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# Copyright 2022-2024 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/>.
# re-organize route-map as-path
from vyos.configtree import ConfigTree
base = ['policy', 'route-map']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
# Nothing to do
return
for route_map in config.list_nodes(base):
# Bail out Early
if not config.exists(base + [route_map, 'rule']):
continue
for rule in config.list_nodes(base + [route_map, 'rule']):
rule_base = base + [route_map, 'rule', rule]
if config.exists(rule_base + ['set', 'as-path-exclude']):
tmp = config.return_value(rule_base + ['set', 'as-path-exclude'])
config.delete(rule_base + ['set', 'as-path-exclude'])
config.set(rule_base + ['set', 'as-path', 'exclude'], value=tmp)
if config.exists(rule_base + ['set', 'as-path-prepend']):
tmp = config.return_value(rule_base + ['set', 'as-path-prepend'])
config.delete(rule_base + ['set', 'as-path-prepend'])
config.set(rule_base + ['set', 'as-path', 'prepend'], value=tmp)
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