z3d1k commented on code in PR #1: URL: https://github.com/apache/flink-connector-prometheus/pull/1#discussion_r1501895815
########## prometheus-connector/src/main/java/org/apache/flink/connector/prometheus/sink/PrometheusRemoteWriteHttpRequestBuilder.java: ########## @@ -0,0 +1,76 @@ +/* + * 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.flink.connector.prometheus.sink; + +import org.apache.flink.util.Preconditions; + +import org.apache.hc.client5.http.async.methods.SimpleHttpRequest; +import org.apache.hc.client5.http.async.methods.SimpleRequestBuilder; +import org.apache.hc.core5.http.ContentType; +import org.apache.hc.core5.http.HttpHeaders; + +import java.util.HashMap; +import java.util.Map; + +/** Builds the POST request to the Remote-Write endpoint for a given binary payload. */ +public class PrometheusRemoteWriteHttpRequestBuilder { + + private static final ContentType CONTENT_TYPE = ContentType.create("application/x-protobuf"); + + public static final String DEFAULT_USER_AGENT = "Flink-Prometheus"; + private final String prometheusRemoteWriteUrl; + private final PrometheusRequestSigner requestSigner; + + private final Map<String, String> fixedHeaders; + + public PrometheusRemoteWriteHttpRequestBuilder( + String prometheusRemoteWriteUrl, + PrometheusRequestSigner requestSigner, + String httpUserAgent) { + Preconditions.checkNotNull(httpUserAgent, "User-Agent not specified"); + + this.prometheusRemoteWriteUrl = prometheusRemoteWriteUrl; + this.requestSigner = requestSigner; + this.fixedHeaders = + Map.of( + HttpHeaders.CONTENT_ENCODING, + "snappy", + "X-Prometheus-Remote-Write-Version", + "0.1.0", + HttpHeaders.USER_AGENT, + httpUserAgent); + } + + public SimpleHttpRequest buildHttpRequest(byte[] httpRequestBody) { + Map<String, String> headers = new HashMap<>(fixedHeaders); + if (requestSigner != null) { + requestSigner.addSignatureHeaders(headers, httpRequestBody); + } + + var builder = Review Comment: Default target java version for connectors is 8, is java 11 features necessary? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
