migrated to AWS CDK v2 (python)

Author: ejschaefer

apigw-http-api-lambda-cdk/app.py

@@ -1,18 +1,22 @@
 #!/usr/bin/env python3
 import os
-
+from constructs import Construct
 from aws_cdk import (
-    core as cdk,
-    aws_apigatewayv2 as apigatewayv2,
-    aws_apigatewayv2_integrations as integrations,
-    aws_lambda as lambda_,
+    App,
+    Stack,
+    CfnOutput,
+    Duration,
+    aws_lambda as lambda_
 )
+import aws_cdk.aws_apigatewayv2_alpha as _apigw
+import aws_cdk.aws_apigatewayv2_integrations_alpha as _integrations
+
 
 DIRNAME = os.path.dirname(__file__)
 
-class ApigwHttpApiLambdaStack(cdk.Stack):
+class ApigwHttpApiLambdaStack(Stack):
 
-    def __init__(self, scope: cdk.Construct, construct_id: str, **kwargs) -> None:
+    def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
         super().__init__(scope, construct_id, **kwargs)
 
         # Create the Lambda function to receive the request
@@ -29,25 +33,25 @@ def __init__(self, scope: cdk.Construct, construct_id: str, **kwargs) -> None:
         )
 
         # Create the HTTP API with CORS
-        http_api = apigatewayv2.HttpApi(
+        http_api = _apigw.HttpApi(
             self, "MyHttpApi",
-            cors_preflight=apigatewayv2.CorsPreflightOptions(
-                allow_methods=[apigatewayv2.CorsHttpMethod.GET],
+            cors_preflight=_apigw.CorsPreflightOptions(
+                allow_methods=[_apigw.CorsHttpMethod.GET],
                 allow_origins=["*"],
-                max_age=cdk.Duration.days(10),
+                max_age=Duration.days(10),
             )
         )
 
         # Add a route to GET /
         http_api.add_routes(
             path="/",
-            methods=[apigatewayv2.HttpMethod.GET],
-            integration=integrations.LambdaProxyIntegration(handler=lambda_fn),
+            methods=[_apigw.HttpMethod.GET],
+            integration=_integrations.HttpLambdaIntegration("LambdaProxyIntegration", handler=lambda_fn),
         )
 
         # Outputs
-        cdk.CfnOutput(self, "API Endpoint", description="API Endpoint", value=http_api.api_endpoint)
+        CfnOutput(self, "API Endpoint", description="API Endpoint", value=http_api.api_endpoint)
 
-app = cdk.App()
+app = App()
 ApigwHttpApiLambdaStack(app, "ApigwHttpApiLambdaStack")
 app.synth()

apigw-http-api-lambda-cdk/cdk.json

@@ -1,18 +1,30 @@
 {
   "app": "python3 app.py",
+  "watch": {
+    "include": [
+      "**"
+    ],
+    "exclude": [
+      "README.md",
+      "cdk*.json",
+      "requirements*.txt",
+      "source.bat",
+      "**/__init__.py",
+      "python/__pycache__",
+      "tests"
+    ]
+  },
   "context": {
     "@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId": true,
-    "@aws-cdk/core:enableStackNameDuplicates": "true",
-    "aws-cdk:enableDiffNoFail": "true",
-    "@aws-cdk/core:stackRelativeExports": "true",
-    "@aws-cdk/aws-ecr-assets:dockerIgnoreSupport": true,
-    "@aws-cdk/aws-secretsmanager:parseOwnedSecretName": true,
-    "@aws-cdk/aws-kms:defaultKeyPolicies": true,
-    "@aws-cdk/aws-s3:grantWriteWithoutAcl": true,
-    "@aws-cdk/aws-ecs-patterns:removeDefaultDesiredCount": true,
+    "@aws-cdk/core:stackRelativeExports": true,
     "@aws-cdk/aws-rds:lowercaseDbIdentifier": true,
-    "@aws-cdk/aws-efs:defaultEncryptionAtRest": true,
     "@aws-cdk/aws-lambda:recognizeVersionProps": true,
-    "@aws-cdk/aws-cloudfront:defaultSecurityPolicyTLSv1.2_2021": true
+    "@aws-cdk/aws-cloudfront:defaultSecurityPolicyTLSv1.2_2021": true,
+    "@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
+    "@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
+    "@aws-cdk/core:target-partitions": [
+      "aws",
+      "aws-cn"
+    ]
   }
-}
+}

apigw-http-api-lambda-cdk/requirements.txt

@@ -1,3 +1,4 @@
-aws-cdk.aws-apigatewayv2
-aws-cdk.aws-apigatewayv2-integrations
-aws-cdk.aws-lambda
+aws-cdk-lib>=2.13.0
+constructs>=10.0.0,<11.0.0
+aws-cdk.aws-apigatewayv2-alpha
+aws-cdk.aws-apigatewayv2-integrations-alpha