def create_target()

in traffic_mirroring/app_helper.py [0:0]

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

def create_target(ec2, target_subnet_id, config, existing_target_id = None):
    target_instance = launch_target_instance(ec2, target_subnet_id, config)
    network_interface_id = target_instance["Instances"][0]["NetworkInterfaces"][0]["NetworkInterfaceId"]

    try:
        target_id = create_target_with_tag(ec2, network_interface_id, target_subnet_id)
        remove_subnet_tag(ec2, target_subnet_id, existing_target_id)
        log.info("TrafficMirrorTarget %s created", target_id)
        return target_id
    except Exception as e:
        target_instance_id = target_instance["Instances"][0]["InstanceId"]
        log.info("Failed to create target. Terminating the launched target instance %s", target_instance_id)
        ec2.terminate_instances(InstanceIds=[target_instance_id])
        raise e