#!/usr/bin/env python3 # # Copyright (C) 2022 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/>. from sys import argv,exit from vyos.base import Warning from vyos.configtree import ConfigTree from vyos.util import read_file def bandwidth_percent_to_val(interface, percent) -> int: speed = read_file(f'/sys/class/net/{interface}/speed') if not speed.isnumeric(): Warning('Interface speed cannot be determined (assuming 10 Mbit/s)') speed = 10 speed = int(speed) *1000000 # convert to MBit/s return speed * int(percent) // 100 # integer division if (len(argv) < 1): print("Must specify file name!") exit(1) file_name = argv[1] with open(file_name, 'r') as f: config_file = f.read() base = ['traffic-policy'] config = ConfigTree(config_file) if not config.exists(base): # Nothing to do exit(0) iface_config = {} if config.exists(['interfaces']): def get_qos(config, interface, interface_base): if config.exists(interface_base): tmp = { interface : {} } if config.exists(interface_base + ['in']): tmp[interface]['ingress'] = config.return_value(interface_base + ['in']) if config.exists(interface_base + ['out']): tmp[interface]['egress'] = config.return_value(interface_base + ['out']) config.delete(interface_base) return tmp return None # Migrate "interface ethernet eth0 traffic-policy in|out" to "qos interface eth0 ingress|egress" for type in config.list_nodes(['interfaces']): for interface in config.list_nodes(['interfaces', type]): interface_base = ['interfaces', type, interface, 'traffic-policy'] tmp = get_qos(config, interface, interface_base) if tmp: iface_config.update(tmp) vif_path = ['interfaces', type, interface, 'vif'] if config.exists(vif_path): for vif in config.list_nodes(vif_path): vif_interface_base = vif_path + [vif, 'traffic-policy'] ifname = f'{interface}.{vif}' tmp = get_qos(config, ifname, vif_interface_base) if tmp: iface_config.update(tmp) vif_s_path = ['interfaces', type, interface, 'vif-s'] if config.exists(vif_s_path): for vif_s in config.list_nodes(vif_s_path): vif_s_interface_base = vif_s_path + [vif_s, 'traffic-policy'] ifname = f'{interface}.{vif_s}' tmp = get_qos(config, ifname, vif_s_interface_base) if tmp: iface_config.update(tmp) # vif-c interfaces MUST be migrated before their parent vif-s # interface as the migrate_*() functions delete the path! vif_c_path = ['interfaces', type, interface, 'vif-s', vif_s, 'vif-c'] if config.exists(vif_c_path): for vif_c in config.list_nodes(vif_c_path): vif_c_interface_base = vif_c_path + [vif_c, 'traffic-policy'] ifname = f'{interface}.{vif_s}.{vif_c}' tmp = get_qos(config, ifname, vif_s_interface_base) if tmp: iface_config.update(tmp) # Now we have the information which interface uses which QoS policy. # Interface binding will be moved to the qos CLi tree config.set(['qos']) config.copy(base, ['qos', 'policy']) config.delete(base) # Now map the interface policy binding to the new CLI syntax if len(iface_config): config.set(['qos', 'interface']) config.set_tag(['qos', 'interface']) for interface, interface_config in iface_config.items(): config.set(['qos', 'interface', interface]) config.set_tag(['qos', 'interface', interface]) if 'ingress' in interface_config: config.set(['qos', 'interface', interface, 'ingress'], value=interface_config['ingress']) if 'egress' in interface_config: config.set(['qos', 'interface', interface, 'egress'], value=interface_config['egress']) # Remove "burst" CLI node from network emulator netem_base = ['qos', 'policy', 'network-emulator'] if config.exists(netem_base): for policy_name in config.list_nodes(netem_base): if config.exists(netem_base + [policy_name, 'burst']): config.delete(netem_base + [policy_name, 'burst']) # Change bandwidth unit MBit -> mbit as tc only supports mbit base = ['qos', 'policy'] if config.exists(base): for policy_type in config.list_nodes(base): for policy in config.list_nodes(base + [policy_type]): policy_base = base + [policy_type, policy] if config.exists(policy_base + ['bandwidth']): tmp = config.return_value(policy_base + ['bandwidth']) config.set(policy_base + ['bandwidth'], value=tmp.lower()) if config.exists(policy_base + ['class']): for cls in config.list_nodes(policy_base + ['class']): cls_base = policy_base + ['class', cls] if config.exists(cls_base + ['bandwidth']): tmp = config.return_value(cls_base + ['bandwidth']) config.set(cls_base + ['bandwidth'], value=tmp.lower()) if config.exists(policy_base + ['default', 'bandwidth']): if config.exists(policy_base + ['default', 'bandwidth']): tmp = config.return_value(policy_base + ['default', 'bandwidth']) config.set(policy_base + ['default', 'bandwidth'], value=tmp.lower()) 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)