Add ability to specify rds instance class (#371)

* add variable to specify rds instance class type

* changeset

.changeset/hot-readers-relate.md

@@ -0,0 +1,5 @@
+---
+"@common-fate/terraform-aws-common-fate-deployment": patch
+---
+
+add variable to set custom rds database instance class type

main.tf

@@ -74,6 +74,7 @@ module "control_plane_db" {
   apply_immediately              = var.rds_apply_immediately
   snapshot_identifier            = var.rds_snapshot_identifier
   rds_instance_identifier_suffix = var.rds_instance_identifier_suffix
+  rds_instance_type = var.rds_instance_type
 }
 
 

modules/database/main.tf

@@ -22,7 +22,7 @@ resource "aws_db_instance" "pg_db" {
   allocated_storage            = 20
   engine                       = "postgres"
   engine_version               = "15"
-  instance_class               = "db.t3.micro"
+  instance_class               = var.rds_instance_type
   db_name                      = "postgres"
   username                     = "postgres"
   manage_master_user_password  = true

modules/database/variables.tf

@@ -74,3 +74,9 @@ variable "rds_instance_identifier_suffix" {
   type        = string
   default     = null
 }
+
+variable "rds_instance_type" {
+  description = "(Optional) specify the instance type of the RDS instance. defaults to db.t3.micro,"
+  type        = string
+  default     = "db.t3.micro"
+}

variables.tf

@@ -509,3 +509,9 @@ variable "saml_allow_idp_initiated_sign_in" {
   default     = false
   type        = bool
 }
+
+variable "rds_instance_type" {
+  description = "(Optional) specify the instance type of the RDS instance. defaults to db.t3.micro,"
+  type        = string
+  default     = "db.t3.micro"
+}