@aws-solutions-constructs/aws-apigateway-lambda NP

aws-apigateway-lambda module

Reference Documentation:	https://docs.aws.amazon.com/solutions/latest/constructs/

Language	Package
Python	`aws_solutions_constructs.aws_apigateway_lambda`
Typescript	`@aws-solutions-constructs/aws-apigateway-lambda`
Java	`software.amazon.awsconstructs.services.apigatewaylambda`

Overview

This AWS Solutions Construct implements an Amazon API Gateway REST API connected to an AWS Lambda function pattern.

Here is a minimal deployable pattern definition:

Typescript

import { Construct } from 'constructs';
import { Stack, StackProps } from 'aws-cdk-lib';
import { ApiGatewayToLambda } from '@aws-solutions-constructs/aws-apigateway-lambda';
import * as lambda from 'aws-cdk-lib/aws-lambda';

new ApiGatewayToLambda(this, 'ApiGatewayToLambdaPattern', {
  lambdaFunctionProps: {
    runtime: lambda.Runtime.NODEJS_16_X,
    handler: 'index.handler',
    code: lambda.Code.fromAsset(`lambda`)
  }
});

Python

from aws_solutions_constructs.aws_apigateway_lambda import ApiGatewayToLambda
from aws_cdk import (
    aws_lambda as _lambda,
    Stack
)
from constructs import Construct

ApiGatewayToLambda(self, 'ApiGatewayToLambdaPattern',
            lambda_function_props=_lambda.FunctionProps(
                runtime=_lambda.Runtime.PYTHON_3_9,
                handler='index.handler',
                code=_lambda.Code.from_asset('lambda')
            )
            )

Java

import software.constructs.Construct;

import software.amazon.awscdk.Stack;
import software.amazon.awscdk.StackProps;
import software.amazon.awscdk.services.lambda.*;
import software.amazon.awscdk.services.lambda.Runtime;
import software.amazon.awsconstructs.services.apigatewaylambda.*;

new ApiGatewayToLambda(this, "ApiGatewayToLambdaPattern", new ApiGatewayToLambdaProps.Builder()
        .lambdaFunctionProps(new FunctionProps.Builder()
                .runtime(Runtime.NODEJS_16_X)
                .code(Code.fromAsset("lambda"))
                .handler("index.handler")
                .build())
        .build());

Pattern Construct Props

Name	Type	Description
existingLambdaObj?	`lambda.Function`	Existing instance of Lambda Function object, providing both this and `lambdaFunctionProps` will cause an error.
lambdaFunctionProps?	`lambda.FunctionProps`	User provided props to override the default props for the Lambda function.
apiGatewayProps?	`api.LambdaRestApiProps`	Optional user-provided props to override the default props for the API.
logGroupProps?	`logs.LogGroupProps`	User provided props to override the default props for for the CloudWatchLogs LogGroup.

Pattern Properties

Name	Type	Description
lambdaFunction	`lambda.Function`	Returns an instance of the Lambda function created by the pattern.
apiGateway	`api.LambdaRestApi`	Returns an instance of the API Gateway REST API created by the pattern.
apiGatewayCloudWatchRole?	`iam.Role`	Returns an instance of the iam.Role created by the construct for API Gateway for CloudWatch access.
apiGatewayLogGroup	`logs.LogGroup`	Returns an instance of the LogGroup created by the construct for API Gateway access logging to CloudWatch.

Default settings

Out of the box implementation of the Construct without any override will set the following defaults:

Amazon API Gateway

Deploy an edge-optimized API endpoint
Enable CloudWatch logging for API Gateway
Configure least privilege access IAM role for API Gateway
Set the default authorizationType for all API methods to IAM
Enable X-Ray Tracing

AWS Lambda Function

Configure limited privilege access IAM role for Lambda function
Enable reusing connections with Keep-Alive for NodeJs Lambda function
Enable X-Ray Tracing
Set Environment Variables
- AWS_NODEJS_CONNECTION_REUSE_ENABLED (for Node 10.x and higher functions)

Architecture

Architecture Diagram

aws cdk awscdk AWS Solutions Constructs Amazon API Gateway AWS Lambda

@aws-cdk/integ-tests-alpha @aws-solutions-constructs/core constructs

@infinitebrahmanuniverse/nolb-_aws-so @everything-registry/sub-chunk-103 @raykrueger/cdk-game-server @stoked-cenv/cdk

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