Enable Attribute References for Nested Types

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Description

Some providers (at least the Kubernetes provider) allow attribute references on anonymous interfaces (see #170). It would be good to support this.

That would be something like this:

const namespace = new Namespace(this, 'foo', {})
namespace.inputs.generation

References

https://github.com/hashicorp/terraform-cdk/issues/170

[juliankrispel]

This issue blocked me from migrating this example from the terraform docs the other day:

resource "aws_route53_record" "example" {
  name    = aws_apigatewayv2_domain_name.example.domain_name
  type    = "A"
  zone_id = aws_route53_zone.example.zone_id

  alias {
    name                   = aws_apigatewayv2_domain_name.example.domain_name_configuration[0].target_domain_name
    zone_id                = aws_apigatewayv2_domain_name.example.domain_name_configuration[0].hosted_zone_id
    evaluate_target_health = false
  }
}

domain_name_configuration[0] doesn’t currently contain either target_domain_name or hosted_zone_id

Until this is fixed, a suitable workaround would be to use the escape hatch:

yourRoute53Record.addOverride(‘alias.name’, `${yourGateway.fqn}.domain_name_configuration[0].target_domain_name`)

[github-actions[bot]]

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