aws ecs describe-container-instances
Describes one or more container instances. AWS CLI reference
3 options Its page in the AWS CLI reference
Options
--clusterThe short name or full Amazon Resource Name (ARN) of the cluster that hosts the container instances to describe.--container-instancesA list of up to 100 container instance IDs or full Amazon Resource Name (ARN) entries.--includeSpecifies whether you want to see the resource tags for the container instance.