code: func (client *APIECSClient) CreateCluster(clusterName string) (string, error) {
  	resp, err := client.standardClient.CreateCluster(&ecs.CreateClusterInput{ClusterName: &clusterName})
  	if err != nil {
  		seelog.Criticalf("Could not create cluster: %v", err)
  		return "", err
  	}
  	seelog.Infof("Created a cluster named: %s", clusterName)
  	return *resp.Cluster.ClusterName, nil
  }
docs: // CreateCluster creates a cluster from a given name and returns its arn