diff options
Diffstat (limited to 'src/migration-scripts/dns-dynamic/2-to-3')
| -rw-r--r--[-rwxr-xr-x] | src/migration-scripts/dns-dynamic/2-to-3 | 134 |
1 files changed, 57 insertions, 77 deletions
diff --git a/src/migration-scripts/dns-dynamic/2-to-3 b/src/migration-scripts/dns-dynamic/2-to-3 index 4e0aa37d5..9aafc41a4 100755..100644 --- a/src/migration-scripts/dns-dynamic/2-to-3 +++ b/src/migration-scripts/dns-dynamic/2-to-3 @@ -1,18 +1,17 @@ -#!/usr/bin/env python3 - -# Copyright (C) 2023 VyOS maintainers and contributors +# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io> # -# 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 library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. # -# This program is distributed in the hope that it will be useful, +# This library 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. +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser 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/>. +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. # T5791: # - migrate "service dns dynamic address web web-options ..." @@ -23,7 +22,6 @@ # to "service dns dynamic name <service> address <interface> ..." # - normalize the all service names to conform with name constraints -import sys import re from unicodedata import normalize from vyos.configtree import ConfigTree @@ -41,79 +39,61 @@ def normalize_name(name): return name - -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) +def migrate(config: ConfigTree) -> None: + if not config.exists(address_path): + # Nothing to do + return -# config.copy does not recursively create a path, so initialize the name path as tagged node -if not config.exists(name_path): - config.set(name_path) - config.set_tag(name_path) + # config.copy does not recursively create a path, so initialize the name path as tagged node + if not config.exists(name_path): + config.set(name_path) + config.set_tag(name_path) -for address in config.list_nodes(address_path): + for address in config.list_nodes(address_path): - address_path_tag = address_path + [address] + address_path_tag = address_path + [address] + + # Move web-option as a configuration in each service instead of top level web-option + if config.exists(address_path_tag + ['web-options']) and address == 'web': + for svc_type in ['service', 'rfc2136']: + if config.exists(address_path_tag + [svc_type]): + for svc_cfg in config.list_nodes(address_path_tag + [svc_type]): + config.copy(address_path_tag + ['web-options'], + address_path_tag + [svc_type, svc_cfg, 'web-options']) + config.delete(address_path_tag + ['web-options']) - # Move web-option as a configuration in each service instead of top level web-option - if config.exists(address_path_tag + ['web-options']) and address == 'web': for svc_type in ['service', 'rfc2136']: if config.exists(address_path_tag + [svc_type]): + # Set protocol to 'nsupdate' for RFC2136 configuration + if svc_type == 'rfc2136': + for rfc_cfg in config.list_nodes(address_path_tag + ['rfc2136']): + config.set(address_path_tag + ['rfc2136', rfc_cfg, 'protocol'], 'nsupdate') + + # Add address as config value in each service before moving the service path + # And then copy the services from 'address <interface> service <service>' + # to 'name (service|rfc2136)-<service>-<address>' + # Note: The new service is named (service|rfc2136)-<service>-<address> + # to avoid name conflict with old entries for svc_cfg in config.list_nodes(address_path_tag + [svc_type]): - config.copy(address_path_tag + ['web-options'], - address_path_tag + [svc_type, svc_cfg, 'web-options']) - config.delete(address_path_tag + ['web-options']) - - for svc_type in ['service', 'rfc2136']: - if config.exists(address_path_tag + [svc_type]): - # Set protocol to 'nsupdate' for RFC2136 configuration - if svc_type == 'rfc2136': - for rfc_cfg in config.list_nodes(address_path_tag + ['rfc2136']): - config.set(address_path_tag + ['rfc2136', rfc_cfg, 'protocol'], 'nsupdate') - - # Add address as config value in each service before moving the service path - # And then copy the services from 'address <interface> service <service>' - # to 'name (service|rfc2136)-<service>-<address>' - # Note: The new service is named (service|rfc2136)-<service>-<address> - # to avoid name conflict with old entries - for svc_cfg in config.list_nodes(address_path_tag + [svc_type]): - config.set(address_path_tag + [svc_type, svc_cfg, 'address'], address) - config.copy(address_path_tag + [svc_type, svc_cfg], - name_path + ['-'.join([svc_type, svc_cfg, address])]) - -# Finally cleanup the old address path -config.delete(address_path) - -# Normalize the all service names to conform with name constraints -index = 1 -for name in config.list_nodes(name_path): - new_name = normalize_name(name) - if new_name != name: - # Append index if there is still a name conflicts after normalization - # For example, "foo-?(" and "foo-!)" both normalize to "foo-" - if config.exists(name_path + [new_name]): - new_name = f'{new_name}-{index}' - index += 1 - config.rename(name_path + [name], new_name) - -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) + config.set(address_path_tag + [svc_type, svc_cfg, 'address'], address) + config.copy(address_path_tag + [svc_type, svc_cfg], + name_path + ['-'.join([svc_type, svc_cfg, address])]) + + # Finally cleanup the old address path + config.delete(address_path) + + # Normalize the all service names to conform with name constraints + index = 1 + for name in config.list_nodes(name_path): + new_name = normalize_name(name) + if new_name != name: + # Append index if there is still a name conflicts after normalization + # For example, "foo-?(" and "foo-!)" both normalize to "foo-" + if config.exists(name_path + [new_name]): + new_name = f'{new_name}-{index}' + index += 1 + config.rename(name_path + [name], new_name) |