static boolean isYarnResourceManagerHAEnabled(Map<String, Map<String, String>> configProperties) {
    return configProperties.containsKey("yarn-site") && configProperties.get("yarn-site").containsKey("yarn.resourcemanager.ha.enabled")
      && configProperties.get("yarn-site").get("yarn.resourcemanager.ha.enabled").equals("true");
  }
Static convenience function to determine if Yarn ResourceManager HA is enabled
@param configProperties configuration properties for this cluster
@return true if Yarn ResourceManager HA is enabled
        false if Yarn ResourceManager HA is not enabled
ambari-server/src/main/java/org/apache/ambari/server/topology/ClusterTopologyImpl.java