aws_route53_record does not display alias names correctly

[chris-brace]

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Terraform Version

Terraform v0.11.13
+ provider.aws v2.1.0
+ provider.helm v0.9.0
+ provider.kubernetes v1.5.2

Affected Resource(s)

• aws_route53_record

Terraform Configuration Files

resource "aws_route53_record" "a_record" {
  zone_id = "${data.aws_route53_zone.brace.zone_id}"
  name    = XXXXXXX
  type    = "A"

  alias {
    name                   = "dualstack.${data.aws_elb.nginx-ingress.dns_name}"
    zone_id                = "${data.aws_elb.nginx-ingress.zone_id}"
    evaluate_target_health = false
  }
}

Plan output

  ~ aws_route53_record.a_record
      alias.2394777190.evaluate_target_health:  "false" => "false"
      alias.2394777190.name:                    "a730c7bd249cb11e9b40b0a9d4fc1bd8-419703141.us-east-2.elb.amazonaws.com" => ""
      alias.2394777190.zone_id:                 "Z3AADJGX6KTTL2" => ""
      alias.~1237102533.evaluate_target_health: "" => "false"
      alias.~1237102533.name:                   "" => "${data.aws_elb.nginx-ingress.dns_name}"
      alias.~1237102533.zone_id:                "" => "${data.aws_elb.nginx-ingress.zone_id}"

Expected Behavior

the alias name should be "dualstack." for alias.xxx.name

Actual Behavior

only the ELB hostname shows up for alias.xxx.name

Steps to Reproduce

1. terraform apply

Important Factoids

nothing that i can tell is different. this is how i set up the aws_elb: it scrapes it out of k8s by looking for the service installed by nginx-ingress.

data "kubernetes_service" "nginx_ingress" {
  metadata {
    name      = "${var.nginx_ingress["helm_name"]}-controller"
    namespace = "nginx-ingress"
  }

  depends_on = ["helm_release.nginx_ingress"]
}

data "aws_elb" "nginx-ingress" {
  name = "${element(split("-", element(split(".", data.kubernetes_service.nginx_ingress.load_balancer_ingress.0.hostname), 0)), 0)}"
}

References

maybe its related to this??

• aws_route53_record: plans that only change set_identifier do not apply correctly #7998

for more info on why dualstack. should really always be prefixed in this situation, search for dualstack on this page https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resource-record-sets-values-alias.html

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