anchor.diff:  Hadoop cluster related resources of the **Cloudbreak API**.
   
   
  -## Adding Hadoop clusters [/clusters]
  +## Adding Hadoop clusters [/stack/{stackId}/cluster]
   ### Create cluster [POST]
   Creates a Hadoop cluster based on a blueprint.
   
  ++ Parameters
  +    + id (required String `id`) ... The identifier of the `stack`
  +
   + Request
   
       + Headers
  
positive.code:             "href": "http://172.17.0.2:8080/api/v1/clusters/MySingleNodeCluster2"
            }
          }
  
  
  ## Retrieve a cluster  [/clusters/{id}]
  ### Retrieve a particular cluster [GET]
  Retrieves a particular cluster configuration for the user
  
  + Parameters
      + id (required String `id`) ... The identifier of the `cluster`
  
  + Request
  
      + Headers
  
              x-auth-token: user:c45sdfdsfo234jgkhsdgf324
  
  + Response 200 (application/json)
  
          {
              "clusterName": "my-hadoop-cluster-1",
              "stackId":"my-hadoop-stack-1"
              "host_groups" : [
                    {
                      "name" : "master",
                      "cardinality" : "1"
                    },
                    {
                      "name" : "slaves",
                      "cardinality" : "2"
                    }
                  ]
          }
  
  
  ## Delete clusters [/clusters/{id}]
  ### Deletes the specified cluster [DELETE]
  WARNING: Deletes the cluster - all data in HDFS will be lost. The cluster is destroyed.
  
  + Parameters
      + id (required String `id`) ... The identifier of the cluster.
  
  + Request
  
      + Headers
  
              x-auth-token: user:c45sdfdsfo234jgkhsdgf324
  
  + Response 200 (application/json)
  
          {
          }
  
negative.code: 
              {
                   "clusterName": "my-cluster",
                   "blueprintId": "1",
                   "description": "My multinode cluster"
              }
  
  + Response 200 (application/json)
  
          {
          }
  
  
  ## Retrieve Hadoop clusters [/stack/{stackId}/cluster]
  ### Retrieve a particular cluster [GET]
  Retrieves a particular cluster configuration for the user
  
  + Parameters
      + id (required String `id`) ... The identifier of the `stack`
  
  + Request
  
  