diff options
Diffstat (limited to 'src/conf_mode/protocols_ospfv3.py')
-rwxr-xr-x | src/conf_mode/protocols_ospfv3.py | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/conf_mode/protocols_ospfv3.py b/src/conf_mode/protocols_ospfv3.py new file mode 100755 index 000000000..f514641ef --- /dev/null +++ b/src/conf_mode/protocols_ospfv3.py @@ -0,0 +1,109 @@ +#!/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/>. + +import os + +from sys import exit + +from vyos.config import Config +from vyos.configdict import dict_merge +from vyos.template import render +from vyos.template import render_to_string +from vyos.util import call +from vyos.util import dict_search +from vyos.xml import defaults +from vyos import ConfigError +from vyos import frr +from vyos import airbag +airbag.enable() + +config_file = r'/tmp/ospfv3.frr' +frr_daemon = 'ospf6d' + +DEBUG = os.path.exists('/tmp/ospfv3.debug') +if DEBUG: + import logging + lg = logging.getLogger("vyos.frr") + lg.setLevel(logging.DEBUG) + ch = logging.StreamHandler() + lg.addHandler(ch) + +def get_config(config=None): + if config: + conf = config + else: + conf = Config() + base = ['protocols', 'ospfv3'] + ospfv3 = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True) + return ospfv3 + +def verify(ospfv3): + if not ospfv3: + return None + + return None + +def generate(ospfv3): + if not ospfv3: + ospfv3['new_frr_config'] = '' + return None + + # render(config) not needed, its only for debug + render(config_file, 'frr/ospfv3.frr.tmpl', ospfv3) + ospfv3['new_frr_config'] = render_to_string('frr/ospfv3.frr.tmpl', ospfv3) + + return None + +def apply(ospfv3): + # Save original configuration prior to starting any commit actions + frr_cfg = frr.FRRConfig() + frr_cfg.load_configuration(frr_daemon) + frr_cfg.modify_section('router ospf6', '') + frr_cfg.add_before(r'(ip prefix-list .*|route-map .*|line vty)', ospfv3['new_frr_config']) + + # Debugging + if DEBUG: + from pprint import pprint + print('') + print('--------- DEBUGGING ----------') + pprint(dir(frr_cfg)) + print('Existing config:\n') + for line in frr_cfg.original_config: + print(line) + print(f'Replacement config:\n') + print(f'{ospfv3["new_frr_config"]}') + print(f'Modified config:\n') + print(f'{frr_cfg}') + + frr_cfg.commit_configuration(frr_daemon) + + # If FRR config is blank, re-run the blank commit x times due to frr-reload + # behavior/bug not properly clearing out on one commit. + if ospfv3['new_frr_config'] == '': + for a in range(5): + frr_cfg.commit_configuration(frr_daemon) + + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) |