variable for compute nodes

main.tf

@@ -5,8 +5,8 @@ resource "openstack_compute_keypair_v2" "keypair" {
 
 # creates dmznet
 resource "openstack_networking_network_v2" "external_net" {
-  name           = var.external-net
-  admin_state_up = var.admin-state-up
+  name            = var.external-net
+  admin_state_up  = var.admin-state-up
 }
 
 resource "openstack_networking_subnet_v2" "external_subnet" {
@@ -137,7 +137,7 @@ resource "openstack_compute_instance_v2" "c0" {
   flavor_name     = var.flavor
   key_pair        = openstack_compute_keypair_v2.keypair.name
   security_groups = ["default"]
-  count           = 2
+  count           = var.compute_node_count
 
 # defines the networks of the instance
   network {

vars.tf

@@ -44,6 +44,9 @@ variable "image_ood" {
 variable "image_compute" {
   default = "CentOS-7-x86_64-GenericCloud-1905"
 }
+variable "compute_node_count" {
+  default = 2
+}
 
 variable "keypair-name" {
   default = "os-gen-keypair"