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# Copyright 2022-2024 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/>.
# T2199: Migrate interface firewall nodes to firewall interfaces <ifname> <direction> name/ipv6-name <name>
# T2199: Migrate zone-policy to firewall node
from vyos.configtree import ConfigTree
base = ['firewall']
zone_base = ['zone-policy']
def migrate_interface(config, iftype, ifname, vif=None, vifs=None, vifc=None):
if_path = ['interfaces', iftype, ifname]
ifname_full = ifname
if vif:
if_path += ['vif', vif]
ifname_full = f'{ifname}.{vif}'
elif vifs:
if_path += ['vif-s', vifs]
ifname_full = f'{ifname}.{vifs}'
if vifc:
if_path += ['vif-c', vifc]
ifname_full = f'{ifname}.{vifs}.{vifc}'
if not config.exists(if_path + ['firewall']):
return
if not config.exists(['firewall', 'interface']):
config.set(['firewall', 'interface'])
config.set_tag(['firewall', 'interface'])
config.copy(if_path + ['firewall'], ['firewall', 'interface', ifname_full])
config.delete(if_path + ['firewall'])
def migrate(config: ConfigTree) -> None:
if not config.exists(base) and not config.exists(zone_base):
# Nothing to do
return
for iftype in config.list_nodes(['interfaces']):
for ifname in config.list_nodes(['interfaces', iftype]):
migrate_interface(config, iftype, ifname)
if config.exists(['interfaces', iftype, ifname, 'vif']):
for vif in config.list_nodes(['interfaces', iftype, ifname, 'vif']):
migrate_interface(config, iftype, ifname, vif=vif)
if config.exists(['interfaces', iftype, ifname, 'vif-s']):
for vifs in config.list_nodes(['interfaces', iftype, ifname, 'vif-s']):
migrate_interface(config, iftype, ifname, vifs=vifs)
if config.exists(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']):
for vifc in config.list_nodes(['interfaces', iftype, ifname, 'vif-s', vifs, 'vif-c']):
migrate_interface(config, iftype, ifname, vifs=vifs, vifc=vifc)
if config.exists(zone_base + ['zone']):
config.set(['firewall', 'zone'])
config.set_tag(['firewall', 'zone'])
for zone in config.list_nodes(zone_base + ['zone']):
if 'interface' in config.list_nodes(zone_base + ['zone', zone]):
for iface in config.return_values(zone_base + ['zone', zone, 'interface']):
if '+' in iface:
config.delete_value(zone_base + ['zone', zone, 'interface'], value=iface)
iface = iface.replace('+', '*')
config.set(zone_base + ['zone', zone, 'interface'], value=iface, replace=False)
config.copy(zone_base + ['zone', zone], ['firewall', 'zone', zone])
config.delete(zone_base)
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