def get_lifecycle_state()

in github-runner-ami/packer/files/runner-supervisor.py [0:0]

• 18 lines of code
• 5 McCabe index (conditional complexity)

def get_lifecycle_state() -> str:
    global INSTANCE_ID, OWN_ASG

    if not INSTANCE_ID:
        with open('/var/lib/cloud/data/instance-id') as fh:
            INSTANCE_ID = fh.readline().strip()

    asg_client = boto3.client('autoscaling')

    try:
        instances = asg_client.describe_auto_scaling_instances(
            InstanceIds=[INSTANCE_ID],
        )['AutoScalingInstances']
    except asg_client.exceptions.ClientError:
        return "UNKNOWN"

    if len(instances) != 1:
        return "UNKNOWN"

    details = instances[0]

    if not OWN_ASG:
        OWN_ASG = details['AutoScalingGroupName']

    return details['LifecycleState']