private String getVersionTag() throws AmbariHttpException {
    JSONObject json = getDesiredConfigs();
    JSONObject clusters = (JSONObject) json.get("Clusters");
    JSONObject configs = (JSONObject) clusters.get("desired_configs");
    JSONObject scheduler = (JSONObject) configs.get("capacity-scheduler");
    return (String) scheduler.get("tag");
  }
Gets the capacity scheduler version tag.

@return    the capacity scheduler version tag
contrib/views/capacity-scheduler/src/main/java/org/apache/ambari/view/capacityscheduler/ConfigurationService.java