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# Copyright 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/>.
# T4251:
# - drop "tls enable" node (make "tls" a standalone key)
# - split "tls permitted-peers" list by commas into multiple "tls permitted-peer" entries
from vyos.configtree import ConfigTree
base = ['system', 'syslog', 'remote']
def migrate(config: ConfigTree) -> None:
if not config.exists(base):
return
# Iterate over all remote syslog server entries (like 172.18.0.5)
for remote_addr in config.list_nodes(base):
remote_base = base + [remote_addr]
tls_base = remote_base + ['tls']
# (1) Remove "tls enable" -> migrate to simple "tls"
enable_path = tls_base + ['enable']
if config.exists(enable_path):
# Remove obsolete "enable" node
config.delete(enable_path)
# (2) Split "tls permitted-peers" (comma-separated string)
permitted_peers_path = tls_base + ['permitted-peers']
if config.exists(permitted_peers_path):
peers_str = config.return_value(permitted_peers_path)
# Split CSV values and normalize whitespace
peers = [p.strip() for p in peers_str.split(',') if p.strip()]
# Create a new "permitted-peer" entry per item
for peer in peers:
config.set(tls_base + ['permitted-peer'], value=peer, replace=False)
# Remove the old combined node
config.delete(permitted_peers_path)
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