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#!/usr/bin/env python3
#
# Copyright (C) 2023 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/>.
# - changed cli of all named pools
# - moved gateway-address from pool to global configuration with / netmask
# gateway can exist without pool if radius is used
# and Framed-ip-address is transmited
# - There are several gateway-addresses in ipoe
# - default-pool by migration.
# 1. The first pool that contains next-poll.
# 2. Else, the first pool in the list
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-ip-pool']
if not config.exists(base):
exit(0)
if not config.exists(pool_base):
exit(0)
default_pool = ''
gateway = ''
#named pool migration
namedpools_base = pool_base + ['name']
for pool_name in config.list_nodes(namedpools_base):
pool_path = namedpools_base + [pool_name]
if config.exists(pool_path + ['subnet']):
subnet = config.return_value(pool_path + ['subnet'])
config.set(pool_base + [pool_name, 'range'], value=subnet, replace=False)
# Get netmask from subnet
mask = subnet.split("/")[1]
if config.exists(pool_path + ['next-pool']):
next_pool = config.return_value(pool_path + ['next-pool'])
config.set(pool_base + [pool_name, 'next-pool'], value=next_pool)
if not default_pool:
default_pool = pool_name
if config.exists(pool_path + ['gateway-address']) and mask:
gateway = f'{config.return_value(pool_path + ["gateway-address"])}/{mask}'
config.set(base + ['gateway-address'], value=gateway, replace=False)
if not default_pool and config.list_nodes(namedpools_base):
default_pool = config.list_nodes(namedpools_base)[0]
config.delete(namedpools_base)
if default_pool:
config.set(base + ['default-pool'], value=default_pool)
# 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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