Function lambda_handler

lambda/lambda_function.py:16–35

Updates the desired count for a service.

(event, context)

def lambda_handler(event, context):
    """Updates the desired count for a service."""

    ecs = boto3.client('ecs', region_name=REGION)
    response = ecs.describe_services(
        cluster=CLUSTER,
        services=[SERVICE],
    )

    desired = response["services"][0]["desiredCount"]

    if desired == 0:
        ecs.update_service(
            cluster=CLUSTER,
            service=SERVICE,
            desiredCount=1,
        )
        print("Updated desiredCount to 1")
    else:
        print("desiredCount already at 1")