101-managed-instance patch (#181)

* fix example

quickstart/101-managed-instance/main.tf

@@ -3,20 +3,20 @@
 
 # Create resource group
 resource "azurerm_resource_group" "example" {
-  name     = var.azurerm_resource_group_name
+  name     = "${random_pet.prefix.id}-rg"
   location = var.location
 }
 
 # Create security group
 resource "azurerm_network_security_group" "example" {
-  name                = var.azurerm_network_security_group_name
+  name                = "${random_pet.prefix.id}-nsg"
   location            = azurerm_resource_group.example.location
   resource_group_name = azurerm_resource_group.example.name
 }
 
 # Create a virtual network
 resource "azurerm_virtual_network" "example" {
-  name                = var.azurerm_virtual_network_name
+  name                = "${random_pet.prefix.id}-vnet"
   resource_group_name = azurerm_resource_group.example.name
   address_space       = ["10.0.0.0/24"]
   location            = azurerm_resource_group.example.location
@@ -24,7 +24,7 @@ resource "azurerm_virtual_network" "example" {
 
 # Create a subnet
 resource "azurerm_subnet" "example" {
-  name                 = var.azurerm_subnet_name
+  name                 = "${random_pet.prefix.id}-subnet"
   resource_group_name  = azurerm_resource_group.example.name
   virtual_network_name = azurerm_virtual_network.example.name
   address_prefixes     = ["10.0.0.0/27"]
@@ -51,7 +51,7 @@ resource "azurerm_subnet_network_security_group_association" "example" {
 
 # Create a route table
 resource "azurerm_route_table" "example" {
-  name                          = "routetable-mi-terraform"
+  name                          = "${random_pet.prefix.id}-rt"
   location                      = azurerm_resource_group.example.location
   resource_group_name           = azurerm_resource_group.example.name
   disable_bgp_route_propagation = false
@@ -64,15 +64,29 @@ resource "azurerm_subnet_route_table_association" "example" {
 }
 
 # Create managed instance
-resource "azurerm_mssql_managed_instance" "example" {
-  name                         = var.database_name
+resource "azurerm_mssql_managed_instance" "main" {
+  name                         = "${random_pet.prefix.id}-mssql"
   resource_group_name          = azurerm_resource_group.example.name
   location                     = azurerm_resource_group.example.location
   subnet_id                    = azurerm_subnet.example.id
-  administrator_login          = var.administrator_login
-  administrator_login_password = var.administrator_login_password
+  administrator_login          = "${replace(random_pet.prefix.id, "-", "")}admin"
+  administrator_login_password = random_password.password.result
   license_type                 = var.license_type
   sku_name                     = var.sku_name
   vcores                       = var.vcores
   storage_size_in_gb           = var.storage_size_in_gb
 }
+
+resource "random_password" "password" {
+  length      = 20
+  min_lower   = 1
+  min_upper   = 1
+  min_numeric = 1
+  min_special = 1
+  special     = true
+}
+
+resource "random_pet" "prefix" {
+  prefix = var.prefix
+  length = 1
+}