conntrack: T3275: migrate 'disable' syntax to 'enable' syntax for the new default behavior

1 files changed, 37 insertions, 0 deletions

diff --git a/src/migration-scripts/conntrack/2-to-3 b/src/migration-scripts/conntrack/2-to-3
new file mode 100755
index 000000000..8a8b43279
--- /dev/null
+++ b/src/migration-scripts/conntrack/2-to-3
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+# Conntrack syntax version 3
+# Enables all conntrack modules (previous default behaviour) and omits manually disabled modules.
+
+import sys
+
+from vyos.configtree import ConfigTree
+from vyos.version import get_version
+
+if len(sys.argv) < 1:
+    print('Must specify file name!')
+    sys.exit(1)
+
+filename = sys.argv[1]
+
+with open(filename, 'r') as f:
+    config = ConfigTree(f.read())
+
+module_path = ['system', 'conntrack', 'modules']
+
+# Go over all conntrack modules available as of v1.3.0.
+for module in ['ftp', 'h323', 'nfs', 'pptp', 'sip', 'sqlnet', 'tftp']:
+    # 'disable' is being phased out.
+    if config.exists(module_path + [module, 'disable']):
+        config.delete(module_path + [module])
+    # If it wasn't manually 'disable'd, it was enabled by default.
+    else:
+        config.set(module_path + [module])
+
+try:
+    if config.exists(module_path):
+        with open(filename, 'w') as f:
+            f.write(config.to_string())
+except OSError as e:
+    print(f'Failed to save the modified config: {e}')
+    sys.exit(1)