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# Copyright 2025 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/>.
# T6989:
# - remove syslog arbitrary file logging
# - remove syslog user console logging
# - move "global preserve-fqdn" one CLI level up
# - rename "host" to "remote"
from vyos.configtree import ConfigTree
base = ['system', 'syslog']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
return
# Drop support for custom file logging
if config.exists(base + ['file']):
config.delete(base + ['file'])
# Drop support for logging to a user tty
# This should be dynamically added via an op-mode command like "terminal monitor"
if config.exists(base + ['user']):
config.delete(base + ['user'])
# Move "global preserve-fqdn" one CLI level up, as it relates to all
# logging targets (console, global and remote)
preserve_fqdn_base = base + ['global', 'preserve-fqdn']
if config.exists(preserve_fqdn_base):
config.delete(preserve_fqdn_base)
config.set(base + ['preserve-fqdn'])
# Move "global marker" one CLI level up, as it relates to all
# logging targets (console, global and remote)
marker_base = base + ['global', 'marker']
if config.exists(marker_base):
config.copy(marker_base, base + ['marker'])
config.delete(marker_base)
# Rename "global" -> "local" as this describes what is logged locally
# on the router to a file on the filesystem
if config.exists(base + ['global']):
config.rename(base + ['global'], 'local')
vrf = ''
if config.exists(base + ['vrf']):
vrf = config.return_value(base + ['vrf'])
config.delete(base + ['vrf'])
# Rename host x.x.x.x -> remote x.x.x.x
if config.exists(base + ['host']):
config.set(base + ['remote'])
config.set_tag(base + ['remote'])
for remote in config.list_nodes(base + ['host']):
config.copy(base + ['host', remote], base + ['remote', remote])
config.set_tag(base + ['remote'])
if vrf:
config.set(base + ['remote', remote, 'vrf'], value=vrf)
config.delete(base + ['host'])
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