
result = {}
for builder in self._builders:
if builder.status == STATUS_ACTIVE:
status_str = 'active'
else:
status_str = 'idle'
result[builder.name] = {'status': status_str }
return result
@dbus.service.method(dbus_interface='org.fedoraproject.FedpkgAutoBuilder',
in_signature='b', out_signature='s')
def Build(self, force):
for builder in self._builders:
builder.start(force)
return repr(self.GetState())
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], '', ['conf='])
except Getopt.GetoptError, e:
print unicode(e)
print "Usage: fedpkg-autobuilder --conf=file.conf"
conf = None
for o, a in opts:
if o in ('-c', '--conf'):
conf = a
if not conf:
print "Must specify --conf=file.conf"
sys.exit(1)
logging.basicConfig(level=logging.INFO)
parser = ConfigParser.SafeConfigParser()
parser.read(conf)
build_time = int(parser.get('autobuild', 'time'))
f = open('session-address', 'w')
f.write(os.environ['DBUS_SESSION_BUS_ADDRESS'])
f.close()
bus = dbus.SessionBus()
bus_name = dbus.service.BusName('org.fedoraproject.FedpkgAutoBuilder', bus=bus)
loop = gobject.MainLoop()
builder = Autobuilder(parser)
builder.Build(False)
glib.timeout_add(build_time * 1000, lambda: builder.Build(False) or True)
loop.run()
if __name__ == '__main__':
main()
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