#!/usr/bin/env python3 # # Copyright (C) 2020 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/>. # - rename 'dhcpv6-options prefix-delegation' from single node to a new tag node # 'dhcpv6-options pd 0' # - delete 'sla-len' from CLI - value is calculated on demand from sys import exit, argv from vyos.configtree import ConfigTree if __name__ == '__main__': 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() config = ConfigTree(config_file) for type in config.list_nodes(['interfaces']): for interface in config.list_nodes(['interfaces', type]): # cache current config tree base_path = ['interfaces', type, interface, 'dhcpv6-options'] old_base = base_path + ['prefix-delegation'] new_base = base_path + ['pd'] if config.exists(old_base): config.set(new_base) config.set_tag(new_base) config.copy(old_base, new_base + ['0']) config.delete(old_base) for pd in config.list_nodes(new_base): for tmp in config.list_nodes(new_base + [pd, 'interface']): sla_config = new_base + [pd, 'interface', tmp, 'sla-len'] if config.exists(sla_config): config.delete(sla_config) 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)