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@Service
public class ElasticsearchManagementService {
@Autowired
private RestHighLevelClient client;
@Autowired
private AlertService alertService;
public void createIndex(String indexName, String mapping) {
try {
CreateIndexRequest request = new CreateIndexRequest(indexName);
if (mapping != null && !mapping.isEmpty()) {
request.mapping(mapping, XContentType.JSON);
}
CreateIndexResponse response = client.indices().create(request, RequestOptions.DEFAULT);
log.info("创建索引成功: indexName={}, acknowledged={}",
indexName, response.isAcknowledged());
} catch (Exception e) {
log.error("创建索引失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public void deleteIndex(String indexName) {
try {
DeleteIndexRequest request = new DeleteIndexRequest(indexName);
DeleteIndexResponse response = client.indices().delete(request, RequestOptions.DEFAULT);
log.info("删除索引成功: indexName={}, acknowledged={}",
indexName, response.isAcknowledged());
} catch (Exception e) {
log.error("删除索引失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public void updateIndexMapping(String indexName, String mapping) {
try {
PutMappingRequest request = new PutMappingRequest(indexName);
request.source(mapping, XContentType.JSON);
AcknowledgedResponse response = client.indices().putMapping(request, RequestOptions.DEFAULT);
log.info("更新索引映射成功: indexName={}, acknowledged={}",
indexName, response.isAcknowledged());
} catch (Exception e) {
log.error("更新索引映射失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public void updateIndexSettings(String indexName, String settings) {
try {
UpdateSettingsRequest request = new UpdateSettingsRequest(indexName);
request.settings(settings, XContentType.JSON);
AcknowledgedResponse response = client.indices().putSettings(request, RequestOptions.DEFAULT);
log.info("更新索引设置成功: indexName={}, acknowledged={}",
indexName, response.isAcknowledged());
} catch (Exception e) {
log.error("更新索引设置失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public void refreshIndex(String indexName) {
try {
RefreshRequest request = new RefreshRequest(indexName);
RefreshResponse response = client.indices().refresh(request, RequestOptions.DEFAULT);
log.info("刷新索引成功: indexName={}, totalShards={}",
indexName, response.getTotalShards());
} catch (Exception e) {
log.error("刷新索引失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public void forceMergeIndex(String indexName) {
try {
ForceMergeRequest request = new ForceMergeRequest(indexName);
request.maxNumSegments(1);
ForceMergeResponse response = client.indices().forcemerge(request, RequestOptions.DEFAULT);
log.info("强制合并索引成功: indexName={}, totalShards={}",
indexName, response.getTotalShards());
} catch (Exception e) {
log.error("强制合并索引失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public List<String> getIndices() {
try {
GetIndexRequest request = new GetIndexRequest("*");
GetIndexResponse response = client.indices().get(request, RequestOptions.DEFAULT);
return Arrays.asList(response.getIndices());
} catch (Exception e) {
log.error("获取索引列表失败: {}", e.getMessage(), e);
return new ArrayList<>();
}
}
public Map<String, Object> getIndexInfo(String indexName) {
try {
GetIndexRequest request = new GetIndexRequest(indexName);
GetIndexResponse response = client.indices().get(request, RequestOptions.DEFAULT);
Map<String, Object> indexInfo = new HashMap<>();
indexInfo.put("name", indexName);
indexInfo.put("mappings", response.getMappings().get(indexName).getSourceAsMap());
indexInfo.put("settings", response.getSettings().get(indexName).getAsMap());
return indexInfo;
} catch (Exception e) {
log.error("获取索引信息失败: indexName={}, error={}", indexName, e.getMessage(), e);
return new HashMap<>();
}
}
public SearchResponse executeSearch(String indexName, String query) {
try {
SearchRequest request = new SearchRequest(indexName);
request.source(query, XContentType.JSON);
return client.search(request, RequestOptions.DEFAULT);
} catch (Exception e) {
log.error("执行搜索查询失败: indexName={}, query={}, error={}",
indexName, query, e.getMessage(), e);
return null;
}
}
public void bulkIndex(String indexName, List<Map<String, Object>> documents) {
try {
BulkRequest request = new BulkRequest();
for (Map<String, Object> document : documents) {
IndexRequest indexRequest = new IndexRequest(indexName);
indexRequest.source(document);
request.add(indexRequest);
}
BulkResponse response = client.bulk(request, RequestOptions.DEFAULT);
log.info("批量索引文档成功: indexName={}, totalItems={}, hasFailures={}",
indexName, response.getItems().length, response.hasFailures());
} catch (Exception e) {
log.error("批量索引文档失败: indexName={}, error={}", indexName, e.getMessage(), e);
}
}
public ClusterHealthResponse getClusterHealth() {
try {
ClusterHealthRequest request = new ClusterHealthRequest();
return client.cluster().health(request, RequestOptions.DEFAULT);
} catch (Exception e) {
log.error("获取集群健康状态失败: {}", e.getMessage(), e);
return null;
}
}
public NodesInfoResponse getNodesInfo() {
try {
NodesInfoRequest request = new NodesInfoRequest();
return client.nodes().info(request, RequestOptions.DEFAULT);
} catch (Exception e) {
log.error("获取节点信息失败: {}", e.getMessage(), e);
return null;
}
}
}
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