added location field to NSG (#51)

Author: larryclaman

README.md

@@ -24,6 +24,7 @@ resource "azurerm_resource_group" "test" {
 module "network-security-group" {
   source                = "Azure/network-security-group/azurerm"
   resource_group_name   = azurerm_resource_group.test.name
+  location              = "EastUS" # Optional; if not provided, will use Resource Group location
   security_group_name   = "nsg"
   source_address_prefix = ["10.0.3.0/24"]
   predefined_rules = [

main.tf

@@ -4,7 +4,7 @@ data "azurerm_resource_group" "nsg" {
 
 resource "azurerm_network_security_group" "nsg" {
   name                = var.security_group_name
-  location            = data.azurerm_resource_group.nsg.location
+  location            = var.location != "" ? var.location : data.azurerm_resource_group.nsg.location
   resource_group_name = data.azurerm_resource_group.nsg.name
   tags                = var.tags
 }

variables.tf

@@ -14,6 +14,12 @@ variable "tags" {
   default     = {}
 }
 
+variable "location" {
+  description = "Location (Azure Region) for the network security group."
+  # No default - if it's not specified, use the resource group location (see main.tf)
+  default = ""
+}
+
 # Security Rules definition 
 
 # Predefined rules