Add variable delete_data_disks_on_termination (#170)

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Co-authored-by: root <root@ubuntu-wyp.4smfdm3ngeyufpdz0muw5zebpc.bx.internal.cloudapp.net>

Author: yupwei68

README.md

@@ -182,24 +182,25 @@ data "azurerm_key_vault_certificate" "example" {
 }
 
 module "linuxservers" {
-  source                        = "Azure/compute/azurerm"
-  resource_group_name           = azurerm_resource_group.example.name
-  vm_hostname                   = "mylinuxvm"
-  nb_public_ip                  = 0
-  remote_port                   = "22"
-  nb_instances                  = 2
-  vm_os_publisher               = "Canonical"
-  vm_os_offer                   = "UbuntuServer"
-  vm_os_sku                     = "18.04-LTS"
-  vnet_subnet_id                = module.network.vnet_subnets[0]
-  boot_diagnostics              = true
-  delete_os_disk_on_termination = true
-  nb_data_disk                  = 2
-  data_disk_size_gb             = 64
-  data_sa_type                  = "Premium_LRS"
-  enable_ssh_key                = true
-  ssh_key_values                = ["ssh-rsa AAAAB3NzaC1yc2EAAAAD..."]  
-  vm_size                       = "Standard_D4s_v3"
+  source                           = "Azure/compute/azurerm"
+  resource_group_name              = azurerm_resource_group.example.name
+  vm_hostname                      = "mylinuxvm"
+  nb_public_ip                     = 0
+  remote_port                      = "22"
+  nb_instances                     = 2
+  vm_os_publisher                  = "Canonical"
+  vm_os_offer                      = "UbuntuServer"
+  vm_os_sku                        = "18.04-LTS"
+  vnet_subnet_id                   = module.network.vnet_subnets[0]
+  boot_diagnostics                 = true
+  delete_os_disk_on_termination    = true
+  nb_data_disk                     = 2
+  data_disk_size_gb                = 64
+  data_sa_type                     = "Premium_LRS"
+  enable_ssh_key                   = true
+  ssh_key_values                   = ["ssh-rsa AAAAB3NzaC1yc2EAAAAD..."]
+  vm_size                          = "Standard_D4s_v3"
+  delete_data_disks_on_termination = true
 
   tags = {
     environment = "dev"

main.tf

@@ -30,14 +30,15 @@ resource "azurerm_storage_account" "vm-sa" {
 }
 
 resource "azurerm_virtual_machine" "vm-linux" {
-  count                         = ! contains(tolist([var.vm_os_simple, var.vm_os_offer]), "WindowsServer") && ! var.is_windows_image ? var.nb_instances : 0
-  name                          = "${var.vm_hostname}-vmLinux-${count.index}"
-  resource_group_name           = data.azurerm_resource_group.vm.name
-  location                      = coalesce(var.location, data.azurerm_resource_group.vm.location)
-  availability_set_id           = azurerm_availability_set.vm.id
-  vm_size                       = var.vm_size
-  network_interface_ids         = [element(azurerm_network_interface.vm.*.id, count.index)]
-  delete_os_disk_on_termination = var.delete_os_disk_on_termination
+  count                            = ! contains(tolist([var.vm_os_simple, var.vm_os_offer]), "WindowsServer") && ! var.is_windows_image ? var.nb_instances : 0
+  name                             = "${var.vm_hostname}-vmLinux-${count.index}"
+  resource_group_name              = data.azurerm_resource_group.vm.name
+  location                         = coalesce(var.location, data.azurerm_resource_group.vm.location)
+  availability_set_id              = azurerm_availability_set.vm.id
+  vm_size                          = var.vm_size
+  network_interface_ids            = [element(azurerm_network_interface.vm.*.id, count.index)]
+  delete_os_disk_on_termination    = var.delete_os_disk_on_termination
+  delete_data_disks_on_termination = var.delete_data_disks_on_termination
 
   dynamic identity {
     for_each = length(var.identity_ids) == 0 && var.identity_type == "SystemAssigned" ? [var.identity_type] : []

test/fixture/main.tf

@@ -104,16 +104,17 @@ module "debianservers" {
 }
 
 module "debianservers2" {
-  source              = "../../"
-  vm_hostname         = "${random_id.ip_dns.hex}-d2"
-  resource_group_name = azurerm_resource_group.test.name
-  location            = var.location_alt
-  admin_username      = var.admin_username
-  vm_os_simple        = var.vm_os_simple_2
-  vnet_subnet_id      = azurerm_subnet.subnet2.id
-  enable_ssh_key      = true
-  ssh_key             = ""
-  ssh_key_values      = ["ssh-rsa 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"]
+  source                           = "../../"
+  vm_hostname                      = "${random_id.ip_dns.hex}-d2"
+  resource_group_name              = azurerm_resource_group.test.name
+  location                         = var.location_alt
+  admin_username                   = var.admin_username
+  vm_os_simple                     = var.vm_os_simple_2
+  vnet_subnet_id                   = azurerm_subnet.subnet2.id
+  enable_ssh_key                   = true
+  delete_data_disks_on_termination = true
+  ssh_key                          = ""
+  ssh_key_values                   = ["ssh-rsa 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"]
 
   depends_on = [azurerm_resource_group.test]
 }

variables.tf

@@ -160,6 +160,12 @@ variable "delete_os_disk_on_termination" {
   default     = false
 }
 
+variable "delete_data_disks_on_termination" {
+  type        = bool
+  description = "Delete data disks when machine is terminated."
+  default     = false
+}
+
 variable "data_sa_type" {
   description = "Data Disk Storage Account type."
   type        = string