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

1 files changed, 31 insertions, 51 deletions

diff --git a/src/migration-scripts/pptp/4-to-5 b/src/migration-scripts/pptp/4-to-5
index 83632b6d8..c906f58c4 100755..100644
--- a/src/migration-scripts/pptp/4-to-5
+++ b/src/migration-scripts/pptp/4-to-5
@@ -1,63 +1,43 @@
-#!/usr/bin/env python3
+# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io>
 #
-# Copyright (C) 2024 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/>.
 
 # - Move 'require' from 'protocols' in  'authentication' node
 # - Migrate to new default values in radius timeout and acct-timeout
 
-from sys import argv
-from sys import exit
 from vyos.configtree import ConfigTree
 
-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)
 base = ['vpn', 'pptp', 'remote-access']
 
-if not config.exists(base):
-    exit(0)
-
-#migrate require to protocols
-require_path = base + ['authentication', 'require']
-if config.exists(require_path):
-    protocols = list(config.return_values(require_path))
-    for protocol in protocols:
-        config.set(base + ['authentication', 'protocols'], value=protocol,
-                   replace=False)
-    config.delete(require_path)
-else:
-    config.set(base + ['authentication', 'protocols'], value='mschap-v2')
-
-radius_path = base + ['authentication', 'radius']
-if config.exists(radius_path):
-    if not config.exists(radius_path + ['timeout']):
-        config.set(radius_path + ['timeout'], value=3)
-    if not config.exists(radius_path + ['acct-timeout']):
-        config.set(radius_path + ['acct-timeout'], value=3)
-
-
-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)
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        return
+
+    #migrate require to protocols
+    require_path = base + ['authentication', 'require']
+    if config.exists(require_path):
+        protocols = list(config.return_values(require_path))
+        for protocol in protocols:
+            config.set(base + ['authentication', 'protocols'], value=protocol,
+                       replace=False)
+        config.delete(require_path)
+    else:
+        config.set(base + ['authentication', 'protocols'], value='mschap-v2')
+
+    radius_path = base + ['authentication', 'radius']
+    if config.exists(radius_path):
+        if not config.exists(radius_path + ['timeout']):
+            config.set(radius_path + ['timeout'], value=3)
+        if not config.exists(radius_path + ['acct-timeout']):
+            config.set(radius_path + ['acct-timeout'], value=3)