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CDK Constructs for AWS S3 to AWS Step Function integration

Project description

aws-s3-step-function module

---

Stability: Experimental

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 This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.


Reference Documentation: https://docs.aws.amazon.com/solutions/latest/constructs/
Language Package
Python Logo Python aws_solutions_constructs.aws_s3_step_function
Typescript Logo Typescript @aws-solutions-constructs/aws-s3-step-function
Java Logo Java software.amazon.awsconstructs.services.s3stepfunction

This AWS Solutions Construct implements an Amazon S3 bucket connected to an AWS Step Function.

Here is a minimal deployable pattern definition:

const { S3ToStepFunction, S3ToStepFunctionProps } = require('@aws-solutions-constructs/aws-s3-step-function');

const startState = new stepfunctions.Pass(stack, 'StartState');

const props: S3ToStepFunctionProps = {
    stateMachineProps: {
      definition: startState
    }
};

new S3ToStepFunction(stack, 'test-s3-step-function-stack', props);

Initializer

new S3ToStepFunction(scope: Construct, id: string, props: S3ToStepFunctionProps);

Parameters

Pattern Construct Props

Name Type Description
existingBucketObj? s3.Bucket Existing instance of S3 Bucket object, if this is set then the bucketProps is ignored.
bucketProps? s3.BucketProps User provided props to override the default props for the S3 Bucket.
stateMachineProps sfn.StateMachineProps Optional user provided props to override the default props for sfn.StateMachine
eventRuleProps? events.RuleProps Optional user provided eventRuleProps to override the defaults
deployCloudTrail? boolean Whether to deploy a Trail in AWS CloudTrail to log API events in Amazon S3

Pattern Properties

Name Type Description
stateMachine sfn.StateMachine Returns an instance of sfn.StateMachine created by the construct
stateMachineLogGroup logs.LogGroup Returns an instance of the LogGroup created by the construct for StateMachine
cloudwatchAlarms cloudwatch.Alarm[] Returns a list of cloudwatch.Alarm created by the construct
s3Bucket s3.Bucket Returns an instance of the s3.Bucket created by the construct
s3LoggingBucket? s3.Bucket Returns an instance of s3.Bucket created by the construct as the logging bucket for the primary bucket.
cloudtrail cloudtrail.Trail Returns an instance of the cloudtrail.Trail created by the construct
cloudtrailBucket s3.Bucket Returns an instance of the s3.Bucket created by the construct for CloudTrail
cloudtrailLoggingBucket s3.Bucket Returns an instance of s3.Bucket created by the construct as the logging bucket for the primary CloudTrail bucket.

Default settings

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

Amazon S3 Bucket

  • Configure Access logging for S3 Bucket
  • Enable server-side encryption for S3 Bucket using AWS managed KMS Key
  • Turn on the versioning for S3 Bucket
  • Don't allow public access for S3 Bucket
  • Retain the S3 Bucket when deleting the CloudFormation stack

AWS CloudTrail

  • Configure a Trail in AWS CloudTrail to log API events in Amazon S3 related to the Bucket created by the Construct

Amazon CloudWatch Events Rule

  • Grant least privilege permissions to CloudWatch Events to trigger the Lambda Function

AWS Step Function

  • Enable CloudWatch logging for API Gateway
  • Deploy best practices CloudWatch Alarms for the Step Function

Architecture

Architecture Diagram


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