migration: T6007: convert all migration scripts to load as module

1 files changed, 19 insertions, 22 deletions

diff --git a/src/migration-scripts/system/11-to-12 b/src/migration-scripts/system/11-to-12
index 880ab56dc..71c359b7e 100755..100644
--- a/src/migration-scripts/system/11-to-12
+++ b/src/migration-scripts/system/11-to-12
@@ -1,28 +1,32 @@
-#!/usr/bin/env python3
+# Copyright 2019-2024 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/>.
 
 # Unclutter RADIUS configuration
 #
 # Move radius-server top level tag nodes to a regular node which allows us
 # to specify additional general features for the RADIUS client.
 
-import sys
 from vyos.configtree import ConfigTree
 
-if len(sys.argv) < 2:
-    print("Must specify file name!")
-    sys.exit(1)
-
-file_name = sys.argv[1]
+cfg_base = ['system', 'login']
 
-with open(file_name, 'r') as f:
-    config_file = f.read()
+def migrate(config: ConfigTree) -> None:
+    if not (config.exists(cfg_base + ['radius-server']) or config.exists(cfg_base + ['radius-source-address'])):
+        # Nothing to do
+        return
 
-config = ConfigTree(config_file)
-cfg_base = ['system', 'login']
-if not (config.exists(cfg_base + ['radius-server']) or config.exists(cfg_base + ['radius-source-address'])):
-    # Nothing to do
-    sys.exit(0)
-else:
     #
     # Migrate "system login radius-source-address" to "system login radius"
     #
@@ -63,10 +67,3 @@ else:
         # delete top level tag node
         if config.exists(cfg_base + ['radius-server']):
             config.delete(cfg_base + ['radius-server'])
-
-    try:
-        with open(file_name, 'w') as f:
-            f.write(config.to_string())
-    except OSError as e:
-        print("Failed to save the modified config: {}".format(e))
-        sys.exit(1)