cmlenz@13: # -*- coding: iso8859-1 -*-
cmlenz@13: #
cmlenz@13: # Copyright (C) 2005 Christopher Lenz <cmlenz@gmx.de>
cmlenz@13: #
cmlenz@13: # Bitten is free software; you can redistribute it and/or
cmlenz@13: # modify it under the terms of the GNU General Public License as
cmlenz@13: # published by the Free Software Foundation; either version 2 of the
cmlenz@13: # License, or (at your option) any later version.
cmlenz@13: #
cmlenz@13: # Trac is distributed in the hope that it will be useful,
cmlenz@13: # but WITHOUT ANY WARRANTY; without even the implied warranty of
cmlenz@13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
cmlenz@13: # General Public License for more details.
cmlenz@13: #
cmlenz@13: # You should have received a copy of the GNU General Public License
cmlenz@13: # along with this program; if not, write to the Free Software
cmlenz@13: # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
cmlenz@13: #
cmlenz@13: # Author: Christopher Lenz <cmlenz@gmx.de>
cmlenz@13: 
cmlenz@15: import logging
cmlenz@13: import os
cmlenz@13: import sys
cmlenz@42: import tempfile
cmlenz@13: import time
cmlenz@13: 
cmlenz@19: from bitten import __version__ as VERSION
cmlenz@29: from bitten.util import beep, xmlio
cmlenz@13: 
cmlenz@13: 
cmlenz@13: class Slave(beep.Initiator):
cmlenz@13: 
cmlenz@13:     def greeting_received(self, profiles):
cmlenz@19:         if OrchestrationProfileHandler.URI not in profiles:
cmlenz@15:             logging.error('Peer does not support Bitten profile')
cmlenz@15:             raise beep.TerminateSession, 'Peer does not support Bitten profile'
cmlenz@29:         self.channels[0].profile.send_start([OrchestrationProfileHandler])
cmlenz@13: 
cmlenz@14: 
cmlenz@19: class OrchestrationProfileHandler(beep.ProfileHandler):
cmlenz@19:     """Handler for communication on the Bitten build orchestration profile from
cmlenz@19:     the perspective of the build slave.
cmlenz@13:     """
cmlenz@19:     URI = 'http://bitten.cmlenz.net/beep/orchestration'
cmlenz@13: 
cmlenz@29:     def handle_connect(self, init_elem=None):
cmlenz@13:         """Register with the build master."""
cmlenz@13:         def handle_reply(cmd, msgno, msg):
cmlenz@15:             if cmd == 'ERR':
cmlenz@13:                 if msg.get_content_type() == beep.BEEP_XML:
cmlenz@29:                     elem = xmlio.parse(msg.get_payload())
cmlenz@13:                     if elem.tagname == 'error':
cmlenz@13:                         raise beep.TerminateSession, \
cmlenz@29:                               '%s (%d)' % (elem.gettext(), int(elem.code))
cmlenz@13:                 raise beep.TerminateSession, 'Registration failed!'
cmlenz@15:             logging.info('Registration successful')
cmlenz@29: 
cmlenz@29:         sysname, nodename, release, version, machine = os.uname()
cmlenz@29:         logging.info('Registering with build master as %s', nodename)
cmlenz@29:         xml = xmlio.Element('register', name=nodename)[
cmlenz@29:             xmlio.Element('platform')[machine],
cmlenz@29:             xmlio.Element('os', family=os.name, version=release)[sysname]
cmlenz@29:         ]
cmlenz@29:         self.channel.send_msg(beep.MIMEMessage(xml), handle_reply)
cmlenz@13: 
cmlenz@13:     def handle_msg(self, msgno, msg):
cmlenz@43:         if msg.get_content_type() == 'application/tar':
cmlenz@42:             logging.info('Received snapshot')
cmlenz@42:             workdir = tempfile.mkdtemp(prefix='bitten')
cmlenz@42:             archive_name = msg.get('Content-Disposition', 'snapshot.tar.gz')
cmlenz@42:             archive_path = os.path.join(workdir, archive_name)
cmlenz@42:             file(archive_path, 'wb').write(msg.get_payload())
cmlenz@42:             logging.info('Stored snapshot archive at %s', archive_path)
cmlenz@42: 
cmlenz@42:             # TODO: Spawn the build process
cmlenz@42: 
cmlenz@42:             xml = xmlio.Element('ok')
cmlenz@42:             self.channel.send_rpy(msgno, beep.MIMEMessage(xml))
cmlenz@42:             logging.info('Sent <ok/> in reply to build request')
cmlenz@42: 
cmlenz@42:         else:
cmlenz@42:             xml = xmlio.Element('error', code=500)['Sorry, what?']
cmlenz@42:             self.channel.send_err(msgno, beep.MIMEMessage(xml))
cmlenz@13: 
cmlenz@13: 
cmlenz@31: def main():
cmlenz@19:     from optparse import OptionParser
cmlenz@19: 
cmlenz@19:     parser = OptionParser(usage='usage: %prog [options] host [port]',
cmlenz@19:                           version='%%prog %s' % VERSION)
cmlenz@19:     parser.add_option('--debug', action='store_const', dest='loglevel',
cmlenz@19:                       const=logging.DEBUG, help='enable debugging output')
cmlenz@19:     parser.add_option('-v', '--verbose', action='store_const', dest='loglevel',
cmlenz@19:                       const=logging.INFO, help='print as much as possible')
cmlenz@19:     parser.add_option('-q', '--quiet', action='store_const', dest='loglevel',
cmlenz@19:                       const=logging.ERROR, help='print as little as possible')
cmlenz@19:     parser.set_defaults(loglevel=logging.WARNING)
cmlenz@19:     options, args = parser.parse_args()
cmlenz@19: 
cmlenz@13:     if len(args) < 1:
cmlenz@19:         parser.error('incorrect number of arguments')
cmlenz@13:     host = args[0]
cmlenz@13:     if len(args) > 1:
cmlenz@18:         try:
cmlenz@18:             port = int(args[1])
cmlenz@19:             assert (1 <= port <= 65535), 'port number out of range'
cmlenz@19:         except AssertionError, ValueError:
cmlenz@19:             parser.error('port must be an integer in the range 1-65535')
cmlenz@13:     else:
cmlenz@13:         port = 7633
cmlenz@13: 
cmlenz@19:     logging.getLogger().setLevel(options.loglevel)
cmlenz@13: 
cmlenz@13:     slave = Slave(host, port)
cmlenz@34:     try:
cmlenz@34:         slave.run()
cmlenz@34:     except KeyboardInterrupt:
cmlenz@34:         slave.quit()
cmlenz@31: 
cmlenz@31: if __name__ == '__main__':
cmlenz@33:     main()