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#!/usr/bin/env python3
#
# Copyright (C) 2021 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# - T3344: migrate routing options from "protocols vrf" to "vrf <name> protocols"
from sys import argv
from sys import exit
from vyos.configtree import ConfigTree
if len(argv) < 2:
print("Must specify file name!")
exit(1)
file_name = argv[1]
with open(file_name, 'r') as f:
config_file = f.read()
base = ['protocols', 'vrf']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
exit(0)
vrf_base = ['vrf', 'name']
config.set(vrf_base)
config.set_tag(vrf_base)
# Copy all existing static routes to the new base node under "vrf name <name> protocols static"
for vrf in config.list_nodes(base):
static_base = base + [vrf, 'static']
if not config.exists(static_base):
continue
new_static_base = vrf_base + [vrf, 'protocols']
config.set(new_static_base)
config.copy(static_base, new_static_base + ['static'])
config.set_tag(new_static_base + ['static', 'route'])
# Now delete the old configuration
config.delete(base)
try:
with open(file_name, 'w') as f:
f.write(config.to_string())
except OSError as e:
print("Failed to save the modified config: {}".format(e))
exit(1)

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