Get a list of hosts

{
  "hosts": [
    {
      "name": "ubuntu64",
      "id": "2AU7:TIEN:O5KX:QK56:LFQP:IJSV:FXBN:QJV7:XPAH",
      "runtime": "docker",
      "runtime_version": "1.10.2",
      "runtime_api_version": "1.22",
      "platform": "Docker",
      "os": "Ubuntu 14.04.3 LTS",
      "kernel": "3.19.0-25-generic",
      "cpus": 1,
      "memory": 2089816064,
      "cgroup_version": 1,
      "containers": 107,
      "interfaces": {
        "key": "eth0",
        "value": [
          {
            "ip": "192.168.209.197",
            "ip_prefix": 32
          }
        ]
      },
      "cap_docker_bench": true,
      "cap_kube_bench": true,
      "docker_bench_status": "running",
      "kube_bench_status": "scheduled",
      "policy_mode": "Discover",
      "profile_mode": "Discover",
      "scan_summary": {
        "status": "scheduled",
        "result": "success",
        "scanned_timestamp": 1516561253,
        "scanned_at": "2018-01-21T19:00:53Z",
        "base_os": "ubuntu:16.04",
        "scanner_version": "1.011",
        "cvedb_create_time": "2018-06-20T19:00:53Z"
      },
      "storage_driver": "aufs",
      "labels": {
        "key": [
          "beta.kubernetes.io/os"
        ],
        "value": "linux"
      },
      "annotations": {
        "key": [
          "kubeadm.alpha.kubernetes.io/cri-socket"
        ],
        "value": "/var/run/dockershim.sock"
      }
    }
  ]
}