remarks

bin/verify_kafka_warnings

@@ -1,20 +1,31 @@
 #!/bin/bash
 
-# Checks Kafka logs for warning patterns that indicate incorrect Karafka usage
-# These warnings should never occur as Karafka should prevent such operations
+# Checks Kafka logs for unsupported warning patterns
+# Only specified warnings are allowed, all others should trigger failure
 
-patterns=(
-   "as well as transactional"
+allowed_patterns=(
+   "Performing controller activation"
+   "registered with feature metadata.version"
 )
 
-found=0
-for pattern in "${patterns[@]}"; do
-   output=$(docker logs kafka | grep WARN | grep "$pattern")
-   if [ -n "$output" ]; then
-       echo "Found warning pattern: $pattern"
-       echo "$output"
-       found=1
+# Get all warnings
+warnings=$(docker logs kafka | grep WARN)
+exit_code=0
+
+while IFS= read -r line; do
+   allowed=0
+   for pattern in "${allowed_patterns[@]}"; do
+       if echo "$line" | grep -q "$pattern"; then
+           allowed=1
+           break
+       fi
+   done
+
+   if [ $allowed -eq 0 ]; then
+       echo "Unexpected warning found:"
+       echo "$line"
+       exit_code=1
    fi
-done
+done <<< "$warnings"
 
-exit $found
+exit $exit_code