diff --git a/rbac/interfaces.sh b/rbac/interfaces.sh
new file mode 100755
index 000000000..5c5c95263
--- /dev/null
+++ b/rbac/interfaces.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo $(echo $(sed -n 's/^\(type \|\s*\)\([A-Z][^[:space:]]*\) interface .*/\2/p' "interfaces.go") | tr ' ' ',')