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# 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 'vpp settings interface ethX xdp-options no-syscall-lock'
# since it is set automatically
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):
xdp_options_base = base + [iface_name, 'xdp-options']
if config.exists(xdp_options_base + ['no-syscall-lock']):
# Delete no-syscall-lock option from configuration
config.delete(xdp_options_base + ['no-syscall-lock'])
if config.exists(xdp_options_base) and len(config.list_nodes(xdp_options_base)) == 0:
config.delete(xdp_options_base)
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