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# Copyright 2018-2024 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/>.
# Delete "set service dhcp-relay relay-options port" option
# Delete "set service dhcpv6-relay listen-port" option
from vyos.configtree import ConfigTree
def migrate(config: ConfigTree) -> None:
if not (config.exists(['service', 'dhcp-relay', 'relay-options', 'port']) or config.exists(['service', 'dhcpv6-relay', 'listen-port'])):
# Nothing to do
return
# Delete abandoned node
config.delete(['service', 'dhcp-relay', 'relay-options', 'port'])
# Delete abandoned node
config.delete(['service', 'dhcpv6-relay', 'listen-port'])
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