feat: Add support for network_type argument (#322)

Author: krewenki

README.md

@@ -225,14 +225,14 @@ Terraform documentation is generated automatically using [pre-commit hooks](http
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.13 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.12 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.28 |
 | <a name="requirement_random"></a> [random](#requirement\_random) | >= 2.2 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 4.12 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 4.28 |
 | <a name="provider_random"></a> [random](#provider\_random) | >= 2.2 |
 
 ## Modules
@@ -343,6 +343,7 @@ No modules.
 | <a name="input_monitoring_interval"></a> [monitoring\_interval](#input\_monitoring\_interval) | The interval, in seconds, between points when Enhanced Monitoring metrics are collected for instances. Set to `0` to disable. Default is `0` | `number` | `0` | no |
 | <a name="input_monitoring_role_arn"></a> [monitoring\_role\_arn](#input\_monitoring\_role\_arn) | IAM role used by RDS to send enhanced monitoring metrics to CloudWatch | `string` | `""` | no |
 | <a name="input_name"></a> [name](#input\_name) | Name used across resources created | `string` | `""` | no |
+| <a name="input_network_type"></a> [network\_type](#input\_network\_type) | The type of network stack to use (IPV4 or DUAL) | `string` | `null` | no |
 | <a name="input_performance_insights_enabled"></a> [performance\_insights\_enabled](#input\_performance\_insights\_enabled) | Specifies whether Performance Insights is enabled or not | `bool` | `null` | no |
 | <a name="input_performance_insights_kms_key_id"></a> [performance\_insights\_kms\_key\_id](#input\_performance\_insights\_kms\_key\_id) | The ARN for the KMS key to encrypt Performance Insights data | `string` | `null` | no |
 | <a name="input_performance_insights_retention_period"></a> [performance\_insights\_retention\_period](#input\_performance\_insights\_retention\_period) | Amount of time in days to retain Performance Insights data. Either 7 (7 days) or 731 (2 years) | `number` | `null` | no |

main.tf

@@ -89,6 +89,7 @@ resource "aws_rds_cluster" "this" {
   kms_key_id                    = var.kms_key_id
   master_password               = var.is_primary_cluster ? local.master_password : null
   master_username               = var.is_primary_cluster ? var.master_username : null
+  network_type                  = var.network_type
   port                          = local.port
   preferred_backup_window       = local.is_serverless ? null : var.preferred_backup_window
   preferred_maintenance_window  = local.is_serverless ? null : var.preferred_maintenance_window

variables.tf

@@ -48,6 +48,12 @@ variable "subnets" {
   default     = []
 }
 
+variable "network_type" {
+  description = "The type of network stack to use (IPV4 or DUAL)"
+  type        = string
+  default     = null
+}
+
 ################################################################################
 # Cluster
 ################################################################################

versions.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.12"
+      version = ">= 4.28"
     }
 
     random = {