# Copyright 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.
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# This library is distributed in the hope that it will be useful,
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# Lesser General Public License for more details.
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# T6648: Rename "common-options" to "option" at shared-network level

from vyos.configtree import ConfigTree

base = ['service', 'dhcpv6-server', 'shared-network-name']

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

    for network in config.list_nodes(base):
        if not config.exists(base + [network, 'common-options']):
            continue

        config.rename(base + [network, 'common-options'], 'option')