Move io.opentelemetry:opentelemetry-extension-aws to contrib (#547)

Related to
[open-telemetry/opentelemetry-java#4831](open-telemetry/opentelemetry-java#4831).

.github/component_owners.yml

@@ -14,6 +14,8 @@ components:
     - willarmiros
   aws-xray:
     - willarmiros
+  aws-xray-propagator:
+    - willarmiros
   consistent-sampling:
     - oertl
     - PeterF778

README.md

@@ -9,7 +9,9 @@ feature or via instrumentation, this project is hopefully for you.
 
 ## Provided Libraries
 
-* [AWS X-Ray Support](./aws-xray/README.md)
+* [AWS Resources](./aws-resources/README.md)
+* [AWS X-Ray SDK Support](./aws-xray/README.md)
+* [AWS X-Ray Propagator](./aws-xray-propagator/README.md)
 * [Consistent sampling](./consistent-sampling/README.md)
 * [JFR Streaming](./jfr-streaming/README.md)
 * [JMX Metric Gatherer](./jmx-metrics/README.md)

aws-xray-propagator/README.md

@@ -0,0 +1,10 @@
+# OpenTelemetry AWS X-Ray Propagator
+
+This module contains a `TextMapPropagator` implementation compatible with
+the [AWS X-Ray Trace Header propagation protocol](https://docs.aws.amazon.com/xray/latest/devguide/xray-concepts.html#xray-concepts-tracingheader).
+
+## Component owners
+
+- [William Armiros](https://github.com/willarmiros), AWS
+
+Learn more about component owners in [component_owners.yml](../.github/component_owners.yml).

aws-xray-propagator/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+  id("otel.java-conventions")
+
+  id("otel.publish-conventions")
+}
+
+description = "OpenTelemetry AWS X-Ray Propagator"
+
+dependencies {
+  api("io.opentelemetry:opentelemetry-api")
+  compileOnly("io.opentelemetry:opentelemetry-sdk-extension-autoconfigure-spi")
+}

aws-xray-propagator/gradle.properties

@@ -0,0 +1,2 @@
+# TODO: uncomment when ready to mark as stable
+# otel.stable=true

aws-xray-propagator/src/main/java/io/opentelemetry/contrib/awsxray/propagator/AwsConfigurablePropagator.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.contrib.awsxray.propagator;
+
+import io.opentelemetry.context.propagation.TextMapPropagator;
+import io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties;
+import io.opentelemetry.sdk.autoconfigure.spi.ConfigurablePropagatorProvider;
+
+/**
+ * A {@link ConfigurablePropagatorProvider} which allows enabling the {@link AwsXrayPropagator} with
+ * the propagator name {@code xray}.
+ */
+public final class AwsConfigurablePropagator implements ConfigurablePropagatorProvider {
+  @Override
+  public TextMapPropagator getPropagator(ConfigProperties config) {
+    return AwsXrayPropagator.getInstance();
+  }
+
+  @Override
+  public String getName() {
+    return "xray";
+  }
+}