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

(cherry picked from commit 26740a8d583f64dc0a27b59dd4ae303056972c0b)

1 files changed, 18 insertions, 37 deletions

diff --git a/src/migration-scripts/ipsec/4-to-5 b/src/migration-scripts/ipsec/4-to-5
index 772d05787..a88a543d3 100755..100644
--- a/src/migration-scripts/ipsec/4-to-5
+++ b/src/migration-scripts/ipsec/4-to-5
@@ -1,47 +1,28 @@
-#!/usr/bin/env python3
+# Copyright 2019-2024 VyOS maintainers and contributors <maintainers@vyos.io>
 #
-# Copyright (C) 2019 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/>.
 
 # log-modes have changed, keyword  all to any
 
-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]
-
-with open(file_name, 'r') as f:
-    config_file = f.read()
-
-ctree = ConfigTree(config_file)
-
-if not ctree.exists(['vpn', 'ipsec', 'logging','log-modes']):
-    # Nothing to do
-    sys.exit(0)
-else:
-  lmodes = ctree.return_values(['vpn', 'ipsec', 'logging','log-modes'])
-  for mode in lmodes:
-    if mode == 'all':
-      ctree.set(['vpn', 'ipsec', 'logging','log-modes'], value='any', replace=True)
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(['vpn', 'ipsec', 'logging','log-modes']):
+        # Nothing to do
+        return
 
-  try:
-    open(file_name,'w').write(ctree.to_string())
-  except OSError as e:
-    print("Failed to save the modified config: {}".format(e))
-    sys.exit(1)
+    lmodes = config.return_values(['vpn', 'ipsec', 'logging','log-modes'])
+    for mode in lmodes:
+        if mode == 'all':
+            config.set(['vpn', 'ipsec', 'logging','log-modes'], value='any', replace=True)