Mini Shell

#!/usr/libexec/platform-python

# Client code for Update Agent
# Copyright (c) 1999--2018 Red Hat, Inc.  Distributed under GPLv2.
#
# Author: Adrian Likins <alikins@redhat.com
#

import os

__rhnexport__ = [
    'reboot']

from up2date_client import up2dateLog
from up2date_client import config

cfg = config.initUp2dateConfig()
log = up2dateLog.initLog()

# action version we understand
ACTION_VERSION = 2

def reboot(test=None, cache_only=None):
    if cache_only:
        return (0, "no-ops for caching", {})

    if cfg['noReboot']:
        return (38, "Up2date is configured not to allow reboots", {})

    pid = os.fork()
    data = {'version': '0'}
    reboot_message = 'Reboot of system "' + os.uname()[1] + '" initiated by Spacewalk reboot action.'
    if not pid:
        try:
            if test:
                os.execvp("/sbin/shutdown", ['/sbin/shutdown','-r','-k', '+3', reboot_message])
            else:
                os.execvp("/sbin/shutdown", ['/sbin/shutdown','-r', '+3', reboot_message])
        except OSError:
            data['name'] = "reboot.reboot.shutdown_failed"
            return (34, "Could not execute /sbin/shutdown", data)

    log.log_me("Rebooting the system now")
    # no point in waiting around

    return (0, "Reboot sucessfully started", data)


def main():
    print(reboot(test=1))

if __name__ == "__main__":
    main()