AWS AppSync: add EventBridge as L2 datasource

[mtliendo]

Describe the feature

This feature adds eventBridge as an L2 construct following the release of the L1 construct

Use Case

Customers should have an easy way to add EventBridge as a datasource alongside the current L2 datasource options.

Proposed Solution

// datasource.ts
/**
 * Properties for an AppSync EventBridge datasource
 */
export interface EventBridgeDataSourceProps extends BackedDataSourceProps {
	/**
	 * The EventBridge function to call to interact with this data source
	 */
	readonly eventBridgeBus: IEventBus
}

/**
 * An AppSync datasource backed by a EventBridge function
 */
export class EventBridgeDataSource extends BackedDataSource {
	constructor(scope: Construct, id: string, props: EventBridgeDataSourceProps) {
		super(scope, id, props, {
			type: 'AWS_EVENTBRIDGE',
			eventBridgeConfig: {
				eventBridgeBusArn: props.eventBridgeBus.eventBusArn,
			},
		})
		props.eventBridgeBus.grantInvoke(this)
	}
}

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

CDK version used

0.00.0

Environment details (OS name and version, etc.)

mac m1 mbp

[pahud]

Thank you @mtliendo. I believe the core team will review your PR soon.

[postsa]

@pahud I've implemented this with #25369

[github-actions]

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