cleaning up

quickstart/101-azure-functions/main.tf

@@ -1,32 +1,44 @@
-resource "azurerm_resource_group" "az_rg" {
-  name     = var.az_rg_name
-  location = var.location
+resource "random_pet" "rg_name" {
+  prefix = var.resource_group_name_prefix
 }
 
-resource "azurerm_storage_account" "az_sa" {
-  name                     = var.az_sa_name
-  resource_group_name      = azurerm_resource_group.az_rg.name
-  location                 = azurerm_resource_group.az_rg.location
-  account_tier             = var.az_sa_account_tier
-  account_replication_type = var.az_sa_account_replication_type
+resource "azurerm_resource_group" "rg" {
+  location = var.resource_group_location
+  name     = coalesce(var.resource_group_name, random_pet.rg_name.id)
 }
 
-resource "azurerm_app_service_plan" "az_asp" {
-  name                = var.az_asp_name
-  location            = azurerm_resource_group.az_rg.location
-  resource_group_name = azurerm_resource_group.az_rg.name
+resource "random_string" "name" {
+  length  = 13
+  lower   = true
+  numeric = false
+  special = false
+  upper   = false
+}
+
+resource "azurerm_storage_account" "example" {
+  name                     = coalesce(var.sa_name, "sa${random_string.name.result}")
+  resource_group_name      = azurerm_resource_group.rg.name
+  location                 = azurerm_resource_group.rg.location
+  account_tier             = var.sa_account_tier
+  account_replication_type = var.sa_account_replication_type
+}
+
+resource "azurerm_app_service_plan" "example" {
+  name                = coalesce(var.asp_name, "sp${random_string.name.result}")
+  location            = azurerm_resource_group.rg.location
+  resource_group_name = azurerm_resource_group.rg.name
 
   sku {
-    tier = var.az_asp_sku_tier
+    tier = var.asp_sku_tier
     size = "S1"
   }
 }
 
-resource "azurerm_function_app" "az_fa" {
-  name                       = var.az_fa_name
-  location                   = azurerm_resource_group.az_rg.location
-  resource_group_name        = azurerm_resource_group.az_rg.name
-  app_service_plan_id        = azurerm_app_service_plan.az_asp.id
-  storage_account_name       = azurerm_storage_account.az_sa.name
-  storage_account_access_key = azurerm_storage_account.az_sa.primary_access_key
+resource "azurerm_function_app" "example" {
+  name                       = coalesce(var.fa_name, "fa${random_string.name.result}")
+  location                   = azurerm_resource_group.rg.location
+  resource_group_name        = azurerm_resource_group.rg.name
+  app_service_plan_id        = azurerm_app_service_plan.example.id
+  storage_account_name       = azurerm_storage_account.example.name
+  storage_account_access_key = azurerm_storage_account.example.primary_access_key
 }