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#!/usr/bin/env python3
#
# Copyright (C) 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/>.
# Migrating to named ipv6 pools
import os
from sys import argv
from sys import exit
from vyos.configtree import ConfigTree
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)
base = ['service', 'ipoe-server']
pool_base = base + ['client-ipv6-pool']
if not config.exists(base):
exit(0)
if not config.exists(pool_base):
exit(0)
ipv6_pool_name = 'ipv6-pool'
config.copy(pool_base, pool_base + [ipv6_pool_name])
if config.exists(pool_base + ['prefix']):
config.delete(pool_base + ['prefix'])
config.set(base + ['default-ipv6-pool'], value=ipv6_pool_name)
if config.exists(pool_base + ['delegate']):
config.delete(pool_base + ['delegate'])
# format as tag node
config.set_tag(pool_base)
try:
with open(file_name, 'w') as f:
f.write(config.to_string())
except OSError as e:
print("Failed to save the modified config: {}".format(e))
exit(1)
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