Create an internal network and use it for each deploy

This will avoid the private ip conflict we are seeing while trying to deploy multiple clusters in the same project

internal-network/main.tf

-variable "name" {default = "cluster"}
+variable "internal_net" {default = ""}
 variable "admin_state_up" { }
 variable "enable_dhcp" {}
 
@@ -21,21 +21,21 @@ provider "openstack" {
 
 # creates clusternet
 resource "openstack_networking_network_v2" "internal_network" {
-  name           = "${var.name}net"
+  name           = var.internal_net
   admin_state_up = var.admin_state_up
 }
 
 # creates clustersubnet
 # cidr is the subnet range (that subnet range and dns nameservers from the network create file in feat-openstack)
 resource "openstack_networking_subnet_v2" "internal_subnet" {
-  name        = "${var.name}subnet"
+  name        = "${var.internal_net}_subnet"
   network_id  = openstack_networking_network_v2.internal_network.id
   cidr        = "10.1.1.0/24"
   ip_version  = 4
   enable_dhcp = var.enable_dhcp
 }
 
-output "id" {
+output "internal_network_id" {
     value = openstack_networking_network_v2.internal_network.id
     depends_on = [openstack_networking_subnet_v2.internal_subnet]
 }