#!/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, argv from vyos.configtree import ConfigTree if len(argv) < 2: print("Must specify file name!") exit(1) file_name = argv[1] with open(file_name, 'r') as f: config_file = f.read() base = ['system', 'sysctl'] config = ConfigTree(config_file) if not config.exists(base): # Nothing to do exit(0) for all_custom in ['all', 'custom']: if config.exists(base + [all_custom]): for key in config.list_nodes(base + [all_custom]): tmp = config.return_value(base + [all_custom, key, 'value']) config.set(base + ['parameter', key, 'value'], value=tmp) config.set_tag(base + ['parameter']) config.delete(base + [all_custom]) for ipv4_param in ['net.ipv4.igmp_max_memberships', 'net.ipv4.ipfrag_time']: if config.exists(base + [ipv4_param]): tmp = config.return_value(base + [ipv4_param]) config.set(base + ['parameter', ipv4_param, 'value'], value=tmp) config.set_tag(base + ['parameter']) config.delete(base + [ipv4_param]) try: with open(file_name, 'w') as f: f.write(config.to_string()) except OSError as e: print("Failed to save the modified config: {}".format(e)) exit(1)