ambari/ambari-web/app/assets/data/wizard/deploy/5_hosts/poll_6.json

{
  "href" : "http://ambari:8080/api/clusters/mycluster/requests/2?fields=tasks/*",
  "Requests" : {
    "id" : 2,
    "cluster_name" : "mycluster"
  },
  "tasks" : [
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/37",
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        "stdout" : "",
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        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "role" : "TASKTRACKER",
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      }
    },
    {
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      "Tasks" : {
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        "stdout" : "",
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        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "command" : "START",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/42",
      "Tasks" : {
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        "stdout" : "",
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        "stage_id" : 3
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/32",
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        "stdout" : "",
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        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "command" : "START",
        "role" : "DATANODE",
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      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/31",
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        "stdout" : "",
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        "stderr" : "",
        "host_name" : "host4",
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        "cluster_name" : "mycluster",
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      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/33",
      "Tasks" : {
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        "stdout" : "",
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        "stderr" : "",
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      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/26",
      "Tasks" : {
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        "stdout" : "",
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        "stderr" : "",
        "host_name" : "host5",
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        "cluster_name" : "mycluster",
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        "command" : "START",
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        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/44",
      "Tasks" : {
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        "stdout" : "",
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        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "command" : "EXECUTE",
        "role" : "OOZIE_SERVICE_CHECK",
        "start_time" : -1,
        "stage_id" : 4
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/36",
      "Tasks" : {
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        "stdout" : "",
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        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "command" : "START",
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        "start_time" : -1,
        "stage_id" : 2
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/34",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
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        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "START",
        "role" : "JOBTRACKER",
        "start_time" : -1,
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      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/35",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
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        "cluster_name" : "mycluster",
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        "command" : "START",
        "role" : "SECONDARY_NAMENODE",
        "start_time" : -1,
        "stage_id" : 2
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/38",
      "Tasks" : {
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        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
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        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "EXECUTE",
        "role" : "HDFS_SERVICE_CHECK",
        "start_time" : -1,
        "stage_id" : 2
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/29",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
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        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "START",
        "role" : "NAMENODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/28",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host5",
        "id" : 28,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "START",
        "role" : "NAGIOS_SERVER",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/24",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host1",
        "id" : 24,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "START",
        "role" : "DATANODE",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/40",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
        "id" : 40,
        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "START",
        "role" : "OOZIE_SERVER",
        "start_time" : -1,
        "stage_id" : 3
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/39",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host2",
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        "cluster_name" : "mycluster",
        "attempt_cnt" : 0,
        "request_id" : 2,
        "command" : "START",
        "role" : "TASKTRACKER",
        "start_time" : -1,
        "stage_id" : 2
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/23",
      "Tasks" : {
        "exit_code" : 999,
        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
        "host_name" : "host3",
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        "cluster_name" : "mycluster",
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        "command" : "START",
        "role" : "GANGLIA_MONITOR",
        "start_time" : -1,
        "stage_id" : 1
      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/27",
      "Tasks" : {
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        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "command" : "START",
        "role" : "GANGLIA_SERVER",
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      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/30",
      "Tasks" : {
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        "stdout" : "",
        "status" : "PENDING",
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        "cluster_name" : "mycluster",
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        "role" : "DATANODE",
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    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/43",
      "Tasks" : {
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        "cluster_name" : "mycluster",
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        "role" : "SQOOP_SERVICE_CHECK",
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      }
    },
    {
      "href" : "http://ambari:8080/api/clusters/mycluster/requests/2/tasks/41",
      "Tasks" : {
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        "stdout" : "",
        "status" : "PENDING",
        "stderr" : "",
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        "cluster_name" : "mycluster",
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        "command" : "EXECUTE",
        "role" : "MAPREDUCE_SERVICE_CHECK",
        "start_time" : -1,
        "stage_id" : 3
      }
    }
  ]
}