| /* |
| * 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.hudi.metrics.datadog; |
| |
| import org.apache.hudi.common.util.StringUtils; |
| import org.apache.hudi.common.util.ValidationUtils; |
| |
| import org.apache.http.HttpHeaders; |
| import org.apache.http.HttpStatus; |
| import org.apache.http.client.config.RequestConfig; |
| import org.apache.http.client.methods.CloseableHttpResponse; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.client.methods.HttpPost; |
| import org.apache.http.client.methods.HttpUriRequest; |
| import org.apache.http.entity.ContentType; |
| import org.apache.http.entity.StringEntity; |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.http.impl.client.HttpClientBuilder; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| |
| /** |
| * Datadog API HTTP client. |
| * <p> |
| * Responsible for API endpoint routing, validating API key, and sending requests with metrics payload. |
| */ |
| public class DatadogHttpClient implements Closeable { |
| |
| private static final Logger LOG = LogManager.getLogger(DatadogHttpClient.class); |
| |
| private static final String SERIES_URL_FORMAT = "https://app.datadoghq.%s/api/v1/series"; |
| private static final String VALIDATE_URL_FORMAT = "https://app.datadoghq.%s/api/v1/validate"; |
| private static final String HEADER_KEY_API_KEY = "DD-API-KEY"; |
| |
| private final String apiKey; |
| private final String seriesUrl; |
| private final String validateUrl; |
| private final CloseableHttpClient client; |
| |
| public DatadogHttpClient(ApiSite apiSite, String apiKey, boolean skipValidation, CloseableHttpClient client) { |
| this.apiKey = apiKey; |
| this.seriesUrl = String.format(SERIES_URL_FORMAT, apiSite.getDomain()); |
| this.validateUrl = String.format(VALIDATE_URL_FORMAT, apiSite.getDomain()); |
| this.client = client; |
| if (!skipValidation) { |
| validateApiKey(); |
| } |
| } |
| |
| public DatadogHttpClient(ApiSite apiSite, String apiKey, boolean skipValidation, int timeoutSeconds) { |
| this(apiSite, apiKey, skipValidation, HttpClientBuilder.create() |
| .setDefaultRequestConfig(RequestConfig.custom() |
| .setConnectTimeout(timeoutSeconds * 1000) |
| .setConnectionRequestTimeout(timeoutSeconds * 1000) |
| .setSocketTimeout(timeoutSeconds * 1000).build()) |
| .build()); |
| } |
| |
| private void validateApiKey() { |
| ValidationUtils.checkArgument(!StringUtils.isNullOrEmpty(apiKey), |
| "API key is null or empty."); |
| |
| HttpUriRequest request = new HttpGet(validateUrl); |
| request.setHeader(HEADER_KEY_API_KEY, apiKey); |
| try (CloseableHttpResponse response = client.execute(request)) { |
| int statusCode = response.getStatusLine().getStatusCode(); |
| ValidationUtils.checkState(statusCode == HttpStatus.SC_OK, "API key is invalid."); |
| } catch (IOException e) { |
| throw new IllegalStateException("Failed to connect to Datadog to validate API key.", e); |
| } |
| } |
| |
| public void send(String payload) { |
| HttpPost request = new HttpPost(seriesUrl); |
| request.setHeader(HEADER_KEY_API_KEY, apiKey); |
| request.setHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_JSON.toString()); |
| request.setEntity(new StringEntity(payload, ContentType.APPLICATION_JSON)); |
| try (CloseableHttpResponse response = client.execute(request)) { |
| int statusCode = response.getStatusLine().getStatusCode(); |
| if (statusCode >= 300) { |
| LOG.warn(String.format("Failed to send to Datadog. Response was %s", response)); |
| } else { |
| LOG.debug(String.format("Sent metrics data (size: %d) to %s", payload.length(), seriesUrl)); |
| } |
| } catch (IOException e) { |
| LOG.warn("Failed to send to Datadog.", e); |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| client.close(); |
| } |
| |
| public enum ApiSite { |
| US("com"), EU("eu"); |
| |
| private final String domain; |
| |
| ApiSite(String domain) { |
| this.domain = domain; |
| } |
| |
| public String getDomain() { |
| return domain; |
| } |
| } |
| } |