def lambda_handler()

in lambda_backup.py [0:0]

• 23 lines of code
• 7 McCabe index (conditional complexity)

def lambda_handler(event, context):
    try:
        logger.info(json.dumps(event))
        message = event['detail']
        if LIFECYCLE_KEY in message and ASG_KEY in message:
            life_cycle_hook = message[LIFECYCLE_KEY]
            auto_scaling_group = message[ASG_KEY]
            instance_id = message[EC2_KEY]
            if check_document():
                command_id = send_command(instance_id)
                if command_id != None:
                    if check_command(command_id, instance_id):
                        logging.info("Lambda executed correctly")
                    else:
                        abandon_lifecycle(life_cycle_hook, auto_scaling_group, instance_id)
                else:
                    abandon_lifecycle(life_cycle_hook, auto_scaling_group, instance_id)
            else:
                abandon_lifecycle(life_cycle_hook, auto_scaling_group, instance_id)
        else:
            logging.error("No valid JSON message: %s", parsed_message)
    except Exception, e:
        logging.error("Error: %s", str(e))