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# Copyright 2023-2024 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/>.
# T3008: move from ntpd to chrony and migrate "system ntp" to "service ntp"
from vyos.configtree import ConfigTree
base_path = ['system', 'ntp']
new_base_path = ['service', 'ntp']
def migrate(config: ConfigTree) -> None:
if not config.exists(base_path):
# Nothing to do
return
# config.copy does not recursively create a path, so create ['service'] if
# it doesn't yet exist, such as for config.boot.default
if not config.exists(['service']):
config.set(['service'])
# copy "system ntp" to "service ntp"
config.copy(base_path, new_base_path)
config.delete(base_path)
# chrony does not support the preempt option, drop it
for server in config.list_nodes(new_base_path + ['server']):
server_base = new_base_path + ['server', server]
if config.exists(server_base + ['preempt']):
config.delete(server_base + ['preempt'])
# Rename "allow-clients" -> "allow-client"
if config.exists(new_base_path + ['allow-clients']):
config.rename(new_base_path + ['allow-clients'], 'allow-client')
# By default VyOS 1.3 allowed NTP queries for all networks - in chrony we
# explicitly disable this behavior and clients need to be specified using the
# allow-client CLI option. In order to be fully backwards compatible, we specify
# 0.0.0.0/0 and ::/0 as allow networks if not specified otherwise explicitly.
if not config.exists(new_base_path + ['allow-client']):
config.set(new_base_path + ['allow-client', 'address'], value='0.0.0.0/0', replace=False)
config.set(new_base_path + ['allow-client', 'address'], value='::/0', replace=False)
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