[ONOS-3394] Json models for REST api

Change-Id: I69c396ae08d25e83dce31e4d2ec92cd9a28c54f5
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/ClusterWebResource.java b/web/api/src/main/java/org/onosproject/rest/resources/ClusterWebResource.java
index 312f6e3..16a4dc7 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/ClusterWebResource.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/ClusterWebResource.java
@@ -49,6 +49,7 @@
      * Returns array of all cluster nodes.
      *
      * @return 200 OK
+     * @rsModel Cluster
      */
     @GET
     public Response getClusterNodes() {
@@ -62,6 +63,7 @@
      *
      * @param id cluster node identifier
      * @return 200 OK
+     * @rsModel ClusterNode
      */
     @GET
     @Path("{id}")
@@ -78,6 +80,7 @@
      * @param config cluster definition
      * @return 200 OK
      * @throws IOException to signify bad request
+     * @rsModel ClusterPost
      */
     @POST
     @Path("configuration")