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How to use set_group_user method in autotest

Best Python code snippet using autotest_python

service_helper.py

Source:service_helper.py

...47        group_info = grp.getgrgid(group)48    else:49        group_info = grp.getgrnam(group)50    return group_info[0], group_info[2]51def set_group_user(group=None, user=None):52    """53    Set the group and user id if gid or uid is defined.54    @param group: Change the group id the program is run under55    @param user: Change the user id the program is run under56    """57    if group:58        _, gid = get_group_name_id(group)59        os.setgid(gid)60        os.setegid(gid)61    if user:62        username, uid = get_user_name_id(user)63        # Set environment for programs that use those to find running user64        for name in ('LOGNAME', 'USER', 'LNAME', 'USERNAME'):65            os.environ[name] = username66        os.setuid(uid)67        os.seteuid(uid)68def main():69    parser = optparse.OptionParser()70    parser.allow_interspersed_args = False71    parser.add_option('-l', '--logfile', action='store',72                      default=None,73                      help='File to redirect stdout to')74    parser.add_option('-c', '--chdir', action='store',75                      default=None,76                      help='Change to dir before starting the process')77    parser.add_option('-s', '--start-service', action='store_true',78                      default=False,79                      help='Start service')80    parser.add_option('-k', '--stop-service', action='store_true',81                      default=False,82                      help='Stop service')83    parser.add_option('-p', '--pidfile', action='store',84                      default=None,85                      help='Pid file location (Required)')86    parser.add_option('-u', '--chuid', action='store',87                      default=None,88                      help='UID to run process as')89    parser.add_option('-g', '--chgid', action='store',90                      default=None,91                      help='GID to run process as')92    options, args = parser.parse_args()93    if not options.pidfile:94        print 'A pidfile must always be supplied'95        parser.print_help()96        sys.exit(1)97    set_group_user(group=options.chgid, user=options.chuid)98    if options.start_service:99        start_service(args, options.pidfile, options.logfile, options.chdir)100    elif options.stop_service:101        stop_service(options.pidfile)102    else:103        print 'Nothing to do, you must specify to start or stop a service'104        parser.print_help()105if __name__ == '__main__':...

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