#!/usr/bin/env python3 # # Copyright (C) 2021 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 from sys import exit from vyos.config import Config from vyos.template import render from vyos.util import cmd from vyos import ConfigError from vyos import airbag airbag.enable() config_file = r'/run/sysctl/99-vyos-sysctl.conf' def get_config(config=None): if config: conf = config else: conf = Config() base = ['system', 'sysctl'] if not conf.exists(base): return None sysctl = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True, no_tag_node_value_mangle=True) return sysctl def verify(sysctl): return None def generate(sysctl): if not sysctl: if os.path.isfile(config_file): os.unlink(config_file) return None render(config_file, 'system/sysctl.conf.tmpl', sysctl) return None def apply(sysctl): if not sysctl: return None # We silently ignore all errors # See: https://bugzilla.redhat.com/show_bug.cgi?id=1264080 cmd(f'sysctl -f {config_file}') return None if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1)