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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/>.
import os
from sys import exit, argv
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 = ['system', 'sysctl']
config = ConfigTree(config_file)
if not config.exists(base):
# Nothing to do
exit(0)
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])
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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