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CDK constructs for defining an interaction between an Amazon Kinesis Data Stream and an AWS Lambda function.

Project description

aws-kinesisstreams-lambda module

---

Stability: Experimental

This is a developer preview (public beta) module.

All classes are under active development and subject to non-backward compatible changes or removal in any future version. These are not subject to the Semantic Versioning model. This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.


API Reference: http://docs.awssolutionsbuilder.com/aws-solutions-konstruk/latest/api/aws-kinesisstreams-lambda/
Language Package
Python Logo{: style="height:16px;width:16px"} Python aws_solutions_konstruk.aws_kinesisstreams_lambda
Typescript Logo{: style="height:16px;width:16px"} Typescript @aws-solutions-konstruk/aws-kinesisstreams-lambda

This AWS Solutions Konstruk deploys a Kinesis Stream and Lambda function with the appropriate resources/properties for interaction and security.

Here is a minimal deployable pattern definition:

const { KinesisStreamsToLambda } = require('@aws-solutions-konstruk/aws-kinesisstreams-lambda');

new KinesisStreamsToLambda(stack, 'KinesisToLambdaPattern', {
    deployLambda: true,
    eventSourceProps: {
        startingPosition: lambda.StartingPosition.TRIM_HORIZON,
        batchSize: 1
    },
    lambdaFunctionProps: {
        runtime: lambda.Runtime.NODEJS_10_X,
        handler: 'index.handler',
        code: lambda.Code.asset(`${__dirname}/lambda`)
    }
});

Initializer

new KinesisStreamsToLambda(scope: Construct, id: string, props: KinesisStreamsToLambdaProps);

Parameters

Pattern Construct Props

Name Type Description
deployLambda boolean Whether to create a new Lambda function or use an existing Lambda function. If set to false, you must provide an existing function for the existingLambdaObj property.
existingLambdaObj? lambda.Function An optional, existing Lambda function. This property is required if deployLambda is set to false.
lambdaFunctionProps? lambda.FunctionProps Optional user-provided props to override the default props for the Lambda function. This property is only required if deployLambda is set to true.
kinesisStreamProps? kinesis.StreamProps Optional user-provided props to override the default props for the Kinesis stream.
eventSourceProps? lambda.EventSourceMappingOptions Optional user-provided props to override the default props for the Lambda event source mapping.
encryptionKeyProps? kms.KeyProps Optional user-provided props to override the default props for the KMS encryption key.

Pattern Properties

Name Type Description
stream() kinesis.Stream Returns an instance of the Kinesis stream created by the pattern.
lambdaFunction() lambda.Function Returns an instance of the Lambda function created by the pattern.

Architecture

Architecture Diagram


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