def create_gwlb()

in python/gwlb/create_gwlb_tg_listener_sample.py [0:0]

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

def create_gwlb(gwlb_name, subnet_id_list):
    """
    Creates a Gateway Load Balancer and resturns response and ARN

    Accepts:
    - gwlb_name: Gateway Load Balancer name.
    - subnet_id_list: List of subnet id to be assigned to GWLB

    Usage:
    - create_gwlb('gwlb123', ['subnet-123'])
    """
    logging.info(f"Creating gateway load balancer: {gwlb_name}")
    waiter = elbv2.get_waiter('load_balancer_available')
    try:
        response = elbv2.create_load_balancer(
            Name=gwlb_name,
            Subnets=subnet_id_list,
            Tags=[{'Key': 'Name', 'Value': gwlb_name}],
            Type='gateway'
        )
        gwlb_arn = response['LoadBalancers'][0]['LoadBalancerArn']
        logging.info("Waiting for GWLB's state to change to available")
        waiter.wait(
            LoadBalancerArns=[gwlb_arn],
            WaiterConfig={
                'Delay': 15,
                'MaxAttempts': 40
            }
        )
        return response, gwlb_arn
    except ClientError as e:
        logging.error(e)
        return None