From 42e39d21a66ee2b11fbc99adb321a019c7aabd8f Mon Sep 17 00:00:00 2001 From: Indrajit Raychaudhuri Date: Fri, 19 Jan 2024 17:48:18 -0600 Subject: ddclient: T5966: Migration script for dynamic dns config subpath change --- src/migration-scripts/dns-dynamic/3-to-4 | 76 ++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100755 src/migration-scripts/dns-dynamic/3-to-4 (limited to 'src/migration-scripts') diff --git a/src/migration-scripts/dns-dynamic/3-to-4 b/src/migration-scripts/dns-dynamic/3-to-4 new file mode 100755 index 000000000..b888a3b6b --- /dev/null +++ b/src/migration-scripts/dns-dynamic/3-to-4 @@ -0,0 +1,76 @@ +#!/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 . + +# T5966: +# - migrate "service dns dynamic name address " +# to "service dns dynamic name address interface " +# when != 'web' +# - migrate "service dns dynamic name web-options ..." +# to "service dns dynamic name address web ..." +# when == 'web' + +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', 'name'] + +if not config.exists(base_path): + # Nothing to do + sys.exit(0) + +for service in config.list_nodes(base_path): + + service_path = base_path + [service] + + if config.exists(service_path + ['address']): + address = config.return_value(service_path + ['address']) + # 'address' is not a leaf node anymore, delete it first + config.delete(service_path + ['address']) + + # When address is an interface (not 'web'), move it to 'address interface' + if address != 'web': + config.set(service_path + ['address', 'interface'], address) + + else: # address == 'web' + # Relocate optional 'web-options' directly under 'address web' + if config.exists(service_path + ['web-options']): + # config.copy does not recursively create a path, so initialize it + config.set(service_path + ['address']) + config.copy(service_path + ['web-options'], + service_path + ['address', 'web']) + config.delete(service_path + ['web-options']) + + # ensure that valueless 'address web' still exists even if there are no 'web-options' + if not config.exists(service_path + ['address', 'web']): + config.set(service_path + ['address', 'web']) + +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) -- cgit v1.2.3