provider/azurerm: set ForceNew for storage image and OS disk of virtual_machine (#10340)

TF_ACC=1 go test ./builtin/providers/azurerm -v -run "TestAccAzureRMVirtualMachine_change" -timeout 120m
=== RUN   TestAccAzureRMVirtualMachine_changeStorageImageReference
--- PASS: TestAccAzureRMVirtualMachine_changeStorageImageReference (937.49s)
=== RUN   TestAccAzureRMVirtualMachine_changeOSDiskVhdUri
--- PASS: TestAccAzureRMVirtualMachine_changeOSDiskVhdUri (1187.81s)
PASS
ok  	github.com/hashicorp/terraform/builtin/providers/azurerm	2125.317s

builtin/providers/azurerm/resource_arm_virtual_machine.go

@@ -94,28 +94,33 @@ func resourceArmVirtualMachine() *schema.Resource {
 				Type:     schema.TypeSet,
 				Optional: true,
 				Computed: true,
+				ForceNew: true,
 				MaxItems: 1,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"publisher": {
 							Type:     schema.TypeString,
 							Required: true,
+							ForceNew: true,
 						},
 
 						"offer": {
 							Type:     schema.TypeString,
 							Required: true,
+							ForceNew: true,
 						},
 
 						"sku": {
 							Type:     schema.TypeString,
 							Required: true,
+							ForceNew: true,
 						},
 
 						"version": {
 							Type:     schema.TypeString,
 							Optional: true,
 							Computed: true,
+							ForceNew: true,
 						},
 					},
 				},
@@ -141,6 +146,7 @@ func resourceArmVirtualMachine() *schema.Resource {
 						"vhd_uri": {
 							Type:     schema.TypeString,
 							Required: true,
+							ForceNew: true,
 						},
 
 						"image_uri": {

builtin/providers/azurerm/resource_arm_virtual_machine_test.go

@@ -332,6 +332,66 @@ func TestAccAzureRMVirtualMachine_ChangeAvailbilitySet(t *testing.T) {
 	})
 }
 
+func TestAccAzureRMVirtualMachine_changeStorageImageReference(t *testing.T) {
+	var afterCreate, afterUpdate compute.VirtualMachine
+
+	ri := acctest.RandInt()
+	preConfig := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachineStorageImageBefore, ri, ri, ri, ri, ri, ri, ri)
+	postConfig := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachineStorageImageAfter, ri, ri, ri, ri, ri, ri, ri)
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testCheckAzureRMVirtualMachineDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: preConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &afterCreate),
+				),
+			},
+
+			resource.TestStep{
+				Config: postConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &afterUpdate),
+					testAccCheckVirtualMachineRecreated(
+						t, &afterCreate, &afterUpdate),
+				),
+			},
+		},
+	})
+}
+
+func TestAccAzureRMVirtualMachine_changeOSDiskVhdUri(t *testing.T) {
+	var afterCreate, afterUpdate compute.VirtualMachine
+
+	ri := acctest.RandInt()
+	preConfig := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachine, ri, ri, ri, ri, ri, ri, ri)
+	postConfig := fmt.Sprintf(testAccAzureRMVirtualMachine_basicLinuxMachineWithOSDiskVhdUriChanged, ri, ri, ri, ri, ri, ri, ri)
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testCheckAzureRMVirtualMachineDestroy,
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: preConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &afterCreate),
+				),
+			},
+
+			resource.TestStep{
+				Config: postConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testCheckAzureRMVirtualMachineExists("azurerm_virtual_machine.test", &afterUpdate),
+					testAccCheckVirtualMachineRecreated(
+						t, &afterCreate, &afterUpdate),
+				),
+			},
+		},
+	})
+}
+
 func testCheckAzureRMVirtualMachineExists(name string, vm *compute.VirtualMachine) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		// Ensure we have enough information in state to look up in API
@@ -1726,3 +1786,272 @@ var testAccAzureRMVirtualMachine_updateMachineName = `
      }
  }
  `
+
+var testAccAzureRMVirtualMachine_basicLinuxMachineStorageImageBefore = `
+resource "azurerm_resource_group" "test" {
+    name = "acctestRG-%d"
+    location = "West US"
+}
+
+resource "azurerm_virtual_network" "test" {
+    name = "acctvn-%d"
+    address_space = ["10.0.0.0/16"]
+    location = "West US"
+    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 = "${azurerm_virtual_network.test.name}"
+    address_prefix = "10.0.2.0/24"
+}
+
+resource "azurerm_network_interface" "test" {
+    name = "acctni-%d"
+    location = "West US"
+    resource_group_name = "${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 = "westus"
+    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"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    network_interface_ids = ["${azurerm_network_interface.test.id}"]
+    vm_size = "Standard_A0"
+    delete_os_disk_on_termination = true
+
+    storage_image_reference {
+	publisher = "Canonical"
+	offer = "UbuntuServer"
+	sku = "14.04.2-LTS"
+	version = "latest"
+    }
+
+    storage_os_disk {
+        name = "myosdisk1"
+        vhd_uri = "${azurerm_storage_account.test.primary_blob_endpoint}${azurerm_storage_container.test.name}/myosdisk1.vhd"
+        caching = "ReadWrite"
+        create_option = "FromImage"
+        disk_size_gb = "45"
+    }
+
+    os_profile {
+	computer_name = "hostname%d"
+	admin_username = "testadmin"
+	admin_password = "Password1234!"
+    }
+
+    os_profile_linux_config {
+	disable_password_authentication = false
+    }
+
+    tags {
+    	environment = "Production"
+    	cost-center = "Ops"
+    }
+}
+`
+
+var testAccAzureRMVirtualMachine_basicLinuxMachineStorageImageAfter = `
+resource "azurerm_resource_group" "test" {
+    name = "acctestRG-%d"
+    location = "West US"
+}
+
+resource "azurerm_virtual_network" "test" {
+    name = "acctvn-%d"
+    address_space = ["10.0.0.0/16"]
+    location = "West US"
+    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 = "${azurerm_virtual_network.test.name}"
+    address_prefix = "10.0.2.0/24"
+}
+
+resource "azurerm_network_interface" "test" {
+    name = "acctni-%d"
+    location = "West US"
+    resource_group_name = "${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 = "westus"
+    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"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    network_interface_ids = ["${azurerm_network_interface.test.id}"]
+    vm_size = "Standard_A0"
+    delete_os_disk_on_termination = true
+
+    storage_image_reference {
+	publisher = "CoreOS"
+	offer = "CoreOS"
+	sku = "Stable"
+	version = "latest"
+    }
+
+    storage_os_disk {
+        name = "myosdisk1"
+        vhd_uri = "${azurerm_storage_account.test.primary_blob_endpoint}${azurerm_storage_container.test.name}/myosdisk1.vhd"
+        caching = "ReadWrite"
+        create_option = "FromImage"
+        disk_size_gb = "45"
+    }
+
+    os_profile {
+	computer_name = "hostname%d"
+	admin_username = "testadmin"
+	admin_password = "Password1234!"
+    }
+
+    os_profile_linux_config {
+	disable_password_authentication = false
+    }
+
+    tags {
+    	environment = "Production"
+    	cost-center = "Ops"
+    }
+}
+`
+
+var testAccAzureRMVirtualMachine_basicLinuxMachineWithOSDiskVhdUriChanged = `
+resource "azurerm_resource_group" "test" {
+    name = "acctestRG-%d"
+    location = "West US"
+}
+
+resource "azurerm_virtual_network" "test" {
+    name = "acctvn-%d"
+    address_space = ["10.0.0.0/16"]
+    location = "West US"
+    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 = "${azurerm_virtual_network.test.name}"
+    address_prefix = "10.0.2.0/24"
+}
+
+resource "azurerm_network_interface" "test" {
+    name = "acctni-%d"
+    location = "West US"
+    resource_group_name = "${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 = "westus"
+    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"
+    resource_group_name = "${azurerm_resource_group.test.name}"
+    network_interface_ids = ["${azurerm_network_interface.test.id}"]
+    vm_size = "Standard_A0"
+
+    storage_image_reference {
+	publisher = "Canonical"
+	offer = "UbuntuServer"
+	sku = "14.04.2-LTS"
+	version = "latest"
+    }
+
+    storage_os_disk {
+        name = "myosdisk1"
+        vhd_uri = "${azurerm_storage_account.test.primary_blob_endpoint}${azurerm_storage_container.test.name}/myosdiskchanged2.vhd"
+        caching = "ReadWrite"
+        create_option = "FromImage"
+        disk_size_gb = "45"
+    }
+
+    os_profile {
+	computer_name = "hostname%d"
+	admin_username = "testadmin"
+	admin_password = "Password1234!"
+    }
+
+    os_profile_linux_config {
+	disable_password_authentication = false
+    }
+
+    tags {
+    	environment = "Production"
+    	cost-center = "Ops"
+    }
+}
+`

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

@@ -236,15 +236,15 @@ For more information on the different example configurations, please check out t
 
 `storage_image_reference` supports the following:
 
-* `publisher` - (Required) Specifies the publisher of the image used to create the virtual machine
+* `publisher` - (Required) Specifies the publisher of the image used to create the virtual machine. Changing this forces a new resource to be created.
-* `offer` - (Required) Specifies the offer of the image used to create the virtual machine.
+* `offer` - (Required) Specifies the offer of the image used to create the virtual machine. Changing this forces a new resource to be created.
-* `sku` - (Required) Specifies the SKU of the image used to create the virtual machine.
+* `sku` - (Required) Specifies the SKU of the image used to create the virtual machine. Changing this forces a new resource to be created.
-* `version` - (Optional) Specifies the version of the image used to create the virtual machine.
+* `version` - (Optional) Specifies the version of the image used to create the virtual machine. Changing this forces a new resource to be created.
 
 `storage_os_disk` supports the following:
 
 * `name` - (Required) Specifies the disk name.
-* `vhd_uri` - (Required) Specifies the vhd uri.
+* `vhd_uri` - (Required) Specifies the vhd uri. Changing this forces a new resource to be created.
 * `create_option` - (Required) Specifies how the virtual machine should be created. Possible values are `attach` and `FromImage`.
 * `caching` - (Optional) Specifies the caching requirements.
 * `image_uri` - (Optional) Specifies the image_uri in the form publisherName:offer:skus:version. `image_uri` can also specify the [VHD uri](https://azure.microsoft.com/en-us/documentation/articles/virtual-machines-linux-cli-deploy-templates/#create-a-custom-vm-image) of a custom VM image to clone. When cloning a custom disk image the `os_type` documented below becomes required.