Makes client vpn cidr range configurable

terraform/modules/vpc/main.tf

@@ -110,7 +110,7 @@ resource "azurerm_virtual_network_gateway" "vnet_gateway" {
   }
 
   vpn_client_configuration {
-    address_space        = ["172.16.1.0/24"]
+    address_space        = var.vpn_client_cidr
     vpn_client_protocols = ["OpenVPN"]
   }
 }

terraform/modules/vpc/variables.tf

@@ -52,3 +52,9 @@ variable "service_endpoints" {
   description = "A map of the service endpoints and its mapping to subnets"
 
 }
+
+variable "vpn_client_cidr" {
+  type        = list
+  description = "The CIDR range used for clients on the VPN"
+  default     = ["172.16.0.0/16"]
+}