Added ovirt_disk_resize_all resource

docs/resources/vm_disks_resize.md

@@ -0,0 +1,30 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "ovirt_vm_disks_resize Resource - terraform-provider-ovirt"
+subcategory: ""
+description: |-
+  The ovirtvmdisks_resize resource resizes all disks in an oVirt VM to the specified size.
+  ~> Only use this resource with disks created from templates. Otherwise, two terraform resources will handle the same disk resource.
+---
+
+# ovirt_vm_disks_resize (Resource)
+
+The ovirt_vm_disks_resize resource resizes all disks in an oVirt VM to the specified size. 
+
+~> Only use this resource with disks created from templates. Otherwise, two terraform resources will handle the same disk resource.
+
+
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `size` (Number) Disk size in bytes to set all disks to.
+- `vm_id` (String) Resize all disks in this VM to the specified size.
+
+### Read-Only
+
+- `id` (String) The ID of this resource.
+
+

internal/ovirt/provider.go

@@ -124,6 +124,7 @@ func (p *provider) getProvider() *schema.Provider {
 			"ovirt_vm_optimize_cpu_settings": p.vmOptimizeCPUSettingsResource(),
 			"ovirt_disk":                     p.diskResource(),
 			"ovirt_disk_resize":              p.diskResizeResource(),
+			"ovirt_vm_disks_resize":          p.vmDisksResizeResource(),
 			"ovirt_disk_from_image":          p.diskFromImageResource(),
 			"ovirt_disk_attachment":          p.diskAttachmentResource(),
 			"ovirt_disk_attachments":         p.diskAttachmentsResource(),

internal/ovirt/resource_ovirt_vm_disks_resize.go

@@ -0,0 +1,138 @@
+package ovirt
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	ovirtclient "github.com/ovirt/go-ovirt-client"
+)
+
+var vmDisksResizeSchema = map[string]*schema.Schema{
+	"vm_id": {
+		Type:             schema.TypeString,
+		Required:         true,
+		ForceNew:         true,
+		Description:      "Resize all disks in this VM to the specified size.",
+		ValidateDiagFunc: validateUUID,
+	},
+	"size": {
+		Type:             schema.TypeInt,
+		Required:         true,
+		ForceNew:         true,
+		Description:      "Disk size in bytes to set all disks to.",
+		ValidateDiagFunc: validateDiskSize,
+	},
+}
+
+func (p *provider) vmDisksResizeResource() *schema.Resource {
+	return &schema.Resource{
+		CreateContext: p.vmDisksResizeCreate,
+		ReadContext:   p.vmDisksResizeRead,
+		DeleteContext: p.vmDisksResizeDelete,
+		Schema:        vmDisksResizeSchema,
+		Description: `The ovirt_vm_disks_resize resource resizes all disks in an oVirt VM to the specified size. 
+		
+~> Only use this resource with disks created from templates. Otherwise, two terraform resources will handle the same disk resource.  
+		`,
+	}
+}
+
+func (p *provider) vmDisksResizeCreate(
+	ctx context.Context,
+	data *schema.ResourceData,
+	_ interface{},
+) diag.Diagnostics {
+	client := p.client.WithContext(ctx)
+	return resizeAllDisks(client, data)
+}
+
+func (p *provider) vmDisksResizeRead(ctx context.Context, data *schema.ResourceData, _ interface{}) diag.Diagnostics {
+	client := p.client.WithContext(ctx)
+
+	desiredSize := uint64(data.Get("size").(int))
+	size := desiredSize
+
+	vmID := ovirtclient.VMID(data.Get("vm_id").(string))
+
+	diskAttachments, err := client.ListDiskAttachments(vmID)
+	if err != nil {
+		return errorToDiags(fmt.Sprintf("list disk attachments of VM %s", vmID), err)
+	}
+	for _, diskAttachment := range diskAttachments {
+		disk, err := diskAttachment.Disk()
+		if err != nil {
+			return errorToDiags(fmt.Sprintf("get disk %s", diskAttachment.DiskID()), err)
+		}
+		if disk.ProvisionedSize() != desiredSize {
+			// Set the reported size to the size differing so the resource can be refreshed and the disks resized.
+			size = disk.ProvisionedSize()
+		}
+	}
+
+	data.SetId(string(vmID))
+	diags := diag.Diagnostics{}
+	diags = setResourceField(data, "size", size, diags)
+
+	return diags
+}
+
+func (p *provider) vmDisksResizeDelete(_ context.Context, data *schema.ResourceData, _ interface{}) diag.Diagnostics {
+	data.SetId("")
+	return nil
+}
+
+func resizeAllDisks(client ovirtclient.Client, data *schema.ResourceData) diag.Diagnostics {
+	vmID := ovirtclient.VMID(data.Get("vm_id").(string))
+	desiredSize := uint64(data.Get("size").(int))
+
+	diskAttachments, err := client.ListDiskAttachments(vmID)
+	if err != nil {
+		return errorToDiags(fmt.Sprintf("list disk attachments of VM %s", vmID), err)
+	}
+	var diags diag.Diagnostics
+	for _, diskAttachment := range diskAttachments {
+		disk, err := diskAttachment.Disk()
+		if err != nil {
+			return errorToDiags(fmt.Sprintf("get disk %s", diskAttachment.DiskID()), err)
+		}
+		if disk.ProvisionedSize() == desiredSize {
+			continue
+		}
+		params := ovirtclient.UpdateDiskParams()
+		if _, err := params.WithProvisionedSize(desiredSize); err != nil {
+			diags = append(
+				diags,
+				diag.Diagnostic{
+					Severity: diag.Error,
+					Summary:  fmt.Sprintf("Failed to set parameters for updating disk %s size.", disk.ID()),
+					Detail:   err.Error(),
+				},
+			)
+			continue
+		}
+		updateFailedDiag := diag.Diagnostic{
+			Severity: diag.Error,
+			Summary:  fmt.Sprintf("Failed to update disk %s size.", disk.ID()),
+		}
+		diskUpdate, err := client.StartUpdateDisk(disk.ID(), params)
+		if err != nil {
+			updateFailedDiag.Detail = err.Error()
+			diags = append(diags, updateFailedDiag)
+			continue
+		}
+		_, err = diskUpdate.Wait()
+		if err != nil {
+			updateFailedDiag.Detail = err.Error()
+			diags = append(diags, updateFailedDiag)
+			continue
+		}
+	}
+
+	data.SetId(string(vmID))
+	if !diags.HasError() {
+		diags = setResourceField(data, "size", desiredSize, diags)
+	}
+	return diags
+}

internal/ovirt/resource_ovirt_vm_disks_resize_test.go

@@ -0,0 +1,128 @@
+package ovirt
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
+	ovirtclient "github.com/ovirt/go-ovirt-client"
+)
+
+func TestVMDisksResize(t *testing.T) {
+	t.Parallel()
+
+	testData := []struct {
+		name             string
+		diskCount        int
+		startingDiskSize uint64
+		desiredDiskSize  uint64
+	}{
+		{
+			"empty",
+			0,
+			uint64(1024 * 1024),
+			2 * uint64(1024*1024),
+		},
+		{
+			"single",
+			1,
+			uint64(1024 * 1024),
+			2 * uint64(1024*1024),
+		},
+		{
+			"double",
+			2,
+			uint64(1024 * 1024),
+			2 * uint64(1024*1024),
+		},
+	}
+
+	for _, testCase := range testData {
+		t.Run(
+			testCase.name, func(t *testing.T) {
+				p := newProvider(newTestLogger(t))
+
+				helper := p.getTestHelper()
+				client := helper.GetClient().WithContext(context.Background())
+				vm, err := client.CreateVM(
+					helper.GetClusterID(),
+					helper.GetBlankTemplateID(),
+					helper.GenerateTestResourceName(t),
+					nil,
+				)
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				startingDiskSize := testCase.startingDiskSize
+				desiredDiskSize := testCase.desiredDiskSize
+
+				disks := make([]ovirtclient.Disk, testCase.diskCount)
+
+				for i := 0; i < testCase.diskCount; i++ {
+					disk, err := client.CreateDisk(
+						helper.GetStorageDomainID(),
+						ovirtclient.ImageFormatRaw,
+						startingDiskSize,
+						nil,
+					)
+					if err != nil {
+						t.Fatal(err)
+					}
+
+					_, err = client.CreateDiskAttachment(vm.ID(), disk.ID(), ovirtclient.DiskInterfaceVirtIO, nil)
+					if err != nil {
+						t.Fatal(err)
+					}
+
+					disks[i] = disk
+				}
+
+				config := fmt.Sprintf(
+					`
+					provider "ovirt" {
+						mock = true
+					}
+					resource "ovirt_vm_disks_resize" "resized" {
+						vm_id = "%s"
+						size  = %d
+					}`,
+					vm.ID(),
+					desiredDiskSize,
+				)
+
+				resource.UnitTest(
+					t, resource.TestCase{
+						ProviderFactories: p.getProviderFactories(),
+						Steps: []resource.TestStep{
+							{
+								Config: config,
+								Check: func(state *terraform.State) error {
+									for _, disk := range disks {
+										disk, err := client.GetDisk(disk.ID())
+										if err != nil {
+											return err
+										}
+										if disk.ProvisionedSize() != desiredDiskSize {
+											return fmt.Errorf(
+												"incorrect disk size after apply: %d",
+												disk.ProvisionedSize(),
+											)
+										}
+									}
+									return nil
+								},
+							},
+							{
+								Config:  config,
+								Destroy: true,
+							},
+						},
+					},
+				)
+			},
+		)
+	}
+}