diff options
Diffstat (limited to 'src/migration-scripts/interfaces/0-to-1')
| -rw-r--r-- | src/migration-scripts/interfaces/0-to-1 | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/migration-scripts/interfaces/0-to-1 b/src/migration-scripts/interfaces/0-to-1 new file mode 100644 index 0000000..7c135e7 --- /dev/null +++ b/src/migration-scripts/interfaces/0-to-1 @@ -0,0 +1,113 @@ +# 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/>. + +# Change syntax of bridge interface +# - move interface based bridge-group to actual bridge (de-nest) +# - make stp and igmp-snooping nodes valueless +# https://vyos.dev/T1556 + +from vyos.configtree import ConfigTree + +def migrate_bridge(config, tree, intf): + # check if bridge-group exists + tree_bridge = tree + ['bridge-group'] + if config.exists(tree_bridge): + bridge = config.return_value(tree_bridge + ['bridge']) + # create new bridge member interface + config.set(base + [bridge, 'member', 'interface', intf]) + # format as tag node to avoid loading problems + config.set_tag(base + [bridge, 'member', 'interface']) + + # cost: migrate if configured + tree_cost = tree + ['bridge-group', 'cost'] + if config.exists(tree_cost): + cost = config.return_value(tree_cost) + # set new node + config.set(base + [bridge, 'member', 'interface', intf, 'cost'], value=cost) + + # priority: migrate if configured + tree_priority = tree + ['bridge-group', 'priority'] + if config.exists(tree_priority): + priority = config.return_value(tree_priority) + # set new node + config.set(base + [bridge, 'member', 'interface', intf, 'priority'], value=priority) + + # Delete the old bridge-group assigned to an interface + config.delete(tree_bridge) + + +def migrate(config: ConfigTree) -> None: + base = ['interfaces', 'bridge'] + + if not config.exists(base): + # Nothing to do + return + + # + # make stp and igmp-snooping nodes valueless + # + for br in config.list_nodes(base): + # STP: check if enabled + if config.exists(base + [br, 'stp']): + stp_val = config.return_value(base + [br, 'stp']) + # STP: delete node with old syntax + config.delete(base + [br, 'stp']) + # STP: set new node - if enabled + if stp_val == "true": + config.set(base + [br, 'stp'], value=None) + + # igmp-snooping: check if enabled + if config.exists(base + [br, 'igmp-snooping', 'querier']): + igmp_val = config.return_value(base + [br, 'igmp-snooping', 'querier']) + # igmp-snooping: delete node with old syntax + config.delete(base + [br, 'igmp-snooping', 'querier']) + # igmp-snooping: set new node - if enabled + if igmp_val == "enable": + config.set(base + [br, 'igmp', 'querier'], value=None) + + # + # move interface based bridge-group to actual bridge (de-nest) + # + bridge_types = ['bonding', 'ethernet', 'l2tpv3', 'openvpn', 'vxlan', 'wireless'] + for type in bridge_types: + if not config.exists(['interfaces', type]): + continue + + for interface in config.list_nodes(['interfaces', type]): + # check if bridge-group exists + bridge_group = ['interfaces', type, interface] + if config.exists(bridge_group + ['bridge-group']): + migrate_bridge(config, bridge_group, interface) + + # We also need to migrate VLAN interfaces + vlan_base = ['interfaces', type, interface, 'vif'] + if config.exists(vlan_base): + for vlan in config.list_nodes(vlan_base): + intf = "{}.{}".format(interface, vlan) + migrate_bridge(config, vlan_base + [vlan], intf) + + # And then we have service VLANs (vif-s) interfaces + vlan_base = ['interfaces', type, interface, 'vif-s'] + if config.exists(vlan_base): + for vif_s in config.list_nodes(vlan_base): + intf = "{}.{}".format(interface, vif_s) + migrate_bridge(config, vlan_base + [vif_s], intf) + + # Every service VLAN can have multiple customer VLANs (vif-c) + vlan_c = ['interfaces', type, interface, 'vif-s', vif_s, 'vif-c'] + if config.exists(vlan_c): + for vif_c in config.list_nodes(vlan_c): + intf = "{}.{}.{}".format(interface, vif_s, vif_c) + migrate_bridge(config, vlan_c + [vif_c], intf) |