static boolean isNameNodeHAInitialStandbyNodeSet(Map<String, Map<String, String>> configProperties) {
    return configProperties.containsKey(HDFS_HA_INITIAL_CONFIG_TYPE) && configProperties.get(HDFS_HA_INITIAL_CONFIG_TYPE).containsKey(HDFS_STANDBY_NAMENODE_PROPERTY_NAME);
  }
Convenience method to examine the current configuration, to determine
if the hostname of the initial standby namenode in an HA deployment has
been included.

@param configProperties the configuration for this cluster
@return true if the initial standby namenode property has been configured
        false if the initial standby namenode property has not been configured
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/BlueprintConfigurationProcessor.java