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

1 files changed, 11 insertions, 31 deletions

diff --git a/src/migration-scripts/interfaces/12-to-13 b/src/migration-scripts/interfaces/12-to-13
index ef1d93903..585deb898 100755..100644
--- a/src/migration-scripts/interfaces/12-to-13
+++ b/src/migration-scripts/interfaces/12-to-13
@@ -1,18 +1,17 @@
-#!/usr/bin/env python3
+# Copyright 2020-2024 VyOS maintainers and contributors <maintainers@vyos.io>
 #
-# Copyright (C) 2020 VyOS maintainers and contributors
+# 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 program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 or later as
-# published by the Free Software Foundation.
-#
-# This program is distributed in the hope that it will be useful,
+# 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 General Public License for more details.
+# 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 General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# 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/>.
 
 # - T2903: Change vif-s ethertype from numeric number to literal
 #   - 0x88a8 -> 802.1ad
@@ -20,20 +19,9 @@
 # - T2905: Change WWAN "ondemand" node to "connect-on-demand" to have identical
 #   CLI nodes for both types of dialer interfaces
 
-from sys import exit, argv
 from vyos.configtree import ConfigTree
 
-if __name__ == '__main__':
-    if len(argv) < 2:
-        print("Must specify file name!")
-        exit(1)
-
-    file_name = argv[1]
-    with open(file_name, 'r') as f:
-        config_file = f.read()
-
-    config = ConfigTree(config_file)
-
+def migrate(config: ConfigTree) -> None:
     #
     # T2903
     #
@@ -61,11 +49,3 @@ if __name__ == '__main__':
         for interface in config.list_nodes(wwan_base):
             if config.exists(wwan_base + [interface, 'ondemand']):
                 config.rename(wwan_base + [interface, 'ondemand'], 'connect-on-demand')
-
-    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))
-        exit(1)
-