add configurable EBS volume IOPS with default to 3000

Author: Premdeep Saini

main.tf

@@ -25,6 +25,7 @@ resource "aws_instance" "gitlab" {
   root_block_device {
     volume_type           = var.volume_type
     volume_size           = var.volume_size
+    iops                  = var.volume_iops
     delete_on_termination = false
   }
 

variables.tf

@@ -36,6 +36,12 @@ variable "volume_size" {
   description = "Size of root EBS volume for Gitlab instance."
 }
 
+variable "volume_iops" {
+  type        = number
+  default     = 3000
+  description = "IOPS for the Gitlab EBS volume"
+}
+
 variable "public_subnet_ids" {
   type        = list(string)
   description = "List of public subnet Ids for Gitlab load balancer."