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# Copyright (C) 2024-2025 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 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/>.
# From
# set firewall zone <zone> interface RED
# set firewall zone <zone> interface eth0
# To
# set firewall zone <zone> member vrf RED
# set firewall zone <zone> member interface eth0
from vyos.configtree import ConfigTree
base = ['firewall', 'zone']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
# Nothing to do
return
for zone in config.list_nodes(base):
zone_iface_base = base + [zone, 'interface']
zone_member_base = base + [zone, 'member']
if config.exists(zone_iface_base):
for iface in config.return_values(zone_iface_base):
if config.exists(['vrf', 'name', iface]):
config.set(zone_member_base + ['vrf'], value=iface, replace=False)
else:
config.set(zone_member_base + ['interface'], value=iface, replace=False)
config.delete(zone_iface_base)
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