#!/usr/bin/env python3 # # Copyright (C) 2019-2020 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/>. import os from glob import glob from sys import exit from vyos.config import Config from vyos.configdict import get_interface_dict from vyos.configverify import verify_address from vyos.configverify import verify_dhcpv6 from vyos.configverify import verify_interface_exists from vyos.configverify import verify_mtu from vyos.configverify import verify_mtu_ipv6 from vyos.configverify import verify_vlan_config from vyos.configverify import verify_vrf from vyos.ifconfig import EthernetIf from vyos.util import dict_search from vyos import ConfigError from vyos import airbag airbag.enable() def get_config(config=None): """ Retrive CLI config as dictionary. Dictionary can never be empty, as at least the interface name will be added or a deleted flag """ if config: conf = config else: conf = Config() base = ['interfaces', 'ethernet'] ethernet = get_interface_dict(conf, base) return ethernet def verify(ethernet): if 'deleted' in ethernet: return None verify_interface_exists(ethernet) if ethernet.get('speed', None) == 'auto': if ethernet.get('duplex', None) != 'auto': raise ConfigError('If speed is hardcoded, duplex must be hardcoded, too') if ethernet.get('duplex', None) == 'auto': if ethernet.get('speed', None) != 'auto': raise ConfigError('If duplex is hardcoded, speed must be hardcoded, too') verify_mtu(ethernet) verify_mtu_ipv6(ethernet) verify_dhcpv6(ethernet) verify_address(ethernet) verify_vrf(ethernet) # XDP requires multiple TX queues if 'xdp' in ethernet: queues = glob('/sys/class/net/{ifname}/queues/tx-*'.format(**ethernet)) if len(queues) < 2: raise ConfigError('XDP requires additional TX queues, too few available!') if {'is_bond_member', 'mac'} <= set(ethernet): print(f'WARNING: changing mac address "{mac}" will be ignored as "{ifname}" ' f'is a member of bond "{is_bond_member}"'.format(**ethernet)) # use common function to verify VLAN configuration verify_vlan_config(ethernet) return None def generate(ethernet): return None def apply(ethernet): e = EthernetIf(ethernet['ifname']) if 'deleted' in ethernet: # delete interface e.remove() else: e.update(ethernet) if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1)