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#!/usr/bin/env python3
#
# Copyright (C) 2021-2024 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/>.
# T3753: upgrade to FRR8 and move CLI options to better fit with the new FRR CLI
from sys import argv
from vyos.configtree import ConfigTree
def ospf_passive_migration(config, ospf_base):
if config.exists(ospf_base):
if config.exists(ospf_base + ['passive-interface']):
default = False
for interface in config.return_values(ospf_base + ['passive-interface']):
if interface == 'default':
default = True
continue
config.set(ospf_base + ['interface', interface, 'passive'])
config.set_tag(ospf_base + ['interface'])
config.delete(ospf_base + ['passive-interface'])
if default:
config.set(ospf_base + ['passive-interface'], value='default')
if config.exists(ospf_base + ['passive-interface-exclude']):
for interface in config.return_values(ospf_base + ['passive-interface-exclude']):
config.set(ospf_base + ['interface', interface, 'passive', 'disable'])
config.set_tag(ospf_base + ['interface'])
config.delete(ospf_base + ['passive-interface-exclude'])
if len(argv) < 2:
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)
ospfv3_base = ['protocols', 'ospfv3']
if config.exists(ospfv3_base):
area_base = ospfv3_base + ['area']
if config.exists(area_base):
for area in config.list_nodes(area_base):
if not config.exists(area_base + [area, 'interface']):
continue
for interface in config.return_values(area_base + [area, 'interface']):
config.set(ospfv3_base + ['interface', interface, 'area'], value=area)
config.set_tag(ospfv3_base + ['interface'])
config.delete(area_base + [area, 'interface'])
# Migrate OSPF syntax in default VRF
ospf_base = ['protocols', 'ospf']
ospf_passive_migration(config, ospf_base)
vrf_base = ['vrf', 'name']
if config.exists(vrf_base):
for vrf in config.list_nodes(vrf_base):
vrf_ospf_base = vrf_base + [vrf, 'protocols', 'ospf']
if config.exists(vrf_ospf_base):
ospf_passive_migration(config, vrf_ospf_base)
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)

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