Edits per Code Review

quickstart/101-dns_zone/main.tf

@@ -0,0 +1,29 @@
+resource "random_pet" "rg_name" {
+  prefix = var.resource_group_name_prefix
+}
+
+resource "azurerm_resource_group" "rg" {
+  name     = random_pet.rg_name.id
+  location = var.resource_group_location
+}
+
+resource "random_string" "azurerm_dns_zone_name" {
+  length  = 13
+  lower   = true
+  numeric = false
+  special = false
+  upper   = false
+}
+
+resource "azurerm_dns_zone" "zone" {
+  name                = var.dns_zone_name != null ? var.dns_zone_name : "www.${random_string.azurerm_dns_zone_name.result}.azurequickstart.org"
+  resource_group_name = azurerm_resource_group.rg.name
+}
+
+resource "azurerm_dns_a_record" "record" {
+  name                = "www"
+  resource_group_name = azurerm_resource_group.rg.name
+  zone_name           = azurerm_dns_zone.zone.name
+  ttl                 = var.dns_ttl
+  records             = var.dns_records
+}