private String getActualIndexName() {
        String date = LocalDate.now().format(DATE_FORMAT);
        return String.format("%s-%s", indexName, date);
    }
Get the actual index name for the current date.

@return the actual index name with date suffix
shenyu-plugin/shenyu-plugin-logging/shenyu-plugin-logging-elasticsearch/src/main/java/org/apache/shenyu/plugin/logging/elasticsearch/client/ElasticSearchLogCollectClient.java