79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""
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Structured logging for email worker with Daily Rotation
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"""
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import os
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import sys
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import logging
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import threading
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from logging.handlers import TimedRotatingFileHandler
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from datetime import datetime
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# Konfiguration
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LOG_DIR = "/var/log/email-worker"
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LOG_FILE = os.path.join(LOG_DIR, "worker.log")
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# Logger initialisieren
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logger = logging.getLogger("unified-worker")
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logger.setLevel(logging.INFO)
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logger.propagate = False
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# Formatierung definieren: [Timestamp] [Level] [Thread] Nachricht
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# Hinweis: worker_name wird in der Funktion 'log' manuell eingefügt
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formatter = logging.Formatter(
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'[%(asctime)s] [%(levelname)s] [%(threadName)s] %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S'
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)
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# 1. Console Handler (damit 'docker logs' weiterhin etwas anzeigt)
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console_handler = logging.StreamHandler(sys.stdout)
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console_handler.setFormatter(formatter)
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logger.addHandler(console_handler)
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# 2. File Handler mit täglicher Rotation
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# Prüfen, ob das Verzeichnis schreibbar ist (durch Docker Volume Mount)
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if os.path.exists(LOG_DIR):
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try:
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# when="midnight": Rotiert jede Nacht um 00:00 Uhr
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# backupCount=30: Behält Logs für 30 Tage
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file_handler = TimedRotatingFileHandler(
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LOG_FILE,
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when="midnight",
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interval=1,
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backupCount=30,
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encoding='utf-8'
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)
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file_handler.setFormatter(formatter)
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# Suffix für rotierte Dateien: worker.log.2023-10-27
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file_handler.suffix = "%Y-%m-%d"
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logger.addHandler(file_handler)
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except Exception as e:
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print(f"⚠ Logging Setup Error: Could not create file handler: {e}")
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def log(message: str, level: str = 'INFO', worker_name: str = 'unified-worker'):
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"""
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Structured logging with timestamp and thread info.
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Drop-In Replacement for original print-based logging.
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"""
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# Mapping von String-Levels zu logging Konstanten
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lvl_map = {
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'DEBUG': logging.DEBUG,
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'INFO': logging.INFO,
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'WARNING': logging.WARNING,
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'ERROR': logging.ERROR,
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'CRITICAL': logging.CRITICAL,
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'SUCCESS': logging.INFO # 'SUCCESS' gibt es im Standard nicht, wir nutzen INFO
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}
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log_level = lvl_map.get(level.upper(), logging.INFO)
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# Prefix für SUCCESS Level manuell hinzufügen, da es im Standard-Logging fehlt
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prefix = ""
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if level.upper() == 'SUCCESS':
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prefix = "[SUCCESS] "
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# Den worker_name in die Nachricht integrieren
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final_message = f"[{worker_name}] {prefix}{message}"
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logger.log(log_level, final_message) |