feat: Added support for delegation sets (#22)

README.md

@@ -6,6 +6,7 @@ There are independent submodules:
 
 - [zones](https://github.com/terraform-aws-modules/terraform-aws-route53/tree/master/modules/zones) - to manage Route53 zones
 - [records](https://github.com/terraform-aws-modules/terraform-aws-route53/tree/master/modules/records) - to manage Route53 records
+- [delegation-sets](https://github.com/terraform-aws-modules/terraform-aws-route53/tree/master/modules/delegation-sets) - to manage Route53 delegation sets
 
 ## Usage
 

examples/complete/README.md

@@ -35,6 +35,7 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Source | Version |
 |------|--------|---------|
 | <a name="module_cloudfront"></a> [cloudfront](#module\_cloudfront) | terraform-aws-modules/cloudfront/aws | n/a |
+| <a name="module_delegation_sets"></a> [delegation\_sets](#module\_delegation\_sets) | ../../modules/delegation-sets | n/a |
 | <a name="module_disabled_records"></a> [disabled\_records](#module\_disabled\_records) | ../../modules/records | n/a |
 | <a name="module_records"></a> [records](#module\_records) | ../../modules/records | n/a |
 | <a name="module_records_with_lists"></a> [records\_with\_lists](#module\_records\_with\_lists) | ../../modules/records | n/a |
@@ -59,6 +60,8 @@ No inputs.
 
 | Name | Description |
 |------|-------------|
+| <a name="output_route53_delegation_set_id"></a> [route53\_delegation\_set\_id](#output\_route53\_delegation\_set\_id) | ID of Route53 delegation set |
+| <a name="output_route53_delegation_set_name_servers"></a> [route53\_delegation\_set\_name\_servers](#output\_route53\_delegation\_set\_name\_servers) | Name servers in the Route53 delegation set |
 | <a name="output_route53_record_fqdn"></a> [route53\_record\_fqdn](#output\_route53\_record\_fqdn) | FQDN built using the zone domain and name |
 | <a name="output_route53_record_name"></a> [route53\_record\_name](#output\_route53\_record\_name) | The name of the record |
 | <a name="output_route53_zone_name"></a> [route53\_zone\_name](#output\_route53\_zone\_name) | Name of Route53 zone |

examples/complete/main.tf

@@ -7,12 +7,21 @@ locals {
   #  zone_id = module.zones.route53_zone_zone_id["app.terraform-aws-modules-example.com"]
 }
 
+module "delegation_sets" {
+  source = "../../modules/delegation-sets"
+
+  delegation_sets = {
+    main = {}
+  }
+}
+
 module "zones" {
   source = "../../modules/zones"
 
   zones = {
     "terraform-aws-modules-example.com" = {
-      comment = "terraform-aws-modules-example.com (production)"
+      comment           = "terraform-aws-modules-example.com (production)"
+      delegation_set_id = module.delegation_sets.route53_delegation_set_id.main
       tags = {
         Name = "terraform-aws-modules-example.com"
       }

examples/complete/outputs.tf

@@ -1,3 +1,14 @@
+# delegation sets
+output "route53_delegation_set_id" {
+  description = "ID of Route53 delegation set"
+  value       = module.delegation_sets.route53_delegation_set_id
+}
+
+output "route53_delegation_set_name_servers" {
+  description = "Name servers in the Route53 delegation set"
+  value       = module.delegation_sets.route53_delegation_set_name_servers
+}
+
 # zones
 output "route53_zone_zone_id" {
   description = "Zone ID of Route53 zone"

modules/delegation-sets/README.md

@@ -0,0 +1,83 @@
+# Route53 Delegation Sets
+
+This module creates Route53 delegation sets.
+
+## Usage
+
+### Create Route53 delegation sets and public zones using a delegation set
+
+```hcl
+module "delegation_sets" {
+  source  = "terraform-aws-modules/route53/aws//modules/delegation-sets"
+  version = "~> 2.0"
+
+  delegation_sets = {
+    "myset" = {
+      reference_name = "myset"
+    }
+  }
+}
+
+module "zones" {
+  source  = "terraform-aws-modules/route53/aws//modules/zones"
+  version = "~> 2.0"
+
+  zones = {
+    "myapp1.com" = {
+      comment           = "myapp1.com"
+      delegation_set_id = module.delegation_sets.route53_delegation_set_id["myset"]
+    }
+
+    "myapp2.com" = {
+      comment           = "myapp2.com"
+      delegation_set_id = module.delegation_sets.route53_delegation_set_id["myset"]
+    }
+  }
+
+  tags = {
+    ManagedBy = "Terraform"
+  }
+
+  depends_on = [module.delegation_sets]
+}
+```
+
+<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13.1 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.56 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.56 |
+
+## Modules
+
+No modules.
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [aws_route53_delegation_set.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_delegation_set) | resource |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_create"></a> [create](#input\_create) | Whether to create Route53 delegation sets | `bool` | `true` | no |
+| <a name="input_delegation_sets"></a> [delegation\_sets](#input\_delegation\_sets) | Map of Route53 delegation set parameters | `any` | `{}` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_route53_delegation_set_id"></a> [route53\_delegation\_set\_id](#output\_route53\_delegation\_set\_id) | ID of Route53 delegation set |
+| <a name="output_route53_delegation_set_name_servers"></a> [route53\_delegation\_set\_name\_servers](#output\_route53\_delegation\_set\_name\_servers) | Name servers in the Route53 delegation set |
+| <a name="output_route53_delegation_set_reference_name"></a> [route53\_delegation\_set\_reference\_name](#output\_route53\_delegation\_set\_reference\_name) | Reference name used when the Route53 delegation set has been created |
+<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->

modules/delegation-sets/main.tf

@@ -0,0 +1,5 @@
+resource "aws_route53_delegation_set" "this" {
+  for_each = var.create ? var.delegation_sets : tomap({})
+
+  reference_name = lookup(each.value, "reference_name", null)
+}

modules/delegation-sets/outputs.tf

@@ -0,0 +1,14 @@
+output "route53_delegation_set_id" {
+  description = "ID of Route53 delegation set"
+  value       = { for k, v in aws_route53_delegation_set.this : k => v.id }
+}
+
+output "route53_delegation_set_name_servers" {
+  description = "Name servers in the Route53 delegation set"
+  value       = { for k, v in aws_route53_delegation_set.this : k => v.name_servers }
+}
+
+output "route53_delegation_set_reference_name" {
+  description = "Reference name used when the Route53 delegation set has been created"
+  value       = { for k, v in aws_route53_delegation_set.this : k => v.reference_name }
+}

modules/delegation-sets/variables.tf

@@ -0,0 +1,11 @@
+variable "create" {
+  description = "Whether to create Route53 delegation sets"
+  type        = bool
+  default     = true
+}
+
+variable "delegation_sets" {
+  description = "Map of Route53 delegation set parameters"
+  type        = any
+  default     = {}
+}

modules/delegation-sets/versions.tf

@@ -0,0 +1,7 @@
+terraform {
+  required_version = ">= 0.13.1"
+
+  required_providers {
+    aws = ">= 3.56"
+  }
+}

modules/zones/main.tf

@@ -5,6 +5,8 @@ resource "aws_route53_zone" "this" {
   comment       = lookup(each.value, "comment", null)
   force_destroy = lookup(each.value, "force_destroy", false)
 
+  delegation_set_id = lookup(each.value, "delegation_set_id", null)
+
   dynamic "vpc" {
     for_each = try(tolist(lookup(each.value, "vpc", [])), [lookup(each.value, "vpc", {})])