Hi, I have created a cluster using blueprints which has some service running on it(host_group_0) say HDFS , YARN , Zookeeper but now the requirement is i want to add new node to this cluster in which i want to add only HDFS or only YARN or only Zookeeper or some other service say SPARK. So I cannot use the existing hostgroup or i cannot clone the existing host. I have to write a new host group with the service i need and POST the api with the new node. How can i achieve this using api. ... View more