From c29e88a15583b1fbece4cfcd7a6aadd00353a6ac Mon Sep 17 00:00:00 2001
From: Stephan Behnke <stephan.behnke@temporal.io>
Date: Thu, 19 Dec 2024 16:03:44 -0800
Subject: [PATCH] Update GraalVM config

---
 temporal-test-server/README.md    | 17 +++++++++++++----
 temporal-test-server/build.gradle |  5 +++--
 temporal-testing/build.gradle     | 15 ++++++++++++++-
 3 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/temporal-test-server/README.md b/temporal-test-server/README.md
index 7bacde5d6..bce26d3fa 100644
--- a/temporal-test-server/README.md
+++ b/temporal-test-server/README.md
@@ -38,9 +38,18 @@ This will result in a local image being built:
 
 ## GraalVM native-image configuration
 
-The GraalVM native-image compiler uses the native-image.properties file and the
+The GraalVM native-image compiler uses the `native-image.properties` file and the
 referenced JSON files during compilation. The JSON files are generated by
 running the test server java code in a JVM configured with the [GraalVM tracing
-agent](https://www.graalvm.org/latest/reference-manual/native-image/metadata/AutomaticMetadataCollection/) configured,
-e.g. with the flag
-`-agentlib:native-image-agent=config-output-dir=temporal-test-server/src/main/resources/META-INF/native-image/io.temporal/temporal-test-server`.
+agent](https://www.graalvm.org/latest/reference-manual/native-image/metadata/AutomaticMetadataCollection/):
+
+:warning: Only code that is *executed* will be picked up by the agent.
+
+Steps:
+
+1. [Install GraalVM](https://www.graalvm.org/downloads/)
+2. Run the SDK tests with the GraalVM tracing agent:
+   ```
+   ./gradlew temporal-testing:test -Pagent=standard
+   ```
+   Make sure that `JAVA_HOME` is pointing at the GraalVM installation.
diff --git a/temporal-test-server/build.gradle b/temporal-test-server/build.gradle
index a6bb98f94..454e40fc5 100644
--- a/temporal-test-server/build.gradle
+++ b/temporal-test-server/build.gradle
@@ -1,13 +1,14 @@
 buildscript {
     ext {
         // 0.11.0 and later are build on JDK 11 bytecode version
-        graalVersion = "${JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_11) ? '0.12.0' : '0.10.0'}"
+        graalPluginVersion = "${JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_11) ? '0.12.0' : '0.10.0'}"
     }
 }
 
 plugins {
     id 'application'
-    id 'com.palantir.graal' version "${graalVersion}"
+    // TODO: This project is not used internally at palantir and is no longer maintained. It will soon be archived.
+    id 'com.palantir.graal' version "${graalPluginVersion}"
     id 'com.google.protobuf' version '0.9.2'
 }
 
diff --git a/temporal-testing/build.gradle b/temporal-testing/build.gradle
index 606f88fcc..18cd0e2fe 100644
--- a/temporal-testing/build.gradle
+++ b/temporal-testing/build.gradle
@@ -1,5 +1,6 @@
 plugins {
     id 'application'
+    id 'org.graalvm.buildtools.native' version '0.10.4'
 }
 
 description = '''Temporal Workflow Java SDK testing'''
@@ -33,6 +34,18 @@ dependencies {
     testRuntimeOnly group: 'ch.qos.logback', name: 'logback-classic', version: "${logbackVersion}"
 }
 
+graalvmNative {
+    // Dependency resolution is looking for a library compatible with JVM runtime version 8,
+    // but 'org.graalvm.buildtools:junit-platform-native:0.10.4' is only compatible with JVM runtime version 11 or newer.
+    testSupport = false
+
+    agent {
+        metadataCopy {
+            outputDirectories.add("temporal-test-server/src/main/resources/META-INF/native-image/io.temporal/temporal-test-server")
+        }
+    }
+}
+
 test {
     useJUnitPlatform()
-}
+}
\ No newline at end of file