zqr10159 commented on code in PR #1658: URL: https://github.com/apache/hertzbeat/pull/1658#discussion_r1740098023
########## grafana/src/main/java/org/apache/hertzbeat/grafana/service/DatasourceService.java: ########## @@ -0,0 +1,140 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.hertzbeat.grafana.service; + + +import static org.apache.hertzbeat.grafana.common.CommonConstants.CREATE_DATASOURCE_API; +import static org.apache.hertzbeat.grafana.common.CommonConstants.DATASOURCE_ACCESS; +import static org.apache.hertzbeat.grafana.common.CommonConstants.DATASOURCE_NAME; +import static org.apache.hertzbeat.grafana.common.CommonConstants.DATASOURCE_TYPE; +import static org.apache.hertzbeat.grafana.common.CommonConstants.DELETE_DATASOURCE_API; +import jakarta.annotation.PostConstruct; +import java.util.Base64; +import lombok.extern.slf4j.Slf4j; +import org.apache.hertzbeat.grafana.config.GrafanaConfiguration; +import org.apache.hertzbeat.warehouse.store.history.vm.VictoriaMetricsProperties; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.HttpEntity; +import org.springframework.http.HttpHeaders; +import org.springframework.http.HttpMethod; +import org.springframework.http.MediaType; +import org.springframework.http.ResponseEntity; +import org.springframework.stereotype.Service; +import org.springframework.web.client.RestTemplate; + +/** + * Service for managing Grafana datasources. + */ +@Service +@Slf4j +public class DatasourceService { + + private String grafanaUrl; + private String username; + private String password; + private String prefix; + private String victoriaMetricsUrl; + + private final GrafanaConfiguration grafanaConfiguration; + private final VictoriaMetricsProperties warehouseProperties; + private final RestTemplate restTemplate; + + @Autowired + public DatasourceService( + GrafanaConfiguration grafanaConfiguration, + VictoriaMetricsProperties warehouseProperties, + RestTemplate restTemplate + ) { + this.grafanaConfiguration = grafanaConfiguration; + this.warehouseProperties = warehouseProperties; + this.restTemplate = restTemplate; + } + + @PostConstruct + public void init() { + this.grafanaUrl = grafanaConfiguration.getUrl(); + this.username = grafanaConfiguration.getUsername(); + this.password = grafanaConfiguration.getPassword(); + this.prefix = grafanaConfiguration.getPrefix(); + this.victoriaMetricsUrl = warehouseProperties.url(); + } + + /** + * Creates a new datasource in Grafana. + * + * @return ResponseEntity containing the response from Grafana + */ + public ResponseEntity<String> createDatasource() { + String url = String.format(prefix + CREATE_DATASOURCE_API, username, password, grafanaUrl); + + HttpHeaders headers = createHeaders(); + + String body = String.format( + "{\"name\":\"%s\",\"type\":\"%s\",\"access\":\"%s\",\"url\":\"%s\",\"basicAuth\":%s}", + DATASOURCE_NAME, DATASOURCE_TYPE, DATASOURCE_ACCESS, victoriaMetricsUrl, false + ); + + HttpEntity<String> entity = new HttpEntity<>(body, headers); + + try { + ResponseEntity<String> response = restTemplate.postForEntity(url, entity, String.class); + if (response.getStatusCode().is2xxSuccessful()) { + log.info("Create datasource success"); + } + return response; + } catch (Exception ex) { + log.error("Create datasource error", ex); + throw new RuntimeException("Create datasource error", ex); + } + } + + /** + * Deletes a datasource in Grafana. + * + * @return ResponseEntity containing the response from Grafana + */ + public ResponseEntity<String> deleteDatasource() { + String url = String.format(prefix + DELETE_DATASOURCE_API, username, password, grafanaUrl, DATASOURCE_NAME); + + HttpHeaders headers = createHeaders(); + + HttpEntity<Void> entity = new HttpEntity<>(headers); + + try { + ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.DELETE, entity, String.class); + if (response.getStatusCode().is2xxSuccessful()) { + log.info("Delete datasource success"); + } + return response; + } catch (Exception ex) { + log.error("Delete datasource error", ex); + throw new RuntimeException("Delete datasource error", ex); + } + } + Review Comment: ok, I will fix it. -- This is an automated message from the Apache Git Service. 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