ambari/ambari-web/app/assets/data/clusters/info.json

{
  "href" : "http://ec2-23-20-184-220.compute-1.amazonaws.com:8080/api/v1/clusters",
  "items" : [
    {
      "href" : "http://ec2-23-20-184-220.compute-1.amazonaws.com:8080/api/v1/clusters/tdk",
      "Clusters" : {
        "cluster_name" : "tdk",
        "version" : "HDP-1.3.0"
      }
    }
  ]
}