changed "net" to "network"

vars.tf

@@ -18,8 +18,8 @@ variable "ood_instance_name" { default = "ood"}
 variable "image_ohpc" {default = "CentOS-7-x86_64-GenericCloud-1905"}
 variable "image_ood" {default = "CentOS-7-x86_64-GenericCloud-1905"}
 variable "flavor" {default = "m1.medium"}
-variable "internal_net" {default = "clusternet"}
-variable "external_net" {default = "dmznet"}
+variable "internal_network" {default = "clusternet"}
+variable "external_network" {default = "dmznet"}
 variable "host_prefix" {default = "164.111.161.%s"}
 variable "ohpc_user" {default = "centos"}
 variable "ood_user" {default = "centos"}