orchestrated_virtual_machine_scale_set_resource.go

package compute

import (
	"fmt"
	"log"
	"time"

	"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2019-12-01/compute"
	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
	"github.com/hashicorp/terraform-plugin-sdk/helper/validation"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/azure"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/tf"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/clients"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/location"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/services/compute/parse"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/tags"
	azSchema "github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/tf/schema"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/timeouts"
	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
)

func resourceArmOrchestratedVirtualMachineScaleSet() *schema.Resource {
	return &schema.Resource{
		Create: resourceArmOrchestratedVirtualMachineScaleSetCreateUpdate,
		Read:   resourceArmOrchestratedVirtualMachineScaleSetRead,
		Update: resourceArmOrchestratedVirtualMachineScaleSetCreateUpdate,
		Delete: resourceArmOrchestratedVirtualMachineScaleSetDelete,

		Importer: azSchema.ValidateResourceIDPriorToImportThen(func(id string) error {
			_, err := parse.VirtualMachineScaleSetID(id)
			return err
		}, importOrchestratedVirtualMachineScaleSet),

		Timeouts: &schema.ResourceTimeout{
			Create: schema.DefaultTimeout(30 * time.Minute),
			Read:   schema.DefaultTimeout(5 * time.Minute),
			Update: schema.DefaultTimeout(30 * time.Minute),
			Delete: schema.DefaultTimeout(30 * time.Minute),
		},

		Schema: map[string]*schema.Schema{
			"name": {
				Type:         schema.TypeString,
				Required:     true,
				ForceNew:     true,
				ValidateFunc: ValidateOrchestratedVMSSName,
			},

			"resource_group_name": azure.SchemaResourceGroupName(),

			"location": azure.SchemaLocation(),

			"platform_fault_domain_count": {
				Type:     schema.TypeInt,
				Required: true,
				ForceNew: true,
				// The range of this value varies in different locations
				ValidateFunc: validation.IntBetween(0, 5),
			},

			"single_placement_group": {
				Type:     schema.TypeBool,
				Required: true,
				ForceNew: true,
			},

			// the VMO mode can only be deployed into one zone for now, and its zone will also be assigned to all its VM instances
			"zones": azure.SchemaSingleZone(),

			"unique_id": {
				Type:     schema.TypeString,
				Computed: true,
			},

			"tags": tags.Schema(),
		},
	}
}

func resourceArmOrchestratedVirtualMachineScaleSetCreateUpdate(d *schema.ResourceData, meta interface{}) error {
	client := meta.(*clients.Client).Compute.VMScaleSetClient
	ctx, cancel := timeouts.ForCreateUpdate(meta.(*clients.Client).StopContext, d)
	defer cancel()

	resourceGroup := d.Get("resource_group_name").(string)
	name := d.Get("name").(string)

	if d.IsNewResource() {
		existing, err := client.Get(ctx, resourceGroup, name)
		if err != nil {
			if !utils.ResponseWasNotFound(existing.Response) {
				return fmt.Errorf("checking for existing Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", name, resourceGroup, err)
			}
		}

		if existing.ID != nil && *existing.ID != "" {
			return tf.ImportAsExistsError("azurerm_orchestrated_virtual_machine_scale_set", *existing.ID)
		}
	}

	props := compute.VirtualMachineScaleSet{
		Location: utils.String(location.Normalize(d.Get("location").(string))),
		Tags:     tags.Expand(d.Get("tags").(map[string]interface{})),
		VirtualMachineScaleSetProperties: &compute.VirtualMachineScaleSetProperties{
			PlatformFaultDomainCount: utils.Int32(int32(d.Get("platform_fault_domain_count").(int))),
			SinglePlacementGroup:     utils.Bool(d.Get("single_placement_group").(bool)),
		},
		Zones: azure.ExpandZones(d.Get("zones").([]interface{})),
	}

	future, err := client.CreateOrUpdate(ctx, resourceGroup, name, props)
	if err != nil {
		return fmt.Errorf("creating Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", name, resourceGroup, err)
	}

	if err := future.WaitForCompletionRef(ctx, client.Client); err != nil {
		return fmt.Errorf("waiting for creation of Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", name, resourceGroup, err)
	}

	resp, err := client.Get(ctx, resourceGroup, name)
	if err != nil {
		return fmt.Errorf("retrieving Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", name, resourceGroup, err)
	}

	if resp.ID == nil || *resp.ID == "" {
		return fmt.Errorf("retrieving Orchestrated Virtual Machine Scale Set %q (Resource Group %q): ID was empty", name, resourceGroup)
	}
	d.SetId(*resp.ID)

	return resourceArmOrchestratedVirtualMachineScaleSetRead(d, meta)
}

func resourceArmOrchestratedVirtualMachineScaleSetRead(d *schema.ResourceData, meta interface{}) error {
	client := meta.(*clients.Client).Compute.VMScaleSetClient
	ctx, cancel := timeouts.ForRead(meta.(*clients.Client).StopContext, d)
	defer cancel()

	id, err := parse.VirtualMachineScaleSetID(d.Id())
	if err != nil {
		return err
	}

	resp, err := client.Get(ctx, id.ResourceGroup, id.Name)
	if err != nil {
		if utils.ResponseWasNotFound(resp.Response) {
			log.Printf("[DEBUG] Orchestrated Virtual Machine Scale Set %q was not found in Resource Group %q - removing from state!", id.Name, id.ResourceGroup)
			d.SetId("")
			return nil
		}

		return fmt.Errorf("retrieving Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", id.Name, id.ResourceGroup, err)
	}

	d.Set("name", id.Name)
	d.Set("resource_group_name", id.ResourceGroup)
	d.Set("location", location.NormalizeNilable(resp.Location))

	if props := resp.VirtualMachineScaleSetProperties; props != nil {
		d.Set("platform_fault_domain_count", props.PlatformFaultDomainCount)
		d.Set("single_placement_group", props.SinglePlacementGroup)
		d.Set("unique_id", props.UniqueID)
	}

	if err := d.Set("zones", resp.Zones); err != nil {
		return fmt.Errorf("setting `zones`: %+v", err)
	}

	return tags.FlattenAndSet(d, resp.Tags)
}

func resourceArmOrchestratedVirtualMachineScaleSetDelete(d *schema.ResourceData, meta interface{}) error {
	client := meta.(*clients.Client).Compute.VMScaleSetClient
	ctx, cancel := timeouts.ForDelete(meta.(*clients.Client).StopContext, d)
	defer cancel()

	id, err := parse.VirtualMachineScaleSetID(d.Id())
	if err != nil {
		return err
	}

	future, err := client.Delete(ctx, id.ResourceGroup, id.Name)
	if err != nil {
		return fmt.Errorf("deleting Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", id.Name, id.ResourceGroup, err)
	}

	if err := future.WaitForCompletionRef(ctx, client.Client); err != nil {
		return fmt.Errorf("waiting for deletion of Orchestrated Virtual Machine Scale Set %q (Resource Group %q): %+v", id.Name, id.ResourceGroup, err)
	}

	return nil
}