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

{
  "href" : "http://dev.hortonworks.com:8080/api/v1/users/?fields=*",
  "items" : [
    {
      "href" : "http://dev.hortonworks.com:8080/api/v1/users/user",
      "Users" : {
        "user_name" : "user",
        "ldap_user" : false,
        "roles" : [
          "user"
        ]
      }
    },
    {
      "href" : "http://dev.hortonworks.com:8080/api/v1/users/admin",
      "Users" : {
        "user_name" : "admin",
        "ldap_user" : false,
        "roles" : [
          "admin",
          "user"
        ]
      }
    },
    {
      "href" : "http://dev.hortonworks.com:8080/api/v1/users/jone",
      "Users" : {
        "user_name" : "jone",
        "ldap_user" : true,
        "roles" : [
          "user"
        ]
      }
    },
    {
      "href" : "http://dev.hortonworks.com:8080/api/v1/users/alex",
      "Users" : {
        "user_name" : "alex",
        "ldap_user" : false,
        "roles" : [
          "admin",
          "user"
        ]
      }
    }
  ]
}