moved internal subnet id call above source in the node module

main.tf

@@ -124,8 +124,8 @@ module "ood-instance" {
 # runs the nodes module - creates nodes using variables defined above
 # calls functions from cluster-network and keypair modules to get values created there for use
 module "nodes" {
-    source = "./nodes"
     internal_subnet_id = "${module.cluster-network.internal_subnet_id}"
+    source = "./nodes"
     image_compute = var.image_compute
     flavor = var.flavor
     key_pair = "${module.keypair.keypair_name}"