changing backup ec2 instance type to gp2

asg.tf

@@ -31,6 +31,7 @@ data "template_file" "userdata" {
     efs_mount_target    = "${var.efs_mount_target}"
     s3_bucket_path      = "${var.s3_bucket_path == "" ? join("", aws_s3_bucket.efs_backup.*.id) : var.s3_bucket_path}"
     backup_archive_name = "${var.backup_archive_name}"
+    source_directory    = "${var.source_directory}"
     region              = "${data.aws_region.current.name}"
   }
 }
@@ -49,6 +50,7 @@ resource "aws_launch_configuration" "backup_efs_node" {
   user_data            = "${data.template_file.userdata.rendered}"
 
   root_block_device {
+    volume_type = "${var.root_volume_type}"
     volume_size = "${var.root_volume_size}"
   }
 }

variables.tf

@@ -17,6 +17,11 @@ variable "instance_type" {
   default     = "t2.micro"
 }
 
+variable "instance_block_device" {
+  description = "The instance type of the backup instance"
+  default     = "gp2"
+}
+
 variable "security_groups" {
   description = "A list of security group IDs for the backup instance to be a member of"
   type        = "list"
@@ -60,6 +65,11 @@ variable "root_volume_size" {
   default     = 10
 }
 
+variable "root_volume_type" {
+  description = "The type of storage the instance will be created with"
+  default     = "gp2"
+}
+
 variable "key_name" {
   description = "An optional SSH key pair to launch the backup instance with"
   default     = ""