support main disk size

debian/main.tf

@@ -29,4 +29,5 @@ module "tf_debian_vm" {
   ansible_command       = var.ansible_command
   mac                   = var.mac
   fixed_dns             = var.fixed_dns
+  disk_size             = var.disk_size
 }

debian/variables.tf

@@ -3,7 +3,7 @@ variable "name" {
 }
 
 variable "domain_name" {
-  type = string
+  type    = string
   default = null
 }
 
@@ -78,6 +78,11 @@ variable "mac" {
 }
 
 variable "fixed_dns" {
-  type = string
+  type    = string
   default = ""
 }
+
+variable "disk_size" {
+  type    = number
+  default = 1024 * 1024 * 1024 * 15
+}