#!/usr/bin/env python3 # # Copyright (C) 2021 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/>. # T3417: migrate IS-IS tagNode to node as we can only have one IS-IS process from sys import argv from sys import exit from vyos.configtree import ConfigTree 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 = ['protocols', 'bgp'] config = ConfigTree(config_file) if not config.exists(base) or not config.is_tag(base): # Nothing to do exit(0) # Only one BGP process is supported, thus this operation is savea asn = config.list_nodes(base) bgp_base = base + asn # We need a temporary copy of the config tmp_base = ['protocols', 'bgp2'] config.copy(bgp_base, tmp_base) # Now it's save to delete the old configuration config.delete(base) # Rename temporary copy to new final config and set new "local-as" option config.rename(tmp_base, 'bgp') config.set(base + ['local-as'], value=asn[0]) try: with open(file_name, 'w') as f: f.write(config.to_string()) except OSError as e: print(f'Failed to save the modified config: {e}') exit(1)