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: 
              {
                   "clusterName": "my-cluster",
                   "blueprintName": "multi-node-hdfs-yarn",
                   "hostGroups": [
                       {
                            "name": "master",
                            "cardinality": 1
                       },
                       {
                           "name": "slave",
                           "cardinality": 3
                      } ]
              }
  
  + Response 200 (application/json)
  
          {
          }
  
  
  ## Retrieve Hadoop clusters [/clusters]
  ### List clusters [GET]
  Retrieve all Hadoop clusters
  
  + Request
  
  
negative.code:             "href": "http://172.17.0.2:8080/api/v1/clusters/MySingleNodeCluster2"
            }
          }
  