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-rw-r--r--[-rwxr-xr-x]src/migration-scripts/dhcp-server/6-to-794
1 files changed, 38 insertions, 56 deletions
diff --git a/src/migration-scripts/dhcp-server/6-to-7 b/src/migration-scripts/dhcp-server/6-to-7
index e6c298a60..4e6583a31 100755..100644
--- a/src/migration-scripts/dhcp-server/6-to-7
+++ b/src/migration-scripts/dhcp-server/6-to-7
@@ -1,76 +1,58 @@
-#!/usr/bin/env python3
+# Copyright 2022-2024 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/>.
# T6079: Disable duplicate static mappings
-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()
-
base = ['service', 'dhcp-server']
-config = ConfigTree(config_file)
-
-if not config.exists(base + ['shared-network-name']):
- # Nothing to do
- exit(0)
-# Run this for every instance if 'shared-network-name'
-for network in config.list_nodes(base + ['shared-network-name']):
- base_network = base + ['shared-network-name', network]
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base + ['shared-network-name']):
+ # Nothing to do
+ return
- if not config.exists(base_network + ['subnet']):
- continue
+ # Run this for every instance if 'shared-network-name'
+ for network in config.list_nodes(base + ['shared-network-name']):
+ base_network = base + ['shared-network-name', network]
- for subnet in config.list_nodes(base_network + ['subnet']):
- base_subnet = base_network + ['subnet', subnet]
+ if not config.exists(base_network + ['subnet']):
+ continue
- if config.exists(base_subnet + ['static-mapping']):
- used_mac = []
- used_ip = []
+ for subnet in config.list_nodes(base_network + ['subnet']):
+ base_subnet = base_network + ['subnet', subnet]
- for mapping in config.list_nodes(base_subnet + ['static-mapping']):
- base_mapping = base_subnet + ['static-mapping', mapping]
+ if config.exists(base_subnet + ['static-mapping']):
+ used_mac = []
+ used_ip = []
- if config.exists(base_mapping + ['mac-address']):
- mac = config.return_value(base_mapping + ['mac-address'])
+ for mapping in config.list_nodes(base_subnet + ['static-mapping']):
+ base_mapping = base_subnet + ['static-mapping', mapping]
- if mac in used_mac:
- config.set(base_mapping + ['disable'])
- else:
- used_mac.append(mac)
+ if config.exists(base_mapping + ['mac-address']):
+ mac = config.return_value(base_mapping + ['mac-address'])
- if config.exists(base_mapping + ['ip-address']):
- ip = config.return_value(base_mapping + ['ip-address'])
+ if mac in used_mac:
+ config.set(base_mapping + ['disable'])
+ else:
+ used_mac.append(mac)
- if ip in used_ip:
- config.set(base_subnet + ['static-mapping', mapping, 'disable'])
- else:
- used_ip.append(ip)
+ if config.exists(base_mapping + ['ip-address']):
+ ip = config.return_value(base_mapping + ['ip-address'])
-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)
+ if ip in used_ip:
+ config.set(base_subnet + ['static-mapping', mapping, 'disable'])
+ else:
+ used_ip.append(ip)