chore(core): Pass Lambda Context to custom resource handler (#18056)

… passing context object into user handler.


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*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Fixes #18055

Author: JeffSidedDie

packages/@aws-cdk/core/lib/custom-resource-provider/nodejs-entrypoint.ts

@@ -13,15 +13,15 @@ const CREATE_FAILED_PHYSICAL_ID_MARKER = 'AWSCDK::CustomResourceProviderFramewor
 const MISSING_PHYSICAL_ID_MARKER = 'AWSCDK::CustomResourceProviderFramework::MISSING_PHYSICAL_ID';
 
 export type Response = AWSLambda.CloudFormationCustomResourceEvent & HandlerResponse;
-export type Handler = (event: AWSLambda.CloudFormationCustomResourceEvent) => Promise<HandlerResponse | void>;
+export type Handler = (event: AWSLambda.CloudFormationCustomResourceEvent, context: AWSLambda.Context) => Promise<HandlerResponse | void>;
 export type HandlerResponse = undefined | {
   Data?: any;
   PhysicalResourceId?: string;
   Reason?: string;
   NoEcho?: boolean;
 };
 
-export async function handler(event: AWSLambda.CloudFormationCustomResourceEvent) {
+export async function handler(event: AWSLambda.CloudFormationCustomResourceEvent, context: AWSLambda.Context) {
   external.log(JSON.stringify(event, undefined, 2));
 
   // ignore DELETE event when the physical resource ID is the marker that
@@ -39,7 +39,7 @@ export async function handler(event: AWSLambda.CloudFormationCustomResourceEvent
     // cloudformation (otherwise cfn waits).
     // eslint-disable-next-line @typescript-eslint/no-require-imports
     const userHandler: Handler = require(external.userHandlerIndex).handler;
-    const result = await userHandler(event);
+    const result = await userHandler(event, context);
 
     // validate user response and create the combined event
     const responseEvent = renderResponse(event, result);

packages/@aws-cdk/core/test/custom-resource-provider/nodejs-entrypoint.test.ts

@@ -186,7 +186,7 @@ async function invokeHandler(req: AWSLambda.CloudFormationCustomResourceEvent, u
     actualResponse = responseBody;
   };
 
-  await entrypoint.handler(req);
+  await entrypoint.handler(req, {} as AWSLambda.Context);
   if (!actualResponse) {
     throw new Error('no response sent to cloudformation');
   }