CDK Constructs for AWS Cloudfront to AWS API Gateway to AWS Lambda integration.
Project description
aws-cloudfront-apigateway-lambda module
---Reference Documentation: | https://docs.aws.amazon.com/solutions/latest/constructs/ |
---|
Language | Package |
---|---|
Python | aws_solutions_constructs.aws_cloudfront_apigateway_lambda |
Typescript | @aws-solutions-constructs/aws-cloudfront-apigateway-lambda |
Java | software.amazon.awsconstructs.services.cloudfrontapigatewaylambda |
Overview
This AWS Solutions Construct implements an AWS CloudFront fronting an Amazon API Gateway Lambda backed REST API.
Here is a minimal deployable pattern definition:
Typescript
import { Construct } from 'constructs';
import { Stack, StackProps } from 'aws-cdk-lib';
import { CloudFrontToApiGatewayToLambda } from '@aws-solutions-constructs/aws-cloudfront-apigateway-lambda';
import * as lambda from 'aws-cdk-lib/aws-lambda';
new CloudFrontToApiGatewayToLambda(this, 'test-cloudfront-apigateway-lambda', {
lambdaFunctionProps: {
code: lambda.Code.fromAsset(`lambda`),
runtime: lambda.Runtime.NODEJS_16_X,
handler: 'index.handler'
}
});
Python
from aws_solutions_constructs.aws_cloudfront_apigateway_lambda import CloudFrontToApiGatewayToLambda
from aws_cdk import (
aws_lambda as _lambda,
Stack
)
from constructs import Construct
CloudFrontToApiGatewayToLambda(self, 'test-cloudfront-apigateway-lambda',
lambda_function_props=_lambda.FunctionProps(
code=_lambda.Code.from_asset('lambda'),
runtime=_lambda.Runtime.PYTHON_3_9,
handler='index.handler'
)
)
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.cloudfrontapigatewaylambda.*;
new CloudFrontToApiGatewayToLambda(this, "test-cloudfront-apigateway-lambda",
new CloudFrontToApiGatewayToLambdaProps.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 |
Optional 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 API Gateway |
cloudFrontDistributionProps? | cloudfront.DistributionProps |
Optional user provided props to override the default props for CloudFront Distribution |
insertHttpSecurityHeaders? | boolean |
Optional user provided props to turn on/off the automatic injection of best practice HTTP security headers in all responses from CloudFront |
responseHeadersPolicyProps? | cloudfront.ResponseHeadersPolicyProps |
Optional user provided configuration that cloudfront applies to all http responses. |
logGroupProps? | logs.LogGroupProps |
Optional user provided props to override the default props for for the CloudWatchLogs LogGroup. |
cloudFrontLoggingBucketProps? | s3.BucketProps |
Optional user provided props to override the default props for the CloudFront Logging Bucket. |
Pattern Properties
Name | Type | Description |
---|---|---|
cloudFrontWebDistribution | cloudfront.Distribution |
Returns an instance of cloudfront.Distribution created by the construct |
cloudFrontFunction? | cloudfront.Function |
Returns an instance of the Cloudfront function created by the pattern. |
cloudFrontLoggingBucket | s3.Bucket |
Returns an instance of the logging bucket for CloudFront Distribution. |
apiGateway | api.RestApi |
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. |
lambdaFunction | lambda.Function |
Returns an instance of the Lambda function created by the pattern. |
Default settings
Out of the box implementation of the Construct without any override will set the following defaults:
Amazon CloudFront
- Configure Access logging for CloudFront Distribution
- Enable automatic injection of best practice HTTP security headers in all responses from CloudFront Distribution
Amazon API Gateway
- Deploy a regional 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 NONE
- 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
© Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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