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-rw-r--r--[-rwxr-xr-x]src/migration-scripts/system/18-to-19151
1 files changed, 65 insertions, 86 deletions
diff --git a/src/migration-scripts/system/18-to-19 b/src/migration-scripts/system/18-to-19
index fad1d17a4..5d9788d70 100755..100644
--- a/src/migration-scripts/system/18-to-19
+++ b/src/migration-scripts/system/18-to-19
@@ -1,102 +1,81 @@
-#!/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.
-#
-# 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.
#
+# 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/>.
# migrate disable-dhcp-nameservers (boolean) to name-servers-dhcp <interface>
# if disable-dhcp-nameservers is set, just remove it
# else retrieve all interface names that have configured dhcp(v6) address and
# add them to the new name-servers-dhcp node
-from sys import argv, exit
from vyos.ifconfig import Interface
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 = ['system']
-if not config.exists(base):
- # Nothing to do
- exit(0)
-
-if config.exists(base + ['disable-dhcp-nameservers']):
- config.delete(base + ['disable-dhcp-nameservers'])
-else:
- dhcp_interfaces = []
-
- # go through all interfaces searching for 'address dhcp(v6)?'
- for sect in Interface.sections():
- sect_base = ['interfaces', sect]
-
- if not config.exists(sect_base):
- continue
- for intf in config.list_nodes(sect_base):
- intf_base = sect_base + [intf]
-
- # try without vlans
- if config.exists(intf_base + ['address']):
- for addr in config.return_values(intf_base + ['address']):
- if addr in ['dhcp', 'dhcpv6']:
- dhcp_interfaces.append(intf)
-
- # try vif
- if config.exists(intf_base + ['vif']):
- for vif in config.list_nodes(intf_base + ['vif']):
- vif_base = intf_base + ['vif', vif]
- if config.exists(vif_base + ['address']):
- for addr in config.return_values(vif_base + ['address']):
- if addr in ['dhcp', 'dhcpv6']:
- dhcp_interfaces.append(f'{intf}.{vif}')
-
- # try vif-s
- if config.exists(intf_base + ['vif-s']):
- for vif_s in config.list_nodes(intf_base + ['vif-s']):
- vif_s_base = intf_base + ['vif-s', vif_s]
- if config.exists(vif_s_base + ['address']):
- for addr in config.return_values(vif_s_base + ['address']):
- if addr in ['dhcp', 'dhcpv6']:
- dhcp_interfaces.append(f'{intf}.{vif_s}')
-
- # try vif-c
- if config.exists(intf_base + ['vif-c']):
- for vif_c in config.list_nodes(vif_s_base + ['vif-c']):
- vif_c_base = vif_s_base + ['vif-c', vif_c]
- if config.exists(vif_c_base + ['address']):
- for addr in config.return_values(vif_c_base + ['address']):
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
+
+ if config.exists(base + ['disable-dhcp-nameservers']):
+ config.delete(base + ['disable-dhcp-nameservers'])
+ else:
+ dhcp_interfaces = []
+
+ # go through all interfaces searching for 'address dhcp(v6)?'
+ for sect in Interface.sections():
+ sect_base = ['interfaces', sect]
+
+ if not config.exists(sect_base):
+ continue
+
+ for intf in config.list_nodes(sect_base):
+ intf_base = sect_base + [intf]
+
+ # try without vlans
+ if config.exists(intf_base + ['address']):
+ for addr in config.return_values(intf_base + ['address']):
+ if addr in ['dhcp', 'dhcpv6']:
+ dhcp_interfaces.append(intf)
+
+ # try vif
+ if config.exists(intf_base + ['vif']):
+ for vif in config.list_nodes(intf_base + ['vif']):
+ vif_base = intf_base + ['vif', vif]
+ if config.exists(vif_base + ['address']):
+ for addr in config.return_values(vif_base + ['address']):
if addr in ['dhcp', 'dhcpv6']:
- dhcp_interfaces.append(f'{intf}.{vif_s}.{vif_c}')
-
- # set new config nodes
- for intf in dhcp_interfaces:
- config.set(base + ['name-servers-dhcp'], value=intf, replace=False)
-
-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)
-
-exit(0)
+ dhcp_interfaces.append(f'{intf}.{vif}')
+
+ # try vif-s
+ if config.exists(intf_base + ['vif-s']):
+ for vif_s in config.list_nodes(intf_base + ['vif-s']):
+ vif_s_base = intf_base + ['vif-s', vif_s]
+ if config.exists(vif_s_base + ['address']):
+ for addr in config.return_values(vif_s_base + ['address']):
+ if addr in ['dhcp', 'dhcpv6']:
+ dhcp_interfaces.append(f'{intf}.{vif_s}')
+
+ # try vif-c
+ if config.exists(intf_base + ['vif-c']):
+ for vif_c in config.list_nodes(vif_s_base + ['vif-c']):
+ vif_c_base = vif_s_base + ['vif-c', vif_c]
+ if config.exists(vif_c_base + ['address']):
+ for addr in config.return_values(vif_c_base + ['address']):
+ if addr in ['dhcp', 'dhcpv6']:
+ dhcp_interfaces.append(f'{intf}.{vif_s}.{vif_c}')
+
+ # set new config nodes
+ for intf in dhcp_interfaces:
+ config.set(base + ['name-servers-dhcp'], value=intf, replace=False)