mtda-systemd-helper

#!/usr/bin/env python3
# ---------------------------------------------------------------------------
# Command Line Interface for MTDA
# ---------------------------------------------------------------------------
#
# This software is a part of MTDA.
# Copyright (C) 2024 Siemens Digital Industries Software
#
# ---------------------------------------------------------------------------
# SPDX-License-Identifier: MIT
# ---------------------------------------------------------------------------

# System imports
import getopt
import os
import sys

# Local imports
from mtda.main import MultiTenantDeviceAccess
import mtda.constants as CONSTS


class Application:

    def __init__(self):
        self.agent = None

    def print_help(self):
        return None

    def print_version(self):
        return None

    def main(self):
        config = None

        options, stuff = getopt.getopt(
            sys.argv[1:], 'c:hv',
            ['config', 'help', 'version'])
        for opt, arg in options:
            if opt in ('-c', '--config'):
                config = arg
            if opt in ('-h', '--help'):
                self.print_help()
                sys.exit(0)
            if opt in ('-v', '--version'):
                self.print_version()
                sys.exit(0)

        if config is not None and os.path.exists(config) is False:
            print(f'could not find config file: {config}', file=sys.stderr)
            return 1

        self.agent = MultiTenantDeviceAccess()
        self.agent.load_config(None, True, config)
        try:
            self.agent.systemd_configure()
        except PermissionError:
            print('could not reconfigure systemd: '
                  'permission denied!', file=sys.stderr)
            return 1
        return 0


if __name__ == '__main__':
    app = Application()
    sys.exit(app.main())