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# Copyright 2021-2024 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/>.
from vyos.configtree import ConfigTree
base = ['system', 'sysctl']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
# Nothing to do
return
for all_custom in ['all', 'custom']:
if config.exists(base + [all_custom]):
for key in config.list_nodes(base + [all_custom]):
tmp = config.return_value(base + [all_custom, key, 'value'])
config.set(base + ['parameter', key, 'value'], value=tmp)
config.set_tag(base + ['parameter'])
config.delete(base + [all_custom])
for ipv4_param in ['net.ipv4.igmp_max_memberships', 'net.ipv4.ipfrag_time']:
if config.exists(base + [ipv4_param]):
tmp = config.return_value(base + [ipv4_param])
config.set(base + ['parameter', ipv4_param, 'value'], value=tmp)
config.set_tag(base + ['parameter'])
config.delete(base + [ipv4_param])
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