source: ogCli-Git/ogcli @ f88bcf7

#!/usr/bin/env python3

# Copyright (C) 2020-2021 Soleta Networks <info@soleta.eu>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the
# Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

from inspect import ismethod, getmembers

from cli.cli import OgCLI
import argparse
import json
import sys

OG_CLI_CFG_PATH="/opt/opengnsys/etc/ogcli.json"

class CLI():
        def __init__(self):
                try:
                        with open(OG_CLI_CFG_PATH, 'r') as json_file:
                                self.cfg = json.load(json_file)
                except json.JSONDecodeError:
                        sys.exit(f'ERROR: Failed parse malformed JSON file '
                                 f'{OG_CLI_CFG_PATH}')
                except:
                        sys.exit(f'ERROR: cannot open {OG_CLI_CFG_PATH}')

                required_cfg_params = {'api_token', 'ip', 'port'}
                difference_cfg_params = required_cfg_params - self.cfg.keys()
                if len(difference_cfg_params) > 0:
                        sys.exit(f'Missing {difference_cfg_params} key in '
                                 f'json config file')

                self.ogcli = OgCLI(self.cfg)

                parser = argparse.ArgumentParser(prog='ogcli')
                parser.add_argument('command', help='Subcommand to run', nargs='?',
                                    choices=[attr for attr, _ in getmembers(self.ogcli, lambda x: ismethod(x))
                                             if not attr.startswith('_')])
                args = parser.parse_args(sys.argv[1:2])

                if not hasattr(self.ogcli, args.command):
                        parser.print_help()
                        sys.exit('Unknown command')

                # Call the command with the same name.
                getattr(self.ogcli, args.command)(sys.argv[2:])

if __name__ == "__main__":
        CLI()