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

(cherry picked from commit 26740a8d583f64dc0a27b59dd4ae303056972c0b)

1 files changed, 40 insertions, 55 deletions

diff --git a/src/migration-scripts/interfaces/30-to-31 b/src/migration-scripts/interfaces/30-to-31
index 894106ef4..7e509dd86 100755..100644
--- a/src/migration-scripts/interfaces/30-to-31
+++ b/src/migration-scripts/interfaces/30-to-31
@@ -1,71 +1,56 @@
 #!/usr/bin/env python3
+# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io>
 #
-# Copyright (C) 2021-2023 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.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
 #
-# Deletes Wireguard peers if they have the same public key as the router has.
+# 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/>.
+
+# T5254: Fixed changing ethernet when it is a bond member
 
 import json
-from sys import argv
-from sys import exit
 from vyos.configtree import ConfigTree
 from vyos.ifconfig import EthernetIf
 from vyos.ifconfig import BondIf
 from vyos.utils.dict import dict_to_paths_values
 
-if len(argv) < 2:
-    print("Must specify file name!")
-    exit(1)
+base = ['interfaces', 'bonding']
 
-file_name = argv[1]
-with open(file_name, 'r') as f:
-    config_file = f.read()
-    base = ['interfaces', 'bonding']
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
 
-config = ConfigTree(config_file)
-if not config.exists(base):
-    # Nothing to do
-    exit(0)
-for bond in config.list_nodes(base):
-    member_base = base + [bond, 'member', 'interface']
-    if config.exists(member_base):
-        for interface in config.return_values(member_base):
-            if_base = ['interfaces', 'ethernet', interface]
-            if config.exists(if_base):
-                config_ethernet = json.loads(config.get_subtree(if_base).to_json())
-                eth_dict_paths = dict_to_paths_values(config_ethernet)
-                for option_path, option_value in eth_dict_paths.items():
-                    # If option is allowed for changing then continue
-                    converted_path = option_path.replace('-','_')
-                    if converted_path in EthernetIf.get_bond_member_allowed_options():
-                        continue
-                    # if option is inherited from bond then continue
-                    if converted_path in BondIf.get_inherit_bond_options():
-                        continue
-                    option_path_list = option_path.split('.')
-                    config.delete(if_base + option_path_list)
-                    del option_path_list[-1]
-                    # delete empty node from config
-                    while len(option_path_list) > 0:
-                        if config.list_nodes(if_base + option_path_list):
-                            break
+    for bond in config.list_nodes(base):
+        member_base = base + [bond, 'member', 'interface']
+        if config.exists(member_base):
+            for interface in config.return_values(member_base):
+                if_base = ['interfaces', 'ethernet', interface]
+                if config.exists(if_base):
+                    config_ethernet = json.loads(config.get_subtree(if_base).to_json())
+                    eth_dict_paths = dict_to_paths_values(config_ethernet)
+                    for option_path, option_value in eth_dict_paths.items():
+                        # If option is allowed for changing then continue
+                        converted_path = option_path.replace('-','_')
+                        if converted_path in EthernetIf.get_bond_member_allowed_options():
+                            continue
+                        # if option is inherited from bond then continue
+                        if converted_path in BondIf.get_inherit_bond_options():
+                            continue
+                        option_path_list = option_path.split('.')
                         config.delete(if_base + option_path_list)
                         del option_path_list[-1]
-
-try:
-    with open(file_name, 'w') as f:
-        f.write(config.to_string())
-except OSError as e:
-    print(f'Failed to save the modified config: {e}')
-    exit(1)
+                        # delete empty node from config
+                        while len(option_path_list) > 0:
+                            if config.list_nodes(if_base + option_path_list):
+                                break
+                            config.delete(if_base + option_path_list)
+                            del option_path_list[-1]