Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
See [CHANGELOG](https://github.com/aws/aws-cdk/blob/bump/1.122.0/CHANGELOG.md)
- Loading branch information
Showing
223 changed files
with
9,684 additions
and
6,006 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
212 changes: 212 additions & 0 deletions
212
packages/@aws-cdk-containers/ecs-service-extensions/lib/extensions/queue.ts
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,212 @@ | ||
| import * as ecs from '@aws-cdk/aws-ecs'; | ||
| import * as sns from '@aws-cdk/aws-sns'; | ||
| import * as subscription from '@aws-cdk/aws-sns-subscriptions'; | ||
| import * as sqs from '@aws-cdk/aws-sqs'; | ||
| import * as cdk from '@aws-cdk/core'; | ||
| import { Service } from '../service'; | ||
| import { Container } from './container'; | ||
| import { ContainerMutatingHook, ServiceExtension } from './extension-interfaces'; | ||
|
|
||
| // Keep this import separate from other imports to reduce chance for merge conflicts with v2-main | ||
| // eslint-disable-next-line no-duplicate-imports, import/order | ||
| import { Construct } from '@aws-cdk/core'; | ||
|
|
||
| /** | ||
| * An interface that will be implemented by all the resources that can be subscribed to. | ||
| */ | ||
| export interface ISubscribable { | ||
| /** | ||
| * All classes implementing this interface must also implement the `subscribe()` method | ||
| */ | ||
| subscribe(extension: QueueExtension): sqs.IQueue; | ||
| } | ||
|
|
||
| /** | ||
| * The settings for the Queue extension. | ||
| */ | ||
| export interface QueueExtensionProps { | ||
| /** | ||
| * The list of subscriptions for this service. | ||
| * | ||
| * @default none | ||
| */ | ||
| readonly subscriptions?: ISubscribable[]; | ||
|
|
||
| /** | ||
| * The user-provided default queue for this service. | ||
| * | ||
| * @default If the `eventsQueue` is not provided, a default SQS Queue is created for the service. | ||
| */ | ||
| readonly eventsQueue?: sqs.IQueue; | ||
| } | ||
|
|
||
| /** | ||
| * The topic-specific settings for creating the queue subscriptions. | ||
| */ | ||
| export interface TopicSubscriptionProps { | ||
| /** | ||
| * The SNS Topic to subscribe to. | ||
| */ | ||
| readonly topic: sns.ITopic; | ||
|
|
||
| /** | ||
| * The user-provided queue to subscribe to the given topic. | ||
| * If the `queue` is not provided, the default `eventsQueue` will subscribe to the given topic. | ||
| * | ||
| * @default none | ||
| */ | ||
| readonly queue?: sqs.IQueue; | ||
| } | ||
|
|
||
| /** | ||
| * The `TopicSubscription` class represents an SNS Topic resource that can be subscribed to by the service queues. | ||
| */ | ||
| export class TopicSubscription implements ISubscribable { | ||
| public readonly topic: sns.ITopic; | ||
|
|
||
| public readonly queue?: sqs.IQueue; | ||
|
|
||
| constructor(props: TopicSubscriptionProps) { | ||
| this.topic = props.topic; | ||
| this.queue = props.queue; | ||
| } | ||
|
|
||
| /** | ||
| * This method sets up SNS Topic subscriptions for the SQS queue provided by the user. If a `queue` is not provided, | ||
| * the default `eventsQueue` subscribes to the given topic. | ||
| * | ||
| * @param extension `QueueExtension` added to the service | ||
| * @returns the queue subscribed to the given topic | ||
| */ | ||
| public subscribe(extension: QueueExtension) : sqs.IQueue { | ||
| let queue = extension.eventsQueue; | ||
| if (this.queue) { | ||
| queue = this.queue; | ||
| } | ||
| this.topic.addSubscription(new subscription.SqsSubscription(queue)); | ||
| return queue; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Settings for the hook which mutates the application container | ||
| * to add the events queue URI to its environment. | ||
| */ | ||
| interface ContainerMutatingProps { | ||
| /** | ||
| * The events queue name and URI to be added to the container environment. | ||
| */ | ||
| readonly environment: { [key: string]: string }; | ||
| } | ||
|
|
||
| /** | ||
| * This hook modifies the application container's environment to | ||
| * add the queue URL for the events queue of the service. | ||
| */ | ||
| class QueueExtensionMutatingHook extends ContainerMutatingHook { | ||
| private environment: { [key: string]: string }; | ||
|
|
||
| constructor(props: ContainerMutatingProps) { | ||
| super(); | ||
| this.environment = props.environment; | ||
| } | ||
|
|
||
| public mutateContainerDefinition(props: ecs.ContainerDefinitionOptions): ecs.ContainerDefinitionOptions { | ||
| return { | ||
| ...props, | ||
|
|
||
| environment: { ...(props.environment || {}), ...this.environment }, | ||
| } as ecs.ContainerDefinitionOptions; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * This extension creates a default `eventsQueue` for the service (if not provided) and accepts a list of objects of | ||
| * type `ISubscribable` that the `eventsQueue` subscribes to. It creates the subscriptions and sets up permissions | ||
| * for the service to consume messages from the SQS Queues. | ||
| * | ||
| * The default queue for this service can be accessed using the getter `<extension>.eventsQueue`. | ||
| */ | ||
| export class QueueExtension extends ServiceExtension { | ||
| private _eventsQueue!: sqs.IQueue; | ||
|
|
||
| private subscriptionQueues = new Set<sqs.IQueue>(); | ||
|
|
||
| private environment: { [key: string]: string } = {}; | ||
|
|
||
| private props?: QueueExtensionProps; | ||
|
|
||
| constructor(props?: QueueExtensionProps) { | ||
| super('queue'); | ||
|
|
||
| this.props = props; | ||
| } | ||
|
|
||
| /** | ||
| * This hook creates (if required) and sets the default queue `eventsQueue`. It also sets up the subscriptions for | ||
| * the provided `ISubscribable` objects. | ||
| * | ||
| * @param service The parent service which this extension has been added to | ||
| * @param scope The scope that this extension should create resources in | ||
| */ | ||
| public prehook(service: Service, scope: Construct) { | ||
| this.parentService = service; | ||
| this.scope = scope; | ||
|
|
||
| let eventsQueue = this.props?.eventsQueue; | ||
| if (!eventsQueue) { | ||
| const deadLetterQueue = new sqs.Queue(this.scope, 'EventsDeadLetterQueue', { | ||
| retentionPeriod: cdk.Duration.days(14), | ||
| }); | ||
|
|
||
| eventsQueue = new sqs.Queue(this.scope, 'EventsQueue', { | ||
| deadLetterQueue: { | ||
| queue: deadLetterQueue, | ||
| maxReceiveCount: 3, | ||
| }, | ||
| }); | ||
| } | ||
| this._eventsQueue = eventsQueue; | ||
|
|
||
| this.environment[`${this.parentService.id.toUpperCase()}_QUEUE_URI`] = this._eventsQueue.queueUrl; | ||
|
|
||
| if (this.props?.subscriptions) { | ||
| for (const subs of this.props.subscriptions) { | ||
| const subsQueue = subs.subscribe(this); | ||
| this.subscriptionQueues.add(subsQueue); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Add hooks to the main application extension so that it is modified to | ||
| * add the events queue URL to the container environment. | ||
| */ | ||
| public addHooks() { | ||
| const container = this.parentService.serviceDescription.get('service-container') as Container; | ||
|
|
||
| if (!container) { | ||
| throw new Error('Queue Extension requires an application extension'); | ||
| } | ||
|
|
||
| container.addContainerMutatingHook(new QueueExtensionMutatingHook({ | ||
| environment: this.environment, | ||
| })); | ||
| } | ||
|
|
||
| /** | ||
| * After the task definition has been created, this hook grants SQS permissions to the task role. | ||
| * | ||
| * @param taskDefinition The created task definition | ||
| */ | ||
| public useTaskDefinition(taskDefinition: ecs.TaskDefinition) { | ||
| this._eventsQueue.grantConsumeMessages(taskDefinition.taskRole); | ||
| for (const queue of this.subscriptionQueues) { | ||
| queue.grantConsumeMessages(taskDefinition.taskRole); | ||
| } | ||
| } | ||
|
|
||
| public get eventsQueue() : sqs.IQueue { | ||
| return this._eventsQueue; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.