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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/>.
# Converts "system gateway-address" option to "protocols static route 0.0.0.0/0 next-hop $gw"
from vyos.configtree import ConfigTree
def migrate(config: ConfigTree) -> None:
if not config.exists(['system', 'gateway-address']):
# Nothing to do
return
# Save the address
gw = config.return_value(['system', 'gateway-address'])
# Create the node for the new syntax
# Note: next-hop is a tag node, gateway address is its child, not a value
config.set(['protocols', 'static', 'route', '0.0.0.0/0', 'next-hop', gw])
# Delete the node with the old syntax
config.delete(['system', 'gateway-address'])
# Now, the interesting part. Both route and next-hop are supposed to be tag nodes,
# which you can verify with "cli-shell-api isTag $configPath".
# They must be formatted as such to load correctly.
config.set_tag(['protocols', 'static', 'route'])
config.set_tag(['protocols', 'static', 'route', '0.0.0.0/0', 'next-hop'])
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