diff options
Diffstat (limited to 'src/migration-scripts/interfaces/4-to-5')
| -rw-r--r-- | src/migration-scripts/interfaces/4-to-5 | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/migration-scripts/interfaces/4-to-5 b/src/migration-scripts/interfaces/4-to-5 new file mode 100644 index 0000000..93fa7c3 --- /dev/null +++ b/src/migration-scripts/interfaces/4-to-5 @@ -0,0 +1,106 @@ +# Copyright 2019-2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# 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 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 +# Lesser General Public License for more details. +# +# 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/>. + +# De-nest PPPoE interfaces +# Migrate boolean nodes to valueless + +from vyos.configtree import ConfigTree + +def migrate_dialer(config, tree, intf): + for pppoe in config.list_nodes(tree): + # assemble string, 0 -> pppoe0 + new_base = ['interfaces', 'pppoe'] + pppoe_base = new_base + ['pppoe' + pppoe] + config.set(new_base) + # format as tag node to avoid loading problems + config.set_tag(new_base) + + # Copy the entire old node to the new one before migrating individual + # parts + config.copy(tree + [pppoe], pppoe_base) + + # Instead of letting the user choose between auto and none + # where auto is default, it makes more sesne to just offer + # an option to disable the default behavior (declutter CLI) + if config.exists(pppoe_base + ['name-server']): + tmp = config.return_value(pppoe_base + ['name-server']) + if tmp == "none": + config.set(pppoe_base + ['no-peer-dns']) + config.delete(pppoe_base + ['name-server']) + + # Migrate user-id and password nodes under an 'authentication' + # node + if config.exists(pppoe_base + ['user-id']): + user = config.return_value(pppoe_base + ['user-id']) + config.set(pppoe_base + ['authentication', 'user'], value=user) + config.delete(pppoe_base + ['user-id']) + + if config.exists(pppoe_base + ['password']): + pwd = config.return_value(pppoe_base + ['password']) + config.set(pppoe_base + ['authentication', 'password'], value=pwd) + config.delete(pppoe_base + ['password']) + + # remove enable-ipv6 node and rather place it under ipv6 node + if config.exists(pppoe_base + ['enable-ipv6']): + config.set(pppoe_base + ['ipv6', 'enable']) + config.delete(pppoe_base + ['enable-ipv6']) + + # Source interface migration + config.set(pppoe_base + ['source-interface'], value=intf) + + # Remove IPv6 router-advert nodes as this makes no sense on a + # client diale rinterface to send RAs back into the network + # https://vyos.dev/T2055 + ipv6_ra = pppoe_base + ['ipv6', 'router-advert'] + if config.exists(ipv6_ra): + config.delete(ipv6_ra) + +def migrate(config: ConfigTree) -> None: + pppoe_links = ['bonding', 'ethernet'] + + for link_type in pppoe_links: + if not config.exists(['interfaces', link_type]): + continue + + for interface in config.list_nodes(['interfaces', link_type]): + # check if PPPoE exists + base_if = ['interfaces', link_type, interface] + pppoe_if = base_if + ['pppoe'] + if config.exists(pppoe_if): + for dialer in config.list_nodes(pppoe_if): + migrate_dialer(config, pppoe_if, interface) + + # Delete old PPPoE interface + config.delete(pppoe_if) + + # bail out early if there are no VLAN interfaces to migrate + if not config.exists(base_if + ['vif']): + continue + + # Migrate PPPoE interfaces attached to a VLAN + for vlan in config.list_nodes(base_if + ['vif']): + vlan_if = base_if + ['vif', vlan] + pppoe_if = vlan_if + ['pppoe'] + if config.exists(pppoe_if): + for dialer in config.list_nodes(pppoe_if): + intf = "{}.{}".format(interface, vlan) + migrate_dialer(config, pppoe_if, intf) + + # Delete old PPPoE interface + config.delete(pppoe_if) + + # Add interface description that this is required for PPPoE + if not config.exists(vlan_if + ['description']): + config.set(vlan_if + ['description'], value='PPPoE link interface') |