1 files changed, 51 insertions, 0 deletions
diff --git a/src/migration-scripts/dns-dynamic/1-to-2 b/src/migration-scripts/dns-dynamic/1-to-2
new file mode 100644
index 0000000..5dca9e3
--- /dev/null
+++ b/src/migration-scripts/dns-dynamic/1-to-2
@@ -0,0 +1,51 @@
+# 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/>.
+
+# T5708:
+# - migrate "service dns dynamic timeout ..."
+#        to "service dns dynamic interval ..."
+# - remove "service dns dynamic address <interface> web-options ..." when <interface> != "web"
+# - migrate "service dns dynamic address <interface> service <service> protocol dnsexit"
+#        to "service dns dynamic address <interface> service <service> protocol dnsexit2"
+
+from vyos.configtree import ConfigTree
+
+base_path = ['service', 'dns', 'dynamic']
+timeout_path = base_path + ['timeout']
+address_path = base_path + ['address']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base_path):
+        # Nothing to do
+        return
+
+    # Migrate "service dns dynamic timeout ..."
+    #      to "service dns dynamic interval ..."
+    if config.exists(timeout_path):
+        config.rename(timeout_path, 'interval')
+
+    # Remove "service dns dynamic address <interface> web-options ..." when <interface> != "web"
+    for address in config.list_nodes(address_path):
+        if config.exists(address_path + [address, 'web-options']) and address != 'web':
+            config.delete(address_path + [address, 'web-options'])
+
+    # Migrate "service dns dynamic address <interface> service <service> protocol dnsexit"
+    #      to "service dns dynamic address <interface> service <service> protocol dnsexit2"
+    for address in config.list_nodes(address_path):
+        for svc_cfg in config.list_nodes(address_path + [address, 'service']):
+            if config.exists(address_path + [address, 'service', svc_cfg, 'protocol']):
+                protocol = config.return_value(address_path + [address, 'service', svc_cfg, 'protocol'])
+                if protocol == 'dnsexit':
+                    config.set(address_path + [address, 'service', svc_cfg, 'protocol'], 'dnsexit2')