def GetUpstartEnabled()

in Providers/Scripts/2.6x-2.7x/Scripts/nxService.py [0:0]

• 88 lines of code
• 33 McCabe index (conditional complexity)

def GetUpstartEnabled(sc):
    if os.path.isfile("/etc/init/" + sc.Name + ".conf"):
        start_on_exists = False
        start_on_is_enabled = False
        stop_on_exists = False
        stop_on_is_enabled = False
        file_lines, error = ReadFile("/etc/init/" + sc.Name + ".conf")
        if error is not None:
            Print(
                "Error reading:/etc/init/" + sc.Name + ".conf",
                file=sys.stderr)
            LG().Log('ERROR', "Error reading:/etc/init/" +
                     sc.Name + ".conf")
            return "Error"
        for full_line in file_lines.splitlines():
            # everything after a '#' character is a comment, so strip it off
            line = full_line.split("#")[0]
            if "start on" in line:
                start_on_exists = True
                if ("(" in line) or ("and" in line) or ("or" in line):
                    return "Complex"
                elif "start on runlevel [" in line:
                    runlevel = GetRunLevel()
                    specified_runlevel_digits = line.split("[")[1][:-1]
                    if str(runlevel) in specified_runlevel_digits:
                        start_on_is_enabled = True
                    else:
                        start_on_is_enabled = False
                    if "!" in specified_runlevel_digits:
                        start_on_is_enabled = not start_on_is_enabled
                else:
                    return "Complex"
            if "stop on" in line:
                stop_on_exists = True
                if ("(" in line) or ("and" in line) or ("or" in line):
                    return "Complex"
                elif "stop on runlevel [" in line:
                    runlevel = GetRunLevel()
                    specified_runlevel_digits = line.split("[")[1][:-1]
                    if str(runlevel) in specified_runlevel_digits:
                        stop_on_is_enabled = True
                    else:
                        stop_on_is_enabled = False
                    if "!" in specified_runlevel_digits:
                        stop_on_is_enabled = not stop_on_is_enabled
                else:
                    return "Complex"

        if not start_on_exists and not stop_on_exists:   # not upstart
            if os.path.islink('/etc/init.d/' + sc.Name) and \
                   os.readlink('/etc/init.d/' + sc.Name) \
                   == '/lib/init/upstart-job':
                # this is a 'converted' init script, check the default rc2.d
                # for smylink to conf file. if so its enabled.
                file_list = os.listdir('/etc/rc2.d')
                for f in file_list:
                    f = '/etc/rc2.d/' + f
                    if os.path.islink(f) and os.readlink(f) == \
                           "../init.d/" + sc.Name:
                        return True
                return False
            (process_stdout, process_stderr, retval) = Process(
                ['chkconfig', sc.Name, ''])  # try init style
            if retval is 0:
                if 'off' not in process_stdout:
                    return True
            return False
        if start_on_exists and start_on_is_enabled:
            if stop_on_exists and stop_on_is_enabled:
                Print("Error: Having trouble determining whether service " +
                      sc.Name + " is enabled or disabled.", file=sys.stderr)
                LG().Log('ERROR',
                         "Error: Having trouble determining whether service " +
                         sc.Name + " is enabled or disabled.")
                return "Complex"
            else:
                return True
        else:
            return False

        Print("Error: Unable to find line containing 'start on' in " +
              sc.Name + ".conf", file=sys.stderr)
        LG().Log('ERROR',
                 "Error: Unable to find line containing 'start on' in " +
                 sc.Name + ".conf")
        return False
    else:
        Print("Error: conf file does not exist for service named " +
              sc.Name, file=sys.stderr)
        LG().Log('ERROR',
                 "Error: conf file does not exist for service named " +
                 sc.Name)
        return False