#!/usr/bin/env python3 # # Copyright (C) 2022-2024 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/>. # T2199: Migrate interface policy nodes to policy route <name> interface <ifname> from sys import argv from sys import exit 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() base4 = ['policy', 'route'] base6 = ['policy', 'route6'] config = ConfigTree(config_file) def delete_orphaned_interface_policy(config, iftype, ifname, vif=None, vifs=None, vifc=None): """Delete unexpected policy on interfaces in cases when policy does not exist but inreface has a policy configuration Example T5941: set interfaces bonding bond0 vif 995 policy """ if_path = ['interfaces', iftype, ifname] if vif: if_path += ['vif', vif] elif vifs: if_path += ['vif-s', vifs] if vifc: if_path += ['vif-c', vifc] if not config.exists(if_path + ['policy']): return config.delete(if_path + ['policy']) if not config.exists(base4) and not config.exists(base6): # Delete orphaned nodes on interfaces T5941 for iftype in config.list_nodes(['interfaces']): for ifname in config.list_nodes(['interfaces', iftype]): delete_orphaned_interface_policy(config, iftype, ifname) if config.exists(['interfaces', iftype, ifname, 'vif']): for vif in config.list_nodes(['interfaces', iftype, ifname, 'vif']): delete_orphaned_interface_policy(config, iftype, ifname, vif=vif) if config.exists(['interfaces', iftype, ifname, 'vif-s']): for vifs in config.list_nodes(['interfaces', iftype, ifname, 'vif-s']): delete_orphaned_interface_policy(config, iftype, ifname, vifs=vifs) if config.exists(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']): for vifc in config.list_nodes(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']): delete_orphaned_interface_policy(config, iftype, ifname, vifs=vifs, vifc=vifc) 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) # Nothing to do exit(0) def migrate_interface(config, iftype, ifname, vif=None, vifs=None, vifc=None): if_path = ['interfaces', iftype, ifname] ifname_full = ifname if vif: if_path += ['vif', vif] ifname_full = f'{ifname}.{vif}' elif vifs: if_path += ['vif-s', vifs] ifname_full = f'{ifname}.{vifs}' if vifc: if_path += ['vif-c', vifc] ifname_full = f'{ifname}.{vifs}.{vifc}' if not config.exists(if_path + ['policy']): return if config.exists(if_path + ['policy', 'route']): route_name = config.return_value(if_path + ['policy', 'route']) config.set(base4 + [route_name, 'interface'], value=ifname_full, replace=False) if config.exists(if_path + ['policy', 'route6']): route_name = config.return_value(if_path + ['policy', 'route6']) config.set(base6 + [route_name, 'interface'], value=ifname_full, replace=False) config.delete(if_path + ['policy']) for iftype in config.list_nodes(['interfaces']): for ifname in config.list_nodes(['interfaces', iftype]): migrate_interface(config, iftype, ifname) if config.exists(['interfaces', iftype, ifname, 'vif']): for vif in config.list_nodes(['interfaces', iftype, ifname, 'vif']): migrate_interface(config, iftype, ifname, vif=vif) if config.exists(['interfaces', iftype, ifname, 'vif-s']): for vifs in config.list_nodes(['interfaces', iftype, ifname, 'vif-s']): migrate_interface(config, iftype, ifname, vifs=vifs) if config.exists(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']): for vifc in config.list_nodes(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']): migrate_interface(config, iftype, ifname, vifs=vifs, vifc=vifc) 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)