[Java] Add Performance Testing Workflow for Lambda Layer

.github/workflows/java-lambda-layer-perf-test.yml

@@ -0,0 +1,127 @@
+## Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+## SPDX-License-Identifier: Apache-2.0
+
+name: Java Lambda Layer Performance Test
+on:
+  workflow_dispatch:
+    inputs:
+      test_runs:
+        description: 'Number of test runs to perform'
+        required: true
+        default: 20
+        type: number
+
+      java_version:
+        description: 'The Java version to run the test'
+        required: true
+        default: '17'
+        type: string  
+
+jobs:
+  java-lambda-layer-performance-test:
+    runs-on: ubuntu-latest 
+    permissions:
+        id-token: write
+        contents: read   
+
+    env:
+      NUM_TEST_RUNS: ${{ github.event.inputs.test_runs }}
+
+    steps:
+    - name: Configure AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        role-to-assume: arn:aws:iam::${{ secrets.APPLICATION_SIGNALS_E2E_TEST_ACCOUNT_ID }}:role/${{ secrets.APPLICATION_SIGNALS_E2E_TEST_ROLE_NAME }}
+        aws-region: us-east-1     
+
+    - name: Checkout aws-otel-java-instrumentation
+      uses: actions/checkout@v4
+      with:
+        repository: aws-observability/aws-otel-java-instrumentation
+        ref: release/v1.33.x
+        path: aws-otel-java-instrumentation
+
+    - name: Setup Terraform
+      uses: hashicorp/setup-terraform@v2
+
+    - name: Build and Deploy Lambda Layer
+      run: |
+        cd aws-otel-java-instrumentation/lambda-layer
+        chmod +x build-layer.sh
+        ./build-layer.sh
+
+        LAYER_VERSION_ARN=$(aws lambda publish-layer-version \
+          --layer-name AWSOpenTelemetryDistroJava \
+          --zip-file fileb://build/distributions/aws-opentelemetry-java-layer.zip \
+          --compatible-runtimes "java11" "java17" "java21" \
+          --compatible-architectures "x86_64" "arm64" \
+          --query 'LayerVersionArn' \
+          --output text)
+
+        echo Published layer ARN $LAYER_VERSION_ARN
+
+    - name: Build and Deploy Sample Application with Lambda Layer
+      run: |
+        cd aws-otel-java-instrumentation/sample-apps/apigateway-lambda
+        gradle clean build
+        gradle createLambdaZip
+
+        cd terraform
+        terraform init
+        terraform apply -auto-approve -var "adot_layer_arn=$LAYER_VERSION_ARN"
+
+    - name: Checkout current repository
+      uses: actions/checkout@v4
+      with:
+        path: current-repo
+
+    - name: Run Cold Start Iterations for Base Lambda + Lambda Layer
+      run: |
+        cd current-repo
+        chmod +x lambda-layer-perf-test/lambda-layer-run.sh
+        ./lambda-layer-perf-test/lambda-layer-run.sh false aws-opentelemetry-distro-java
+
+    - name: Remove Application Signals Lambda Layer
+      run: |
+          echo "Removing Lambda layer..."
+
+          OUTPUT=$(aws lambda update-function-configuration \
+              --function-name aws-opentelemetry-distro-java \
+              --layers [])
+
+          echo "Lambda configuration:"
+          echo "$OUTPUT"
+
+          LAYERS=$(echo "$OUTPUT" | jq -r '.Layers | length')
+
+          if [ "$LAYERS" -ne 0 ]; then
+              echo "::error::Found $LAYERS layer(s) still attached to the function"
+              echo "::error::Layer details:"
+              echo "$OUTPUT" | jq -r '.Layers'
+              exit 1
+          else
+              echo "✅ Layers successfully removed"
+          fi
+
+    - name: Run Cold Start Iterations for Base Lambda
+      run: |
+        cd current-repo
+        chmod +x lambda-layer-perf-test/lambda-layer-run.sh
+        ./lambda-layer-perf-test/lambda-layer-run.sh true aws-opentelemetry-distro-java
+
+    - name: Upload test results
+      uses: actions/upload-artifact@v4
+      with:
+        name: java-performance-test-results
+        path: |
+            no_layer_results.txt
+            layer_results.txt
+        retention-days: 90
+
+    - name: Cleanup Terraform Resources
+      if: success() || failure() || cancelled()
+      run: |
+        cd aws-otel-java-instrumentation/sample-apps/apigateway-lambda/terraform
+        echo "Starting Terraform cleanup..."
+        terraform init
+        terraform destroy -auto-approve

.github/workflows/python-lambda-layer-perf-test.yml

@@ -9,7 +9,7 @@ on:
         required: true
         default: 20
         type: number
-        
+
       python_version:
         description: 'The Python version to run the test'
         required: true