Checks for null value for name_prefix (#45)

Signed-off-by: Sean Sundberg <[email protected]>

Author: Sean Sundberg

main.tf

@@ -3,7 +3,7 @@ locals {
   tmp_dir           = "${path.cwd}/.tmp"
   zone_count        = 3
   vpc_zone_names    = [ for index in range(max(local.zone_count, var.address_prefix_count)): "${var.region}-${(index % local.zone_count) + 1}" ]
-  prefix_name       = var.name_prefix != "" ? var.name_prefix : var.resource_group_name
+  prefix_name       = var.name_prefix != "" && var.name_prefix != null ? var.name_prefix : var.resource_group_name
   vpc_name          = lower(replace(var.name != "" ? var.name : "${local.prefix_name}-vpc", "_", "-"))
   vpc_id            = data.ibm_is_vpc.vpc.id
   security_group_count = var.provision ? 2 : 0

variables.tf

@@ -3,6 +3,7 @@ variable "resource_group_id" {
   type        = string
   description = "The id of the IBM Cloud resource group where the VPC instance will be created."
 }
+
 variable "resource_group_name" {
   type        = string
   description = "The name of the IBM Cloud resource group where the VPC instance will be created."