feat: improve example (#52)

examples/default/main.tf

@@ -5,41 +5,52 @@ terraform {
       source  = "hashicorp/azurerm"
       version = ">= 3.7.0, < 4.0.0"
     }
+    random = {
+      source  = "hashicorp/random"
+      version = ">= 3.5.0, < 4.0.0"
+    }
   }
 }
 
 provider "azurerm" {
   features {}
 }
 
-variable "enable_telemetry" {
-  type        = bool
-  default     = true
-  description = <<DESCRIPTION
-This variable controls whether or not telemetry is enabled for the module.
-For more information see https://aka.ms/avm/telemetryinfo.
-If it is set to false, then no telemetry will be collected.
-DESCRIPTION
+## Section to provide a random Azure region for the resource group
+# This allows us to randomize the region for the resource group.
+module "regions" {
+  source  = "Azure/regions/azurerm"
+  version = ">= 0.3.0"
+}
+
+# This allows us to randomize the region for the resource group.
+resource "random_integer" "region_index" {
+  min = 0
+  max = length(module.regions.regions) - 1
 }
+## End of section to provide a random Azure region for the resource group
 
 # This ensures we have unique CAF compliant names for our resources.
 module "naming" {
   source  = "Azure/naming/azurerm"
-  version = "0.4.0"
+  version = ">= 0.3.0"
 }
 
 # This is required for resource modules
 resource "azurerm_resource_group" "this" {
   name     = module.naming.resource_group.name_unique
-  location = "MYLOCATION"
+  location = module.regions.regions[random_integer.region_index.result].name
 }
 
 # This is the module call
-module "MYMODULE" {
+# Do not specify location here due to the randomization above.
+# Leaving location as `null` will cause the module to use the resource group location
+# with a data source.
+module "test" {
   source = "../../"
   # source             = "Azure/avm-<res/ptn>-<name>/azurerm"
   # ...
-  enable_telemetry    = var.enable_telemetry
-  name                = "" # TODO update with module.naming.<RESOURCE_TYPE>.name_unique
+  enable_telemetry    = var.enable_telemetry # see variables.tf
+  name                = ""                   # TODO update with module.naming.<RESOURCE_TYPE>.name_unique
   resource_group_name = azurerm_resource_group.this.name
 }

examples/default/variables.tf

@@ -0,0 +1,9 @@
+variable "enable_telemetry" {
+  type        = bool
+  default     = true
+  description = <<DESCRIPTION
+This variable controls whether or not telemetry is enabled for the module.
+For more information see <https://aka.ms/avm/telemetryinfo>.
+If it is set to false, then no telemetry will be collected.
+DESCRIPTION
+}