From a950059053f7394acfb453cc0d8194aa3dc721fa Mon Sep 17 00:00:00 2001
From: kumvijaya <kuvmijaya@gmail.com>
Date: Thu, 26 Sep 2024 11:31:07 +0530
Subject: T6732: added same as vyos 1x

---
 src/migration-scripts/dns-dynamic/3-to-4 | 57 ++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/migration-scripts/dns-dynamic/3-to-4

(limited to 'src/migration-scripts/dns-dynamic/3-to-4')

diff --git a/src/migration-scripts/dns-dynamic/3-to-4 b/src/migration-scripts/dns-dynamic/3-to-4
new file mode 100644
index 0000000..c8e1ffe
--- /dev/null
+++ b/src/migration-scripts/dns-dynamic/3-to-4
@@ -0,0 +1,57 @@
+# Copyright 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/>.
+
+# T5966:
+# - migrate "service dns dynamic name <service> address <interface>"
+#        to "service dns dynamic name <service> address interface <interface>"
+#      when <interface> != 'web'
+# - migrate "service dns dynamic name <service> web-options ..."
+#        to "service dns dynamic name <service> address web ..."
+#      when <interface> == 'web'
+
+from vyos.configtree import ConfigTree
+
+base_path = ['service', 'dns', 'dynamic', 'name']
+
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base_path):
+        # Nothing to do
+        return
+
+    for service in config.list_nodes(base_path):
+
+        service_path = base_path + [service]
+
+        if config.exists(service_path + ['address']):
+            address = config.return_value(service_path + ['address'])
+            # 'address' is not a leaf node anymore, delete it first
+            config.delete(service_path + ['address'])
+
+            # When address is an interface (not 'web'), move it to 'address interface'
+            if address != 'web':
+                config.set(service_path + ['address', 'interface'], address)
+
+            else: # address == 'web'
+                # Relocate optional 'web-options' directly under 'address web'
+                if config.exists(service_path + ['web-options']):
+                    # config.copy does not recursively create a path, so initialize it
+                    config.set(service_path + ['address'])
+                    config.copy(service_path + ['web-options'],
+                                service_path + ['address', 'web'])
+                    config.delete(service_path + ['web-options'])
+
+                # ensure that valueless 'address web' still exists even if there are no 'web-options'
+                if not config.exists(service_path + ['address', 'web']):
+                    config.set(service_path + ['address', 'web'])
-- 
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