@DELETE
  @Path("{clusterName}")
  @Produces(MediaType.TEXT_PLAIN)
  @ApiOperation(value = "Deletes a cluster")
  @ApiResponses({
    @ApiResponse(code = HttpStatus.SC_OK, message = MSG_SUCCESSFUL_OPERATION),
    @ApiResponse(code = HttpStatus.SC_NOT_FOUND, message = MSG_RESOURCE_NOT_FOUND),
    @ApiResponse(code = HttpStatus.SC_UNAUTHORIZED, message = MSG_NOT_AUTHENTICATED),
    @ApiResponse(code = HttpStatus.SC_FORBIDDEN, message = MSG_PERMISSION_DENIED),
    @ApiResponse(code = HttpStatus.SC_INTERNAL_SERVER_ERROR, message = MSG_SERVER_ERROR),
  })
  public Response deleteCluster(@Context HttpHeaders headers, @Context UriInfo ui,
    @ApiParam(required = true) @PathParam("clusterName") String clusterName
  ) {
    ResourceInstance resource = createClusterResource(clusterName);
    return handleRequest(headers, null, ui, Request.Type.DELETE, resource);
  }
Handles: DELETE /clusters/{clusterID}
Delete a specific cluster.

@param headers      http headers
@param ui           uri info
@param clusterName  cluster id

@return information regarding the deleted cluster
ambari-server/src/main/java/org/apache/ambari/server/api/services/ClusterService.java