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authorjack9603301 <jack9603301@163.com>2020-11-30 20:03:00 +0800
committerjack9603301 <jack9603301@163.com>2021-01-23 21:45:30 +0800
commitb047855b80754d78cab4d3161ad0e97c21f479bc (patch)
treebde7384faa2f64a5fa3b6ce1e239f21bdaa424ee /src/migration-scripts/nat66/0-to-1
parent6baf79a72cac9e6624d56b140511c32fad2cfbaa (diff)
downloadvyos-1x-b047855b80754d78cab4d3161ad0e97c21f479bc.tar.gz
vyos-1x-b047855b80754d78cab4d3161ad0e97c21f479bc.zip
nptv6: T2518: Initial support for nat66 (NPT)
Diffstat (limited to 'src/migration-scripts/nat66/0-to-1')
-rwxr-xr-xsrc/migration-scripts/nat66/0-to-176
1 files changed, 76 insertions, 0 deletions
diff --git a/src/migration-scripts/nat66/0-to-1 b/src/migration-scripts/nat66/0-to-1
new file mode 100755
index 000000000..2bc22061d
--- /dev/null
+++ b/src/migration-scripts/nat66/0-to-1
@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# 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,
+# 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/>.
+
+from sys import argv,exit
+from vyos.configtree import ConfigTree
+
+if (len(argv) < 1):
+ 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)
+
+def merge_npt(config,base,rule):
+ merge_base = ['nat66','source','rule',rule]
+ # Configure migration functions
+ if config.exists(base + ['description']):
+ tmp = config.return_value(base + ['description'])
+ config.set(merge_base + ['description'],value=tmp)
+
+ if config.exists(base + ['disable']):
+ tmp = config.return_value(base + ['disable'])
+ config.set(merge_base + ['disable'],value=tmp)
+
+ if config.exists(base + ['outbound-interface']):
+ tmp = config.return_value(base + ['outbound-interface'])
+ config.set(merge_base + ['outbound-interface'],value=tmp)
+
+ if config.exists(base + ['source','prefix']):
+ tmp = config.return_value(base + ['source','prefix'])
+ config.set(merge_base + ['source','prefix'],value=tmp)
+
+ if config.exists(base + ['translation','prefix']):
+ tmp = config.return_value(base + ['translation','prefix'])
+ config.set(merge_base + ['translation','prefix'],value=tmp)
+
+
+if not config.exists(['nat']):
+ # Nothing to do
+ exit(0)
+else:
+ if not config.exists(['nat', 'nptv6']):
+ exit(0)
+
+ for rule in config.list_nodes(['nat', 'nptv6', 'rule']):
+ base = ['nat', 'nptv6', 'rule', rule]
+ # Merge 'nat nptv6' to 'nat66 source'
+ merge_npt(config,base,rule)
+
+ # Delete the original NPT configuration
+ config.delete(['nat','nptv6']);
+
+ 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)
+