#!/usr/bin/env python3 # # Copyright (C) 2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import os import json from pathlib import Path from vyos.config import Config from vyos import ConfigError from vyos import airbag airbag.enable() service_conf = Path(f'/run/config_sync_conf.conf') post_commit_dir = '/run/scripts/commit/post-hooks.d' post_commit_file_src = '/usr/libexec/vyos/vyos_config_sync.py' post_commit_file = f'{post_commit_dir}/vyos_config_sync' def get_config(config=None): if config: conf = config else: conf = Config() base = ['service', 'config-sync'] if not conf.exists(base): return None config = conf.get_config_dict(base, get_first_key=True, with_recursive_defaults=True) return config def verify(config): # bail out early - looks like removal from running config if not config: return None if 'mode' not in config: raise ConfigError(f'config-sync mode is mandatory!') for option in ['secondary', 'section']: if option not in config: raise ConfigError(f"config-sync '{option}' is not configured!") if 'address' not in config['secondary']: raise ConfigError(f'secondary address is mandatory!') if 'key' not in config['secondary']: raise ConfigError(f'secondary key is mandatory!') def generate(config): if not config: if os.path.exists(post_commit_file): os.unlink(post_commit_file) if service_conf.exists(): service_conf.unlink() return None # Write configuration file conf_json = json.dumps(config, indent=4) service_conf.write_text(conf_json) # Create post commit dir if not os.path.isdir(post_commit_dir): os.makedirs(post_commit_dir) # Symlink from helpers to post-commit if not os.path.exists(post_commit_file): os.symlink(post_commit_file_src, post_commit_file) return None def apply(config): return None if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1)