update: replace sub and base domain input with domain

Author: rohit-ng

modules/route-53-record/README.md

@@ -6,7 +6,7 @@ No requirements.
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | n/a |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | 5.60.0 |
 
 ## Modules
 
@@ -17,7 +17,7 @@ No modules.
 | Name | Type |
 |------|------|
 | [aws_route53_record.record](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record) | resource |
-| [aws_acm_certificate.base_domain_certificate](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/acm_certificate) | data source |
+| [aws_acm_certificate.domain](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/acm_certificate) | data source |
 | [aws_route53_zone.zone](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/route53_zone) | data source |
 
 ## Inputs
@@ -26,8 +26,7 @@ No modules.
 |------|-------------|------|---------|:--------:|
 | <a name="input_alb_dns_name"></a> [alb\_dns\_name](#input\_alb\_dns\_name) | ALB DNS name | `string` | n/a | yes |
 | <a name="input_alb_zone_id"></a> [alb\_zone\_id](#input\_alb\_zone\_id) | ALB zone ID | `string` | n/a | yes |
-| <a name="input_base_domain"></a> [base\_domain](#input\_base\_domain) | The base domain for the Route 53 zone | `string` | n/a | yes |
-| <a name="input_endpoints"></a> [endpoints](#input\_endpoints) | A list of endpoints for which to create Route 53 records | `list(string)` | n/a | yes |
+| <a name="input_domain"></a> [domain](#input\_domain) | Domain name | `string` | n/a | yes |
 
 ## Outputs
 

modules/route-53-record/data.tf

@@ -1,8 +1,22 @@
+locals {
+  domain_parts = regexall("(.*\\.)?(.*\\..*)", var.domain)
+  base_domain  = length(local.domain_parts) > 0 && length(local.domain_parts[0]) > 1 ? local.domain_parts[0][1] : var.domain
+}
+
+data "aws_acm_certificate" "domain" {
+  domain      = local.base_domain
+  statuses    = ["ISSUED"]
+  most_recent = false
+}
+
+data "aws_route53_zone" "zone" {
+  name = local.base_domain
+}
+
 resource "aws_route53_record" "record" {
-  for_each = toset(var.endpoints)
-  zone_id  = data.aws_route53_zone.zone.zone_id
-  name     = each.key
-  type     = "A"
+  zone_id = data.aws_route53_zone.zone.zone_id
+  name    = var.domain
+  type    = "A"
 
   alias {
     name                   = var.alb_dns_name

modules/route-53-record/main.tf

@@ -1,6 +1,6 @@
 output "certificate_arn" {
   description = "ARN of the base domain certificate"
-  value       = data.aws_acm_certificate.base_domain_certificate.arn
+  value       = data.aws_acm_certificate.domain.arn
 }
 
 output "zone_id" {

modules/route-53-record/outputs.tf

@@ -1,13 +1,8 @@
-variable "base_domain" {
-  description = "The base domain for the Route 53 zone"
+variable "domain" {
+  description = "Domain name"
   type        = string
 }
 
-variable "endpoints" {
-  description = "A list of endpoints for which to create Route 53 records"
-  type        = list(string)
-}
-
 variable "alb_dns_name" {
   description = "ALB DNS name"
   type        = string