How to Retrieve AWS ECS Cluster Information

For more information about the Amazon ECS cluster, run the following command. You will find the number of running tasks, capacity providers, and more. 

aws ecs describe-clusters --cluster <your-fargate-cluster>

Sample output:

{
    "clusters": [
        {
            "clusterArn": "arn:aws:ecs:us-east-2:123456789012:cluster/<your-fargate-cluster>",
            "clusterName": "fargate-getting-started",
            "status": "ACTIVE",
            "registeredContainerInstancesCount": 0,
            "runningTasksCount": 3,
            "pendingTasksCount": 0,
            "activeServicesCount": 1,
            "statistics": [],
            "tags": [],
            "settings": [],
            "capacityProviders": [
                "FARGATE",
                "FARGATE_SPOT"
            ],
            "defaultCapacityProviderStrategy": []
        }
    ],
    "failures": []
}