Make os_profile optional #11147 (#14176)

* Make os_profile optional #11147

* Test for optional os_profile and fix resourceArmVirtualMachineRead

* Updating to match other optionally-required fields

builtin/providers/azurerm/resource_arm_virtual_machine.go

@@ -317,7 +317,7 @@ func resourceArmVirtualMachine() *schema.Resource {
 
 			"os_profile": {
 				Type:     schema.TypeSet,
-				Required: true,
+				Optional: true,
 				MaxItems: 1,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
@@ -554,11 +554,13 @@ func resourceArmVirtualMachineCreate(d *schema.ResourceData, meta interface{}) e
 		}
 	}
 
+	if _, ok := d.GetOk("os_profile"); ok {
 		osProfile, err := expandAzureRmVirtualMachineOsProfile(d)
 		if err != nil {
 			return err
 		}
 		properties.OsProfile = osProfile
+	}
 
 	if v, ok := d.GetOk("availability_set_id"); ok {
 		availabilitySet := v.(string)
@@ -656,6 +658,7 @@ func resourceArmVirtualMachineRead(d *schema.ResourceData, meta interface{}) err
 		}
 	}
 
+	if resp.VirtualMachineProperties.OsProfile != nil {
 		if err := d.Set("os_profile", schema.NewSet(resourceArmVirtualMachineStorageOsProfileHash, flattenAzureRmVirtualMachineOsProfile(resp.VirtualMachineProperties.OsProfile))); err != nil {
 			return fmt.Errorf("[DEBUG] Error setting Virtual Machine Storage OS Profile: %#v", err)
 		}
@@ -677,6 +680,7 @@ func resourceArmVirtualMachineRead(d *schema.ResourceData, meta interface{}) err
 				return fmt.Errorf("[DEBUG] Error setting Virtual Machine Storage OS Profile Secrets: %#v", err)
 			}
 		}
+	}
 
 	if resp.VirtualMachineProperties.DiagnosticsProfile != nil && resp.VirtualMachineProperties.DiagnosticsProfile.BootDiagnostics != nil {
 		if err := d.Set("boot_diagnostics", flattenAzureRmVirtualMachineDiagnosticsProfile(resp.VirtualMachineProperties.DiagnosticsProfile.BootDiagnostics)); err != nil {
@@ -1461,8 +1465,8 @@ func expandAzureRmVirtualMachineOsDisk(d *schema.ResourceData) (*compute.OSDisk,
 		return nil, fmt.Errorf("[ERROR] Conflict between `vhd_uri` and `managed_disk_type` (only one or the other can be used)")
 	}
 	//END: code to be removed after GH-13016 is merged
-	if managedDiskID == "" && strings.EqualFold(string(osDisk.CreateOption), string(compute.Attach)) {
+	if managedDiskID == "" && vhdURI == "" && strings.EqualFold(string(osDisk.CreateOption), string(compute.Attach)) {
-		return nil, fmt.Errorf("[ERROR] Must specify which disk to attach")
+		return nil, fmt.Errorf("[ERROR] Must specify `vhd_uri` or `managed_disk_id` to attach")
 	}
 
 	if v := config["image_uri"].(string); v != "" {

builtin/providers/azurerm/resource_arm_virtual_machine_test.go

@@ -819,6 +819,43 @@ func TestAccAzureRMVirtualMachine_primaryNetworkInterfaceId(t *testing.T) {
 	})
 }
 
+func TestAccAzureRMVirtualMachine_optionalOSProfile(t *testing.T) {
+	var vm compute.VirtualMachine
+
+	ri := acctest.RandInt()
+	preConfig := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachine, ri, ri, ri, ri, ri, ri, ri)
+	prepConfig := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachine_destroy, ri, ri, ri, ri, ri)
+	config := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachine_attach_without_osProfile, ri, ri, ri, ri, ri, ri)
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testCheckAzureRMVirtualMachineDestroy,
+		Steps: []resource.TestStep{
+			{
+				Destroy: false,
+				Config:  preConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &vm),
+				),
+			},
+			{
+				Destroy: false,
+				Config:  prepConfig,
+				Check: func(s *terraform.State) error {
+					testCheckAzureRMVirtualMachineDestroy(s)
+					return nil
+				},
+			},
+			{
+				Config: config,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &vm),
+				),
+			},
+		},
+	})
+}
+
 func testLookupAzureRMVirtualMachineManagedDiskID(vm *compute.VirtualMachine, diskName string, managedDiskID *string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		if osd := vm.StorageProfile.OsDisk; osd != nil {
@@ -3567,3 +3604,125 @@ resource "azurerm_virtual_machine" "test" {
     }
 }
 `
+var testAccAzureRMVirtualMachine_basicLinuxMachine_destroy = `
+resource "azurerm_resource_group" "test" {
+    name = "acctestRG-%d"
+    location = "West US 2"
+}
+
+resource "azurerm_virtual_network" "test" {
+    name = "acctvn-%d"
+    address_space = ["10.0.0.0/16"]
+    location = "West US 2"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+}
+
+resource "azurerm_subnet" "test" {
+    name = "acctsub-%d"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    virtual_network_name = "${azurerm_virtual_network.test.name}"
+    address_prefix = "10.0.2.0/24"
+}
+
+resource "azurerm_network_interface" "test" {
+    name = "acctni-%d"
+    location = "West US 2"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+
+    ip_configuration {
+    	name = "testconfiguration1"
+    	subnet_id = "${azurerm_subnet.test.id}"
+    	private_ip_address_allocation = "dynamic"
+    }
+}
+
+resource "azurerm_storage_account" "test" {
+    name = "accsa%d"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    location = "West US 2"
+    account_type = "Standard_LRS"
+
+    tags {
+        environment = "staging"
+    }
+}
+
+resource "azurerm_storage_container" "test" {
+    name = "vhds"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    storage_account_name = "${azurerm_storage_account.test.name}"
+    container_access_type = "private"
+}
+`
+
+var testAccAzureRMVirtualMachine_basicLinuxMachine_attach_without_osProfile = `
+resource "azurerm_resource_group" "test" {
+    name = "acctestRG-%d"
+    location = "West US 2"
+}
+
+resource "azurerm_virtual_network" "test" {
+    name = "acctvn-%d"
+    address_space = ["10.0.0.0/16"]
+    location = "West US 2"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+}
+
+resource "azurerm_subnet" "test" {
+    name = "acctsub-%d"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    virtual_network_name = "${azurerm_virtual_network.test.name}"
+    address_prefix = "10.0.2.0/24"
+}
+
+resource "azurerm_network_interface" "test" {
+    name = "acctni-%d"
+    location = "West US 2"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+
+    ip_configuration {
+    	name = "testconfiguration1"
+    	subnet_id = "${azurerm_subnet.test.id}"
+    	private_ip_address_allocation = "dynamic"
+    }
+}
+
+resource "azurerm_storage_account" "test" {
+    name = "accsa%d"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    location = "West US 2"
+    account_type = "Standard_LRS"
+
+    tags {
+        environment = "staging"
+    }
+}
+
+resource "azurerm_storage_container" "test" {
+    name = "vhds"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    storage_account_name = "${azurerm_storage_account.test.name}"
+    container_access_type = "private"
+}
+
+resource "azurerm_virtual_machine" "test" {
+    name = "acctvm-%d"
+    location = "West US 2"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    network_interface_ids = ["${azurerm_network_interface.test.id}"]
+    vm_size = "Standard_F2"
+
+    storage_os_disk {
+        name = "myosdisk1"
+        vhd_uri = "${azurerm_storage_account.test.primary_blob_endpoint}${azurerm_storage_container.test.name}/myosdisk1.vhd"
+        os_type = "linux"
+        caching = "ReadWrite"
+        create_option = "Attach"
+    }
+
+    tags {
+    	environment = "Production"
+    	cost-center = "Ops"
+    }
+}
+`

website/source/docs/providers/azurerm/r/virtual_machine.html.markdown

@@ -310,7 +310,8 @@ The following arguments are supported:
 * `delete_os_disk_on_termination` - (Optional) Flag to enable deletion of the OS disk VHD blob or managed disk when the VM is deleted, defaults to `false`
 * `storage_data_disk` - (Optional) A list of Storage Data disk blocks as referenced below.
 * `delete_data_disks_on_termination` - (Optional) Flag to enable deletion of storage data disk VHD blobs or managed disks when the VM is deleted, defaults to `false`
-* `os_profile` - (Required) An OS Profile block as documented below.
+* `os_profile` - (Optional) An OS Profile block as documented below. Required when `create_option` in the `storage_os_disk` block is set to `FromImage`.
+
 * `license_type` - (Optional, when a windows machine) Specifies the Windows OS license type. The only allowable value, if supplied, is `Windows_Server`.
 * `os_profile_windows_config` - (Required, when a windows machine) A Windows config block as documented below.
 * `os_profile_linux_config` - (Required, when a linux machine) A Linux config block as documented below.