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    2.1.0 • Public • Published

    aws-sqs-lambda module

    Stability: Stable

    Reference Documentation:
    Language Package
    Python Logo Python aws_solutions_constructs.aws_sqs_lambda
    Typescript Logo Typescript @aws-solutions-constructs/aws-sqs-lambda
    Java Logo Java

    This AWS Solutions Construct implements an Amazon SQS queue connected to an AWS Lambda function.

    Here is a minimal deployable pattern definition in Typescipr:

    import { SqsToLambda, SqsToLambdaProps } from "@aws-solutions-constructs/aws-sqs-lambda";
    new SqsToLambda(this, 'SqsToLambdaPattern', {
      lambdaFunctionProps: {
          runtime: lambda.Runtime.NODEJS_14_X,
          handler: 'index.handler',
          code: lambda.Code.fromAsset(`${__dirname}/lambda`)


    new SqsToLambda(scope: Construct, id: string, props: SqsToLambdaProps);


    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.
    existingQueueObj? sqs.Queue An optional, existing SQS queue to be used instead of the default queue. Providing both this and queueProps will cause an error.
    queueProps? sqs.QueueProps Optional user-provided props to override the default props for the SQS queue.
    deadLetterQueueProps? sqs.QueueProps Optional user-provided props to override the default props for the dead letter SQS queue.
    deployDeadLetterQueue? boolean Whether to create a secondary queue to be used as a dead letter queue. Defaults to true.
    maxReceiveCount? number The number of times a message can be unsuccessfully dequeued before being moved to the dead letter queue. Defaults to 15.
    sqsEventSourceProps? SqsEventSourceProps Optional user provided properties for the queue event source.

    Pattern Properties

    Name Type Description
    lambdaFunction lambda.Function Returns an instance of the Lambda function created by the pattern.
    sqsQueue sqs.Queue Returns an instance of the SQS queue created by the pattern.
    deadLetterQueue? sqs.Queue Returns an instance of the dead-letter SQS queue created by the pattern.

    Default settings

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

    Amazon SQS Queue

    • Deploy SQS dead-letter queue for the source SQS Queue
    • Enable server-side encryption for source SQS Queue using AWS Managed KMS Key
    • Enforce encryption of data in transit

    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 Diagram

    © Copyright 2021, Inc. or its affiliates. All Rights Reserved.


    npm i @aws-solutions-constructs/aws-sqs-lambda

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