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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/>.
# T5708:
# - migrate "service dns dynamic timeout ..."
# to "service dns dynamic interval ..."
# - remove "service dns dynamic address <interface> web-options ..." when <interface> != "web"
# - migrate "service dns dynamic address <interface> service <service> protocol dnsexit"
# to "service dns dynamic address <interface> service <service> protocol dnsexit2"
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()
config = ConfigTree(config_file)
base_path = ['service', 'dns', 'dynamic']
timeout_path = base_path + ['timeout']
address_path = base_path + ['address']
if not config.exists(base_path):
# Nothing to do
sys.exit(0)
# Migrate "service dns dynamic timeout ..."
# to "service dns dynamic interval ..."
if config.exists(timeout_path):
config.rename(timeout_path, 'interval')
# Remove "service dns dynamic address <interface> web-options ..." when <interface> != "web"
for address in config.list_nodes(address_path):
if config.exists(address_path + [address, 'web-options']) and address != 'web':
config.delete(address_path + [address, 'web-options'])
# Migrate "service dns dynamic address <interface> service <service> protocol dnsexit"
# to "service dns dynamic address <interface> service <service> protocol dnsexit2"
for address in config.list_nodes(address_path):
for svc_cfg in config.list_nodes(address_path + [address, 'service']):
if config.exists(address_path + [address, 'service', svc_cfg, 'protocol']):
protocol = config.return_value(address_path + [address, 'service', svc_cfg, 'protocol'])
if protocol == 'dnsexit':
config.set(address_path + [address, 'service', svc_cfg, 'protocol'], 'dnsexit2')
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))
sys.exit(1)
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