fixed clusternet vars

internal-network/main.tf

-variable "admin-state-up" { }
+variable "admin_state_up" { }
 variable "name" {default = "cluster"}
-variable "public-network-name" { }
-variable "enable-dhcp" {}
+variable "enable_dhcp" {}
 
 # creates clusternet
 resource "openstack_networking_network_v2" "internal_net" {
   name           = "${var.name}-net"
-  admin_state_up = var.admin-state-up
+  admin_state_up = var.admin_state_up
 }
 
 # creates clustersubnet
@@ -16,7 +15,7 @@ resource "openstack_networking_subnet_v2" "internal_subnet" {
   network_id  = openstack_networking_network_v2.internal_net.id
   cidr        = "10.1.1.0/24"
   ip_version  = 4
-  enable_dhcp = var.enable-dhcp
+  enable_dhcp = var.enable_dhcp
 }
 
 output "internal_network_id" {