# Copyright 2020-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
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# Lesser General Public License for more details.
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# T3048: remove smp-affinity node from ethernet and use tuned instead

from vyos.configtree import ConfigTree

def migrate(config: ConfigTree) -> None:
    base = ['interfaces', 'ethernet']

    if not config.exists(base):
        # Nothing to do
        return

    migrate = False
    for interface in config.list_nodes(base):
        smp_base = base + [interface, 'smp-affinity']
        # if any one interface had smp-affinity configured manually, we will
        # configure "system option performance"
        if config.exists(smp_base):
            if config.return_value(smp_base) != 'auto':
                migrate = True
            config.delete(smp_base)

    if migrate:
        config.set(['system', 'options', 'performance'], value='throughput')