ambari/ambari-web/app/assets/data/wizard/deploy/5_hosts/poll_1.json

{
  "href" : "http://ambari:8080/api/clusters/mycluster/requests/1?fields=tasks/*",
  "Requests" : {
    "id" : 1,
    "cluster_name" : "mycluster"
  },
  "tasks" : [
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/5",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host1",
        "id" : 5,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "DATANODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/20",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 20,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "PIG",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/15",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 15,
        "cluster_name" : "mycluster",
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        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "DATANODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/3",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
        "id" : 3,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "OOZIE_SERVER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/7",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host1",
        "id" : 7,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "TASKTRACKER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/14",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host4",
        "id" : 14,
        "cluster_name" : "mycluster",
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        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "TASKTRACKER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/13",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host4",
        "id" : 13,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/1",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
        "id" : 1,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/18",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 18,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "MAPREDUCE_CLIENT",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/8",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host5",
        "id" : 8,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/6",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host1",
        "id" : 6,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/2",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
        "id" : 2,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "JOBTRACKER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/4",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
        "id" : 4,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "SECONDARY_NAMENODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/19",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 19,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "OOZIE_CLIENT",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/12",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host4",
        "id" : 12,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "DATANODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/21",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 21,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "SQOOP",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/9",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host5",
        "id" : 9,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "GANGLIA_SERVER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/22",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 22,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "TASKTRACKER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/16",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
        "id" : 16,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/11",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host5",
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        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "NAMENODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/1/tasks/17",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
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        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 1,
        "command" : "INSTALL",
        "role" : "HDFS_CLIENT",
        "start_time" : -1,
        "stage_id" : 1
      }
    }
  ]
}