diff --git a/prepare-vms/terraform/openstack/machines.tf b/prepare-vms/terraform/openstack/machines.tf
index b0d42eaa..8f5c47ac 100644
--- a/prepare-vms/terraform/openstack/machines.tf
+++ b/prepare-vms/terraform/openstack/machines.tf
@@ -14,8 +14,7 @@ resource "openstack_compute_instance_v2" "machine" {
 
 resource "openstack_compute_floatingip_v2" "machine" {
   count = var.how_many_nodes
-  # This is something provided to us by Enix when our tenant was provisioned.
-  pool = "Public Floating"
+  pool  = var.pool
 }
 
 resource "openstack_compute_floatingip_associate_v2" "machine" {
diff --git a/prepare-vms/terraform/openstack/network.tf b/prepare-vms/terraform/openstack/network.tf
index 0b6f8c2c..849de079 100644
--- a/prepare-vms/terraform/openstack/network.tf
+++ b/prepare-vms/terraform/openstack/network.tf
@@ -12,7 +12,7 @@ resource "openstack_networking_subnet_v2" "internal" {
 
 resource "openstack_networking_router_v2" "router" {
   name                = var.prefix
-  external_network_id = "15f0c299-1f50-42a6-9aff-63ea5b75f3fc"
+  external_network_id = var.external_network_id
 }
 
 resource "openstack_networking_router_interface_v2" "router_internal" {
diff --git a/prepare-vms/terraform/openstack/variables.tf b/prepare-vms/terraform/openstack/variables.tf
index b4f3b8d2..5d19b3fc 100644
--- a/prepare-vms/terraform/openstack/variables.tf
+++ b/prepare-vms/terraform/openstack/variables.tf
@@ -14,3 +14,13 @@ variable "image" {
   type    = string
   default = "Ubuntu 22.04"
 }
+
+// For example: "Public training floating"
+variable "pool" {
+  type = string
+}
+
+// For example: "74e32174-cf09-452f-bda0-2bdfe074e251"
+variable "external_network_id" {
+  type = string
+}