@Override
  public String getJMXRpcMetricTag(String clusterName, String componentName, String port){
    Map<String, Map<String, String>> componentToPortsMap = jmxDesiredRpcSuffixes.get(clusterName);
    if (componentToPortsMap != null && componentToPortsMap.containsKey(componentName)) {
      Map<String, String> portToTagMap = componentToPortsMap.get(componentName);
      if (portToTagMap != null) {
        return portToTagMap.get(port);
      }
    }
    return null;
  }
Create the Ganglia host component property provider for the given type.
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AbstractProviderModule.java