io.opentelemetry.javaagent.instrumentation.apachehttpclient.v5_0.ApacheHttpClientSingletons Maven / Gradle / Ivy

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/*
 * Copyright The OpenTelemetry Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package io.opentelemetry.javaagent.instrumentation.apachehttpclient.v5_0;

import io.opentelemetry.api.GlobalOpenTelemetry;
import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter;
import io.opentelemetry.instrumentation.api.instrumenter.SpanNameExtractor;
import io.opentelemetry.instrumentation.api.instrumenter.SpanStatusExtractor;
import io.opentelemetry.instrumentation.api.instrumenter.http.HttpAttributesExtractor;
import io.opentelemetry.instrumentation.api.instrumenter.http.HttpClientMetrics;
import io.opentelemetry.instrumentation.api.instrumenter.http.HttpSpanNameExtractor;
import io.opentelemetry.instrumentation.api.instrumenter.http.HttpSpanStatusExtractor;
import io.opentelemetry.javaagent.instrumentation.api.instrumenter.PeerServiceAttributesExtractor;
import org.apache.hc.core5.http.ClassicHttpRequest;
import org.apache.hc.core5.http.HttpResponse;

public final class ApacheHttpClientSingletons {
  private static final String INSTRUMENTATION_NAME = "io.opentelemetry.apache-httpclient-5.0";

  private static final Instrumenter INSTRUMENTER;

  static {
    HttpAttributesExtractor httpAttributesExtractor =
        new ApacheHttpClientHttpAttributesExtractor();
    SpanNameExtractor spanNameExtractor =
        HttpSpanNameExtractor.create(httpAttributesExtractor);
    SpanStatusExtractor spanStatusExtractor =
        HttpSpanStatusExtractor.create(httpAttributesExtractor);
    ApacheHttpClientNetAttributesExtractor netAttributesExtractor =
        new ApacheHttpClientNetAttributesExtractor();

    INSTRUMENTER =
        Instrumenter.newBuilder(
                GlobalOpenTelemetry.get(), INSTRUMENTATION_NAME, spanNameExtractor)
            .setSpanStatusExtractor(spanStatusExtractor)
            .addAttributesExtractor(httpAttributesExtractor)
            .addAttributesExtractor(netAttributesExtractor)
            .addAttributesExtractor(PeerServiceAttributesExtractor.create(netAttributesExtractor))
            .addRequestMetrics(HttpClientMetrics.get())
            .newClientInstrumenter(new HttpHeaderSetter());
  }

  public static Instrumenter instrumenter() {
    return INSTRUMENTER;
  }

  private ApacheHttpClientSingletons() {}
}