# Copyright 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/>.

# Delete node 'driver' and 'xdp-options' from CLI (T8202)


from vyos.configtree import ConfigTree

base = ['vpp', 'settings', 'interface']

def migrate(config: ConfigTree) -> None:
    if not config.exists(base):
        # Nothing to do
        return

    for iface_name in config.list_nodes(base):
        base_driver = base + [iface_name, 'driver']
        base_xdp_options = base + [iface_name, 'xdp-options']
        if config.exists(base_driver):
            # Delete 'driver' node
            config.delete(base_driver)
        if config.exists(base_xdp_options):
            config.delete(base_xdp_options)