From bb9ab8b98b9d8ae3761daf752fc79b810cdb2363 Mon Sep 17 00:00:00 2001
From: Dennis Kieselhorst <mail@dekies.de>
Date: Wed, 18 Sep 2024 09:15:10 +0200
Subject: [PATCH 1/2] add VPC endpoint for CodeGuru profiler

---
 .../main/java/com/unicorn/core/InfrastructureStack.java    | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/core/InfrastructureStack.java b/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/core/InfrastructureStack.java
index 0845d5dfb..bad15c996 100644
--- a/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/core/InfrastructureStack.java
+++ b/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/core/InfrastructureStack.java
@@ -35,6 +35,7 @@ public InfrastructureStack(final Construct scope, final String id, final StackPr
                         .build());
         createEventBridgeVpcEndpoint();
         createDynamoDBVpcEndpoint();
+        createCodeGuruProfilerVpcEndpoint();
         new DatabaseSetupConstruct(this, "UnicornDatabaseConstruct");
     }
 
@@ -136,4 +137,10 @@ private IGatewayVpcEndpoint createDynamoDBVpcEndpoint() {
                 .build();
     }
 
+    private IInterfaceVpcEndpoint createCodeGuruProfilerVpcEndpoint() {
+        return InterfaceVpcEndpoint.Builder.create(this, "CodeGuruProfilerVpcEndpoint")
+                .service(InterfaceVpcEndpointAwsService.CODEGURU_PROFILER)
+                .vpc(this.getVpc())
+                .build();
+    }
 }

From e3c570c891ca19e47069f46ca11ad79d803b17f2 Mon Sep 17 00:00:00 2001
From: Dennis Kieselhorst <mail@dekies.de>
Date: Wed, 18 Sep 2024 09:15:30 +0200
Subject: [PATCH 2/2] enable CodeGuru profiler (hard-coded us-west-2 for
 testing)

---
 .../java/com/unicorn/UnicornStoreStack.java     | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/UnicornStoreStack.java b/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/UnicornStoreStack.java
index 889f170b0..112f4b5ee 100644
--- a/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/UnicornStoreStack.java
+++ b/labs/unicorn-store/infrastructure/cdk/src/main/java/com/unicorn/UnicornStoreStack.java
@@ -10,9 +10,11 @@
 import software.amazon.awscdk.services.apigateway.RestApi;
 import software.amazon.awscdk.services.lambda.Code;
 import software.amazon.awscdk.services.lambda.Function;
+import software.amazon.awscdk.services.lambda.LayerVersion;
 import software.amazon.awscdk.services.lambda.Runtime;
 import software.constructs.Construct;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -64,12 +66,17 @@ private Function createUnicornLambdaFunction() {
                 .handler("com.amazonaws.serverless.proxy.spring.SpringDelegatingLambdaContainerHandler")
                 .vpc(infrastructureStack.getVpc())
                 .securityGroups(List.of(infrastructureStack.getApplicationSecurityGroup()))
+                .profiling(true)
+                .layers(Collections.singletonList(LayerVersion.fromLayerVersionArn(this, "codeguru-profiler", "arn:aws:lambda:us-west-2:157417159150:layer:AWSCodeGuruProfilerJavaAgentLayer:10")))
                 .environment(Map.of(
-                    "MAIN_CLASS", "com.unicorn.store.StoreApplication",
-                    "SPRING_DATASOURCE_PASSWORD", infrastructureStack.getDatabaseSecretString(),
-                    "SPRING_DATASOURCE_URL", infrastructureStack.getDatabaseJDBCConnectionString(),
-                    "SPRING_DATASOURCE_HIKARI_maximumPoolSize", "1",
-                    "AWS_SERVERLESS_JAVA_CONTAINER_INIT_GRACE_TIME", "500"
+                        "MAIN_CLASS", "com.unicorn.store.StoreApplication",
+                        "SPRING_DATASOURCE_PASSWORD", infrastructureStack.getDatabaseSecretString(),
+                        "SPRING_DATASOURCE_URL", infrastructureStack.getDatabaseJDBCConnectionString(),
+                        "SPRING_DATASOURCE_HIKARI_maximumPoolSize", "1",
+                        "AWS_SERVERLESS_JAVA_CONTAINER_INIT_GRACE_TIME", "500",
+                        "JAVA_TOOL_OPTIONS", "-javaagent:/opt/codeguru-profiler-java-agent-standalone.jar",
+                        "AWS_CODEGURU_PROFILER_HEAP_SUMMARY_ENABLED", "true"
+
                 ))
                 .build();
     }

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