What is @aws-cdk/aws-sqs?
@aws-cdk/aws-sqs is an AWS Cloud Development Kit (CDK) library that allows you to define Amazon Simple Queue Service (SQS) queues in your AWS infrastructure as code. It provides a high-level, object-oriented abstraction to create and manage SQS queues, configure their properties, and integrate them with other AWS services.
What are @aws-cdk/aws-sqs's main functionalities?
Create an SQS Queue
This code sample demonstrates how to create a basic SQS queue with a visibility timeout of 300 seconds using the AWS CDK.
const cdk = require('@aws-cdk/core');
const sqs = require('@aws-cdk/aws-sqs');
class MyStack extends cdk.Stack {
constructor(scope, id, props) {
super(scope, id, props);
const queue = new sqs.Queue(this, 'MyQueue', {
visibilityTimeout: cdk.Duration.seconds(300)
});
}
}
const app = new cdk.App();
new MyStack(app, 'MyStack');
Configure Dead-Letter Queue
This code sample shows how to configure a dead-letter queue for an SQS queue. Messages that are not successfully processed after 5 attempts will be moved to the dead-letter queue.
const cdk = require('@aws-cdk/core');
const sqs = require('@aws-cdk/aws-sqs');
class MyStack extends cdk.Stack {
constructor(scope, id, props) {
super(scope, id, props);
const deadLetterQueue = new sqs.Queue(this, 'DeadLetterQueue');
const queue = new sqs.Queue(this, 'MyQueue', {
deadLetterQueue: {
queue: deadLetterQueue,
maxReceiveCount: 5
}
});
}
}
const app = new cdk.App();
new MyStack(app, 'MyStack');
Integrate SQS with Lambda
This code sample demonstrates how to integrate an SQS queue with an AWS Lambda function. The Lambda function will be triggered whenever a new message is added to the SQS queue.
const cdk = require('@aws-cdk/core');
const sqs = require('@aws-cdk/aws-sqs');
const lambda = require('@aws-cdk/aws-lambda');
const lambdaEventSources = require('@aws-cdk/aws-lambda-event-sources');
class MyStack extends cdk.Stack {
constructor(scope, id, props) {
super(scope, id, props);
const queue = new sqs.Queue(this, 'MyQueue');
const myFunction = new lambda.Function(this, 'MyFunction', {
runtime: lambda.Runtime.NODEJS_14_X,
handler: 'index.handler',
code: lambda.Code.fromAsset('lambda')
});
myFunction.addEventSource(new lambdaEventSources.SqsEventSource(queue));
}
}
const app = new cdk.App();
new MyStack(app, 'MyStack');
Other packages similar to @aws-cdk/aws-sqs
aws-sdk
The aws-sdk package is the official AWS SDK for JavaScript. It provides low-level APIs for interacting with all AWS services, including SQS. Unlike @aws-cdk/aws-sqs, which is used for defining infrastructure as code, aws-sdk is used for making API calls to AWS services from your application code.
serverless
The serverless framework is a popular open-source framework for building and deploying serverless applications. It supports AWS SQS as an event source for AWS Lambda functions. While @aws-cdk/aws-sqs focuses on infrastructure as code, serverless provides a higher-level abstraction for deploying serverless applications, including SQS integration.
pulumi
Pulumi is an infrastructure as code tool that supports multiple cloud providers, including AWS. It allows you to define and manage AWS SQS queues using familiar programming languages. Pulumi is similar to AWS CDK in that it provides a high-level, object-oriented abstraction for defining cloud infrastructure.
AWS SQS Construct Library
Amazon Simple Queue Service (SQS) is a fully managed message queuing service that
enables you to decouple and scale microservices, distributed systems, and serverless
applications. SQS eliminates the complexity and overhead associated with managing and
operating message oriented middleware, and empowers developers to focus on differentiating work.
Using SQS, you can send, store, and receive messages between software components at any volume,
without losing messages or requiring other services to be available.
Installation
Import to your project:
import sqs = require('@aws-cdk/aws-sqs');
Basic usage
Here's how to add a basic queue to your application:
new sqs.Queue(this, 'Queue');
Encryption
If you want to encrypt the queue contents, set the encryption
property. You can have
the messages encrypted with a key that SQS manages for you, or a key that you
can manage yourself.
new sqs.Queue(this, 'Queue', {
encryption: QueueEncryption.Managed,
});
const myKey = new EncryptionKey(this, 'Key');
new sqs.Queue(this, 'Queue', {
encryption: QueueEncryption.Kms,
encryptionMasterKey: myKey
});
First-In-First-Out (FIFO) queues
FIFO queues give guarantees on the order in which messages are dequeued, and have additional
features in order to help guarantee exactly-once processing. For more information, see
the SQS manual. Note that FIFO queues are not available in all AWS regions.
A queue can be made a FIFO queue by either setting fifo: true
, giving it a name which ends
in ".fifo"
, or enabling content-based deduplication (which requires FIFO queues).
0.22.0 (2019-01-10)
This is a major release with multiple breaking changes in the core layers.
Please consult the breaking changes section below for details.
We are focusing these days on finalizing the common patterns and APIs of the CDK
framework and the AWS Construct Library, which is why you are seeing all these
breaking changes. Expect a few more releases with changes of that nature as we
stabilize these APIs, so you might want to hold off with upgrading. We will
communicate when this foundational work is complete.
Bug Fixes
- core: automatic cross-stack refs for CFN resources (#1510) (ca5ee35)
- ecs: correct typo and other minor mistakes in ecs readme (#1448) (9c91b20)
- elbv2: unable to specify load balancer name (#1486) (5b24583), closes #973 #1481
- lambda: use IRole instead of Role to allow imports (#1509) (b909dcd)
- toolkit: fix typo in --rename option description (#1438) (1dd56d4)
- toolkit: support multiple toolkit stacks in the same environment (#1427) (095da14), closes #1416
Features
- apigateway: add tracingEnabled property to APIGW Stage (#1482) (fefa764)
- assets: enable local tooling scenarios such as lambda debugging (#1433) (0d2b633), closes #1432
- aws-cdk: better stack dependency handling (#1511) (b4bbaf0), closes #1508 #1505
- aws-codepipeline: jenkins build and test actions (#1216) (471e8eb)
- aws-codepipeline: support notifications on the ManualApprovalAction (#1368) (068fa46), closes #1222
- aws-ecs: add support Amazon Linux 2 (#1484) (82ec0ff), closes #1483
- aws-kms: allow tagging kms keys (#1485) (f43b4d4)
- aws-lambda: add input and output artifacts to the CodePipeline action (#1390) (fbd7728), closes #1384
- cdk: transparently use constructs from another stack (d7371f0), closes #1324
- cli: allow specifying options using env vars (#1447) (7cd84a0)
- aws resource api linting (breaking changes) (#1434) (8c17ca7), closes #742 #1428
- core: cloudformation condition chaining (#1494) (2169015), closes #1457
- diff: better diff of arbitrary json objects (#1488) (607f997)
- route53: support cname records (#1487) (17eddd1), closes #1420
- step-functions: support parameters option (#1492) (935054a), closes #1480
- core: construct base class changes (breaking) (#1444) (fb22a32), closes #1431 #1441 #189 #1441 #1431
- core: idiomize cloudformation intrinsics functions (#1428) (04217a5), closes #202
- cloudformation: no more generated attribute types in CFN layer (L1) (#1489) (4d6d5ca), closes #1455 #1406
- cloudformation: stop generating legacy cloudformation resources (#1493) (81b4174)
BREAKING CHANGES TO EXPERIMENTAL FEATURES
- Cross-stack references: if you are using
export()
and import()
to share constructs between stacks, you can stop doing that, instead of FooImportProps
accept an IFoo
directly on the consuming stack, and use that object as usual. ArnUtils.fromComponents()
and ArnUtils.parse()
have been moved onto Stack
.- All CloudFormation pseudo-parameter (such as
AWS::AccountId
etc) are now also accessible via Stack
, as stack.accountId
etc. - All CloudFormation intrinsic functions are now represented as static methods under the
Fn
class (e.g. Fn.join(...)
instead of new FnJoin(...).toString()
) resolve()
has been moved to this.node.resolve()
.CloudFormationJSON.stringify()
has been moved to this.node.stringifyJson()
. validate()
now should be protected
.- The deprecated
cloudformation.XxxResource
classes have been removed. Use the CfnXxx
classes instead. - Any
CfnXxx
resource attributes that represented a list of strings are now typed as string[]
s (via #1144). Attributes that represent strings, are still typed as string
(#712) and all other attribute types are represented as cdk.Token
. - route53: The
route53.TXTRecord
class was renamed to route53.TxtRecord
. - route53: record classes now require a
zone
when created (not assuming zone is the parent construct). - lambda: the static "metric" methods moved from
lambda.FunctionRef
to lambda.Function
. - Many AWS resource classes have been changed to conform to API guidelines:
XxxRef
abstract classes are now IXxx
interfacesXxxRefProps
are now XxxImportProps
XxxRef.import(...)
are now Xxx.import(...)
accept XxxImportProps
and return IXxx
export(): XxxImportProps
is now defined in IXxx
and implemented by imported resources