Adds Graal hints for the shaded dependencies

.github/workflows/build-graal.yml

@@ -0,0 +1,20 @@
+name: GraalVM Community Edition build
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: graalvm/setup-graalvm@v1
+        with:
+          version: 'latest'
+          java-version: '11'
+          components: 'native-image'
+      - name: Running test
+        run: |
+          echo "GRAALVM_HOME: $GRAALVM_HOME"
+          echo "JAVA_HOME: $JAVA_HOME"
+          java --version
+          gu --version
+          native-image --version
+          ./gradlew nativeTest

integration-tests/graal/build.gradle.kts

@@ -0,0 +1,29 @@
+plugins {
+  id("otel.java-conventions")
+  id("org.graalvm.buildtools.native")
+}
+
+description = "OpenTelemetry Graal Integration Tests"
+otelJava.moduleName.set("io.opentelemetry.graal.integration.tests")
+
+sourceSets {
+  main {
+    // We need to ensure that we have the shadowed classes on the classpath, without this
+    // we will get the <:sdk:trace-shaded-deps> classes only, without the shadowed ones
+    val traceShadedDeps = project(":sdk:trace-shaded-deps")
+    output.dir(traceShadedDeps.file("build/extracted/shadow"), "builtBy" to ":sdk:trace-shaded-deps:extractShadowJar")
+  }
+}
+
+dependencies {
+  implementation(project(path = ":sdk:trace-shaded-deps"))
+}
+
+graalvmNative {
+  binaries {
+    named("main") {
+      verbose.set(true)
+    }
+  }
+  toolchainDetection.set(false)
+}

integration-tests/graal/src/main/resources/simplelogger.properties

@@ -0,0 +1,2 @@
+org.slf4j.simpleLogger.defaultLogLevel=info
+org.slf4j.simpleLogger.log.org.eclipse.jetty=warn

integration-tests/graal/src/test/java/io/opentelemetry/integrationtests/graal/JcToolsTest.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package io.opentelemetry.integrationtests.graal;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import io.opentelemetry.sdk.trace.internal.JcTools;
+import java.util.Queue;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.EnabledInNativeImage;
+
+class JcToolsTest {
+
+  @Test
+  @EnabledInNativeImage
+  void insert_oneElementToTheQueue() {
+    Queue<Object> objects = JcTools.newFixedSizeQueue(10);
+
+    objects.add(new Object());
+
+    assertThat(objects).hasSize(1);
+  }
+}

sdk/trace-shaded-deps/src/main/resources/META-INF/native-image/io.opentelemetry/opentelemetry-sdk-trace/reflect-config.json

@@ -0,0 +1,35 @@
+[
+  {
+    "condition": {
+      "typeReachable": "io.opentelemetry.internal.shaded.jctools.queues.MpscArrayQueueConsumerIndexField"
+    },
+    "name": "io.opentelemetry.internal.shaded.jctools.queues.MpscArrayQueueConsumerIndexField",
+    "fields": [
+      {
+        "name": "consumerIndex"
+      }
+    ]
+  },
+  {
+    "condition": {
+      "typeReachable": "io.opentelemetry.internal.shaded.jctools.queues.MpscArrayQueueProducerIndexField"
+    },
+    "name": "io.opentelemetry.internal.shaded.jctools.queues.MpscArrayQueueProducerIndexField",
+    "fields": [
+      {
+        "name": "producerIndex"
+      }
+    ]
+  },
+  {
+    "condition": {
+      "typeReachable": "io.opentelemetry.internal.shaded.jctools.queues.MpscArrayQueueProducerLimitField"
+    },
+    "name": "io.opentelemetry.internal.shaded.jctools.queues.MpscArrayQueueProducerLimitField",
+    "fields": [
+      {
+        "name": "producerLimit"
+      }
+    ]
+  }
+]

settings.gradle.kts

@@ -5,6 +5,7 @@ pluginManagement {
     id("com.gradle.enterprise") version "3.11.1"
     id("io.github.gradle-nexus.publish-plugin") version "1.1.0"
     id("org.jetbrains.kotlin.jvm") version "1.7.20"
+    id("org.graalvm.buildtools.native") version "0.9.14"
   }
 }
 
@@ -47,6 +48,7 @@ include(":exporters:zipkin")
 include(":integration-tests")
 include(":integration-tests:otlp")
 include(":integration-tests:tracecontext")
+include(":integration-tests:graal")
 include(":opencensus-shim")
 include(":opentracing-shim")
 include(":perf-harness")