# 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 smp_affinity to smp-affinity

from vyos.configtree import ConfigTree

def migrate(config: ConfigTree) -> None:
    intf_types = config.list_nodes(["interfaces"])

    for intf_type in intf_types:
        intf_type_path = ["interfaces", intf_type]
        intfs = config.list_nodes(intf_type_path)

        for intf in intfs:
            intf_path = intf_type_path + [intf]
            if not config.exists(intf_path + ["smp_affinity"]):
                # Nothing to do.
                continue
            else:
                # Rename the node.
                old_smp_affinity_path = intf_path + ["smp_affinity"]
                config.rename(old_smp_affinity_path, "smp-affinity")
                update_required = True