#!/usr/bin/python

"""
Wrapper for cobbler's remote syslog watching daemon.

Copyright 2006, Red Hat, Inc
Michael DeHaan <mdehaan@redhat.com>

This software may be freely redistributed under the terms of the GNU
general public license.

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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""

import sys
import os
import cobbler.cobblerd as app
import logging
import cobbler.utils as utils

logger = logging.getLogger("cobbler.cobblerd")
logger.setLevel(logging.DEBUG)
ch = logging.FileHandler("/var/log/cobbler/cobblerd.log")
ch.setLevel(logging.DEBUG)
formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
ch.setFormatter(formatter)
logger.addHandler(ch)

if __name__ == "__main__":

    #############################################

    # daemonizing code:  http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66012
    logger.debug("started")
    try: 
        pid = os.fork() 
        if pid > 0:
            # exit first parent
            sys.exit(0) 
    except OSError, e: 
        print >>sys.stderr, "fork #1 failed: %d (%s)" % (e.errno, e.strerror) 
        utils.log_exc(logger)
        sys.exit(1)

    # decouple from parent environment
    os.chdir("/") 
    os.setsid() 
    os.umask(0) 

    # do second fork
    try: 
        pid = os.fork() 
        if pid > 0:
            # print "Daemon PID %d" % pid 
            sys.exit(0) 
    except OSError, e: 
        print >>sys.stderr, "fork #2 failed: %d (%s)" % (e.errno, e.strerror) 
        utils.log_exc(logger)
        sys.exit(1) 

    #################

    try:
        app.core(logger=logger)
    except:
        utils.log_exc(logger)