migrated to AWS CDK v2 (python)

Author: ejschaefer

lambda-sns-sms-cdk/app.py

@@ -1,18 +1,9 @@
 #!/usr/bin/env python3
-import os
-
-from aws_cdk import core as cdk
-
-# For consistency with TypeScript code, `cdk` is the preferred import name for
-# the CDK's core module.  The following line also imports it as `core` for use
-# with examples from the CDK Developer's Guide, which are in the process of
-# being updated to use `cdk`.  You may delete this import if you don't need it.
-from aws_cdk import core
-
+from aws_cdk import App
 from lambda_sns_sms_cdk.lambda_sns_sms_cdk_stack import LambdaSnsSmsCdkStack
 
 
-app = core.App()
+app = App()
 LambdaSnsSmsCdkStack(app, "LambdaSnsSmsCdkStack",
     # If you don't specify 'env', this stack will be environment-agnostic.
     # Account/Region-dependent features and context lookups will not work,

lambda-sns-sms-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"
+    ]
   }
 }

lambda-sns-sms-cdk/lambda_sns_sms_cdk/lambda_sns_sms_cdk_stack.py

@@ -1,31 +1,32 @@
-from aws_cdk import core as cdk
-from aws_cdk import aws_lambda
-from aws_cdk import aws_iam as iam
-from aws_cdk import aws_logs as logs
-
-# For consistency with other languages, `cdk` is the preferred import name for
-# the CDK's core module.  The following line also imports it as `core` for use
-# with examples from the CDK Developer's Guide, which are in the process of
-# being updated to use `cdk`.  You may delete this import if you don't need it.
-from aws_cdk import core
-
-
-class LambdaSnsSmsCdkStack(cdk.Stack):
-
-    def __init__(self, scope: cdk.Construct, construct_id: str, **kwargs) -> None:
+from aws_cdk import (
+    Stack,
+    RemovalPolicy,
+    Duration,
+    CfnParameter,
+    CfnOutput,
+    aws_lambda,
+    aws_iam as iam,
+    aws_logs as logs
+)
+from constructs import Construct
+
+
+class LambdaSnsSmsCdkStack(Stack):
+
+    def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
         super().__init__(scope, construct_id, **kwargs)
 
-        phoneNumber = core.CfnParameter(self, "phoneNumber", type="String",
+        phoneNumber = CfnParameter(self, "phoneNumber", type="String",
                                         description="Recipient phone number")
-        tenDLC = core.CfnParameter(self, "tenDLC", type="String",
+        tenDLC = CfnParameter(self, "tenDLC", type="String",
                                    description="10DLC origination number")
 
         # We create a log group so it will be gracefully cleaned up on a destroy event.  By default
         # logs never expire and won't be removed.
         lambdaLogGroup = logs.LogGroup(self,
                                        'SMSPublisherFunctionLogGroup',
                                        log_group_name='/aws/lambda/SMSPublisherFunction',
-                                       removal_policy=core.RemovalPolicy.DESTROY,
+                                       removal_policy=RemovalPolicy.DESTROY,
                                        retention=logs.RetentionDays.FIVE_DAYS,
                                        )
 
@@ -35,7 +36,7 @@ def __init__(self, scope: cdk.Construct, construct_id: str, **kwargs) -> None:
                                                    function_name='SMSPublisherFunction',
                                                    handler='app.handler',
                                                    runtime=aws_lambda.Runtime.NODEJS_12_X,
-                                                   timeout=core.Duration.seconds(3),
+                                                   timeout=Duration.seconds(3),
                                                    memory_size=128,
                                                    environment={'phoneNumber': phoneNumber.value_as_string,
                                                                 'tenDLC': tenDLC.value_as_string},
@@ -55,7 +56,7 @@ def __init__(self, scope: cdk.Construct, construct_id: str, **kwargs) -> None:
         # Make sure the log group is created prior to the function so CDK doesn't create a new one
         SMSPublisherFunction.node.add_dependency(lambdaLogGroup)
 
-        core.CfnOutput(self,
+        CfnOutput(self,
                        'SMSPublisherFunctionName',
                        description='SMSPublisherFunction function name',
                        value=SMSPublisherFunction.function_name

lambda-sns-sms-cdk/requirements.txt

@@ -1,4 +1,2 @@
-aws_cdk.aws_logs
-aws_cdk.aws_lambda
-aws_cdk.aws_iam
--e .
+aws-cdk-lib==2.13.0
+constructs>=10.0.0,<11.0.0