Set thread information on transaction from OpenTelemetry attributes (#4478)

Co-authored-by: Alexander Dinauer <adinauer@users.noreply.github.com>
Co-authored-by: Sentry Github Bot <bot+github-bot@sentry.io>

Author: 3 people

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - Optimize scope when maxBreadcrumb is 0 ([#4504](https://github.com/getsentry/sentry-java/pull/4504))
 - Fix javadoc on TransportResult ([#4528](https://github.com/getsentry/sentry-java/pull/4528))
+- Set thread information on transaction from OpenTelemetry attributes ([#4478](https://github.com/getsentry/sentry-java/pull/4478))
 
 ### Internal
 

sentry-opentelemetry/sentry-opentelemetry-core/api/sentry-opentelemetry-core.api

@@ -50,6 +50,11 @@ public final class io/sentry/opentelemetry/OtelSpanInfo {
 	public fun getTransactionNameSource ()Lio/sentry/protocol/TransactionNameSource;
 }
 
+public final class io/sentry/opentelemetry/OtelSpanUtils {
+	public fun <init> ()V
+	public static fun maybeTransferOtelAttribute (Lio/opentelemetry/sdk/trace/data/SpanData;Lio/sentry/ISpan;Lio/opentelemetry/api/common/AttributeKey;)V
+}
+
 public final class io/sentry/opentelemetry/OtelSpanWrapper : io/sentry/opentelemetry/IOtelSpanWrapper {
 	public fun <init> (Lio/opentelemetry/sdk/trace/ReadWriteSpan;Lio/sentry/IScopes;Lio/sentry/SentryDate;Lio/sentry/TracesSamplingDecision;Lio/sentry/opentelemetry/IOtelSpanWrapper;Lio/sentry/SpanId;Lio/sentry/Baggage;)V
 	public fun finish ()V

sentry-opentelemetry/sentry-opentelemetry-core/src/main/java/io/sentry/opentelemetry/OtelSpanUtils.java

@@ -0,0 +1,21 @@
+package io.sentry.opentelemetry;
+
+import io.opentelemetry.api.common.AttributeKey;
+import io.opentelemetry.api.common.Attributes;
+import io.opentelemetry.sdk.trace.data.SpanData;
+import io.sentry.ISpan;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public final class OtelSpanUtils {
+  public static <T> void maybeTransferOtelAttribute(
+      final @NotNull SpanData otelSpan,
+      final @NotNull ISpan sentrySpan,
+      final @NotNull AttributeKey<T> key) {
+    final @NotNull Attributes attributes = otelSpan.getAttributes();
+    final @Nullable T value = attributes.get(key);
+    if (value != null) {
+      sentrySpan.setData(key.getKey(), value);
+    }
+  }
+}

sentry-opentelemetry/sentry-opentelemetry-core/src/main/java/io/sentry/opentelemetry/SentrySpanExporter.java

@@ -3,6 +3,7 @@
 import static io.sentry.TransactionContext.DEFAULT_TRANSACTION_NAME;
 import static io.sentry.opentelemetry.InternalSemanticAttributes.IS_REMOTE_PARENT;
 import static io.sentry.opentelemetry.OtelInternalSpanDetectionUtil.isSentryRequest;
+import static io.sentry.opentelemetry.OtelSpanUtils.maybeTransferOtelAttribute;
 
 import io.opentelemetry.api.common.Attributes;
 import io.opentelemetry.api.trace.StatusCode;
@@ -12,6 +13,7 @@
 import io.opentelemetry.sdk.trace.export.SpanExporter;
 import io.opentelemetry.semconv.HttpAttributes;
 import io.opentelemetry.semconv.incubating.ProcessIncubatingAttributes;
+import io.opentelemetry.semconv.incubating.ThreadIncubatingAttributes;
 import io.sentry.Baggage;
 import io.sentry.DateUtils;
 import io.sentry.DefaultSpanFactory;
@@ -340,6 +342,9 @@ private void transferSpanDetails(
     setOtelSpanKind(span, sentryTransaction);
     transferSpanDetails(sentrySpanMaybe, sentryTransaction);
 
+    maybeTransferOtelAttribute(span, sentryTransaction, ThreadIncubatingAttributes.THREAD_ID);
+    maybeTransferOtelAttribute(span, sentryTransaction, ThreadIncubatingAttributes.THREAD_NAME);
+
     scopesToUse.configureScope(
         ScopeType.CURRENT,
         scope -> attributesExtractor.extract(span, scope, scopesToUse.getOptions()));