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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/>.
# T3316:
# - Add subnet IDs to existing subnets
# - Move options to option node
# - Migrate address-range to range tagNode
import sys
from vyos.configtree import ConfigTree
if len(sys.argv) < 2:
print("Must specify file name!")
sys.exit(1)
file_name = sys.argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
base = ['service', 'dhcpv6-server', 'shared-network-name']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
sys.exit(0)
option_nodes = ['captive-portal', 'domain-search', 'name-server',
'nis-domain', 'nis-server', 'nisplus-domain', 'nisplus-server',
'sip-server', 'sntp-server', 'vendor-option']
subnet_id = 1
for network in config.list_nodes(base):
if config.exists(base + [network, 'subnet']):
for subnet in config.list_nodes(base + [network, 'subnet']):
base_subnet = base + [network, 'subnet', subnet]
if config.exists(base_subnet + ['address-range']):
config.set(base_subnet + ['range'])
config.set_tag(base_subnet + ['range'])
range_id = 1
if config.exists(base_subnet + ['address-range', 'prefix']):
for prefix in config.return_values(base_subnet + ['address-range', 'prefix']):
config.set(base_subnet + ['range', range_id, 'prefix'], value=prefix)
range_id += 1
if config.exists(base_subnet + ['address-range', 'start']):
for start in config.list_nodes(base_subnet + ['address-range', 'start']):
stop = config.return_value(base_subnet + ['address-range', 'start', start, 'stop'])
config.set(base_subnet + ['range', range_id, 'start'], value=start)
config.set(base_subnet + ['range', range_id, 'stop'], value=stop)
range_id += 1
config.delete(base_subnet + ['address-range'])
for option in option_nodes:
if config.exists(base_subnet + [option]):
config.set(base_subnet + ['option'])
config.copy(base_subnet + [option], base_subnet + ['option', option])
config.delete(base_subnet + [option])
config.set(base_subnet + ['subnet-id'], value=subnet_id)
subnet_id += 1
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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