io.opentelemetry.maven.OtelUtils Maven / Gradle / Ivy

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Maven extension to observe Maven builds with distributed traces using OpenTelemetry SDK

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

package io.opentelemetry.maven;

import io.opentelemetry.sdk.autoconfigure.AutoConfiguredOpenTelemetrySdk;
import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
import io.opentelemetry.sdk.resources.Resource;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

final class OtelUtils {
  static String prettyPrintSdkConfiguration(
      AutoConfiguredOpenTelemetrySdk autoConfiguredOpenTelemetrySdk) {
    List configAttributeNames =
        Arrays.asList(
            "otel.traces.exporter",
            "otel.metrics.exporter",
            "otel.exporter.otlp.endpoint",
            "otel.exporter.otlp.traces.endpoint",
            "otel.exporter.otlp.metrics.endpoint",
            "otel.exporter.jaeger.endpoint",
            "otel.exporter.prometheus.port",
            "otel.resource.attributes",
            "otel.service.name");

    ConfigProperties sdkConfig = autoConfiguredOpenTelemetrySdk.getConfig();
    Map configurationAttributes = new LinkedHashMap<>();
    for (String attributeName : configAttributeNames) {
      String attributeValue = sdkConfig.getString(attributeName);
      if (attributeValue != null) {
        configurationAttributes.put(attributeName, attributeValue);
      }
    }

    Resource sdkResource = autoConfiguredOpenTelemetrySdk.getResource();

    return "Configuration: "
        + configurationAttributes.entrySet().stream()
            .map(entry -> entry.getKey() + "=" + entry.getValue())
            .collect(Collectors.joining(", "))
        + ", Resource: "
        + sdkResource.getAttributes();
  }

  private OtelUtils() {}
}