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'

Examples

none

Related modules

• dynamodb-table
• lambda-function

Parameters

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