Aws-cdk: [route53-targets] support APIGatewayV2 as a domain target

[nija-at]

(forked off https://github.com/aws/aws-cdk/issues/8908)

Something like this already exists for RestApi - https://docs.aws.amazon.com/cdk/api/latest/docs/@aws-cdk_aws-route53-targets.ApiGatewayDomain.html

Need similar support for APIGatewayV2.

---

This is a :rocket: Feature Request

[kennu]

I have the same need. While waiting for official support, I used my own function to bind to DomainName:

target: RecordTarget.fromAlias({
  bind: (_record: IRecordSet) => ({
    dnsName: httpDomainName.regionalDomainName,
    hostedZoneId: httpDomainName.regionalHostedZoneId,
  })
})

[christophgysin]

I just copied the ApiGatewayDomain class from aws-apigateway:

class ApiGatewayDomain implements route53.IAliasRecordTarget {
  constructor(private readonly domainName: apigwv2.IDomainName) { }

  public bind(_record: route53.IRecordSet): route53.AliasRecordTargetConfig {
    return {
      dnsName: this.domainName.regionalDomainName,
      hostedZoneId: this.domainName.regionalHostedZoneId,
    };
  }
}

new route53.ARecord(this, 'AliasRecord', {
  zone: hostedZone,
  recordName: 'api',
  target: route53.RecordTarget.fromAlias(new ApiGatewayDomain(domainName)),
});

[davidsteed]

This is easy to do in v1 apigateway
const domain = new apigateway.DomainName(this, "myApiDomain", {
domainName: restAPIDomain,
certificate: certificate,
endpointType: apigateway.EndpointType.REGIONAL,
});
const api = new apigateway.RestApi( "RestAPI", {
restApiName: "API",
description: "REST API",
});

domain.addBasePathMapping(api);

Want an equally straight forward way of doing it for v2. Can't find how to easily specify Endpoint REGIONAL for v2 either.

[github-actions[bot]]

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