Merge branch 'test_aurora_ha' of https://github.com/hashicorp/terrafo…

…rm-aws-terraform-enterprise into test_aurora_ha

modules/aurora_database_cluster/variables.tf

@@ -9,11 +9,21 @@ variable "network_id" {
 variable "db_name" {
   type        = string
   description = "PostgreSQL instance name. No special characters."
+
+    validation {
+    condition     = can(regex("^[a-zA-Z0-9]+$", var.db_name))
+    error_message = "The db_name must only contain alphanumeric characters."
+  }
 }
 
 variable "db_username" {
   type        = string
   description = "PostgreSQL instance username. No special characters."
+
+  validation {
+    condition     = can(regex("^[a-zA-Z0-9]+$", var.db_username))
+    error_message = "The db_name must only contain alphanumeric characters."
+  }
 }
 
 variable "db_size" {