From 967c53e2f3e4a7ae36577ba28dd60046909224dc Mon Sep 17 00:00:00 2001 From: Cheeze_It Date: Tue, 19 Jul 2022 18:11:05 -0700 Subject: bgp: T4257: Changing BGP "local-as" to "system-as" bgp: T4257: Changing BGP "local-as" to "system-as" This change is to change the global BGP name for the node "local-as" to "system-as" This is needed so that there's less ambiguity with the local-as feature per neighbor. bgp: T4257: Changing BGP "local-as" to "system-as" bgp: T4257: Changing BGP "local-as" to "system-as" This change is to change the global BGP name for the node "local-as" to "system-as" This is needed so that there's less ambiguity with the local-as feature per neighbor. --- src/conf_mode/protocols_bgp.py | 8 +++---- src/migration-scripts/bgp/2-to-3 | 51 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 55 insertions(+), 4 deletions(-) create mode 100755 src/migration-scripts/bgp/2-to-3 (limited to 'src') diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index 5aa643476..e85438c00 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -121,8 +121,8 @@ def verify(bgp): 'dependent VRF instance(s) exist!') return None - if 'local_as' not in bgp: - raise ConfigError('BGP local-as number must be defined!') + if 'system_as' not in bgp: + raise ConfigError('BGP system-as number must be defined!') # Common verification for both peer-group and neighbor statements for neighbor in ['neighbor', 'peer_group']: @@ -147,8 +147,8 @@ def verify(bgp): # Neighbor local-as override can not be the same as the local-as # we use for this BGP instane! asn = list(peer_config['local_as'].keys())[0] - if asn == bgp['local_as']: - raise ConfigError('Cannot have local-as same as BGP AS number') + if asn == bgp['system_as']: + raise ConfigError('Cannot have local-as same as system-as number') # Neighbor AS specified for local-as and remote-as can not be the same if dict_search('remote_as', peer_config) == asn: diff --git a/src/migration-scripts/bgp/2-to-3 b/src/migration-scripts/bgp/2-to-3 new file mode 100755 index 000000000..7ced0a3b0 --- /dev/null +++ b/src/migration-scripts/bgp/2-to-3 @@ -0,0 +1,51 @@ +#!/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 . + +# T4257: Discussion on changing BGP autonomous system number syntax + +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() + +config = ConfigTree(config_file) + +# Check if BGP is even configured. Then check if local-as exists, then add the system-as, then remove the local-as. This is for global configuration. +if config.exists(['protocols', 'bgp']): + if config.exists(['protocols', 'bgp', 'local-as']): + config.rename(['protocols', 'bgp', 'local-as'], 'system-as') + +# Check if vrf names are configured. Then check if local-as exists inside of a name, then add the system-as, then remove the local-as. This is for vrf configuration. +if config.exists(['vrf', 'name']): + for vrf in config.list_nodes(['vrf', 'name']): + if config.exists(['vrf', f'name {vrf}', 'protocols', 'bgp', 'local-as']): + config.rename(['vrf', f'name {vrf}', 'protocols', 'bgp', 'local-as'], 'system-as') + +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) -- cgit v1.2.3