DescribeCluster returns Cluster list.

DescribeService returns Service list.

DescribeTask returns Task list.

GetClient is singleton function returns ECSClient.

GetCluster returns Cluster list.

GetService returns Service list.

GetTask returns Cluster list.

GetTaskInCluster returns tasks in the Cluster.

GetTaskInService returns tasks in the Service in the Cluster.

ECSClient is client instance to call AWS ECS APIs.