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feat(pipes-targets): add EventBridge (#30654)
Add EventBridge event bus as a Pipes target.
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packages/@aws-cdk/aws-pipes-targets-alpha/lib/event-bridge.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| import { IInputTransformation, IPipe, ITarget, TargetConfig } from '@aws-cdk/aws-pipes-alpha'; | ||
| import { Token } from 'aws-cdk-lib'; | ||
| import { IEventBus } from 'aws-cdk-lib/aws-events'; | ||
| import { IRole } from 'aws-cdk-lib/aws-iam'; | ||
|
|
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| /** | ||
| * EventBridge target properties. | ||
| */ | ||
| export interface EventBridgeTargetParameters { | ||
| /** | ||
| * The input transformation to apply to the message before sending it to the target. | ||
| * | ||
| * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-pipes-pipe-pipetargetparameters.html#cfn-pipes-pipe-pipetargetparameters-inputtemplate | ||
| * @default - none | ||
| */ | ||
| readonly inputTransformation?: IInputTransformation; | ||
|
|
||
| /** | ||
| * A free-form string used to decide what fields to expect in the event detail. | ||
| * | ||
| * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-pipes-pipe-pipetargeteventbridgeeventbusparameters.html#cfn-pipes-pipe-pipetargeteventbridgeeventbusparameters-detailtype | ||
| * @default - none | ||
| */ | ||
| readonly detailType?: string; | ||
|
|
||
| /** | ||
| * The URL subdomain of the endpoint. | ||
| * | ||
| * @example | ||
| * // if the URL for the endpoint is https://abcde.veo.endpoints.event.amazonaws.com | ||
| * 'abcde.veo' | ||
| * | ||
| * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-pipes-pipe-pipetargeteventbridgeeventbusparameters.html#cfn-pipes-pipe-pipetargeteventbridgeeventbusparameters-endpointid | ||
| * @default - none | ||
| */ | ||
| readonly endpointId?: string; | ||
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|
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| /** | ||
| * AWS resources, identified by Amazon Resource Name (ARN), which the event primarily concerns. | ||
| * | ||
| * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-pipes-pipe-pipetargeteventbridgeeventbusparameters.html#cfn-pipes-pipe-pipetargeteventbridgeeventbusparameters-resources | ||
| * @default - none | ||
| */ | ||
| readonly resources?: string[]; | ||
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| /** | ||
| * The source of the event. | ||
| * | ||
| * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-pipes-pipe-pipetargeteventbridgeeventbusparameters.html#cfn-pipes-pipe-pipetargeteventbridgeeventbusparameters-source | ||
| * @default - none | ||
| */ | ||
| readonly source?: string; | ||
|
|
||
| /** | ||
| * The time stamp of the event, per RFC3339. | ||
| * | ||
| * @see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-pipes-pipe-pipetargeteventbridgeeventbusparameters.html#cfn-pipes-pipe-pipetargeteventbridgeeventbusparameters-time | ||
| * @default - the time stamp of the PutEvents call | ||
| */ | ||
| readonly time?: string; | ||
| } | ||
|
|
||
| /** | ||
| * An EventBridge Pipes target that sends messages to an EventBridge event bus. | ||
| */ | ||
| export class EventBridgeTarget implements ITarget { | ||
| private eventBus: IEventBus; | ||
| private eventBridgeParameters?: EventBridgeTargetParameters; | ||
| public readonly targetArn: string; | ||
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| constructor(eventBus: IEventBus, parameters?: EventBridgeTargetParameters) { | ||
| this.eventBus = eventBus; | ||
| this.targetArn = eventBus.eventBusArn; | ||
| if (parameters) { | ||
| this.eventBridgeParameters = parameters; | ||
| for (const validate of [validateDetailType, validateEndpointId, validateSource, validateTime]) { | ||
| validate(parameters); | ||
| } | ||
| } | ||
| } | ||
|
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| grantPush(grantee: IRole): void { | ||
| this.eventBus.grantPutEventsTo(grantee); | ||
| } | ||
|
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| bind(pipe: IPipe): TargetConfig { | ||
| if (!this.eventBridgeParameters) { | ||
| return { | ||
| targetParameters: {}, | ||
| }; | ||
| } | ||
|
|
||
| return { | ||
| targetParameters: { | ||
| inputTemplate: this.eventBridgeParameters.inputTransformation?.bind(pipe).inputTemplate, | ||
| eventBridgeEventBusParameters: this.eventBridgeParameters, | ||
| }, | ||
| }; | ||
| } | ||
| } | ||
|
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| function validateDetailType({ detailType }: EventBridgeTargetParameters) { | ||
| if (detailType !== undefined && !Token.isUnresolved(detailType)) { | ||
| if (detailType.length < 1 || detailType.length > 128) { | ||
| throw new Error(`Detail type must be between 1 and 128 characters, received ${detailType.length}`); | ||
| } | ||
| } | ||
| } | ||
|
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| function validateEndpointId({ endpointId }: EventBridgeTargetParameters) { | ||
| if (endpointId !== undefined && !Token.isUnresolved(endpointId)) { | ||
| if (endpointId.length < 1 || endpointId.length > 50) { | ||
| throw new Error(`Endpoint id must be between 1 and 50 characters, received ${endpointId.length}`); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function validateSource({ source }: EventBridgeTargetParameters) { | ||
| if (source !== undefined && !Token.isUnresolved(source)) { | ||
| if (source.length < 1 || source.length > 256) { | ||
| throw new Error(`Source must be between 1 and 256 characters, received ${source.length}`); | ||
| } | ||
| } | ||
| } | ||
|
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| function validateTime({ time }: EventBridgeTargetParameters) { | ||
| if (time !== undefined && !Token.isUnresolved(time)) { | ||
| if (time.length < 1 || time.length > 256) { | ||
| throw new Error(`Time must be between 1 and 256 characters, received ${time.length}`); | ||
| } | ||
| } | ||
| } |
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54 changes: 54 additions & 0 deletions
54
packages/@aws-cdk/aws-pipes-targets-alpha/test/__snapshots__/event-bridge.test.ts.snap
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Jest Snapshot v1, https://goo.gl/fbAQLP | ||
|
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| exports[`EventBridge should grant pipe role push access 1`] = ` | ||
| { | ||
| "MyPipeRoleCBC8E9AB": { | ||
| "Properties": { | ||
| "AssumeRolePolicyDocument": { | ||
| "Statement": [ | ||
| { | ||
| "Action": "sts:AssumeRole", | ||
| "Effect": "Allow", | ||
| "Principal": { | ||
| "Service": "pipes.amazonaws.com", | ||
| }, | ||
| }, | ||
| ], | ||
| "Version": "2012-10-17", | ||
| }, | ||
| }, | ||
| "Type": "AWS::IAM::Role", | ||
| }, | ||
| } | ||
| `; | ||
|
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| exports[`EventBridge should grant pipe role push access 2`] = ` | ||
| { | ||
| "MyPipeRoleDefaultPolicy31387C20": { | ||
| "Properties": { | ||
| "PolicyDocument": { | ||
| "Statement": [ | ||
| { | ||
| "Action": "events:PutEvents", | ||
| "Effect": "Allow", | ||
| "Resource": { | ||
| "Fn::GetAtt": [ | ||
| "MyEventBus251E60F8", | ||
| "Arn", | ||
| ], | ||
| }, | ||
| }, | ||
| ], | ||
| "Version": "2012-10-17", | ||
| }, | ||
| "PolicyName": "MyPipeRoleDefaultPolicy31387C20", | ||
| "Roles": [ | ||
| { | ||
| "Ref": "MyPipeRoleCBC8E9AB", | ||
| }, | ||
| ], | ||
| }, | ||
| "Type": "AWS::IAM::Policy", | ||
| }, | ||
| } | ||
| `; |
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