Retry-Logik

worker.py

@@ -59,30 +59,45 @@ def is_ses_bounce_notification(parsed):
     return 'mailer-daemon@us-east-2.amazonses.com' in from_h
 
 
-def get_bounce_info_from_dynamodb(message_id):
+def get_bounce_info_from_dynamodb(message_id, max_retries=3, retry_delay=1):
     """
     Sucht Bounce-Info in DynamoDB anhand der Message-ID
+    Mit Retry-Logik für Timing-Issues
     Returns: dict mit bounce info oder None
     """
-    try:
-        response = msg_table.get_item(Key={'MessageId': message_id})
-        item = response.get('Item')
-        
-        if not item:
-            log(f"⚠ No bounce record found for Message-ID: {message_id}")
-            return None
-        
-        return {
-            'original_source': item.get('original_source', ''),
-            'bounceType': item.get('bounceType', 'Unknown'),
-            'bounceSubType': item.get('bounceSubType', 'Unknown'),
-            'bouncedRecipients': item.get('bouncedRecipients', []),
-            'timestamp': item.get('timestamp', '')
-        }
+    import time
     
-    except Exception as e:
-        log(f"⚠ DynamoDB Error: {e}", 'ERROR')
-        return None
+    for attempt in range(max_retries):
+        try:
+            response = msg_table.get_item(Key={'MessageId': message_id})
+            item = response.get('Item')
+            
+            if item:
+                # Gefunden!
+                return {
+                    'original_source': item.get('original_source', ''),
+                    'bounceType': item.get('bounceType', 'Unknown'),
+                    'bounceSubType': item.get('bounceSubType', 'Unknown'),
+                    'bouncedRecipients': item.get('bouncedRecipients', []),
+                    'timestamp': item.get('timestamp', '')
+                }
+            
+            # Nicht gefunden - Retry falls nicht letzter Versuch
+            if attempt < max_retries - 1:
+                log(f"  Bounce record not found yet, retrying in {retry_delay}s (attempt {attempt + 1}/{max_retries})...")
+                time.sleep(retry_delay)
+            else:
+                log(f"⚠ No bounce record found after {max_retries} attempts for Message-ID: {message_id}")
+                return None
+        
+        except Exception as e:
+            log(f"⚠ DynamoDB Error (attempt {attempt + 1}/{max_retries}): {e}", 'ERROR')
+            if attempt < max_retries - 1:
+                time.sleep(retry_delay)
+            else:
+                return None
+    
+    return None
 
 
 def apply_bounce_logic(parsed, subject):