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-rw-r--r--[-rwxr-xr-x]src/migration-scripts/firewall/5-to-6160
1 files changed, 70 insertions, 90 deletions
diff --git a/src/migration-scripts/firewall/5-to-6 b/src/migration-scripts/firewall/5-to-6
index e1eaea7a1..d01684787 100755..100644
--- a/src/migration-scripts/firewall/5-to-6
+++ b/src/migration-scripts/firewall/5-to-6
@@ -1,105 +1,85 @@
-#!/usr/bin/env python3
+# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io>
#
-# Copyright (C) 2021 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/>.
# T3090: migrate "firewall options interface <name> adjust-mss" to the
# individual interface.
-from sys import argv
-from sys import exit
-
from vyos.configtree import ConfigTree
from vyos.ifconfig import Section
-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()
-
base = ['firewall', 'options', 'interface']
-config = ConfigTree(config_file)
-
-if not config.exists(base):
- # Nothing to do
- exit(0)
-
-for interface in config.list_nodes(base):
- if config.exists(base + [interface, 'disable']):
- continue
- if config.exists(base + [interface, 'adjust-mss']):
- section = Section.section(interface)
- tmp = config.return_value(base + [interface, 'adjust-mss'])
-
- vlan = interface.split('.')
- base_interface_path = ['interfaces', section, vlan[0]]
-
- if len(vlan) == 1:
- # Normal interface, no VLAN
- config.set(base_interface_path + ['ip', 'adjust-mss'], value=tmp)
- elif len(vlan) == 2:
- # Regular VIF or VIF-S interface - we need to check the config
- vif = vlan[1]
- if config.exists(base_interface_path + ['vif', vif]):
- config.set(base_interface_path + ['vif', vif, 'ip', 'adjust-mss'], value=tmp)
- elif config.exists(base_interface_path + ['vif-s', vif]):
- config.set(base_interface_path + ['vif-s', vif, 'ip', 'adjust-mss'], value=tmp)
- elif len(vlan) == 3:
- # VIF-S interface with VIF-C subinterface
- vif_s = vlan[1]
- vif_c = vlan[2]
- config.set(base_interface_path + ['vif-s', vif_s, 'vif-c', vif_c, 'ip', 'adjust-mss'], value=tmp)
- config.set_tag(base_interface_path + ['vif-s'])
- config.set_tag(base_interface_path + ['vif-s', vif_s, 'vif-c'])
-
- if config.exists(base + [interface, 'adjust-mss6']):
- section = Section.section(interface)
- tmp = config.return_value(base + [interface, 'adjust-mss6'])
-
- vlan = interface.split('.')
- base_interface_path = ['interfaces', section, vlan[0]]
-
- if len(vlan) == 1:
- # Normal interface, no VLAN
- config.set(['interfaces', section, interface, 'ipv6', 'adjust-mss'], value=tmp)
- elif len(vlan) == 2:
- # Regular VIF or VIF-S interface - we need to check the config
- vif = vlan[1]
- if config.exists(base_interface_path + ['vif', vif]):
- config.set(base_interface_path + ['vif', vif, 'ipv6', 'adjust-mss'], value=tmp)
- config.set_tag(base_interface_path + ['vif'])
- elif config.exists(base_interface_path + ['vif-s', vif]):
- config.set(base_interface_path + ['vif-s', vif, 'ipv6', 'adjust-mss'], value=tmp)
+def migrate(config: ConfigTree) -> None:
+ if not config.exists(base):
+ # Nothing to do
+ return
+
+ for interface in config.list_nodes(base):
+ if config.exists(base + [interface, 'disable']):
+ continue
+
+ if config.exists(base + [interface, 'adjust-mss']):
+ section = Section.section(interface)
+ tmp = config.return_value(base + [interface, 'adjust-mss'])
+
+ vlan = interface.split('.')
+ base_interface_path = ['interfaces', section, vlan[0]]
+
+ if len(vlan) == 1:
+ # Normal interface, no VLAN
+ config.set(base_interface_path + ['ip', 'adjust-mss'], value=tmp)
+ elif len(vlan) == 2:
+ # Regular VIF or VIF-S interface - we need to check the config
+ vif = vlan[1]
+ if config.exists(base_interface_path + ['vif', vif]):
+ config.set(base_interface_path + ['vif', vif, 'ip', 'adjust-mss'], value=tmp)
+ elif config.exists(base_interface_path + ['vif-s', vif]):
+ config.set(base_interface_path + ['vif-s', vif, 'ip', 'adjust-mss'], value=tmp)
+ elif len(vlan) == 3:
+ # VIF-S interface with VIF-C subinterface
+ vif_s = vlan[1]
+ vif_c = vlan[2]
+ config.set(base_interface_path + ['vif-s', vif_s, 'vif-c', vif_c, 'ip', 'adjust-mss'], value=tmp)
config.set_tag(base_interface_path + ['vif-s'])
- elif len(vlan) == 3:
- # VIF-S interface with VIF-C subinterface
- vif_s = vlan[1]
- vif_c = vlan[2]
- config.set(base_interface_path + ['vif-s', vif_s, 'vif-c', vif_c, 'ipv6', 'adjust-mss'], value=tmp)
- config.set_tag(base_interface_path + ['vif-s'])
- config.set_tag(base_interface_path + ['vif-s', vif_s, 'vif-c'])
-
-config.delete(['firewall', 'options'])
+ config.set_tag(base_interface_path + ['vif-s', vif_s, 'vif-c'])
+
+ if config.exists(base + [interface, 'adjust-mss6']):
+ section = Section.section(interface)
+ tmp = config.return_value(base + [interface, 'adjust-mss6'])
+
+ vlan = interface.split('.')
+ base_interface_path = ['interfaces', section, vlan[0]]
+
+ if len(vlan) == 1:
+ # Normal interface, no VLAN
+ config.set(['interfaces', section, interface, 'ipv6', 'adjust-mss'], value=tmp)
+ elif len(vlan) == 2:
+ # Regular VIF or VIF-S interface - we need to check the config
+ vif = vlan[1]
+ if config.exists(base_interface_path + ['vif', vif]):
+ config.set(base_interface_path + ['vif', vif, 'ipv6', 'adjust-mss'], value=tmp)
+ config.set_tag(base_interface_path + ['vif'])
+ elif config.exists(base_interface_path + ['vif-s', vif]):
+ config.set(base_interface_path + ['vif-s', vif, 'ipv6', 'adjust-mss'], value=tmp)
+ config.set_tag(base_interface_path + ['vif-s'])
+ elif len(vlan) == 3:
+ # VIF-S interface with VIF-C subinterface
+ vif_s = vlan[1]
+ vif_c = vlan[2]
+ config.set(base_interface_path + ['vif-s', vif_s, 'vif-c', vif_c, 'ipv6', 'adjust-mss'], value=tmp)
+ config.set_tag(base_interface_path + ['vif-s'])
+ config.set_tag(base_interface_path + ['vif-s', vif_s, 'vif-c'])
-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)
+ config.delete(['firewall', 'options'])