String getCredentialCacheFilePath() {
    return (credentialsCacheFile == null) ? null : credentialsCacheFile.getAbsolutePath();
  }
Returns the KDC administration server host value (with or without the port)

@param includePort <code>true</code> to include the port (if available); <code>false</code> to exclude the port
@return the KDC administration server host value (with or without the port)
ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/KDCKerberosOperationHandler.java