diff options
Diffstat (limited to 'src/migration-scripts/dhcp-server/5-to-6')
| -rw-r--r--[-rwxr-xr-x] | src/migration-scripts/dhcp-server/5-to-6 | 132 |
1 files changed, 57 insertions, 75 deletions
diff --git a/src/migration-scripts/dhcp-server/5-to-6 b/src/migration-scripts/dhcp-server/5-to-6 index f5c766a09..9404cd038 100755..100644 --- a/src/migration-scripts/dhcp-server/5-to-6 +++ b/src/migration-scripts/dhcp-server/5-to-6 @@ -1,87 +1,69 @@ -#!/usr/bin/env python3 +# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io> # -# Copyright (C) 2021 VyOS maintainers and contributors +# 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 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, +# 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/>. # T1968: allow multiple static-routes to be configured # T3838: rename dns-server -> name-server -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', 'dhcp-server'] -config = ConfigTree(config_file) - -if not config.exists(base + ['shared-network-name']): - # Nothing to do - exit(0) - -# Run this for every instance if 'shared-network-name' -for network in config.list_nodes(base + ['shared-network-name']): - base_network = base + ['shared-network-name', network] - - if not config.exists(base_network + ['subnet']): - continue - - # Run this for every specified 'subnet' - for subnet in config.list_nodes(base_network + ['subnet']): - base_subnet = base_network + ['subnet', subnet] - - # T1968: allow multiple static-routes to be configured - if config.exists(base_subnet + ['static-route']): - prefix = config.return_value(base_subnet + ['static-route', 'destination-subnet']) - router = config.return_value(base_subnet + ['static-route', 'router']) - config.delete(base_subnet + ['static-route']) - - config.set(base_subnet + ['static-route', prefix, 'next-hop'], value=router) - config.set_tag(base_subnet + ['static-route']) - - # T3838: rename dns-server -> name-server - if config.exists(base_subnet + ['dns-server']): - config.rename(base_subnet + ['dns-server'], 'name-server') - - - # T3672: ISC DHCP server only supports one failover peer - if config.exists(base_subnet + ['failover']): - # There can only be one failover configuration, if none is present - # we add the first one - if not config.exists(base + ['failover']): - local = config.return_value(base_subnet + ['failover', 'local-address']) - remote = config.return_value(base_subnet + ['failover', 'peer-address']) - status = config.return_value(base_subnet + ['failover', 'status']) - name = config.return_value(base_subnet + ['failover', 'name']) - - config.set(base + ['failover', 'remote'], value=remote) - config.set(base + ['failover', 'source-address'], value=local) - config.set(base + ['failover', 'status'], value=status) - config.set(base + ['failover', 'name'], value=name) - - config.delete(base_subnet + ['failover']) - config.set(base_subnet + ['enable-failover']) -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) +def migrate(config: ConfigTree) -> None: + if not config.exists(base + ['shared-network-name']): + # Nothing to do + return + + # Run this for every instance if 'shared-network-name' + for network in config.list_nodes(base + ['shared-network-name']): + base_network = base + ['shared-network-name', network] + + if not config.exists(base_network + ['subnet']): + continue + + # Run this for every specified 'subnet' + for subnet in config.list_nodes(base_network + ['subnet']): + base_subnet = base_network + ['subnet', subnet] + + # T1968: allow multiple static-routes to be configured + if config.exists(base_subnet + ['static-route']): + prefix = config.return_value(base_subnet + ['static-route', 'destination-subnet']) + router = config.return_value(base_subnet + ['static-route', 'router']) + config.delete(base_subnet + ['static-route']) + + config.set(base_subnet + ['static-route', prefix, 'next-hop'], value=router) + config.set_tag(base_subnet + ['static-route']) + + # T3838: rename dns-server -> name-server + if config.exists(base_subnet + ['dns-server']): + config.rename(base_subnet + ['dns-server'], 'name-server') + + + # T3672: ISC DHCP server only supports one failover peer + if config.exists(base_subnet + ['failover']): + # There can only be one failover configuration, if none is present + # we add the first one + if not config.exists(base + ['failover']): + local = config.return_value(base_subnet + ['failover', 'local-address']) + remote = config.return_value(base_subnet + ['failover', 'peer-address']) + status = config.return_value(base_subnet + ['failover', 'status']) + name = config.return_value(base_subnet + ['failover', 'name']) + + config.set(base + ['failover', 'remote'], value=remote) + config.set(base + ['failover', 'source-address'], value=local) + config.set(base + ['failover', 'status'], value=status) + config.set(base + ['failover', 'name'], value=name) + + config.delete(base_subnet + ['failover']) + config.set(base_subnet + ['enable-failover']) |