export bootstrapping-lambda's function name as CfnOutput (extracted as #226 to untangle/unblock #312)

Author: twrichards

cdk/lib/__snapshots__/stack.test.ts.snap

@@ -29,6 +29,15 @@ Object {
     "gu:cdk:version": "49.5.0",
   },
   "Outputs": Object {
+    "BootstrappingLambdaFunctionName": Object {
+      "Description": "pinboard-bootstrapping-lambda-TEST function name",
+      "Export": Object {
+        "Name": "pinboard-bootstrapping-lambda-TEST-function-name",
+      },
+      "Value": Object {
+        "Ref": "pinboardbootstrappinglambdaD2C487DA",
+      },
+    },
     "pinboardbootstrappinglambdaapiEndpoint4DE1E032": Object {
       "Value": Object {
         "Fn::Join": Array [

cdk/lib/stack.ts

@@ -635,6 +635,7 @@ export class PinBoardStack extends GuStack {
 
     const bootstrappingLambdaBasename = "pinboard-bootstrapping-lambda";
     const bootstrappingLambdaApiBaseName = `${bootstrappingLambdaBasename}-api`;
+    const bootstrappingLambdaFunctionName = `${bootstrappingLambdaBasename}-${this.stage}`;
 
     const bootstrappingLambdaFunction = new lambda.Function(
       this,
@@ -656,7 +657,7 @@ export class PinBoardStack extends GuStack {
               "/pinboard/sentryDSN"
             ),
         },
-        functionName: `${bootstrappingLambdaBasename}-${this.stage}`,
+        functionName: bootstrappingLambdaFunctionName,
         code: lambda.Code.fromBucket(
           deployBucket,
           `${this.stack}/${this.stage}/${bootstrappingLambdaApiBaseName}/${bootstrappingLambdaApiBaseName}.zip`
@@ -731,5 +732,11 @@ export class PinBoardStack extends GuStack {
       description: `${bootstrappingLambdaApiBaseName}-hostname`,
       value: `${bootstrappingApiDomainName.domainNameAliasDomainName}`,
     });
+
+    new CfnOutput(this, `BootstrappingLambdaFunctionName`, {
+      exportName: `${bootstrappingLambdaFunctionName}-function-name`,
+      description: `${bootstrappingLambdaFunctionName} function name`,
+      value: `${bootstrappingLambdaFunction.functionName}`,
+    });
   }
 }