#!/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 copy import deepcopy from sys import exit from vyos.config import Config from vyos.configdict import get_interface_dict from vyos.configdict import leaf_node_changed from vyos.configverify import verify_vrf from vyos.configverify import verify_address from vyos.configverify import verify_bridge_delete from vyos.configverify import verify_source_interface from vyos.configverify import verify_vlan_config from vyos.ifconfig import MACVLANIf from vyos import ConfigError from vyos import airbag airbag.enable() def get_config(): """ Retrive CLI config as dictionary. Dictionary can never be empty, as at least the interface name will be added or a deleted flag """ conf = Config() base = ['interfaces', 'pseudo-ethernet'] peth = get_interface_dict(conf, base) mode = leaf_node_changed(conf, ['mode']) if mode: peth.update({'mode_old' : mode}) return peth def verify(peth): if 'deleted' in peth: verify_bridge_delete(peth) return None verify_source_interface(peth) verify_vrf(peth) verify_address(peth) # use common function to verify VLAN configuration verify_vlan_config(peth) return None def generate(peth): return None def apply(peth): if 'deleted' in peth: # delete interface MACVLANIf(peth['ifname']).remove() return None # Check if MACVLAN interface already exists. Parameters like the underlaying # source-interface device or mode can not be changed on the fly and the interface # needs to be recreated from the bottom. if 'mode_old' in peth: MACVLANIf(peth['ifname']).remove() # MACVLAN interface needs to be created on-block instead of passing a ton # of arguments, I just use a dict that is managed by vyos.ifconfig conf = deepcopy(MACVLANIf.get_config()) # Assign MACVLAN instance configuration parameters to config dict conf['source_interface'] = peth['source_interface'] conf['mode'] = peth['mode'] # It is safe to "re-create" the interface always, there is a sanity check # that the interface will only be create if its non existent p = MACVLANIf(peth['ifname'], **conf) p.update(peth) return None if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1)