ambari/ambari-web/app/assets/data/hosts/hosts.json

{
  "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts?fields=*",
  "items" : [
    {
      "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com",
      "Hosts" : {
        "cpu_count" : 1,
        "cluster_name" : "mycluster",
        "last_registration_time" : 1352386560520,
        "rack_info" : "/default-rack",
        "total_mem" : 3082813,
        "os_arch" : "x86_64",
        "host_name" : "dev.hortonworks.com",
        "disk_info" : "[{\"available\":\"47295056\",\"mountpoint\":\"/\",\"used\":\"3786948\",\"percent\":\"8%\",\"size\":\"51606140\",\"type\":\"ext4\"},{\"available\":\"1542800\",\"mountpoint\":\"/dev/shm\",\"used\":\"248\",\"percent\":\"1%\",\"size\":\"1543048\",\"type\":\"tmpfs\"},{\"available\":\"432210\",\"mountpoint\":\"/boot\",\"used\":\"38034\",\"percent\":\"9%\",\"size\":\"495844\",\"type\":\"ext4\"},{\"available\":\"44459872\",\"mountpoint\":\"/home\",\"used\":\"184220\",\"percent\":\"1%\",\"size\":\"47033288\",\"type\":\"ext4\"},{\"available\":\"902105496\",\"mountpoint\":\"/media/sf_ambari\",\"used\":\"74551908\",\"percent\":\"8%\",\"size\":\"976657404\",\"type\":\"vboxsf\"}]",
        "last_heartbeat_time" : 1352461939047,
        "os_type" : "centos6",
        "ip" : "10.0.2.15"
      },
      "host_components" : [
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/SECONDARY_NAMENODE",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "SECONDARY_NAMENODE",
            "host_name" : "dev.hortonworks.com"
          }
        },
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/JOBTRACKER",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "JOBTRACKER",
            "host_name" : "dev.hortonworks.com"
          }
        },
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/DATANODE",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "DATANODE",
            "host_name" : "dev.hortonworks.com"
          }
        },
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/HDFS_CLIENT",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "HDFS_CLIENT",
            "host_name" : "dev.hortonworks.com"
          }
        },
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/TASKTRACKER",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "TASKTRACKER",
            "host_name" : "dev.hortonworks.com"
          }
        },
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/NAMENODE",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "NAMENODE",
            "host_name" : "dev.hortonworks.com"
          }
        },
        {
          "href" : "http://dev.hortonworks.com:8080/api/clusters/mycluster/hosts/dev.hortonworks.com/host_components/MAPREDUCE_CLIENT",
          "HostRoles" : {
            "cluster_name" : "mycluster",
            "component_name" : "MAPREDUCE_CLIENT",
            "host_name" : "dev.hortonworks.com"
          }
        }
      ]
    }
  ]
}