Add support for ca_cert_identifier option (#174)

main.tf

@@ -85,6 +85,8 @@ module "db_instance" {
   iops                = var.iops
   publicly_accessible = var.publicly_accessible
 
+  ca_cert_identifier = var.ca_cert_identifier
+
   allow_major_version_upgrade = var.allow_major_version_upgrade
   auto_minor_version_upgrade  = var.auto_minor_version_upgrade
   apply_immediately           = var.apply_immediately

modules/db_instance/main.tf

@@ -89,6 +89,8 @@ resource "aws_db_instance" "this" {
 
   character_set_name = var.character_set_name
 
+  ca_cert_identifier = var.ca_cert_identifier
+
   enabled_cloudwatch_logs_exports = var.enabled_cloudwatch_logs_exports
 
   deletion_protection = var.deletion_protection

modules/db_instance/variables.tf

@@ -273,3 +273,9 @@ variable "max_allocated_storage" {
   type        = number
   default     = 0
 }
+
+variable "ca_cert_identifier" {
+  description = "Specifies the identifier of the CA certificate for the DB instance"
+  type        = string
+  default     = "rds-ca-2015"
+}

variables.tf

@@ -342,3 +342,9 @@ variable "max_allocated_storage" {
   type        = number
   default     = 0
 }
+
+variable "ca_cert_identifier" {
+  description = "Specifies the identifier of the CA certificate for the DB instance"
+  type        = string
+  default     = "rds-ca-2015"
+}