[WIP] Graalvm native integration tests

.github/workflows/main.yml

@@ -45,7 +45,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Run all checks'
         if: ${{steps.changed-files.outputs.ONLY_DOCS && steps.changed-files.outputs.ONLY_DOCS == 'false'}}
         run: |

.github/workflows/maven_release.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Build Driver'
         run: |
           ./gradlew --no-parallel --no-daemon -x test build

.github/workflows/maven_snapshot.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Build Driver'
         run: |
           ./gradlew --no-parallel --no-daemon -x test build

.github/workflows/mysql_advanced_performance.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/mysql_performance.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/pg_advanced_performance.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/pg_performance.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/release_draft.yml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Build Driver'
         run: |
           ./gradlew --no-parallel --no-daemon -x test build

.github/workflows/run-autoscaling-tests.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/run-hibernate-orm-tests.yml

@@ -39,7 +39,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Run Hibernate ORM integration tests'
         if: ${{steps.changed-files.outputs.ONLY_DOCS && steps.changed-files.outputs.ONLY_DOCS == 'false'}}
         run: |

.github/workflows/run-integration-tests-codebuild.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/run-integration-tests-default.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/run-integration-tests-latest.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Configure AWS credentials'
         uses: aws-actions/configure-aws-credentials@v4
         with:

.github/workflows/run-standard-integration-tests.yml

@@ -40,7 +40,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: 'corretto'
-          java-version: 8
+          java-version: 11
       - name: 'Run standard integration tests'
         if: ${{steps.changed-files.outputs.ONLY_DOCS && steps.changed-files.outputs.ONLY_DOCS == 'false'}}
         run: |

buildSrc/build.gradle.kts

@@ -16,7 +16,8 @@
  *
  */
 
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.tasks.KotlinJvmCompile
 
 plugins {
     `kotlin-dsl`
@@ -39,8 +40,8 @@ tasks {
     }
 }
 
-tasks.withType<KotlinCompile> {
-    kotlinOptions {
-        jvmTarget = "1.8"
+tasks.withType<KotlinJvmCompile>().configureEach {
+    compilerOptions {
+        jvmTarget.set(JvmTarget.JVM_1_8)
     }
 }

reachability/.gitignore

@@ -0,0 +1 @@
+metadata-output/*

reachability/README.md

@@ -0,0 +1,6 @@
+### Instructions
+
+1. Download GraalVM 21 and set your environment variables to use it as your java version.
+2. Navigate into this directory (eg `cd path/to/project/aws-advanced-jdbc-wrapper/reachability`).
+3. Execute `../gradlew nativeCompile` to create the native image.
+4. Execute `./build/native/nativeCompile/reachability` to run the native image.

reachability/build.gradle.kts

@@ -0,0 +1,52 @@
+plugins {
+    id("java")
+    id("org.graalvm.buildtools.native") version "0.10.4"
+    application
+}
+
+group = "reachability.software.amazon.jdbc"
+version = "2.5.3"
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+application {
+    mainClass.set("reachability.software.amazon.jdbc.Main")
+}
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(11)
+    }
+}
+
+dependencies {
+    implementation(project(":aws-advanced-jdbc-wrapper"))
+    // TODO: does graalvm only have reachability data for 42.7.3, or for all versions past 42.3.4?
+    // https://github.com/oracle/graalvm-reachability-metadata/tree/master/metadata/org.postgresql/postgresql/42.7.3
+    // https://www.graalvm.org/native-image/libraries-and-frameworks/#footnote-1
+    implementation("org.postgresql:postgresql:42.7.3")
+    implementation("com.fasterxml.jackson.core:jackson-databind:2.17.1")
+    implementation("software.amazon.awssdk:secretsmanager:2.28.11")
+    implementation("com.zaxxer:HikariCP:4.0.3")
+    implementation("software.amazon.awssdk:sts:2.27.22")
+    implementation("org.jsoup:jsoup:1.18.1")
+    implementation("mysql:mysql-connector-java:8.0.33")
+    implementation("org.mariadb.jdbc:mariadb-java-client:3.1.0")
+}
+
+tasks.compileJava {
+    dependsOn(":aws-advanced-jdbc-wrapper:compileTestJava")
+}
+
+graalvmNative {
+    toolchainDetection.set(true)
+    metadataRepository {
+        enabled.set(true)
+    }
+    binaries.all {
+        resources.autodetect()
+    }
+}

reachability/src/main/java/reachability/software/amazon/jdbc/ClusterDetails.java

@@ -0,0 +1,21 @@
+package reachability.software.amazon.jdbc;
+
+import software.amazon.jdbc.util.StringUtils;
+
+public class ClusterDetails {
+  public String endpoint = System.getenv("CLUSTER_ENDPOINT");
+  public String region = System.getenv("CLUSTER_REGION");
+  public String iamUser = System.getenv("IAM_USER");
+  public String username = System.getenv("CLUSTER_USERNAME");
+  public String password = System.getenv("CLUSTER_PASSWORD");
+  public String databaseName = System.getenv("CLUSTER_DATABASE_NAME");
+
+  public ClusterDetails() {}
+
+  @Override
+  public String toString() {
+    return String.format("%s: endpoint=%s, region=%s, iamUser=%s, username=%s, password=%s, databaseName=%s",
+        super.toString(), this.endpoint, this.region, this.iamUser, this.username,
+        StringUtils.isNullOrEmpty(this.password) ? "<empty>" : "<masked>", this.databaseName);
+  }
+}