From 7cf735e11033bfaebf68c8544b7e77c8b28c5670 Mon Sep 17 00:00:00 2001 From: Indrajit Raychaudhuri Date: Thu, 30 Nov 2023 19:16:53 -0600 Subject: ddclient: T5791: Migration script for dynamic dns config path change --- src/migration-scripts/dns-dynamic/2-to-3 | 85 ++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 src/migration-scripts/dns-dynamic/2-to-3 (limited to 'src/migration-scripts/dns-dynamic/2-to-3') diff --git a/src/migration-scripts/dns-dynamic/2-to-3 b/src/migration-scripts/dns-dynamic/2-to-3 new file mode 100644 index 000000000..02bc9324a --- /dev/null +++ b/src/migration-scripts/dns-dynamic/2-to-3 @@ -0,0 +1,85 @@ +#!/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 . + +# T5791: +# - migrate "service dns dynamic address web web-options ..." +# to "service dns dynamic name address web ..." (per service) +# - migrate "service dns dynamic address
rfc2136 ..." +# to "service dns dynamic name address protocol 'nsupdate'" +# - migrate "service dns dynamic address service ..." +# to "service dns dynamic name address ..." + +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'] +address_path = base_path + ['address'] +name_path = base_path + ['name'] + +if not config.exists(address_path): + # Nothing to do + sys.exit(0) + +# config.copy does not recursively create a path, so initialize the name path +if not config.exists(name_path): + config.set(name_path) + +for address in config.list_nodes(address_path): + + # Move web-option as a configuration in each service instead of top level web-option + if config.exists(address_path + [address, 'web-options']) and address == 'web': + for svc_type in ['service', 'rfc2136']: + if config.exists(address_path + [address, svc_type]): + for svc_cfg in config.list_nodes(address_path + [address, svc_type]): + config.copy(address_path + [address, 'web-options'], + address_path + [address, svc_type, svc_cfg, 'web-options']) + config.delete(address_path + [address, 'web-options']) + + for svc_type in ['service', 'rfc2136']: + if config.exists(address_path + [address, svc_type]): + # Move RFC2136 as service configuration, rename to avoid name conflict and set protocol to 'nsupdate' + if svc_type == 'rfc2136': + for rfc_cfg_old in config.list_nodes(address_path + [address, 'rfc2136']): + rfc_cfg_new = f'{rfc_cfg_old}-rfc2136' + config.rename(address_path + [address, 'rfc2136', rfc_cfg_old], rfc_cfg_new) + config.set(address_path + [address, 'rfc2136', rfc_cfg_new, 'protocol'], 'nsupdate') + + # Add address as config value in each service before moving the service path + # And then copy the services from 'address service ' to 'name ' + for svc_cfg in config.list_nodes(address_path + [address, svc_type]): + config.set(address_path + [address, svc_type, svc_cfg, 'address'], address) + config.copy(address_path + [address, svc_type, svc_cfg], name_path + [svc_cfg]) + +# Finally cleanup the old address path +config.delete(address_path) + +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