Merge pull request #5593 from boumenot/pr-azure-keep-resource-group

Azure: Keep temporary resource group.

builder/azure/arm/azure_client.go

@@ -10,6 +10,7 @@ import (
 	"strconv"
 
 	"github.com/Azure/azure-sdk-for-go/arm/compute"
+	"github.com/Azure/azure-sdk-for-go/arm/disk"
 	"github.com/Azure/azure-sdk-for-go/arm/network"
 	"github.com/Azure/azure-sdk-for-go/arm/resources/resources"
 	armStorage "github.com/Azure/azure-sdk-for-go/arm/storage"
@@ -32,6 +33,7 @@ var (
 type AzureClient struct {
 	storage.BlobStorageClient
 	resources.DeploymentsClient
+	resources.DeploymentOperationsClient
 	resources.GroupsClient
 	network.PublicIPAddressesClient
 	network.InterfacesClient
@@ -41,6 +43,7 @@ type AzureClient struct {
 	compute.VirtualMachinesClient
 	common.VaultClient
 	armStorage.AccountsClient
+	disk.DisksClient
 
 	InspectorMaxLength int
 	Template           *CaptureTemplate
@@ -135,6 +138,18 @@ func NewAzureClient(subscriptionID, resourceGroupName, storageAccountName string
 	azureClient.DeploymentsClient.ResponseInspector = byConcatDecorators(byInspecting(maxlen), errorCapture(azureClient))
 	azureClient.DeploymentsClient.UserAgent += packerUserAgent
 
+	azureClient.DeploymentOperationsClient = resources.NewDeploymentOperationsClientWithBaseURI(cloud.ResourceManagerEndpoint, subscriptionID)
+	azureClient.DeploymentOperationsClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
+	azureClient.DeploymentOperationsClient.RequestInspector = withInspection(maxlen)
+	azureClient.DeploymentOperationsClient.ResponseInspector = byConcatDecorators(byInspecting(maxlen), errorCapture(azureClient))
+	azureClient.DeploymentOperationsClient.UserAgent += packerUserAgent
+
+	azureClient.DisksClient = disk.NewDisksClientWithBaseURI(cloud.ResourceManagerEndpoint, subscriptionID)
+	azureClient.DisksClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
+	azureClient.DisksClient.RequestInspector = withInspection(maxlen)
+	azureClient.DisksClient.ResponseInspector = byConcatDecorators(byInspecting(maxlen), errorCapture(azureClient))
+	azureClient.DisksClient.UserAgent += packerUserAgent
+
 	azureClient.GroupsClient = resources.NewGroupsClientWithBaseURI(cloud.ResourceManagerEndpoint, subscriptionID)
 	azureClient.GroupsClient.Authorizer = autorest.NewBearerAuthorizer(servicePrincipalToken)
 	azureClient.GroupsClient.RequestInspector = withInspection(maxlen)

builder/azure/arm/builder.go

@@ -287,7 +287,16 @@ func (b *Builder) configureStateBag(stateBag multistep.StateBag) {
 	stateBag.Put(constants.ArmLocation, b.config.Location)
 	stateBag.Put(constants.ArmNicName, DefaultNicName)
 	stateBag.Put(constants.ArmPublicIPAddressName, DefaultPublicIPAddressName)
-	stateBag.Put(constants.ArmResourceGroupName, b.config.tmpResourceGroupName)
+	if b.config.TempResourceGroupName != "" && b.config.BuildResourceGroupName != "" {
+		stateBag.Put(constants.ArmDoubleResourceGroupNameSet, true)
+	}
+	if b.config.tmpResourceGroupName != "" {
+		stateBag.Put(constants.ArmResourceGroupName, b.config.tmpResourceGroupName)
+		stateBag.Put(constants.ArmIsExistingResourceGroup, false)
+	} else {
+		stateBag.Put(constants.ArmResourceGroupName, b.config.BuildResourceGroupName)
+		stateBag.Put(constants.ArmIsExistingResourceGroup, true)
+	}
 	stateBag.Put(constants.ArmStorageAccountName, b.config.StorageAccount)
 
 	stateBag.Put(constants.ArmIsManagedImage, b.config.isManagedImage())

builder/azure/arm/config.go

@@ -83,6 +83,7 @@ type Config struct {
 	StorageAccount                    string             `mapstructure:"storage_account"`
 	TempComputeName                   string             `mapstructure:"temp_compute_name"`
 	TempResourceGroupName             string             `mapstructure:"temp_resource_group_name"`
+	BuildResourceGroupName            string             `mapstructure:"build_resource_group_name"`
 	storageAccountBlobEndpoint        string
 	CloudEnvironmentName              string `mapstructure:"cloud_environment_name"`
 	cloudEnvironment                  *azure.Environment
@@ -129,7 +130,13 @@ type keyVaultCertificate struct {
 }
 
 func (c *Config) toVMID() string {
-	return fmt.Sprintf("/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Compute/virtualMachines/%s", c.SubscriptionID, c.tmpResourceGroupName, c.tmpComputeName)
+	var resourceGroupName string
+	if c.tmpResourceGroupName != "" {
+		resourceGroupName = c.tmpResourceGroupName
+	} else {
+		resourceGroupName = c.BuildResourceGroupName
+	}
+	return fmt.Sprintf("/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Compute/virtualMachines/%s", c.SubscriptionID, resourceGroupName, c.tmpComputeName)
 }
 
 func (c *Config) isManagedImage() bool {
@@ -328,9 +335,10 @@ func setRuntimeValues(c *Config) {
 		c.tmpComputeName = c.TempComputeName
 	}
 	c.tmpDeploymentName = tempName.DeploymentName
-	if c.TempResourceGroupName == "" {
+	// Only set tmpResourceGroupName if no name has been specified
+	if c.TempResourceGroupName == "" && c.BuildResourceGroupName == "" {
 		c.tmpResourceGroupName = tempName.ResourceGroupName
-	} else {
+	} else if c.TempResourceGroupName != "" && c.BuildResourceGroupName == "" {
 		c.tmpResourceGroupName = c.TempResourceGroupName
 	}
 	c.tmpOSDiskName = tempName.OSDiskName
@@ -511,6 +519,10 @@ func assertRequiredParametersSet(c *Config, errs *packer.MultiError) {
 		}
 	}
 
+	if c.TempResourceGroupName != "" && c.BuildResourceGroupName != "" {
+		errs = packer.MultiErrorAppend(errs, fmt.Errorf("The settings temp_resource_group_name and build_resource_group_name cannot both be defined.  Please define one or neither."))
+	}
+
 	/////////////////////////////////////////////
 	// Compute
 	toInt := func(b bool) int {

builder/azure/arm/config_test.go

@@ -899,6 +899,30 @@ func TestConfigShouldAcceptManagedImageStorageAccountTypes(t *testing.T) {
 	}
 }
 
+func TestConfigShouldRejectTempAndBuildResourceGroupName(t *testing.T) {
+	config := map[string]interface{}{
+		"capture_name_prefix":    "ignore",
+		"capture_container_name": "ignore",
+		"image_offer":            "ignore",
+		"image_publisher":        "ignore",
+		"image_sku":              "ignore",
+		"location":               "ignore",
+		"storage_account":        "ignore",
+		"resource_group_name":    "ignore",
+		"subscription_id":        "ignore",
+		"communicator":           "none",
+
+		// custom may define one or the other, but not both
+		"temp_resource_group_name":  "rgn00",
+		"build_resource_group_name": "rgn00",
+	}
+
+	_, _, err := newConfig(config, getPackerConfiguration())
+	if err == nil {
+		t.Fatal("expected config to reject the use of both temp_resource_group_name and build_resource_group_name")
+	}
+}
+
 func getArmBuilderConfiguration() map[string]string {
 	m := make(map[string]string)
 	for _, v := range requiredConfigValues {

builder/azure/arm/step_create_resource_group.go

@@ -1,6 +1,7 @@
 package arm
 
 import (
+	"errors"
 	"fmt"
 
 	"github.com/Azure/azure-sdk-for-go/arm/resources/resources"
@@ -14,6 +15,7 @@ type StepCreateResourceGroup struct {
 	create func(resourceGroupName string, location string, tags *map[string]*string) error
 	say    func(message string)
 	error  func(e error)
+	exists func(resourceGroupName string) (bool, error)
 }
 
 func NewStepCreateResourceGroup(client *AzureClient, ui packer.Ui) *StepCreateResourceGroup {
@@ -24,6 +26,7 @@ func NewStepCreateResourceGroup(client *AzureClient, ui packer.Ui) *StepCreateRe
 	}
 
 	step.create = step.createResourceGroup
+	step.exists = step.doesResourceGroupExist
 	return step
 }
 
@@ -39,22 +42,58 @@ func (s *StepCreateResourceGroup) createResourceGroup(resourceGroupName string,
 	return err
 }
 
+func (s *StepCreateResourceGroup) doesResourceGroupExist(resourceGroupName string) (bool, error) {
+	exists, err := s.client.GroupsClient.CheckExistence(resourceGroupName)
+	if err != nil {
+		s.say(s.client.LastError.Error())
+	}
+
+	return exists.Response.StatusCode != 404, err
+}
+
 func (s *StepCreateResourceGroup) Run(state multistep.StateBag) multistep.StepAction {
-	s.say("Creating resource group ...")
+	var doubleResource, ok = state.GetOk(constants.ArmDoubleResourceGroupNameSet)
+	if ok && doubleResource.(bool) {
+		err := errors.New("You have filled in both temp_resource_group_name and build_resource_group_name. Please choose one.")
+		return processStepResult(err, s.error, state)
+	}
 
 	var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
 	var location = state.Get(constants.ArmLocation).(string)
 	var tags = state.Get(constants.ArmTags).(*map[string]*string)
 
-	s.say(fmt.Sprintf(" -> ResourceGroupName : '%s'", resourceGroupName))
-	s.say(fmt.Sprintf(" -> Location          : '%s'", location))
-	s.say(fmt.Sprintf(" -> Tags              :"))
-	for k, v := range *tags {
-		s.say(fmt.Sprintf(" ->> %s : %s", k, *v))
+	exists, err := s.exists(resourceGroupName)
+	if err != nil {
+		return processStepResult(err, s.error, state)
+	}
+	configThinksExists := state.Get(constants.ArmIsExistingResourceGroup).(bool)
+	if exists != configThinksExists {
+		if configThinksExists {
+			err = errors.New("The resource group you want to use does not exist yet. Please use temp_resource_group_name to create a temporary resource group.")
+		} else {
+			err = errors.New("A resource group with that name already exists. Please use build_resource_group_name to use an existing resource group.")
+		}
+		return processStepResult(err, s.error, state)
 	}
 
-	err := s.create(resourceGroupName, location, tags)
-	if err == nil {
+	// If the resource group exists, we may not have permissions to update it so we don't.
+	if !exists {
+		s.say("Creating resource group ...")
+
+		s.say(fmt.Sprintf(" -> ResourceGroupName : '%s'", resourceGroupName))
+		s.say(fmt.Sprintf(" -> Location          : '%s'", location))
+		s.say(fmt.Sprintf(" -> Tags              :"))
+		for k, v := range *tags {
+			s.say(fmt.Sprintf(" ->> %s : %s", k, *v))
+		}
+		err = s.create(resourceGroupName, location, tags)
+		if err == nil {
+			state.Put(constants.ArmIsResourceGroupCreated, true)
+		}
+	} else {
+		s.say("Using existing resource group ...")
+		s.say(fmt.Sprintf(" -> ResourceGroupName : '%s'", resourceGroupName))
+		s.say(fmt.Sprintf(" -> Location          : '%s'", location))
 		state.Put(constants.ArmIsResourceGroupCreated, true)
 	}
 
@@ -68,17 +107,22 @@ func (s *StepCreateResourceGroup) Cleanup(state multistep.StateBag) {
 	}
 
 	ui := state.Get("ui").(packer.Ui)
-	ui.Say("\nCleanup requested, deleting resource group ...")
+	if state.Get(constants.ArmIsExistingResourceGroup).(bool) {
+		ui.Say("\nThe resource group was not created by Packer, not deleting ...")
+		return
+	} else {
+		ui.Say("\nCleanup requested, deleting resource group ...")
 
-	var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
-	_, errChan := s.client.GroupsClient.Delete(resourceGroupName, nil)
-	err := <-errChan
+		var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
+		_, errChan := s.client.GroupsClient.Delete(resourceGroupName, nil)
+		err := <-errChan
 
-	if err != nil {
-		ui.Error(fmt.Sprintf("Error deleting resource group.  Please delete it manually.\n\n"+
-			"Name: %s\n"+
-			"Error: %s", resourceGroupName, err))
+		if err != nil {
+			ui.Error(fmt.Sprintf("Error deleting resource group.  Please delete it manually.\n\n"+
+				"Name: %s\n"+
+				"Error: %s", resourceGroupName, err))
+		}
+
+		ui.Say("Resource group has been deleted.")
 	}
-
-	ui.Say("Resource group has been deleted.")
 }

builder/azure/arm/step_create_resource_group_test.go

@@ -1,6 +1,7 @@
 package arm
 
 import (
+	"errors"
 	"fmt"
 	"testing"
 
@@ -8,11 +9,59 @@ import (
 	"github.com/mitchellh/multistep"
 )
 
+func TestStepCreateResourceGroupShouldFailIfBothGroupNames(t *testing.T) {
+	stateBag := new(multistep.BasicStateBag)
+
+	stateBag.Put(constants.ArmDoubleResourceGroupNameSet, true)
+
+	value := "Unit Test: Tags"
+	tags := map[string]*string{
+		"tag01": &value,
+	}
+
+	stateBag.Put(constants.ArmTags, &tags)
+	var testSubject = &StepCreateResourceGroup{
+		create: func(string, string, *map[string]*string) error { return nil },
+		say:    func(message string) {},
+		error:  func(e error) {},
+		exists: func(string) (bool, error) { return false, nil },
+	}
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionHalt {
+		t.Fatalf("Expected the step to return 'ActionHalt', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == false {
+		t.Fatalf("Expected the step to set stateBag['%s'], but it was not.", constants.Error)
+	}
+}
+
 func TestStepCreateResourceGroupShouldFailIfCreateFails(t *testing.T) {
 	var testSubject = &StepCreateResourceGroup{
 		create: func(string, string, *map[string]*string) error { return fmt.Errorf("!! Unit Test FAIL !!") },
 		say:    func(message string) {},
 		error:  func(e error) {},
+		exists: func(string) (bool, error) { return false, nil },
+	}
+
+	stateBag := createTestStateBagStepCreateResourceGroup()
+
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionHalt {
+		t.Fatalf("Expected the step to return 'ActionHalt', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == false {
+		t.Fatalf("Expected the step to set stateBag['%s'], but it was not.", constants.Error)
+	}
+}
+
+func TestStepCreateResourceGroupShouldFailIfExistsFails(t *testing.T) {
+	var testSubject = &StepCreateResourceGroup{
+		create: func(string, string, *map[string]*string) error { return nil },
+		say:    func(message string) {},
+		error:  func(e error) {},
+		exists: func(string) (bool, error) { return false, errors.New("FAIL") },
 	}
 
 	stateBag := createTestStateBagStepCreateResourceGroup()
@@ -32,6 +81,7 @@ func TestStepCreateResourceGroupShouldPassIfCreatePasses(t *testing.T) {
 		create: func(string, string, *map[string]*string) error { return nil },
 		say:    func(message string) {},
 		error:  func(e error) {},
+		exists: func(string) (bool, error) { return false, nil },
 	}
 
 	stateBag := createTestStateBagStepCreateResourceGroup()
@@ -58,8 +108,9 @@ func TestStepCreateResourceGroupShouldTakeStepArgumentsFromStateBag(t *testing.T
 			actualTags = tags
 			return nil
 		},
-		say:   func(message string) {},
-		error: func(e error) {},
+		say:    func(message string) {},
+		error:  func(e error) {},
+		exists: func(string) (bool, error) { return false, nil },
 	}
 
 	stateBag := createTestStateBagStepCreateResourceGroup()
@@ -91,11 +142,68 @@ func TestStepCreateResourceGroupShouldTakeStepArgumentsFromStateBag(t *testing.T
 	}
 }
 
+func TestStepCreateResourceGroupMarkShouldFailIfTryingExistingButDoesntExist(t *testing.T) {
+	var testSubject = &StepCreateResourceGroup{
+		create: func(string, string, *map[string]*string) error { return fmt.Errorf("!! Unit Test FAIL !!") },
+		say:    func(message string) {},
+		error:  func(e error) {},
+		exists: func(string) (bool, error) { return false, nil },
+	}
+
+	stateBag := createTestExistingStateBagStepCreateResourceGroup()
+
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionHalt {
+		t.Fatalf("Expected the step to return 'ActionHalt', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == false {
+		t.Fatalf("Expected the step to set stateBag['%s'], but it was not.", constants.Error)
+	}
+}
+
+func TestStepCreateResourceGroupMarkShouldFailIfTryingTempButExist(t *testing.T) {
+	var testSubject = &StepCreateResourceGroup{
+		create: func(string, string, *map[string]*string) error { return fmt.Errorf("!! Unit Test FAIL !!") },
+		say:    func(message string) {},
+		error:  func(e error) {},
+		exists: func(string) (bool, error) { return true, nil },
+	}
+
+	stateBag := createTestStateBagStepCreateResourceGroup()
+
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionHalt {
+		t.Fatalf("Expected the step to return 'ActionHalt', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == false {
+		t.Fatalf("Expected the step to set stateBag['%s'], but it was not.", constants.Error)
+	}
+}
+
 func createTestStateBagStepCreateResourceGroup() multistep.StateBag {
 	stateBag := new(multistep.BasicStateBag)
 
 	stateBag.Put(constants.ArmLocation, "Unit Test: Location")
 	stateBag.Put(constants.ArmResourceGroupName, "Unit Test: ResourceGroupName")
+	stateBag.Put(constants.ArmIsExistingResourceGroup, false)
+
+	value := "Unit Test: Tags"
+	tags := map[string]*string{
+		"tag01": &value,
+	}
+
+	stateBag.Put(constants.ArmTags, &tags)
+	return stateBag
+}
+
+func createTestExistingStateBagStepCreateResourceGroup() multistep.StateBag {
+	stateBag := new(multistep.BasicStateBag)
+
+	stateBag.Put(constants.ArmLocation, "Unit Test: Location")
+	stateBag.Put(constants.ArmResourceGroupName, "Unit Test: ResourceGroupName")
+	stateBag.Put(constants.ArmIsExistingResourceGroup, true)
 
 	value := "Unit Test: Tags"
 	tags := map[string]*string{
@@ -103,6 +211,5 @@ func createTestStateBagStepCreateResourceGroup() multistep.StateBag {
 	}
 
 	stateBag.Put(constants.ArmTags, &tags)
-
 	return stateBag
 }

builder/azure/arm/step_delete_os_disk.go

@@ -12,10 +12,11 @@ import (
 )
 
 type StepDeleteOSDisk struct {
-	client *AzureClient
-	delete func(string, string) error
-	say    func(message string)
-	error  func(e error)
+	client        *AzureClient
+	delete        func(string, string) error
+	deleteManaged func(string, string) error
+	say           func(message string)
+	error         func(e error)
 }
 
 func NewStepDeleteOSDisk(client *AzureClient, ui packer.Ui) *StepDeleteOSDisk {
@@ -26,6 +27,7 @@ func NewStepDeleteOSDisk(client *AzureClient, ui packer.Ui) *StepDeleteOSDisk {
 	}
 
 	step.delete = step.deleteBlob
+	step.deleteManaged = step.deleteManagedDisk
 	return step
 }
 
@@ -39,23 +41,42 @@ func (s *StepDeleteOSDisk) deleteBlob(storageContainerName string, blobName stri
 	return err
 }
 
+func (s *StepDeleteOSDisk) deleteManagedDisk(resourceGroupName string, imageName string) error {
+	xs := strings.Split(imageName, "/")
+	diskName := xs[len(xs)-1]
+	_, errChan := s.client.DisksClient.Delete(resourceGroupName, diskName, nil)
+	err := <-errChan
+	return err
+}
+
 func (s *StepDeleteOSDisk) Run(state multistep.StateBag) multistep.StepAction {
 	s.say("Deleting the temporary OS disk ...")
 
 	var osDisk = state.Get(constants.ArmOSDiskVhd).(string)
 	var isManagedDisk = state.Get(constants.ArmIsManagedImage).(bool)
+	var isExistingResourceGroup = state.Get(constants.ArmIsExistingResourceGroup).(bool)
+	var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
 
-	if isManagedDisk {
+	if isManagedDisk && !isExistingResourceGroup {
 		s.say(fmt.Sprintf(" -> OS Disk : skipping, managed disk was used..."))
 		return multistep.ActionContinue
 	}
 
 	s.say(fmt.Sprintf(" -> OS Disk : '%s'", osDisk))
 
+	var err error
+	if isManagedDisk {
+		err = s.deleteManaged(resourceGroupName, osDisk)
+		if err != nil {
+			s.say("Failed to delete the managed OS Disk!")
+			return processStepResult(err, s.error, state)
+		}
+		return multistep.ActionContinue
+	}
 	u, err := url.Parse(osDisk)
 	if err != nil {
 		s.say("Failed to parse the OS Disk's VHD URI!")
-		return multistep.ActionHalt
+		return processStepResult(err, s.error, state)
 	}
 
 	xs := strings.Split(u.Path, "/")

builder/azure/arm/step_delete_os_disk_test.go

@@ -1,6 +1,7 @@
 package arm
 
 import (
+	"errors"
 	"fmt"
 	"testing"
 
@@ -10,9 +11,10 @@ import (
 
 func TestStepDeleteOSDiskShouldFailIfGetFails(t *testing.T) {
 	var testSubject = &StepDeleteOSDisk{
-		delete: func(string, string) error { return fmt.Errorf("!! Unit Test FAIL !!") },
-		say:    func(message string) {},
-		error:  func(e error) {},
+		delete:        func(string, string) error { return fmt.Errorf("!! Unit Test FAIL !!") },
+		deleteManaged: func(string, string) error { return nil },
+		say:           func(message string) {},
+		error:         func(e error) {},
 	}
 
 	stateBag := DeleteTestStateBagStepDeleteOSDisk("http://storage.blob.core.windows.net/images/pkrvm_os.vhd")
@@ -102,10 +104,83 @@ func TestStepDeleteOSDiskShouldHandleComplexStorageContainerNames(t *testing.T)
 	}
 }
 
+func TestStepDeleteOSDiskShouldPassIfManagedDiskInTempResourceGroup(t *testing.T) {
+	var testSubject = &StepDeleteOSDisk{
+		delete: func(string, string) error { return nil },
+		say:    func(message string) {},
+		error:  func(e error) {},
+	}
+
+	stateBag := new(multistep.BasicStateBag)
+	stateBag.Put(constants.ArmOSDiskVhd, "subscriptions/123-456-789/resourceGroups/existingresourcegroup/providers/Microsoft.Compute/disks/osdisk")
+	stateBag.Put(constants.ArmIsManagedImage, true)
+	stateBag.Put(constants.ArmIsExistingResourceGroup, false)
+	stateBag.Put(constants.ArmResourceGroupName, "testgroup")
+
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionContinue {
+		t.Fatalf("Expected the step to return 'ActionContinue', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == true {
+		t.Fatalf("Expected the step to not set stateBag['%s'], but it was.", constants.Error)
+	}
+}
+
+func TestStepDeleteOSDiskShouldFailIfManagedDiskInExistingResourceGroupFailsToDelete(t *testing.T) {
+	var testSubject = &StepDeleteOSDisk{
+		delete:        func(string, string) error { return nil },
+		say:           func(message string) {},
+		error:         func(e error) {},
+		deleteManaged: func(string, string) error { return errors.New("UNIT TEST FAIL!") },
+	}
+
+	stateBag := new(multistep.BasicStateBag)
+	stateBag.Put(constants.ArmOSDiskVhd, "subscriptions/123-456-789/resourceGroups/existingresourcegroup/providers/Microsoft.Compute/disks/osdisk")
+	stateBag.Put(constants.ArmIsManagedImage, true)
+	stateBag.Put(constants.ArmIsExistingResourceGroup, true)
+	stateBag.Put(constants.ArmResourceGroupName, "testgroup")
+
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionHalt {
+		t.Fatalf("Expected the step to return 'ActionHalt', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == false {
+		t.Fatalf("Expected the step to not stateBag['%s'], but it was.", constants.Error)
+	}
+}
+
+func TestStepDeleteOSDiskShouldFailIfManagedDiskInExistingResourceGroupIsDeleted(t *testing.T) {
+	var testSubject = &StepDeleteOSDisk{
+		delete:        func(string, string) error { return nil },
+		say:           func(message string) {},
+		error:         func(e error) {},
+		deleteManaged: func(string, string) error { return nil },
+	}
+
+	stateBag := new(multistep.BasicStateBag)
+	stateBag.Put(constants.ArmOSDiskVhd, "subscriptions/123-456-789/resourceGroups/existingresourcegroup/providers/Microsoft.Compute/disks/osdisk")
+	stateBag.Put(constants.ArmIsManagedImage, true)
+	stateBag.Put(constants.ArmIsExistingResourceGroup, true)
+	stateBag.Put(constants.ArmResourceGroupName, "testgroup")
+
+	var result = testSubject.Run(stateBag)
+	if result != multistep.ActionContinue {
+		t.Fatalf("Expected the step to return 'ActionContinue', but got '%d'.", result)
+	}
+
+	if _, ok := stateBag.GetOk(constants.Error); ok == true {
+		t.Fatalf("Expected the step to not set stateBag['%s'], but it was.", constants.Error)
+	}
+}
+
 func DeleteTestStateBagStepDeleteOSDisk(osDiskVhd string) multistep.StateBag {
 	stateBag := new(multistep.BasicStateBag)
 	stateBag.Put(constants.ArmOSDiskVhd, osDiskVhd)
 	stateBag.Put(constants.ArmIsManagedImage, false)
+	stateBag.Put(constants.ArmIsExistingResourceGroup, false)
+	stateBag.Put(constants.ArmResourceGroupName, "testgroup")
 
 	return stateBag
 }

builder/azure/arm/step_delete_resource_group.go

@@ -3,15 +3,20 @@ package arm
 import (
 	"fmt"
 
+	"github.com/Azure/go-autorest/autorest"
 	"github.com/hashicorp/packer/builder/azure/common"
 	"github.com/hashicorp/packer/builder/azure/common/constants"
 	"github.com/hashicorp/packer/packer"
 	"github.com/mitchellh/multistep"
 )
 
+const (
+	maxResourcesToDelete = 50
+)
+
 type StepDeleteResourceGroup struct {
 	client *AzureClient
-	delete func(resourceGroupName string, cancelCh <-chan struct{}) error
+	delete func(state multistep.StateBag, resourceGroupName string, cancelCh <-chan struct{}) error
 	say    func(message string)
 	error  func(e error)
 }
@@ -27,14 +32,69 @@ func NewStepDeleteResourceGroup(client *AzureClient, ui packer.Ui) *StepDeleteRe
 	return step
 }
 
-func (s *StepDeleteResourceGroup) deleteResourceGroup(resourceGroupName string, cancelCh <-chan struct{}) error {
-	_, errChan := s.client.GroupsClient.Delete(resourceGroupName, cancelCh)
+func (s *StepDeleteResourceGroup) deleteResourceGroup(state multistep.StateBag, resourceGroupName string, cancelCh <-chan struct{}) error {
+	var err error
+	if state.Get(constants.ArmIsExistingResourceGroup).(bool) {
+		s.say("\nThe resource group was not created by Packer, only deleting individual resources ...")
+		var deploymentName = state.Get(constants.ArmDeploymentName).(string)
+		if deploymentName != "" {
+			maxResources := int32(maxResourcesToDelete)
+			deploymentOperations, err := s.client.DeploymentOperationsClient.List(resourceGroupName, deploymentName, &maxResources)
+			if err != nil {
+				s.say(fmt.Sprintf("Error deleting resources.  Please delete them manually.\n\n"+
+					"Name: %s\n"+
+					"Error: %s", resourceGroupName, err))
+				s.error(err)
+			}
+			for _, deploymentOperation := range *deploymentOperations.Value {
+				// Sometimes an empty operation is added to the list by Azure
+				if deploymentOperation.Properties.TargetResource == nil {
+					continue
+				}
+				s.say(fmt.Sprintf(" -> %s : '%s'",
+					*deploymentOperation.Properties.TargetResource.ResourceType,
+					*deploymentOperation.Properties.TargetResource.ResourceName))
+				var networkDeleteFunction func(string, string, <-chan struct{}) (<-chan autorest.Response, <-chan error)
+				switch *deploymentOperation.Properties.TargetResource.ResourceType {
+				case "Microsoft.Compute/virtualMachines":
+					_, errChan := s.client.VirtualMachinesClient.Delete(resourceGroupName, *deploymentOperation.Properties.TargetResource.ResourceName, nil)
+					err := <-errChan
+					if err != nil {
+						s.say(fmt.Sprintf("Error deleting resource.  Please delete manually.\n\n"+
+							"Name: %s\n"+
+							"Error: %s", *deploymentOperation.Properties.TargetResource.ResourceName, err.Error()))
+						s.error(err)
+					}
+				case "Microsoft.Network/networkInterfaces":
+					networkDeleteFunction = s.client.InterfacesClient.Delete
+				case "Microsoft.Network/virtualNetworks":
+					networkDeleteFunction = s.client.VirtualNetworksClient.Delete
+				case "Microsoft.Network/publicIPAddresses":
+					networkDeleteFunction = s.client.PublicIPAddressesClient.Delete
+				}
+				if networkDeleteFunction != nil {
+					_, errChan := networkDeleteFunction(resourceGroupName, *deploymentOperation.Properties.TargetResource.ResourceName, nil)
+					err := <-errChan
+					if err != nil {
+						s.say(fmt.Sprintf("Error deleting resource.  Please delete manually.\n\n"+
+							"Name: %s\n"+
+							"Error: %s", *deploymentOperation.Properties.TargetResource.ResourceName, err.Error()))
+						s.error(err)
+					}
+				}
+			}
+		}
+		return err
+	} else {
+		s.say("\nThe resource group was created by Packer, deleting ...")
+		_, errChan := s.client.GroupsClient.Delete(resourceGroupName, cancelCh)
+		err = <-errChan
 
-	err := <-errChan
-	if err != nil {
-		s.say(s.client.LastError.Error())
+		if err != nil {
+			s.say(s.client.LastError.Error())
+		}
+		return err
 	}
-	return err
 }
 
 func (s *StepDeleteResourceGroup) Run(state multistep.StateBag) multistep.StepAction {
@@ -45,8 +105,7 @@ func (s *StepDeleteResourceGroup) Run(state multistep.StateBag) multistep.StepAc
 
 	result := common.StartInterruptibleTask(
 		func() bool { return common.IsStateCancelled(state) },
-		func(cancelCh <-chan struct{}) error { return s.delete(resourceGroupName, cancelCh) })
-
+		func(cancelCh <-chan struct{}) error { return s.delete(state, resourceGroupName, cancelCh) })
 	stepAction := processInterruptibleResult(result, s.error, state)
 	state.Put(constants.ArmIsResourceGroupCreated, false)
 

builder/azure/arm/step_delete_resource_group_test.go

@@ -10,7 +10,7 @@ import (
 
 func TestStepDeleteResourceGroupShouldFailIfDeleteFails(t *testing.T) {
 	var testSubject = &StepDeleteResourceGroup{
-		delete: func(string, <-chan struct{}) error { return fmt.Errorf("!! Unit Test FAIL !!") },
+		delete: func(multistep.StateBag, string, <-chan struct{}) error { return fmt.Errorf("!! Unit Test FAIL !!") },
 		say:    func(message string) {},
 		error:  func(e error) {},
 	}
@@ -29,7 +29,7 @@ func TestStepDeleteResourceGroupShouldFailIfDeleteFails(t *testing.T) {
 
 func TestStepDeleteResourceGroupShouldPassIfDeletePasses(t *testing.T) {
 	var testSubject = &StepDeleteResourceGroup{
-		delete: func(string, <-chan struct{}) error { return nil },
+		delete: func(multistep.StateBag, string, <-chan struct{}) error { return nil },
 		say:    func(message string) {},
 		error:  func(e error) {},
 	}
@@ -48,7 +48,7 @@ func TestStepDeleteResourceGroupShouldPassIfDeletePasses(t *testing.T) {
 
 func TestStepDeleteResourceGroupShouldDeleteStateBagArmResourceGroupCreated(t *testing.T) {
 	var testSubject = &StepDeleteResourceGroup{
-		delete: func(resourceGroupName string, cancelCh <-chan struct{}) error {
+		delete: func(s multistep.StateBag, resourceGroupName string, cancelCh <-chan struct{}) error {
 			return nil
 		},
 		say:   func(message string) {},

builder/azure/arm/step_deploy_template.go

@@ -2,7 +2,10 @@ package arm
 
 import (
 	"fmt"
+	"net/url"
+	"strings"
 
+	"github.com/Azure/go-autorest/autorest"
 	"github.com/hashicorp/packer/builder/azure/common"
 	"github.com/hashicorp/packer/builder/azure/common/constants"
 	"github.com/hashicorp/packer/packer"
@@ -10,12 +13,15 @@ import (
 )
 
 type StepDeployTemplate struct {
-	client  *AzureClient
-	deploy  func(resourceGroupName string, deploymentName string, cancelCh <-chan struct{}) error
-	say     func(message string)
-	error   func(e error)
-	config  *Config
-	factory templateFactoryFunc
+	client     *AzureClient
+	deploy     func(resourceGroupName string, deploymentName string, cancelCh <-chan struct{}) error
+	delete     func(resourceType string, resourceName string, resourceGroupName string) error
+	disk       func(resourceGroupName string, computeName string) (string, string, error)
+	deleteDisk func(imageType string, imageName string, resourceGroupName string) error
+	say        func(message string)
+	error      func(e error)
+	config     *Config
+	factory    templateFactoryFunc
 }
 
 func NewStepDeployTemplate(client *AzureClient, ui packer.Ui, config *Config, factory templateFactoryFunc) *StepDeployTemplate {
@@ -28,6 +34,9 @@ func NewStepDeployTemplate(client *AzureClient, ui packer.Ui, config *Config, fa
 	}
 
 	step.deploy = step.deployTemplate
+	step.delete = step.deleteOperationResource
+	step.disk = step.getImageDetails
+	step.deleteDisk = step.deleteImage
 	return step
 }
 
@@ -65,5 +74,131 @@ func (s *StepDeployTemplate) Run(state multistep.StateBag) multistep.StepAction
 	return processInterruptibleResult(result, s.error, state)
 }
 
-func (*StepDeployTemplate) Cleanup(multistep.StateBag) {
+func (s *StepDeployTemplate) getImageDetails(resourceGroupName string, computeName string) (string, string, error) {
+	//We can't depend on constants.ArmOSDiskVhd being set
+	var imageName string
+	var imageType string
+	vm, err := s.client.VirtualMachinesClient.Get(resourceGroupName, computeName, "")
+	if err != nil {
+		return imageName, imageType, err
+	} else {
+		if vm.StorageProfile.OsDisk.Vhd != nil {
+			imageType = "image"
+			imageName = *vm.StorageProfile.OsDisk.Vhd.URI
+		} else {
+			imageType = "Microsoft.Compute/disks"
+			imageName = *vm.StorageProfile.OsDisk.ManagedDisk.ID
+		}
+	}
+	return imageType, imageName, nil
+}
+
+func (s *StepDeployTemplate) deleteOperationResource(resourceType string, resourceName string, resourceGroupName string) error {
+	var networkDeleteFunction func(string, string, <-chan struct{}) (<-chan autorest.Response, <-chan error)
+	switch resourceType {
+	case "Microsoft.Compute/virtualMachines":
+		_, errChan := s.client.VirtualMachinesClient.Delete(resourceGroupName,
+			resourceName, nil)
+		err := <-errChan
+		if err != nil {
+			return err
+
+		}
+	case "Microsoft.Network/networkInterfaces":
+		networkDeleteFunction = s.client.InterfacesClient.Delete
+	case "Microsoft.Network/virtualNetworks":
+		networkDeleteFunction = s.client.VirtualNetworksClient.Delete
+	case "Microsoft.Network/publicIPAddresses":
+		networkDeleteFunction = s.client.PublicIPAddressesClient.Delete
+	}
+	if networkDeleteFunction != nil {
+		_, errChan := networkDeleteFunction(resourceGroupName, resourceName, nil)
+		err := <-errChan
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (s *StepDeployTemplate) deleteImage(imageType string, imageName string, resourceGroupName string) error {
+	// Managed disk
+	if imageType == "Microsoft.Compute/disks" {
+		xs := strings.Split(imageName, "/")
+		diskName := xs[len(xs)-1]
+		_, errChan := s.client.DisksClient.Delete(resourceGroupName, diskName, nil)
+		err := <-errChan
+		return err
+	}
+	// VHD image
+	u, err := url.Parse(imageName)
+	if err != nil {
+		return err
+	}
+	xs := strings.Split(u.Path, "/")
+	var storageAccountName = xs[1]
+	var blobName = strings.Join(xs[2:], "/")
+
+	blob := s.client.BlobStorageClient.GetContainerReference(storageAccountName).GetBlobReference(blobName)
+	err = blob.Delete(nil)
+	return err
+
+}
+
+func (s *StepDeployTemplate) Cleanup(state multistep.StateBag) {
+	//Only clean up if this was an existing resource group and the resource group
+	//is marked as created
+	var existingResourceGroup = state.Get(constants.ArmIsExistingResourceGroup).(bool)
+	var resourceGroupCreated = state.Get(constants.ArmIsResourceGroupCreated).(bool)
+	if !existingResourceGroup || !resourceGroupCreated {
+		return
+	}
+	ui := state.Get("ui").(packer.Ui)
+	ui.Say("\nThe resource group was not created by Packer, deleting individual resources ...")
+
+	var resourceGroupName = state.Get(constants.ArmResourceGroupName).(string)
+	var computeName = state.Get(constants.ArmComputeName).(string)
+	var deploymentName = state.Get(constants.ArmDeploymentName).(string)
+	imageType, imageName, err := s.disk(resourceGroupName, computeName)
+	if err != nil {
+		ui.Error("Could not retrieve OS Image details")
+	}
+
+	ui.Say(" -> Deployment: " + deploymentName)
+	if deploymentName != "" {
+		maxResources := int32(50)
+		deploymentOperations, err := s.client.DeploymentOperationsClient.List(resourceGroupName, deploymentName, &maxResources)
+		if err != nil {
+			ui.Error(fmt.Sprintf("Error deleting resources.  Please delete them manually.\n\n"+
+				"Name: %s\n"+
+				"Error: %s", resourceGroupName, err))
+		}
+		for _, deploymentOperation := range *deploymentOperations.Value {
+			// Sometimes an empty operation is added to the list by Azure
+			if deploymentOperation.Properties.TargetResource == nil {
+				continue
+			}
+			ui.Say(fmt.Sprintf(" -> %s : '%s'",
+				*deploymentOperation.Properties.TargetResource.ResourceType,
+				*deploymentOperation.Properties.TargetResource.ResourceName))
+			err = s.delete(*deploymentOperation.Properties.TargetResource.ResourceType,
+				*deploymentOperation.Properties.TargetResource.ResourceName,
+				resourceGroupName)
+			if err != nil {
+				ui.Error(fmt.Sprintf("Error deleting resource.  Please delete manually.\n\n"+
+					"Name: %s\n"+
+					"Error: %s", *deploymentOperation.Properties.TargetResource.ResourceName, err))
+			}
+		}
+
+		// The disk is not defined as an operation in the template so has to be
+		// deleted separately
+		ui.Say(fmt.Sprintf(" -> %s : '%s'", imageType, imageName))
+		err = s.deleteDisk(imageType, imageName, resourceGroupName)
+		if err != nil {
+			ui.Error(fmt.Sprintf("Error deleting resource.  Please delete manually.\n\n"+
+				"Name: %s\n"+
+				"Error: %s", imageName, err))
+		}
+	}
 }

builder/azure/common/constants/stateBag.go

@@ -23,9 +23,11 @@ const (
 	ArmPublicIPAddressName             string = "arm.PublicIPAddressName"
 	ArmResourceGroupName               string = "arm.ResourceGroupName"
 	ArmIsResourceGroupCreated          string = "arm.IsResourceGroupCreated"
+	ArmDoubleResourceGroupNameSet      string = "arm.DoubleResourceGroupNameSet"
 	ArmStorageAccountName              string = "arm.StorageAccountName"
 	ArmTags                            string = "arm.Tags"
 	ArmVirtualMachineCaptureParameters string = "arm.VirtualMachineCaptureParameters"
+	ArmIsExistingResourceGroup         string = "arm.IsExistingResourceGroup"
 
 	ArmIsManagedImage                string = "arm.IsManagedImage"
 	ArmManagedImageResourceGroupName string = "arm.ManagedImageResourceGroupName"

vendor/github.com/Azure/azure-sdk-for-go/arm/disk/client.go

@@ -0,0 +1,53 @@
+// Package disk implements the Azure ARM Disk service API version
+// 2016-04-30-preview.
+//
+// The Disk Resource Provider Client.
+package disk
+
+// Copyright (c) Microsoft and contributors.  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator 1.0.1.0
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+
+import (
+	"github.com/Azure/go-autorest/autorest"
+)
+
+const (
+	// DefaultBaseURI is the default URI used for the service Disk
+	DefaultBaseURI = "https://management.azure.com"
+)
+
+// ManagementClient is the base client for Disk.
+type ManagementClient struct {
+	autorest.Client
+	BaseURI        string
+	SubscriptionID string
+}
+
+// New creates an instance of the ManagementClient client.
+func New(subscriptionID string) ManagementClient {
+	return NewWithBaseURI(DefaultBaseURI, subscriptionID)
+}
+
+// NewWithBaseURI creates an instance of the ManagementClient client.
+func NewWithBaseURI(baseURI string, subscriptionID string) ManagementClient {
+	return ManagementClient{
+		Client:         autorest.NewClientWithUserAgent(UserAgent()),
+		BaseURI:        baseURI,
+		SubscriptionID: subscriptionID,
+	}
+}

vendor/github.com/Azure/azure-sdk-for-go/arm/disk/disks.go

@@ -0,0 +1,728 @@
+package disk
+
+// Copyright (c) Microsoft and contributors.  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator 1.0.1.0
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+
+import (
+	"github.com/Azure/go-autorest/autorest"
+	"github.com/Azure/go-autorest/autorest/azure"
+	"github.com/Azure/go-autorest/autorest/validation"
+	"net/http"
+)
+
+// DisksClient is the the Disk Resource Provider Client.
+type DisksClient struct {
+	ManagementClient
+}
+
+// NewDisksClient creates an instance of the DisksClient client.
+func NewDisksClient(subscriptionID string) DisksClient {
+	return NewDisksClientWithBaseURI(DefaultBaseURI, subscriptionID)
+}
+
+// NewDisksClientWithBaseURI creates an instance of the DisksClient client.
+func NewDisksClientWithBaseURI(baseURI string, subscriptionID string) DisksClient {
+	return DisksClient{NewWithBaseURI(baseURI, subscriptionID)}
+}
+
+// CreateOrUpdate creates or updates a disk. This method may poll for
+// completion. Polling can be canceled by passing the cancel channel argument.
+// The channel will be used to cancel polling and any outstanding HTTP
+// requests.
+//
+// resourceGroupName is the name of the resource group. diskName is the name of
+// the disk within the given subscription and resource group. diskParameter is
+// disk object supplied in the body of the Put disk operation.
+func (client DisksClient) CreateOrUpdate(resourceGroupName string, diskName string, diskParameter Model, cancel <-chan struct{}) (<-chan Model, <-chan error) {
+	resultChan := make(chan Model, 1)
+	errChan := make(chan error, 1)
+	if err := validation.Validate([]validation.Validation{
+		{TargetValue: diskParameter,
+			Constraints: []validation.Constraint{{Target: "diskParameter.Properties", Name: validation.Null, Rule: false,
+				Chain: []validation.Constraint{{Target: "diskParameter.Properties.CreationData", Name: validation.Null, Rule: true,
+					Chain: []validation.Constraint{{Target: "diskParameter.Properties.CreationData.ImageReference", Name: validation.Null, Rule: false,
+						Chain: []validation.Constraint{{Target: "diskParameter.Properties.CreationData.ImageReference.ID", Name: validation.Null, Rule: true, Chain: nil}}},
+					}},
+					{Target: "diskParameter.Properties.EncryptionSettings", Name: validation.Null, Rule: false,
+						Chain: []validation.Constraint{{Target: "diskParameter.Properties.EncryptionSettings.DiskEncryptionKey", Name: validation.Null, Rule: false,
+							Chain: []validation.Constraint{{Target: "diskParameter.Properties.EncryptionSettings.DiskEncryptionKey.SourceVault", Name: validation.Null, Rule: true, Chain: nil},
+								{Target: "diskParameter.Properties.EncryptionSettings.DiskEncryptionKey.SecretURL", Name: validation.Null, Rule: true, Chain: nil},
+							}},
+							{Target: "diskParameter.Properties.EncryptionSettings.KeyEncryptionKey", Name: validation.Null, Rule: false,
+								Chain: []validation.Constraint{{Target: "diskParameter.Properties.EncryptionSettings.KeyEncryptionKey.SourceVault", Name: validation.Null, Rule: true, Chain: nil},
+									{Target: "diskParameter.Properties.EncryptionSettings.KeyEncryptionKey.KeyURL", Name: validation.Null, Rule: true, Chain: nil},
+								}},
+						}},
+				}}}}}); err != nil {
+		errChan <- validation.NewErrorWithValidationError(err, "disk.DisksClient", "CreateOrUpdate")
+		close(errChan)
+		close(resultChan)
+		return resultChan, errChan
+	}
+
+	go func() {
+		var err error
+		var result Model
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.CreateOrUpdatePreparer(resourceGroupName, diskName, diskParameter, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "CreateOrUpdate", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.CreateOrUpdateSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "CreateOrUpdate", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.CreateOrUpdateResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "CreateOrUpdate", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
+func (client DisksClient) CreateOrUpdatePreparer(resourceGroupName string, diskName string, diskParameter Model, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"diskName":          autorest.Encode("path", diskName),
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsJSON(),
+		autorest.AsPut(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}", pathParameters),
+		autorest.WithJSON(diskParameter),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// CreateOrUpdateSender sends the CreateOrUpdate request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// CreateOrUpdateResponder handles the response to the CreateOrUpdate request. The method always
+// closes the http.Response Body.
+func (client DisksClient) CreateOrUpdateResponder(resp *http.Response) (result Model, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// Delete deletes a disk. This method may poll for completion. Polling can be
+// canceled by passing the cancel channel argument. The channel will be used to
+// cancel polling and any outstanding HTTP requests.
+//
+// resourceGroupName is the name of the resource group. diskName is the name of
+// the disk within the given subscription and resource group.
+func (client DisksClient) Delete(resourceGroupName string, diskName string, cancel <-chan struct{}) (<-chan OperationStatusResponse, <-chan error) {
+	resultChan := make(chan OperationStatusResponse, 1)
+	errChan := make(chan error, 1)
+	go func() {
+		var err error
+		var result OperationStatusResponse
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.DeletePreparer(resourceGroupName, diskName, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "Delete", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.DeleteSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "Delete", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.DeleteResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "Delete", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// DeletePreparer prepares the Delete request.
+func (client DisksClient) DeletePreparer(resourceGroupName string, diskName string, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"diskName":          autorest.Encode("path", diskName),
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsDelete(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// DeleteSender sends the Delete request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) DeleteSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// DeleteResponder handles the response to the Delete request. The method always
+// closes the http.Response Body.
+func (client DisksClient) DeleteResponder(resp *http.Response) (result OperationStatusResponse, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted, http.StatusNoContent),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// Get gets information about a disk.
+//
+// resourceGroupName is the name of the resource group. diskName is the name of
+// the disk within the given subscription and resource group.
+func (client DisksClient) Get(resourceGroupName string, diskName string) (result Model, err error) {
+	req, err := client.GetPreparer(resourceGroupName, diskName)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "Get", nil, "Failure preparing request")
+		return
+	}
+
+	resp, err := client.GetSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "Get", resp, "Failure sending request")
+		return
+	}
+
+	result, err = client.GetResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "Get", resp, "Failure responding to request")
+	}
+
+	return
+}
+
+// GetPreparer prepares the Get request.
+func (client DisksClient) GetPreparer(resourceGroupName string, diskName string) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"diskName":          autorest.Encode("path", diskName),
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsGet(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{})
+}
+
+// GetSender sends the Get request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) GetSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client, req)
+}
+
+// GetResponder handles the response to the Get request. The method always
+// closes the http.Response Body.
+func (client DisksClient) GetResponder(resp *http.Response) (result Model, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// GrantAccess grants access to a disk. This method may poll for completion.
+// Polling can be canceled by passing the cancel channel argument. The channel
+// will be used to cancel polling and any outstanding HTTP requests.
+//
+// resourceGroupName is the name of the resource group. diskName is the name of
+// the disk within the given subscription and resource group. grantAccessData
+// is access data object supplied in the body of the get disk access operation.
+func (client DisksClient) GrantAccess(resourceGroupName string, diskName string, grantAccessData GrantAccessData, cancel <-chan struct{}) (<-chan AccessURI, <-chan error) {
+	resultChan := make(chan AccessURI, 1)
+	errChan := make(chan error, 1)
+	if err := validation.Validate([]validation.Validation{
+		{TargetValue: grantAccessData,
+			Constraints: []validation.Constraint{{Target: "grantAccessData.DurationInSeconds", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
+		errChan <- validation.NewErrorWithValidationError(err, "disk.DisksClient", "GrantAccess")
+		close(errChan)
+		close(resultChan)
+		return resultChan, errChan
+	}
+
+	go func() {
+		var err error
+		var result AccessURI
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.GrantAccessPreparer(resourceGroupName, diskName, grantAccessData, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "GrantAccess", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.GrantAccessSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "GrantAccess", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.GrantAccessResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "GrantAccess", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// GrantAccessPreparer prepares the GrantAccess request.
+func (client DisksClient) GrantAccessPreparer(resourceGroupName string, diskName string, grantAccessData GrantAccessData, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"diskName":          autorest.Encode("path", diskName),
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsJSON(),
+		autorest.AsPost(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}/beginGetAccess", pathParameters),
+		autorest.WithJSON(grantAccessData),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// GrantAccessSender sends the GrantAccess request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) GrantAccessSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// GrantAccessResponder handles the response to the GrantAccess request. The method always
+// closes the http.Response Body.
+func (client DisksClient) GrantAccessResponder(resp *http.Response) (result AccessURI, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// List lists all the disks under a subscription.
+func (client DisksClient) List() (result ListType, err error) {
+	req, err := client.ListPreparer()
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "List", nil, "Failure preparing request")
+		return
+	}
+
+	resp, err := client.ListSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "List", resp, "Failure sending request")
+		return
+	}
+
+	result, err = client.ListResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "List", resp, "Failure responding to request")
+	}
+
+	return
+}
+
+// ListPreparer prepares the List request.
+func (client DisksClient) ListPreparer() (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsGet(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Compute/disks", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{})
+}
+
+// ListSender sends the List request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) ListSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client, req)
+}
+
+// ListResponder handles the response to the List request. The method always
+// closes the http.Response Body.
+func (client DisksClient) ListResponder(resp *http.Response) (result ListType, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// ListNextResults retrieves the next set of results, if any.
+func (client DisksClient) ListNextResults(lastResults ListType) (result ListType, err error) {
+	req, err := lastResults.ListTypePreparer()
+	if err != nil {
+		return result, autorest.NewErrorWithError(err, "disk.DisksClient", "List", nil, "Failure preparing next results request")
+	}
+	if req == nil {
+		return
+	}
+
+	resp, err := client.ListSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		return result, autorest.NewErrorWithError(err, "disk.DisksClient", "List", resp, "Failure sending next results request")
+	}
+
+	result, err = client.ListResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "List", resp, "Failure responding to next results request")
+	}
+
+	return
+}
+
+// ListByResourceGroup lists all the disks under a resource group.
+//
+// resourceGroupName is the name of the resource group.
+func (client DisksClient) ListByResourceGroup(resourceGroupName string) (result ListType, err error) {
+	req, err := client.ListByResourceGroupPreparer(resourceGroupName)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "ListByResourceGroup", nil, "Failure preparing request")
+		return
+	}
+
+	resp, err := client.ListByResourceGroupSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "ListByResourceGroup", resp, "Failure sending request")
+		return
+	}
+
+	result, err = client.ListByResourceGroupResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "ListByResourceGroup", resp, "Failure responding to request")
+	}
+
+	return
+}
+
+// ListByResourceGroupPreparer prepares the ListByResourceGroup request.
+func (client DisksClient) ListByResourceGroupPreparer(resourceGroupName string) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsGet(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{})
+}
+
+// ListByResourceGroupSender sends the ListByResourceGroup request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) ListByResourceGroupSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client, req)
+}
+
+// ListByResourceGroupResponder handles the response to the ListByResourceGroup request. The method always
+// closes the http.Response Body.
+func (client DisksClient) ListByResourceGroupResponder(resp *http.Response) (result ListType, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// ListByResourceGroupNextResults retrieves the next set of results, if any.
+func (client DisksClient) ListByResourceGroupNextResults(lastResults ListType) (result ListType, err error) {
+	req, err := lastResults.ListTypePreparer()
+	if err != nil {
+		return result, autorest.NewErrorWithError(err, "disk.DisksClient", "ListByResourceGroup", nil, "Failure preparing next results request")
+	}
+	if req == nil {
+		return
+	}
+
+	resp, err := client.ListByResourceGroupSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		return result, autorest.NewErrorWithError(err, "disk.DisksClient", "ListByResourceGroup", resp, "Failure sending next results request")
+	}
+
+	result, err = client.ListByResourceGroupResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.DisksClient", "ListByResourceGroup", resp, "Failure responding to next results request")
+	}
+
+	return
+}
+
+// RevokeAccess revokes access to a disk. This method may poll for completion.
+// Polling can be canceled by passing the cancel channel argument. The channel
+// will be used to cancel polling and any outstanding HTTP requests.
+//
+// resourceGroupName is the name of the resource group. diskName is the name of
+// the disk within the given subscription and resource group.
+func (client DisksClient) RevokeAccess(resourceGroupName string, diskName string, cancel <-chan struct{}) (<-chan OperationStatusResponse, <-chan error) {
+	resultChan := make(chan OperationStatusResponse, 1)
+	errChan := make(chan error, 1)
+	go func() {
+		var err error
+		var result OperationStatusResponse
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.RevokeAccessPreparer(resourceGroupName, diskName, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "RevokeAccess", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.RevokeAccessSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "RevokeAccess", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.RevokeAccessResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "RevokeAccess", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// RevokeAccessPreparer prepares the RevokeAccess request.
+func (client DisksClient) RevokeAccessPreparer(resourceGroupName string, diskName string, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"diskName":          autorest.Encode("path", diskName),
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsPost(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}/endGetAccess", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// RevokeAccessSender sends the RevokeAccess request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) RevokeAccessSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// RevokeAccessResponder handles the response to the RevokeAccess request. The method always
+// closes the http.Response Body.
+func (client DisksClient) RevokeAccessResponder(resp *http.Response) (result OperationStatusResponse, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// Update updates (patches) a disk. This method may poll for completion.
+// Polling can be canceled by passing the cancel channel argument. The channel
+// will be used to cancel polling and any outstanding HTTP requests.
+//
+// resourceGroupName is the name of the resource group. diskName is the name of
+// the disk within the given subscription and resource group. diskParameter is
+// disk object supplied in the body of the Patch disk operation.
+func (client DisksClient) Update(resourceGroupName string, diskName string, diskParameter UpdateType, cancel <-chan struct{}) (<-chan Model, <-chan error) {
+	resultChan := make(chan Model, 1)
+	errChan := make(chan error, 1)
+	go func() {
+		var err error
+		var result Model
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.UpdatePreparer(resourceGroupName, diskName, diskParameter, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "Update", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.UpdateSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "Update", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.UpdateResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.DisksClient", "Update", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// UpdatePreparer prepares the Update request.
+func (client DisksClient) UpdatePreparer(resourceGroupName string, diskName string, diskParameter UpdateType, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"diskName":          autorest.Encode("path", diskName),
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsJSON(),
+		autorest.AsPatch(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}", pathParameters),
+		autorest.WithJSON(diskParameter),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// UpdateSender sends the Update request. The method will close the
+// http.Response Body if it receives an error.
+func (client DisksClient) UpdateSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// UpdateResponder handles the response to the Update request. The method always
+// closes the http.Response Body.
+func (client DisksClient) UpdateResponder(resp *http.Response) (result Model, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}

vendor/github.com/Azure/azure-sdk-for-go/arm/disk/models.go

@@ -0,0 +1,278 @@
+package disk
+
+// Copyright (c) Microsoft and contributors.  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator 1.0.1.0
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+
+import (
+	"github.com/Azure/go-autorest/autorest"
+	"github.com/Azure/go-autorest/autorest/date"
+	"github.com/Azure/go-autorest/autorest/to"
+	"net/http"
+)
+
+// AccessLevel enumerates the values for access level.
+type AccessLevel string
+
+const (
+	// None specifies the none state for access level.
+	None AccessLevel = "None"
+	// Read specifies the read state for access level.
+	Read AccessLevel = "Read"
+)
+
+// CreateOption enumerates the values for create option.
+type CreateOption string
+
+const (
+	// Attach specifies the attach state for create option.
+	Attach CreateOption = "Attach"
+	// Copy specifies the copy state for create option.
+	Copy CreateOption = "Copy"
+	// Empty specifies the empty state for create option.
+	Empty CreateOption = "Empty"
+	// FromImage specifies the from image state for create option.
+	FromImage CreateOption = "FromImage"
+	// Import specifies the import state for create option.
+	Import CreateOption = "Import"
+	// Restore specifies the restore state for create option.
+	Restore CreateOption = "Restore"
+)
+
+// OperatingSystemTypes enumerates the values for operating system types.
+type OperatingSystemTypes string
+
+const (
+	// Linux specifies the linux state for operating system types.
+	Linux OperatingSystemTypes = "Linux"
+	// Windows specifies the windows state for operating system types.
+	Windows OperatingSystemTypes = "Windows"
+)
+
+// StorageAccountTypes enumerates the values for storage account types.
+type StorageAccountTypes string
+
+const (
+	// PremiumLRS specifies the premium lrs state for storage account types.
+	PremiumLRS StorageAccountTypes = "Premium_LRS"
+	// StandardLRS specifies the standard lrs state for storage account types.
+	StandardLRS StorageAccountTypes = "Standard_LRS"
+)
+
+// AccessURI is a disk access SAS uri.
+type AccessURI struct {
+	autorest.Response `json:"-"`
+	*AccessURIOutput  `json:"properties,omitempty"`
+}
+
+// AccessURIOutput is azure properties, including output.
+type AccessURIOutput struct {
+	*AccessURIRaw `json:"output,omitempty"`
+}
+
+// AccessURIRaw is this object gets 'bubbled up' through flattening.
+type AccessURIRaw struct {
+	AccessSAS *string `json:"accessSAS,omitempty"`
+}
+
+// APIError is api error.
+type APIError struct {
+	Details    *[]APIErrorBase `json:"details,omitempty"`
+	Innererror *InnerError     `json:"innererror,omitempty"`
+	Code       *string         `json:"code,omitempty"`
+	Target     *string         `json:"target,omitempty"`
+	Message    *string         `json:"message,omitempty"`
+}
+
+// APIErrorBase is api error base.
+type APIErrorBase struct {
+	Code    *string `json:"code,omitempty"`
+	Target  *string `json:"target,omitempty"`
+	Message *string `json:"message,omitempty"`
+}
+
+// CreationData is data used when creating a disk.
+type CreationData struct {
+	CreateOption     CreateOption        `json:"createOption,omitempty"`
+	StorageAccountID *string             `json:"storageAccountId,omitempty"`
+	ImageReference   *ImageDiskReference `json:"imageReference,omitempty"`
+	SourceURI        *string             `json:"sourceUri,omitempty"`
+	SourceResourceID *string             `json:"sourceResourceId,omitempty"`
+}
+
+// EncryptionSettings is encryption settings for disk or snapshot
+type EncryptionSettings struct {
+	Enabled           *bool                       `json:"enabled,omitempty"`
+	DiskEncryptionKey *KeyVaultAndSecretReference `json:"diskEncryptionKey,omitempty"`
+	KeyEncryptionKey  *KeyVaultAndKeyReference    `json:"keyEncryptionKey,omitempty"`
+}
+
+// GrantAccessData is data used for requesting a SAS.
+type GrantAccessData struct {
+	Access            AccessLevel `json:"access,omitempty"`
+	DurationInSeconds *int32      `json:"durationInSeconds,omitempty"`
+}
+
+// ImageDiskReference is the source image used for creating the disk.
+type ImageDiskReference struct {
+	ID  *string `json:"id,omitempty"`
+	Lun *int32  `json:"lun,omitempty"`
+}
+
+// InnerError is inner error details.
+type InnerError struct {
+	Exceptiontype *string `json:"exceptiontype,omitempty"`
+	Errordetail   *string `json:"errordetail,omitempty"`
+}
+
+// KeyVaultAndKeyReference is key Vault Key Url and vault id of KeK, KeK is
+// optional and when provided is used to unwrap the encryptionKey
+type KeyVaultAndKeyReference struct {
+	SourceVault *SourceVault `json:"sourceVault,omitempty"`
+	KeyURL      *string      `json:"keyUrl,omitempty"`
+}
+
+// KeyVaultAndSecretReference is key Vault Secret Url and vault id of the
+// encryption key
+type KeyVaultAndSecretReference struct {
+	SourceVault *SourceVault `json:"sourceVault,omitempty"`
+	SecretURL   *string      `json:"secretUrl,omitempty"`
+}
+
+// ListType is the List Disks operation response.
+type ListType struct {
+	autorest.Response `json:"-"`
+	Value             *[]Model `json:"value,omitempty"`
+	NextLink          *string  `json:"nextLink,omitempty"`
+}
+
+// ListTypePreparer prepares a request to retrieve the next set of results. It returns
+// nil if no more results exist.
+func (client ListType) ListTypePreparer() (*http.Request, error) {
+	if client.NextLink == nil || len(to.String(client.NextLink)) <= 0 {
+		return nil, nil
+	}
+	return autorest.Prepare(&http.Request{},
+		autorest.AsJSON(),
+		autorest.AsGet(),
+		autorest.WithBaseURL(to.String(client.NextLink)))
+}
+
+// Model is disk resource.
+type Model struct {
+	autorest.Response `json:"-"`
+	ID                *string             `json:"id,omitempty"`
+	Name              *string             `json:"name,omitempty"`
+	Type              *string             `json:"type,omitempty"`
+	Location          *string             `json:"location,omitempty"`
+	Tags              *map[string]*string `json:"tags,omitempty"`
+	*Properties       `json:"properties,omitempty"`
+}
+
+// OperationStatusResponse is operation status response
+type OperationStatusResponse struct {
+	autorest.Response `json:"-"`
+	Name              *string    `json:"name,omitempty"`
+	Status            *string    `json:"status,omitempty"`
+	StartTime         *date.Time `json:"startTime,omitempty"`
+	EndTime           *date.Time `json:"endTime,omitempty"`
+	Error             *APIError  `json:"error,omitempty"`
+}
+
+// Properties is disk resource properties.
+type Properties struct {
+	AccountType        StorageAccountTypes  `json:"accountType,omitempty"`
+	TimeCreated        *date.Time           `json:"timeCreated,omitempty"`
+	OsType             OperatingSystemTypes `json:"osType,omitempty"`
+	CreationData       *CreationData        `json:"creationData,omitempty"`
+	DiskSizeGB         *int32               `json:"diskSizeGB,omitempty"`
+	EncryptionSettings *EncryptionSettings  `json:"encryptionSettings,omitempty"`
+	OwnerID            *string              `json:"ownerId,omitempty"`
+	ProvisioningState  *string              `json:"provisioningState,omitempty"`
+}
+
+// Resource is the Resource model definition.
+type Resource struct {
+	ID       *string             `json:"id,omitempty"`
+	Name     *string             `json:"name,omitempty"`
+	Type     *string             `json:"type,omitempty"`
+	Location *string             `json:"location,omitempty"`
+	Tags     *map[string]*string `json:"tags,omitempty"`
+}
+
+// ResourceUpdate is the Resource model definition.
+type ResourceUpdate struct {
+	Tags *map[string]*string `json:"tags,omitempty"`
+}
+
+// Snapshot is snapshot resource.
+type Snapshot struct {
+	autorest.Response `json:"-"`
+	ID                *string             `json:"id,omitempty"`
+	Name              *string             `json:"name,omitempty"`
+	Type              *string             `json:"type,omitempty"`
+	Location          *string             `json:"location,omitempty"`
+	Tags              *map[string]*string `json:"tags,omitempty"`
+	*Properties       `json:"properties,omitempty"`
+}
+
+// SnapshotList is the List Snapshots operation response.
+type SnapshotList struct {
+	autorest.Response `json:"-"`
+	Value             *[]Snapshot `json:"value,omitempty"`
+	NextLink          *string     `json:"nextLink,omitempty"`
+}
+
+// SnapshotListPreparer prepares a request to retrieve the next set of results. It returns
+// nil if no more results exist.
+func (client SnapshotList) SnapshotListPreparer() (*http.Request, error) {
+	if client.NextLink == nil || len(to.String(client.NextLink)) <= 0 {
+		return nil, nil
+	}
+	return autorest.Prepare(&http.Request{},
+		autorest.AsJSON(),
+		autorest.AsGet(),
+		autorest.WithBaseURL(to.String(client.NextLink)))
+}
+
+// SnapshotUpdate is snapshot update resource.
+type SnapshotUpdate struct {
+	Tags              *map[string]*string `json:"tags,omitempty"`
+	*UpdateProperties `json:"properties,omitempty"`
+}
+
+// SourceVault is the vault id is an Azure Resource Manager Resoure id in the
+// form
+// /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.KeyVault/vaults/{vaultName}
+type SourceVault struct {
+	ID *string `json:"id,omitempty"`
+}
+
+// UpdateProperties is disk resource update properties.
+type UpdateProperties struct {
+	AccountType        StorageAccountTypes  `json:"accountType,omitempty"`
+	OsType             OperatingSystemTypes `json:"osType,omitempty"`
+	CreationData       *CreationData        `json:"creationData,omitempty"`
+	DiskSizeGB         *int32               `json:"diskSizeGB,omitempty"`
+	EncryptionSettings *EncryptionSettings  `json:"encryptionSettings,omitempty"`
+}
+
+// UpdateType is disk update resource.
+type UpdateType struct {
+	Tags              *map[string]*string `json:"tags,omitempty"`
+	*UpdateProperties `json:"properties,omitempty"`
+}

vendor/github.com/Azure/azure-sdk-for-go/arm/disk/snapshots.go

@@ -0,0 +1,733 @@
+package disk
+
+// Copyright (c) Microsoft and contributors.  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator 1.0.1.0
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+
+import (
+	"github.com/Azure/go-autorest/autorest"
+	"github.com/Azure/go-autorest/autorest/azure"
+	"github.com/Azure/go-autorest/autorest/validation"
+	"net/http"
+)
+
+// SnapshotsClient is the the Disk Resource Provider Client.
+type SnapshotsClient struct {
+	ManagementClient
+}
+
+// NewSnapshotsClient creates an instance of the SnapshotsClient client.
+func NewSnapshotsClient(subscriptionID string) SnapshotsClient {
+	return NewSnapshotsClientWithBaseURI(DefaultBaseURI, subscriptionID)
+}
+
+// NewSnapshotsClientWithBaseURI creates an instance of the SnapshotsClient
+// client.
+func NewSnapshotsClientWithBaseURI(baseURI string, subscriptionID string) SnapshotsClient {
+	return SnapshotsClient{NewWithBaseURI(baseURI, subscriptionID)}
+}
+
+// CreateOrUpdate creates or updates a snapshot. This method may poll for
+// completion. Polling can be canceled by passing the cancel channel argument.
+// The channel will be used to cancel polling and any outstanding HTTP
+// requests.
+//
+// resourceGroupName is the name of the resource group. snapshotName is the
+// name of the snapshot within the given subscription and resource group.
+// snapshot is snapshot object supplied in the body of the Put disk operation.
+func (client SnapshotsClient) CreateOrUpdate(resourceGroupName string, snapshotName string, snapshot Snapshot, cancel <-chan struct{}) (<-chan Snapshot, <-chan error) {
+	resultChan := make(chan Snapshot, 1)
+	errChan := make(chan error, 1)
+	if err := validation.Validate([]validation.Validation{
+		{TargetValue: snapshot,
+			Constraints: []validation.Constraint{{Target: "snapshot.Properties", Name: validation.Null, Rule: false,
+				Chain: []validation.Constraint{{Target: "snapshot.Properties.CreationData", Name: validation.Null, Rule: true,
+					Chain: []validation.Constraint{{Target: "snapshot.Properties.CreationData.ImageReference", Name: validation.Null, Rule: false,
+						Chain: []validation.Constraint{{Target: "snapshot.Properties.CreationData.ImageReference.ID", Name: validation.Null, Rule: true, Chain: nil}}},
+					}},
+					{Target: "snapshot.Properties.EncryptionSettings", Name: validation.Null, Rule: false,
+						Chain: []validation.Constraint{{Target: "snapshot.Properties.EncryptionSettings.DiskEncryptionKey", Name: validation.Null, Rule: false,
+							Chain: []validation.Constraint{{Target: "snapshot.Properties.EncryptionSettings.DiskEncryptionKey.SourceVault", Name: validation.Null, Rule: true, Chain: nil},
+								{Target: "snapshot.Properties.EncryptionSettings.DiskEncryptionKey.SecretURL", Name: validation.Null, Rule: true, Chain: nil},
+							}},
+							{Target: "snapshot.Properties.EncryptionSettings.KeyEncryptionKey", Name: validation.Null, Rule: false,
+								Chain: []validation.Constraint{{Target: "snapshot.Properties.EncryptionSettings.KeyEncryptionKey.SourceVault", Name: validation.Null, Rule: true, Chain: nil},
+									{Target: "snapshot.Properties.EncryptionSettings.KeyEncryptionKey.KeyURL", Name: validation.Null, Rule: true, Chain: nil},
+								}},
+						}},
+				}}}}}); err != nil {
+		errChan <- validation.NewErrorWithValidationError(err, "disk.SnapshotsClient", "CreateOrUpdate")
+		close(errChan)
+		close(resultChan)
+		return resultChan, errChan
+	}
+
+	go func() {
+		var err error
+		var result Snapshot
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.CreateOrUpdatePreparer(resourceGroupName, snapshotName, snapshot, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "CreateOrUpdate", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.CreateOrUpdateSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "CreateOrUpdate", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.CreateOrUpdateResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "CreateOrUpdate", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
+func (client SnapshotsClient) CreateOrUpdatePreparer(resourceGroupName string, snapshotName string, snapshot Snapshot, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"snapshotName":      autorest.Encode("path", snapshotName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsJSON(),
+		autorest.AsPut(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots/{snapshotName}", pathParameters),
+		autorest.WithJSON(snapshot),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// CreateOrUpdateSender sends the CreateOrUpdate request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// CreateOrUpdateResponder handles the response to the CreateOrUpdate request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) CreateOrUpdateResponder(resp *http.Response) (result Snapshot, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// Delete deletes a snapshot. This method may poll for completion. Polling can
+// be canceled by passing the cancel channel argument. The channel will be used
+// to cancel polling and any outstanding HTTP requests.
+//
+// resourceGroupName is the name of the resource group. snapshotName is the
+// name of the snapshot within the given subscription and resource group.
+func (client SnapshotsClient) Delete(resourceGroupName string, snapshotName string, cancel <-chan struct{}) (<-chan OperationStatusResponse, <-chan error) {
+	resultChan := make(chan OperationStatusResponse, 1)
+	errChan := make(chan error, 1)
+	go func() {
+		var err error
+		var result OperationStatusResponse
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.DeletePreparer(resourceGroupName, snapshotName, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Delete", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.DeleteSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Delete", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.DeleteResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Delete", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// DeletePreparer prepares the Delete request.
+func (client SnapshotsClient) DeletePreparer(resourceGroupName string, snapshotName string, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"snapshotName":      autorest.Encode("path", snapshotName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsDelete(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots/{snapshotName}", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// DeleteSender sends the Delete request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) DeleteSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// DeleteResponder handles the response to the Delete request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) DeleteResponder(resp *http.Response) (result OperationStatusResponse, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted, http.StatusNoContent),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// Get gets information about a snapshot.
+//
+// resourceGroupName is the name of the resource group. snapshotName is the
+// name of the snapshot within the given subscription and resource group.
+func (client SnapshotsClient) Get(resourceGroupName string, snapshotName string) (result Snapshot, err error) {
+	req, err := client.GetPreparer(resourceGroupName, snapshotName)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Get", nil, "Failure preparing request")
+		return
+	}
+
+	resp, err := client.GetSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Get", resp, "Failure sending request")
+		return
+	}
+
+	result, err = client.GetResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Get", resp, "Failure responding to request")
+	}
+
+	return
+}
+
+// GetPreparer prepares the Get request.
+func (client SnapshotsClient) GetPreparer(resourceGroupName string, snapshotName string) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"snapshotName":      autorest.Encode("path", snapshotName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsGet(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots/{snapshotName}", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{})
+}
+
+// GetSender sends the Get request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) GetSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client, req)
+}
+
+// GetResponder handles the response to the Get request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) GetResponder(resp *http.Response) (result Snapshot, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// GrantAccess grants access to a snapshot. This method may poll for
+// completion. Polling can be canceled by passing the cancel channel argument.
+// The channel will be used to cancel polling and any outstanding HTTP
+// requests.
+//
+// resourceGroupName is the name of the resource group. snapshotName is the
+// name of the snapshot within the given subscription and resource group.
+// grantAccessData is access data object supplied in the body of the get
+// snapshot access operation.
+func (client SnapshotsClient) GrantAccess(resourceGroupName string, snapshotName string, grantAccessData GrantAccessData, cancel <-chan struct{}) (<-chan AccessURI, <-chan error) {
+	resultChan := make(chan AccessURI, 1)
+	errChan := make(chan error, 1)
+	if err := validation.Validate([]validation.Validation{
+		{TargetValue: grantAccessData,
+			Constraints: []validation.Constraint{{Target: "grantAccessData.DurationInSeconds", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
+		errChan <- validation.NewErrorWithValidationError(err, "disk.SnapshotsClient", "GrantAccess")
+		close(errChan)
+		close(resultChan)
+		return resultChan, errChan
+	}
+
+	go func() {
+		var err error
+		var result AccessURI
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.GrantAccessPreparer(resourceGroupName, snapshotName, grantAccessData, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "GrantAccess", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.GrantAccessSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "GrantAccess", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.GrantAccessResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "GrantAccess", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// GrantAccessPreparer prepares the GrantAccess request.
+func (client SnapshotsClient) GrantAccessPreparer(resourceGroupName string, snapshotName string, grantAccessData GrantAccessData, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"snapshotName":      autorest.Encode("path", snapshotName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsJSON(),
+		autorest.AsPost(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots/{snapshotName}/beginGetAccess", pathParameters),
+		autorest.WithJSON(grantAccessData),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// GrantAccessSender sends the GrantAccess request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) GrantAccessSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// GrantAccessResponder handles the response to the GrantAccess request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) GrantAccessResponder(resp *http.Response) (result AccessURI, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// List lists snapshots under a subscription.
+func (client SnapshotsClient) List() (result SnapshotList, err error) {
+	req, err := client.ListPreparer()
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "List", nil, "Failure preparing request")
+		return
+	}
+
+	resp, err := client.ListSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "List", resp, "Failure sending request")
+		return
+	}
+
+	result, err = client.ListResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "List", resp, "Failure responding to request")
+	}
+
+	return
+}
+
+// ListPreparer prepares the List request.
+func (client SnapshotsClient) ListPreparer() (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsGet(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.Compute/snapshots", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{})
+}
+
+// ListSender sends the List request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) ListSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client, req)
+}
+
+// ListResponder handles the response to the List request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) ListResponder(resp *http.Response) (result SnapshotList, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// ListNextResults retrieves the next set of results, if any.
+func (client SnapshotsClient) ListNextResults(lastResults SnapshotList) (result SnapshotList, err error) {
+	req, err := lastResults.SnapshotListPreparer()
+	if err != nil {
+		return result, autorest.NewErrorWithError(err, "disk.SnapshotsClient", "List", nil, "Failure preparing next results request")
+	}
+	if req == nil {
+		return
+	}
+
+	resp, err := client.ListSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		return result, autorest.NewErrorWithError(err, "disk.SnapshotsClient", "List", resp, "Failure sending next results request")
+	}
+
+	result, err = client.ListResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "List", resp, "Failure responding to next results request")
+	}
+
+	return
+}
+
+// ListByResourceGroup lists snapshots under a resource group.
+//
+// resourceGroupName is the name of the resource group.
+func (client SnapshotsClient) ListByResourceGroup(resourceGroupName string) (result SnapshotList, err error) {
+	req, err := client.ListByResourceGroupPreparer(resourceGroupName)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "ListByResourceGroup", nil, "Failure preparing request")
+		return
+	}
+
+	resp, err := client.ListByResourceGroupSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "ListByResourceGroup", resp, "Failure sending request")
+		return
+	}
+
+	result, err = client.ListByResourceGroupResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "ListByResourceGroup", resp, "Failure responding to request")
+	}
+
+	return
+}
+
+// ListByResourceGroupPreparer prepares the ListByResourceGroup request.
+func (client SnapshotsClient) ListByResourceGroupPreparer(resourceGroupName string) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsGet(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{})
+}
+
+// ListByResourceGroupSender sends the ListByResourceGroup request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) ListByResourceGroupSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client, req)
+}
+
+// ListByResourceGroupResponder handles the response to the ListByResourceGroup request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) ListByResourceGroupResponder(resp *http.Response) (result SnapshotList, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// ListByResourceGroupNextResults retrieves the next set of results, if any.
+func (client SnapshotsClient) ListByResourceGroupNextResults(lastResults SnapshotList) (result SnapshotList, err error) {
+	req, err := lastResults.SnapshotListPreparer()
+	if err != nil {
+		return result, autorest.NewErrorWithError(err, "disk.SnapshotsClient", "ListByResourceGroup", nil, "Failure preparing next results request")
+	}
+	if req == nil {
+		return
+	}
+
+	resp, err := client.ListByResourceGroupSender(req)
+	if err != nil {
+		result.Response = autorest.Response{Response: resp}
+		return result, autorest.NewErrorWithError(err, "disk.SnapshotsClient", "ListByResourceGroup", resp, "Failure sending next results request")
+	}
+
+	result, err = client.ListByResourceGroupResponder(resp)
+	if err != nil {
+		err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "ListByResourceGroup", resp, "Failure responding to next results request")
+	}
+
+	return
+}
+
+// RevokeAccess revokes access to a snapshot. This method may poll for
+// completion. Polling can be canceled by passing the cancel channel argument.
+// The channel will be used to cancel polling and any outstanding HTTP
+// requests.
+//
+// resourceGroupName is the name of the resource group. snapshotName is the
+// name of the snapshot within the given subscription and resource group.
+func (client SnapshotsClient) RevokeAccess(resourceGroupName string, snapshotName string, cancel <-chan struct{}) (<-chan OperationStatusResponse, <-chan error) {
+	resultChan := make(chan OperationStatusResponse, 1)
+	errChan := make(chan error, 1)
+	go func() {
+		var err error
+		var result OperationStatusResponse
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.RevokeAccessPreparer(resourceGroupName, snapshotName, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "RevokeAccess", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.RevokeAccessSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "RevokeAccess", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.RevokeAccessResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "RevokeAccess", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// RevokeAccessPreparer prepares the RevokeAccess request.
+func (client SnapshotsClient) RevokeAccessPreparer(resourceGroupName string, snapshotName string, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"snapshotName":      autorest.Encode("path", snapshotName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsPost(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots/{snapshotName}/endGetAccess", pathParameters),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// RevokeAccessSender sends the RevokeAccess request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) RevokeAccessSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// RevokeAccessResponder handles the response to the RevokeAccess request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) RevokeAccessResponder(resp *http.Response) (result OperationStatusResponse, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}
+
+// Update updates (patches) a snapshot. This method may poll for completion.
+// Polling can be canceled by passing the cancel channel argument. The channel
+// will be used to cancel polling and any outstanding HTTP requests.
+//
+// resourceGroupName is the name of the resource group. snapshotName is the
+// name of the snapshot within the given subscription and resource group.
+// snapshot is snapshot object supplied in the body of the Patch snapshot
+// operation.
+func (client SnapshotsClient) Update(resourceGroupName string, snapshotName string, snapshot SnapshotUpdate, cancel <-chan struct{}) (<-chan Snapshot, <-chan error) {
+	resultChan := make(chan Snapshot, 1)
+	errChan := make(chan error, 1)
+	go func() {
+		var err error
+		var result Snapshot
+		defer func() {
+			resultChan <- result
+			errChan <- err
+			close(resultChan)
+			close(errChan)
+		}()
+		req, err := client.UpdatePreparer(resourceGroupName, snapshotName, snapshot, cancel)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Update", nil, "Failure preparing request")
+			return
+		}
+
+		resp, err := client.UpdateSender(req)
+		if err != nil {
+			result.Response = autorest.Response{Response: resp}
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Update", resp, "Failure sending request")
+			return
+		}
+
+		result, err = client.UpdateResponder(resp)
+		if err != nil {
+			err = autorest.NewErrorWithError(err, "disk.SnapshotsClient", "Update", resp, "Failure responding to request")
+		}
+	}()
+	return resultChan, errChan
+}
+
+// UpdatePreparer prepares the Update request.
+func (client SnapshotsClient) UpdatePreparer(resourceGroupName string, snapshotName string, snapshot SnapshotUpdate, cancel <-chan struct{}) (*http.Request, error) {
+	pathParameters := map[string]interface{}{
+		"resourceGroupName": autorest.Encode("path", resourceGroupName),
+		"snapshotName":      autorest.Encode("path", snapshotName),
+		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
+	}
+
+	const APIVersion = "2016-04-30-preview"
+	queryParameters := map[string]interface{}{
+		"api-version": APIVersion,
+	}
+
+	preparer := autorest.CreatePreparer(
+		autorest.AsJSON(),
+		autorest.AsPatch(),
+		autorest.WithBaseURL(client.BaseURI),
+		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/snapshots/{snapshotName}", pathParameters),
+		autorest.WithJSON(snapshot),
+		autorest.WithQueryParameters(queryParameters))
+	return preparer.Prepare(&http.Request{Cancel: cancel})
+}
+
+// UpdateSender sends the Update request. The method will close the
+// http.Response Body if it receives an error.
+func (client SnapshotsClient) UpdateSender(req *http.Request) (*http.Response, error) {
+	return autorest.SendWithSender(client,
+		req,
+		azure.DoPollForAsynchronous(client.PollingDelay))
+}
+
+// UpdateResponder handles the response to the Update request. The method always
+// closes the http.Response Body.
+func (client SnapshotsClient) UpdateResponder(resp *http.Response) (result Snapshot, err error) {
+	err = autorest.Respond(
+		resp,
+		client.ByInspecting(),
+		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
+		autorest.ByUnmarshallingJSON(&result),
+		autorest.ByClosing())
+	result.Response = autorest.Response{Response: resp}
+	return
+}

vendor/github.com/Azure/azure-sdk-for-go/arm/disk/version.go

@@ -0,0 +1,29 @@
+package disk
+
+// Copyright (c) Microsoft and contributors.  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator 1.0.1.0
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+
+// UserAgent returns the UserAgent string to use when sending http.Requests.
+func UserAgent() string {
+	return "Azure-SDK-For-Go/v10.0.2-beta arm-disk/2016-04-30-preview"
+}
+
+// Version returns the semantic version (see http://semver.org) of the client.
+func Version() string {
+	return "v10.0.2-beta"
+}

vendor/vendor.json

@@ -17,6 +17,12 @@
 			"version": "v10.0.3-beta",
 			"versionExact": "v10.0.3-beta"
 		},
+		{
+			"checksumSHA1": "Kr6/gY3LrNiOxMfDBCfBvBvenYw=",
+			"path": "github.com/Azure/azure-sdk-for-go/arm/disk",
+			"revision": "26132835cbefa2669a306b777f34b929b56aa0a2",
+			"revisionTime": "2017-05-18T20:34:07Z"
+		},
 		{
 			"checksumSHA1": "HMu0WrEHVs+wqyjsTzXxRsEJimI=",
 			"comment": "v3.1.0-beta",

website/source/docs/builders/azure.html.md

@@ -47,7 +47,7 @@ builder.
 -   `location` (string) Azure datacenter in which your VM will build.
 
     CLI example `azure location list`
-    
+
 #### VHD or Managed Image
 
 The Azure builder can create either a VHD, or a managed image. If you
@@ -55,10 +55,10 @@ are creating a VHD, you **must** start with a VHD.  Likewise, if you
 want to create a managed image you **must** start with a managed
 image.  When creating a VHD the following two options are required.
 
--   `capture_container_name` (string) Destination container name. Essentially the "directory" where your VHD will be 
+-   `capture_container_name` (string) Destination container name. Essentially the "directory" where your VHD will be
     organized in Azure.  The captured VHD's URL will be `https://<storage_account>.blob.core.windows.net/system/Microsoft.Compute/Images/<capture_container_name>/<capture_name_prefix>.xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.vhd`.
-    
--   `capture_name_prefix` (string) VHD prefix. The final artifacts will be named `PREFIX-osDisk.UUID` and 
+
+-   `capture_name_prefix` (string) VHD prefix. The final artifacts will be named `PREFIX-osDisk.UUID` and
     `PREFIX-vmTemplate.UUID`.
 
 -   `resource_group_name` (string) Resource group under which the final artifact will be stored.
@@ -68,13 +68,13 @@ image.  When creating a VHD the following two options are required.
 When creating a managed image the following two options are required.
 
 -   `managed_image_name` (string) Specify the managed image name where the result of the Packer build will be saved. The
-     image name must not exist ahead of time, and will not be overwritten. If this value is set, the value 
-     `managed_image_resource_group_name` must also be set. See [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images) 
+     image name must not exist ahead of time, and will not be overwritten. If this value is set, the value
+     `managed_image_resource_group_name` must also be set. See [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images)
      to learn more about managed images.
-     
--   `managed_image_resource_group_name` (string) Specify the managed image resource group name where the result of the Packer build will be 
-     saved.  The resource group must already exist. If this value is set, the value `managed_image_name` must also be 
-     set. See [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images) to 
+
+-   `managed_image_resource_group_name` (string) Specify the managed image resource group name where the result of the Packer build will be
+     saved.  The resource group must already exist. If this value is set, the value `managed_image_name` must also be
+     set. See [documentation](https://docs.microsoft.com/en-us/azure/storage/storage-managed-disks-overview#images) to
      learn more about managed images.
 
 ### Optional:
@@ -83,12 +83,14 @@ When creating a managed image the following two options are required.
     characters, and tag values cannot exceed 256 characters. Tags are applied to every resource deployed by a Packer
     build, i.e. Resource Group, VM, NIC, VNET, Public IP, KeyVault, etc.
 
+-   `build_resource_group_name` (string) - Specify an existing resource group to run the build in. Cannot be used together with `temp_resource_group_name` and requires less permissions due to not creating or destroying a resource group.
+
 -   `cloud_environment_name` (string) One of `Public`, `China`, `Germany`, or
     `USGovernment`. Defaults to `Public`. Long forms such as
     `USGovernmentCloud` and `AzureUSGovernmentCloud` are also supported.
-    
+
 -   `custom_data_file` (string) Specify a file containing custom data to inject into the cloud-init process. The contents
-    of the file are read, base64 encoded, and injected into the ARM template. The custom data will be passed to 
+    of the file are read, base64 encoded, and injected into the ARM template. The custom data will be passed to
     cloud-init for processing at the time of provisioning. See [documentation](http://cloudinit.readthedocs.io/en/latest/topics/examples.html)
     to learn more about custom data, and how it can be used to influence the provisioning process.
 
@@ -110,11 +112,11 @@ When creating a managed image the following two options are required.
 
 -   `image_url` (string) Specify a custom VHD to use. If this value is set, do not set image\_publisher, image\_offer,
     image\_sku, or image\_version.
-    
+
 -   `managed_image_storage_account_type` (string) Specify the storage
     account type for a managed image.  Valid values are Standard_LRS
     and Premium\_LRS.  The default is Standard\_LRS.
-                
+
 -   `object_id` (string) Specify an OAuth Object ID to protect WinRM certificates
     created at runtime. This variable is required when creating images based on
     Windows; this variable is not used by non-Windows builds. See `Windows`
@@ -128,12 +130,13 @@ When creating a managed image the following two options are required.
     `Linux` this configures an SSH authorized key. For `Windows` this
     configures a WinRM certificate.
 
--   `temp_compute_name` (string) temporary name assigned to the VM.  If this value is not set, a random value will be 
-    assigned.  Knowing the resource group and VM name allows one to execute commands to update the VM during a Packer 
+-   `temp_compute_name` (string) temporary name assigned to the VM.  If this value is not set, a random value will be
+    assigned.  Knowing the resource group and VM name allows one to execute commands to update the VM during a Packer
     build, e.g. attach a resource disk to the VM.
 
--   `temp_resource_group_name` (string) temporary name assigned to the resource group.  If this value is not set, a random
-    value will be assigned.
+-   `temp_resource_group_name` (string) name assigned to the temporary resource group created during the build.  If this 
+    value is not set, a random value will be assigned. This resource group is deleted at the end of the build. Cannot be
+    used together with `build_resource_group_name`.
 
 -   `tenant_id` (string) The account identifier with which your `client_id` and `subscription_id` are associated. If not
     specified, `tenant_id` will be looked up using `subscription_id`.
@@ -270,6 +273,7 @@ The Azure builder attempts to pick default values that provide for a just works
 -   The default user name is packer not root as in other builders. Most distros on Azure do not allow root to SSH to a VM hence the need for a non-root default user. Set the ssh\_username option to override the default value.
 -   The default VM size is Standard\_A1. Set the vm\_size option to override the default value.
 -   The default image version is latest. Set the image\_version option to override the default value.
+-   By default a temporary resource group will be created and destroyed as part of the build. If you do not have permissions to do so, use `build_resource_group_name` to specify an existing resource group to run the build in.
 
 ## Implementation