aws ecs describe-clusters

https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ecs/describe-clusters.html

aws ecs describe-clusters --cluster default
{
   "clusters": [
       {
           "status": "ACTIVE",
           "clusterName": "default",
           "registeredContainerInstancesCount": 0,
           "pendingTasksCount": 0,
           "runningTasksCount": 0,
           "activeServicesCount": 1,
           "clusterArn": "arn:aws:ecs:us-west-2:123456789012:cluster/default"
       }
   ],
   "failures": []
}

See also

• AWS ECS: aws ecs [ create-cluster | create-service | update-service | list-clusters | list-services | describe-cluster | describe-services | describe-tasks | put-account-setting | execute-command | run-task ]
• Amazon ECS, Service, Tasks (Task overview), capacity providers, Cluster Auto Scaling (CAS), aws ecs, ecs-cli, ~/.ecs/config, AWS Copilot, AWS Fargate, AWS CloudWatch Container Insights, /etc/ecs/ecs.config, Security group (SG), container agent, task definition, Amazon ECS events, best practices, Amazon ECS Exec Checker, Amazon ECS Agent, Service Connect, AWSServiceRoleForECS, Terraform ECS, AWS ECS Rolling deployments