🎉 import from existing project

Author: CorentinDoue

.gitignore

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+*.js
+!jest.config.js
+*.d.ts
+node_modules
+
+# CDK asset staging directory
+.cdk.staging
+cdk.out
+
+# integration test env vars cache
+testConfigCache.json
+testEnvVarsCache.json

.nvmrc

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+v18.16.0

README.md

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+# Lambda internal extension example
+
+This example shows how to create a simple Lambda internal extension
+
+

bin/app.ts

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+#!/usr/bin/env node
+import "source-map-support/register";
+import * as cdk from "aws-cdk-lib";
+import { AppStack } from "../lib/app-stack";
+
+const app = new cdk.App();
+new AppStack(app, "LambdaInternalExtensionExample");

cdk.json

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+{
+  "app": "pnpm ts-node --prefer-ts-exts bin/app.ts",
+  "watch": {
+    "include": ["**"],
+    "exclude": [
+      "README.md",
+      "cdk*.json",
+      "**/*.d.ts",
+      "tsconfig.json",
+      "package*.json",
+      "yarn.lock",
+      "node_modules",
+      "test"
+    ]
+  },
+  "context": {
+    "@aws-cdk/aws-lambda:recognizeLayerVersion": true,
+    "@aws-cdk/core:checkSecretUsage": true,
+    "@aws-cdk/core:target-partitions": ["aws", "aws-cn"],
+    "@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
+    "@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
+    "@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
+    "@aws-cdk/aws-iam:minimizePolicies": true,
+    "@aws-cdk/core:validateSnapshotRemovalPolicy": true,
+    "@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
+    "@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
+    "@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
+    "@aws-cdk/aws-apigateway:disableCloudWatchRole": true,
+    "@aws-cdk/core:enablePartitionLiterals": true,
+    "@aws-cdk/aws-events:eventsTargetQueueSameAccount": true,
+    "@aws-cdk/aws-iam:standardizedServicePrincipals": true,
+    "@aws-cdk/aws-ecs:disableExplicitDeploymentControllerForCircuitBreaker": true,
+    "testEnvVarTypePath": "./testEnvVars.ts"
+  }
+}

lib/app-stack.ts

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+import * as cdk from "aws-cdk-lib";
+import { Construct } from "constructs";
+import {
+  Architecture,
+  Code,
+  LayerVersion,
+  Runtime,
+} from "aws-cdk-lib/aws-lambda";
+import * as path from "path";
+import { HttpApi, HttpMethod } from "@aws-cdk/aws-apigatewayv2-alpha";
+import { TestEnvVar } from "@swarmion/integration-tests";
+import { NodejsFunction } from "aws-cdk-lib/aws-lambda-nodejs";
+import { HttpLambdaIntegration } from "@aws-cdk/aws-apigatewayv2-integrations-alpha";
+
+export class AppStack extends cdk.Stack {
+  constructor(scope: Construct, id: string, props?: cdk.StackProps) {
+    super(scope, id, props);
+
+    const httpApi = new HttpApi(this, "HttpApi");
+
+    new TestEnvVar(this, "API_URL", {
+      value: httpApi.url as string,
+    });
+
+    const interceptorLayer = new LayerVersion(this, "Interceptor", {
+      compatibleRuntimes: [Runtime.NODEJS_18_X],
+      compatibleArchitectures: [Architecture.ARM_64],
+      code: Code.fromAsset("src/layers/interceptorExtension"),
+    });
+
+    const helloFunction = new NodejsFunction(this, "Hello", {
+      architecture: Architecture.ARM_64,
+      memorySize: 256,
+      timeout: cdk.Duration.seconds(5),
+      runtime: Runtime.NODEJS_18_X,
+      handler: "handler",
+      entry: path.join(__dirname, `/../src/functions/hello/handler.ts`),
+      environment: {
+        NODE_OPTIONS: "--enable-source-maps --require /opt/interceptor.js",
+      },
+      layers: [interceptorLayer],
+    });
+
+    const syncNftIntegration = new HttpLambdaIntegration(
+      "Hello",
+      helloFunction
+    );
+
+    httpApi.addRoutes({
+      path: "/hello",
+      methods: [HttpMethod.POST],
+      integration: syncNftIntegration,
+    });
+  }
+}

package.json

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+{
+  "name": "lambda-internal-extension-example",
+  "version": "0.0.1",
+  "bin": {
+    "app": "bin/app.js"
+  },
+  "scripts": {
+    "preinstall": "npx only-allow pnpm",
+    "build": "tsc",
+    "test:type": "tsc --noEmit",
+    "test:unit": "vitest",
+    "test:integration": "vitest run --config vitest.integration.config.ts --passWithNoTests",
+    "cdk": "cdk",
+    "deploy": "pnpm build:layer && cdk deploy",
+    "start": "cdk watch",
+    "build:layer": "./node_modules/.bin/esbuild  ./src/layers/interceptorExtension/interceptor.ts --bundle --outfile='./src/layers/interceptorExtension/interceptor.js' --platform=node"
+  },
+  "devDependencies": {
+    "@swarmion/integration-tests": "^0.27.0",
+    "@types/node": "^18.16.2",
+    "aws-cdk": "^2.77.0",
+    "esbuild": "^0.16.17",
+    "ts-node": "^10.9.1",
+    "typescript": "4.9.4",
+    "vite-tsconfig-paths": "^4.2.0",
+    "vitest": "^0.26.3"
+  },
+  "dependencies": {
+    "@aws-cdk/aws-apigatewayv2-alpha": "^2.77.0-alpha.0",
+    "@aws-cdk/aws-apigatewayv2-integrations-alpha": "^2.77.0-alpha.0",
+    "aws-cdk-lib": "^2.77.0",
+    "constructs": "^10.2.9",
+    "msw": "^1.2.1",
+    "node-fetch": "^3.3.1",
+    "prettier": "^2.8.8",
+    "source-map-support": "^0.5.21"
+  }
+}