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CDK Constructs for deploying AWS Eventbridge that invokes AWS SQS

Project description

aws-eventbridge-sqs module


Stability: Stable

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


This AWS Solutions Construct implements an Amazon EventBridge rule and an AWS SQS Queue.

Here is a minimal deployable pattern definition:


import { Construct } from 'constructs';
import { Stack, StackProps, Duration } from 'aws-cdk-lib';
import * as events from 'aws-cdk-lib/aws-events';
import * as iam from 'aws-cdk-lib/aws-iam';
import { EventbridgeToSqsProps, EventbridgeToSqs } from "@aws-solutions-constructs/aws-eventbridge-sqs";

const constructProps: EventbridgeToSqsProps = {
  eventRuleProps: {
    schedule: events.Schedule.rate(Duration.minutes(5))

const constructStack = new EventbridgeToSqs(this, 'test-construct', constructProps);

// Grant yourself permissions to use the Customer Managed KMS Key
const policyStatement = new iam.PolicyStatement({
  actions: ["kms:Encrypt", "kms:Decrypt"],
  effect: iam.Effect.ALLOW,
  principals: [new iam.AccountRootPrincipal()],
  resources: ["*"]



from aws_solutions_constructs.aws_eventbridge_sqs import EventbridgeToSqsProps, EventbridgeToSqs
from aws_cdk import (
    aws_events as events,
    aws_iam as iam,
from constructs import Construct

construct_stack = EventbridgeToSqs(self, 'test-construct',

# Grant yourself permissions to use the Customer Managed KMS Key
policy_statement = iam.PolicyStatement(
    actions=["kms:Encrypt", "kms:Decrypt"],



import software.constructs.Construct;
import java.util.List;


final EventbridgeToSqs constructStack = new EventbridgeToSqs(this, "test-construct",
        new EventbridgeToSqsProps.Builder()
                .eventRuleProps(new RuleProps.Builder()

// Grant yourself permissions to use the Customer Managed KMS Key
final PolicyStatement policyStatement = PolicyStatement.Builder.create()
        .actions(List.of("kms:Encrypt", "kms:Decrypt"))
        .principals(List.of(new AccountRootPrincipal()))


Pattern Construct Props

Name Type Description
existingEventBusInterface? events.IEventBus Optional user-provided custom EventBus for construct to use. Providing both this and eventBusProps results an error.
eventBusProps? events.EventBusProps Optional user-provided properties to override the default properties when creating a custom EventBus. Setting this value to {} will create a custom EventBus using all default properties. If neither this nor existingEventBusInterface is provided the construct will use the default EventBus. Providing both this and existingEventBusInterface results an error.
eventRuleProps events.RuleProps User provided eventRuleProps to override the defaults.
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 User provided props to override the default props for the SQS Queue.
enableQueuePurging? boolean Whether to grant additional permissions to the Lambda function enabling it to purge the SQS queue. Defaults to false.
deployDeadLetterQueue? boolean Whether to create a secondary queue to be used as a dead letter queue. Defaults to true.
deadLetterQueueProps? sqs.QueueProps Optional user-provided props to override the default props for the dead letter queue. Only used if the deployDeadLetterQueue property is set 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.
enableEncryptionWithCustomerManagedKey? boolean If no key is provided, this flag determines whether the queue is encrypted with a new CMK or an AWS managed key. This flag is ignored if any of the following are defined: queueProps.encryptionMasterKey, encryptionKey or encryptionKeyProps.
encryptionKey? kms.Key An optional, imported encryption key to encrypt the SQS Queue with.
encryptionKeyProps? kms.KeyProps Optional user provided properties to override the default properties for the KMS encryption key used to encrypt the SQS queue with.

Pattern Properties

Name Type Description
eventBus? events.IEventBus Returns the instance of events.IEventBus used by the construct
eventsRule events.Rule Returns an instance of events.Rule created by the construct
sqsQueue sqs.Queue Returns an instance of sqs.Queue created by the construct
encryptionKey? kms.Key Returns an instance of kms Key used for the SQS queue.
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 EventBridge Rule

  • Grant least privilege permissions to EventBridge rule to publish to the SQS Queue.

Amazon SQS Queue

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


Architecture Diagram

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