@cfn-modules/lambda-event-source-dynamodb-stream

DynamoDB stream event source for AWS Lambda function

Usage no npm install needed!

<script type="module">
  import cfnModulesLambdaEventSourceDynamodbStream from 'https://cdn.skypack.dev/@cfn-modules/lambda-event-source-dynamodb-stream';
</script>

README

Build Status NPM version

cfn-modules: AWS Lambda event source: DynamoDB stream

DynamoDB stream event source for AWS Lambda function.

Install

Install Node.js and npm first!

npm i @cfn-modules/lambda-event-source-dynamodb-stream

Usage

You have to set the StreamViewType parameter in the lambda-function module to != DISABLED to make this event source work.

---
AWSTemplateFormatVersion: '2010-09-09'
Description: 'cfn-modules example'
Resources:
  EventSource:
    Type: 'AWS::CloudFormation::Stack'
    Properties:
      Parameters:
        LambdaModule: !GetAtt 'Function.Outputs.StackName' # required
        TableModule: !GetAtt 'Table.Outputs.StackName' # required
        BatchSize: '10' # optional
        StartingPosition: LATEST # optional
      TemplateURL: './node_modules/@cfn-modules/lambda-event-source-dynamodb-stream/module.yml'

Parameters

Name Description Default Required? Allowed values
LambdaModule Stack name of lambda-function module yes
TableModule Stack name of dynamodb-table module module (with StreamViewType != DISABLED) yes
BatchSize The largest number of messages that Lambda retrieves from your queue at once. 10 no [1-10000]
StartingPosition The position in the stream where Lambda starts reading LATEST no [LATEST, TRIM_HORIZON]