From 88d526aa0069ff903e2708fb3ba7b474c0d976ed Mon Sep 17 00:00:00 2001
From: Andreas Knuth <andreas.knuth@gmail.com>
Date: Mon, 9 Feb 2026 15:47:24 -0600
Subject: [PATCH] log rotate

---
 email-worker/logger.py | 78 ++++++++++++++++++++++++++++++++++++------
 1 file changed, 68 insertions(+), 10 deletions(-)

diff --git a/email-worker/logger.py b/email-worker/logger.py
index 89bfb19..7af1ee1 100644
--- a/email-worker/logger.py
+++ b/email-worker/logger.py
@@ -1,21 +1,79 @@
 #!/usr/bin/env python3
 """
-Structured logging for email worker
+Structured logging for email worker with Daily Rotation
 """
 
+import os
+import sys
+import logging
 import threading
+from logging.handlers import TimedRotatingFileHandler
 from datetime import datetime
 
+# Konfiguration
+LOG_DIR = "/var/log/email-worker"
+LOG_FILE = os.path.join(LOG_DIR, "worker.log")
+
+# Logger initialisieren
+logger = logging.getLogger("unified-worker")
+logger.setLevel(logging.INFO)
+logger.propagate = False
+
+# Formatierung definieren: [Timestamp] [Level] [Thread] Nachricht
+# Hinweis: worker_name wird in der Funktion 'log' manuell eingefügt
+formatter = logging.Formatter(
+    '[%(asctime)s] [%(levelname)s] [%(threadName)s] %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S'
+)
+
+# 1. Console Handler (damit 'docker logs' weiterhin etwas anzeigt)
+console_handler = logging.StreamHandler(sys.stdout)
+console_handler.setFormatter(formatter)
+logger.addHandler(console_handler)
+
+# 2. File Handler mit täglicher Rotation
+# Prüfen, ob das Verzeichnis schreibbar ist (durch Docker Volume Mount)
+if os.path.exists(LOG_DIR):
+    try:
+        # when="midnight": Rotiert jede Nacht um 00:00 Uhr
+        # backupCount=30: Behält Logs für 30 Tage
+        file_handler = TimedRotatingFileHandler(
+            LOG_FILE, 
+            when="midnight", 
+            interval=1, 
+            backupCount=30, 
+            encoding='utf-8'
+        )
+        file_handler.setFormatter(formatter)
+        # Suffix für rotierte Dateien: worker.log.2023-10-27
+        file_handler.suffix = "%Y-%m-%d"
+        logger.addHandler(file_handler)
+    except Exception as e:
+        print(f"⚠ Logging Setup Error: Could not create file handler: {e}")
 
 def log(message: str, level: str = 'INFO', worker_name: str = 'unified-worker'):
     """
-    Structured logging with timestamp and thread info
-    
-    Args:
-        message: Log message
-        level: Log level (INFO, WARNING, ERROR, SUCCESS)
-        worker_name: Name of the worker component
+    Structured logging with timestamp and thread info.
+    Drop-In Replacement for original print-based logging.
     """
-    timestamp = datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S')
-    thread_name = threading.current_thread().name
-    print(f"[{timestamp}] [{level}] [{worker_name}] [{thread_name}] {message}", flush=True)
+    # Mapping von String-Levels zu logging Konstanten
+    lvl_map = {
+        'DEBUG': logging.DEBUG,
+        'INFO': logging.INFO,
+        'WARNING': logging.WARNING,
+        'ERROR': logging.ERROR,
+        'CRITICAL': logging.CRITICAL,
+        'SUCCESS': logging.INFO  # 'SUCCESS' gibt es im Standard nicht, wir nutzen INFO
+    }
+    
+    log_level = lvl_map.get(level.upper(), logging.INFO)
+    
+    # Prefix für SUCCESS Level manuell hinzufügen, da es im Standard-Logging fehlt
+    prefix = ""
+    if level.upper() == 'SUCCESS':
+        prefix = "[SUCCESS] "
+    
+    # Den worker_name in die Nachricht integrieren
+    final_message = f"[{worker_name}] {prefix}{message}"
+    
+    logger.log(log_level, final_message)
\ No newline at end of file