if (null != baseConfig) {
String authName = getAuthName();
if (cluster.addDesiredConfig(authName, baseConfig)) {
Logger logger = LoggerFactory.getLogger("configchange");
logger.info("cluster '" + request.getClusterName() + "' "
+ "changed by: '" + authName + "'; "
+ "type='" + baseConfig.getType() + "' "
+ "tag='" + baseConfig.getVersionTag() + "'"
+ (null == oldConfig ? "" : " from='"+ oldConfig.getVersionTag() + "'"));
}