import logging from tenacity import after_log, before_log, retry, stop_after_attempt, wait_fixed from db.session import db_session logging.basicConfig(level=logging.INFO) logger = logging.getLogger(__name__) max_tries = 60 * 5 # 5 minutes wait_seconds = 1 @retry( stop=stop_after_attempt(max_tries), wait=wait_fixed(wait_seconds), before=before_log(logger, logging.INFO), after=after_log(logger, logging.WARN), ) def init(): try: # Try to create session to check if DB is awake db_session.execute("SELECT 1") except Exception as e: logger.error(e) raise e def main(): logger.info("Initializing service") init() logger.info("Service finished initializing") if __name__ == "__main__": main()