From 2f255101197493a6a76c1df08d2bead90f3b5e66 Mon Sep 17 00:00:00 2001
From: Martin Sonnberger <martin.sonnberger@sentry.io>
Date: Wed, 27 Aug 2025 11:25:33 +0200
Subject: [PATCH 1/2] feat(aws-lambda): Add description including SDK version
 to layer metadata

---
 src/targets/awsLambdaLayer.ts      | 14 ++++++++++----
 src/utils/awsLambdaLayerManager.ts | 10 ++++++++--
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/targets/awsLambdaLayer.ts b/src/targets/awsLambdaLayer.ts
index d81646db..9b0463bc 100644
--- a/src/targets/awsLambdaLayer.ts
+++ b/src/targets/awsLambdaLayer.ts
@@ -251,7 +251,8 @@ export class AwsLambdaLayerTarget extends BaseTarget {
           this.config.layerName,
           this.config.license,
           artifactBuffer,
-          awsRegions
+          awsRegions,
+          version
         );
 
         let publishedLayers = [];
@@ -316,11 +317,16 @@ export class AwsLambdaLayerTarget extends BaseTarget {
 
         if (!fs.existsSync(baseFilepath)) {
           this.logger.warn(`The ${runtime.name} base file is missing.`);
-          const manifestString = JSON.stringify(runtimeData, undefined, 2) + '\n';
+          const manifestString =
+            JSON.stringify(runtimeData, undefined, 2) + '\n';
           fs.writeFileSync(newVersionFilepath, manifestString);
         } else {
-          const baseData = JSON.parse(fs.readFileSync(baseFilepath, { encoding: 'utf-8' }).toString());
-          const manifestString = JSON.stringify({ ...baseData, ...runtimeData }, undefined, 2) + '\n';
+          const baseData = JSON.parse(
+            fs.readFileSync(baseFilepath, { encoding: 'utf-8' }).toString()
+          );
+          const manifestString =
+            JSON.stringify({ ...baseData, ...runtimeData }, undefined, 2) +
+            '\n';
           fs.writeFileSync(newVersionFilepath, manifestString);
         }
 
diff --git a/src/utils/awsLambdaLayerManager.ts b/src/utils/awsLambdaLayerManager.ts
index fe7fc220..b18edcc1 100644
--- a/src/utils/awsLambdaLayerManager.ts
+++ b/src/utils/awsLambdaLayerManager.ts
@@ -45,19 +45,23 @@ export class AwsLambdaLayerManager {
   private artifactBuffer: Buffer;
   /** Controls if published layers are logged. */
   public verboseInfo = true;
+  /** Version of the SDK. */
+  private sdkVersion: string;
 
   public constructor(
     runtime: CompatibleRuntime,
     layerName: string,
     license: string,
     artifactBuffer: Buffer,
-    awsRegions: string[]
+    awsRegions: string[],
+    sdkVersion: string
   ) {
     this.runtime = runtime;
     this.layerName = layerName;
     this.license = license;
     this.artifactBuffer = artifactBuffer;
     this.awsRegions = awsRegions;
+    this.sdkVersion = sdkVersion;
   }
 
   /**
@@ -75,6 +79,7 @@ export class AwsLambdaLayerManager {
       LayerName: this.layerName,
       CompatibleRuntimes: this.runtime.versions,
       LicenseInfo: this.license,
+      Description: `Sentry AWS Serverless SDK v${this.sdkVersion}`,
     });
     await lambda.addLayerVersionPermission({
       LayerName: this.layerName,
@@ -156,7 +161,8 @@ export async function getRegionsFromAws(): Promise<string[]> {
     );
   }
   const data = await response.text();
-  return new XMLParser().parse(data)
+  return new XMLParser()
+    .parse(data)
     .DescribeRegionsResponse.regionInfo.item.map(
       (region: Region) => region.regionName
     )

From 21f884d334b0f2bb4cd8fb367f2c3878f413246f Mon Sep 17 00:00:00 2001
From: Martin Sonnberger <martin.sonnberger@sentry.io>
Date: Wed, 27 Aug 2025 11:32:52 +0200
Subject: [PATCH 2/2] update test

---
 src/utils/__tests__/awsLambdaLayerManager.test.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/utils/__tests__/awsLambdaLayerManager.test.ts b/src/utils/__tests__/awsLambdaLayerManager.test.ts
index 3bb7ff3f..21364dca 100644
--- a/src/utils/__tests__/awsLambdaLayerManager.test.ts
+++ b/src/utils/__tests__/awsLambdaLayerManager.test.ts
@@ -14,7 +14,8 @@ function getTestAwsLambdaLayerManager(): awsManager.AwsLambdaLayerManager {
     'test layer name',
     'test license',
     Buffer.alloc(0),
-    AWS_TEST_REGIONS
+    AWS_TEST_REGIONS,
+    '0.0.0'
   );
 }