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virtual_machine_data_disk_attachment_resource.go
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virtual_machine_data_disk_attachment_resource.go
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package compute
import (
"fmt"
"log"
"time"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2020-12-01/compute"
"github.com/kevinklinger/terraform-provider-azurerm/v2/helpers/azure"
"github.com/kevinklinger/terraform-provider-azurerm/v2/helpers/tf"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/clients"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/locks"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/services/compute/parse"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/tf/pluginsdk"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/tf/suppress"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/tf/validation"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/timeouts"
"github.com/kevinklinger/terraform-provider-azurerm/v2/utils"
)
func resourceVirtualMachineDataDiskAttachment() *pluginsdk.Resource {
return &pluginsdk.Resource{
Create: resourceVirtualMachineDataDiskAttachmentCreateUpdate,
Read: resourceVirtualMachineDataDiskAttachmentRead,
Update: resourceVirtualMachineDataDiskAttachmentCreateUpdate,
Delete: resourceVirtualMachineDataDiskAttachmentDelete,
Importer: pluginsdk.ImporterValidatingResourceId(func(id string) error {
_, err := parse.DataDiskID(id)
return err
}),
Timeouts: &pluginsdk.ResourceTimeout{
Create: pluginsdk.DefaultTimeout(30 * time.Minute),
Read: pluginsdk.DefaultTimeout(5 * time.Minute),
Update: pluginsdk.DefaultTimeout(30 * time.Minute),
Delete: pluginsdk.DefaultTimeout(30 * time.Minute),
},
Schema: map[string]*pluginsdk.Schema{
"managed_disk_id": {
Type: pluginsdk.TypeString,
Required: true,
ForceNew: true,
DiffSuppressFunc: suppress.CaseDifference,
ValidateFunc: azure.ValidateResourceID,
},
"virtual_machine_id": {
Type: pluginsdk.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: azure.ValidateResourceID,
},
"lun": {
Type: pluginsdk.TypeInt,
Required: true,
ForceNew: true,
ValidateFunc: validation.IntAtLeast(0),
},
"caching": {
Type: pluginsdk.TypeString,
Required: true,
ValidateFunc: validation.StringInSlice([]string{
string(compute.CachingTypesNone),
string(compute.CachingTypesReadOnly),
string(compute.CachingTypesReadWrite),
}, true),
DiffSuppressFunc: suppress.CaseDifference,
},
"create_option": {
Type: pluginsdk.TypeString,
Optional: true,
ForceNew: true,
Default: string(compute.DiskCreateOptionTypesAttach),
ValidateFunc: validation.StringInSlice([]string{
string(compute.DiskCreateOptionTypesAttach),
string(compute.DiskCreateOptionTypesEmpty),
}, true),
DiffSuppressFunc: suppress.CaseDifference,
},
"write_accelerator_enabled": {
Type: pluginsdk.TypeBool,
Optional: true,
Default: false,
},
},
}
}
func resourceVirtualMachineDataDiskAttachmentCreateUpdate(d *pluginsdk.ResourceData, meta interface{}) error {
client := meta.(*clients.Client).Compute.VMClient
ctx, cancel := timeouts.ForCreateUpdate(meta.(*clients.Client).StopContext, d)
defer cancel()
parsedVirtualMachineId, err := parse.VirtualMachineID(d.Get("virtual_machine_id").(string))
if err != nil {
return fmt.Errorf("parsing Virtual Machine ID %q: %+v", parsedVirtualMachineId.ID(), err)
}
locks.ByName(parsedVirtualMachineId.Name, virtualMachineResourceName)
defer locks.UnlockByName(parsedVirtualMachineId.Name, virtualMachineResourceName)
virtualMachine, err := client.Get(ctx, parsedVirtualMachineId.ResourceGroup, parsedVirtualMachineId.Name, "")
if err != nil {
if utils.ResponseWasNotFound(virtualMachine.Response) {
return fmt.Errorf("Virtual Machine %q was not found", parsedVirtualMachineId.String())
}
return fmt.Errorf("loading Virtual Machine %q : %+v", parsedVirtualMachineId.String(), err)
}
managedDiskId := d.Get("managed_disk_id").(string)
managedDisk, err := retrieveDataDiskAttachmentManagedDisk(d, meta, managedDiskId)
if err != nil {
return fmt.Errorf("retrieving Managed Disk %q: %+v", managedDiskId, err)
}
if managedDisk.Sku == nil {
return fmt.Errorf("Error: unable to determine Storage Account Type for Managed Disk %q: %+v", managedDiskId, err)
}
name := *managedDisk.Name
resourceId := fmt.Sprintf("%s/dataDisks/%s", parsedVirtualMachineId.ID(), name)
lun := int32(d.Get("lun").(int))
caching := d.Get("caching").(string)
createOption := compute.DiskCreateOptionTypes(d.Get("create_option").(string))
writeAcceleratorEnabled := d.Get("write_accelerator_enabled").(bool)
expandedDisk := compute.DataDisk{
Name: utils.String(name),
Caching: compute.CachingTypes(caching),
CreateOption: createOption,
Lun: utils.Int32(lun),
ManagedDisk: &compute.ManagedDiskParameters{
ID: utils.String(managedDiskId),
StorageAccountType: compute.StorageAccountTypes(string(managedDisk.Sku.Name)),
},
WriteAcceleratorEnabled: utils.Bool(writeAcceleratorEnabled),
}
disks := *virtualMachine.StorageProfile.DataDisks
existingIndex := -1
for i, disk := range disks {
if *disk.Name == name {
existingIndex = i
break
}
}
if d.IsNewResource() {
if existingIndex != -1 {
return tf.ImportAsExistsError("azurerm_virtual_machine_data_disk_attachment", resourceId)
}
disks = append(disks, expandedDisk)
} else {
if existingIndex == -1 {
return fmt.Errorf("Unable to find Disk %q attached to Virtual Machine %q ", name, parsedVirtualMachineId.String())
}
disks[existingIndex] = expandedDisk
}
virtualMachine.StorageProfile.DataDisks = &disks
// fixes #2485
virtualMachine.Identity = nil
// fixes #1600
virtualMachine.Resources = nil
// if there's too many disks we get a 409 back with:
// `The maximum number of data disks allowed to be attached to a VM of this size is 1.`
// which we're intentionally not wrapping, since the errors good.
future, err := client.CreateOrUpdate(ctx, parsedVirtualMachineId.ResourceGroup, parsedVirtualMachineId.Name, virtualMachine)
if err != nil {
return fmt.Errorf("updating Virtual Machine %q with Disk %q: %+v", parsedVirtualMachineId.String(), name, err)
}
if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
return fmt.Errorf("waiting for Virtual Machine %q to finish updating Disk %q: %+v", parsedVirtualMachineId.String(), name, err)
}
d.SetId(resourceId)
return resourceVirtualMachineDataDiskAttachmentRead(d, meta)
}
func resourceVirtualMachineDataDiskAttachmentRead(d *pluginsdk.ResourceData, meta interface{}) error {
client := meta.(*clients.Client).Compute.VMClient
ctx, cancel := timeouts.ForRead(meta.(*clients.Client).StopContext, d)
defer cancel()
id, err := parse.DataDiskID(d.Id())
if err != nil {
return err
}
virtualMachine, err := client.Get(ctx, id.ResourceGroup, id.VirtualMachineName, "")
if err != nil {
if utils.ResponseWasNotFound(virtualMachine.Response) {
log.Printf("[DEBUG] Virtual Machine %q was not found (Resource Group %q) therefore Data Disk Attachment cannot exist - removing from state", id.VirtualMachineName, id.ResourceGroup)
d.SetId("")
return nil
}
return fmt.Errorf("loading Virtual Machine %q : %+v", id.String(), err)
}
var disk *compute.DataDisk
if profile := virtualMachine.StorageProfile; profile != nil {
if dataDisks := profile.DataDisks; dataDisks != nil {
for _, dataDisk := range *dataDisks {
// since this field isn't (and shouldn't be) case-sensitive; we're deliberately not using `strings.EqualFold`
if *dataDisk.Name == id.Name {
disk = &dataDisk
break
}
}
}
}
if disk == nil {
log.Printf("[DEBUG] Data Disk %q was not found on Virtual Machine %q - removing from state", id.Name, id.String())
d.SetId("")
return nil
}
d.Set("virtual_machine_id", virtualMachine.ID)
d.Set("caching", string(disk.Caching))
d.Set("create_option", string(disk.CreateOption))
d.Set("write_accelerator_enabled", disk.WriteAcceleratorEnabled)
if managedDisk := disk.ManagedDisk; managedDisk != nil {
d.Set("managed_disk_id", managedDisk.ID)
}
if lun := disk.Lun; lun != nil {
d.Set("lun", int(*lun))
}
return nil
}
func resourceVirtualMachineDataDiskAttachmentDelete(d *pluginsdk.ResourceData, meta interface{}) error {
client := meta.(*clients.Client).Compute.VMClient
ctx, cancel := timeouts.ForDelete(meta.(*clients.Client).StopContext, d)
defer cancel()
id, err := parse.DataDiskID(d.Id())
if err != nil {
return err
}
locks.ByName(id.VirtualMachineName, virtualMachineResourceName)
defer locks.UnlockByName(id.VirtualMachineName, virtualMachineResourceName)
virtualMachine, err := client.Get(ctx, id.ResourceGroup, id.VirtualMachineName, "")
if err != nil {
if utils.ResponseWasNotFound(virtualMachine.Response) {
return fmt.Errorf("Virtual Machine %q was not found", id.String())
}
return fmt.Errorf("loading Virtual Machine %q : %+v", id.String(), err)
}
dataDisks := make([]compute.DataDisk, 0)
for _, dataDisk := range *virtualMachine.StorageProfile.DataDisks {
// since this field isn't (and shouldn't be) case-sensitive; we're deliberately not using `strings.EqualFold`
if *dataDisk.Name != id.Name {
dataDisks = append(dataDisks, dataDisk)
}
}
virtualMachine.StorageProfile.DataDisks = &dataDisks
// fixes #2485
virtualMachine.Identity = nil
// fixes #1600
virtualMachine.Resources = nil
future, err := client.CreateOrUpdate(ctx, id.ResourceGroup, id.VirtualMachineName, virtualMachine)
if err != nil {
return fmt.Errorf("removing Disk %q from Virtual Machine %q : %+v", id.Name, id.String(), err)
}
if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
return fmt.Errorf("waiting for Disk %q to be removed from Virtual Machine %q : %+v", id.Name, id.String(), err)
}
return nil
}
func retrieveDataDiskAttachmentManagedDisk(d *pluginsdk.ResourceData, meta interface{}, id string) (*compute.Disk, error) {
client := meta.(*clients.Client).Compute.DisksClient
ctx, cancel := timeouts.ForRead(meta.(*clients.Client).StopContext, d)
defer cancel()
parsedId, err := parse.ManagedDiskID(id)
if err != nil {
return nil, fmt.Errorf("parsing Managed Disk ID %q: %+v", parsedId.String(), err)
}
resp, err := client.Get(ctx, parsedId.ResourceGroup, parsedId.DiskName)
if err != nil {
if utils.ResponseWasNotFound(resp.Response) {
return nil, fmt.Errorf("Managed Disk %q was not found!", parsedId.String())
}
return nil, fmt.Errorf("making Read request on Azure Managed Disk %q : %+v", parsedId.String(), err)
}
return &resp, nil
}