public void setEcsClusterArn(String ecsClusterArn) {
        this.ecsClusterArn = ecsClusterArn;
    }
<p>
For container instances, the Amazon ECS cluster's ARN.
</p>

@param ecsClusterArn
       For container instances, the Amazon ECS cluster's ARN.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/Instance.java