First Draft of new resource azurerm_virtual_desktop_scaling_plan_host…

…_pool_association

internal/services/desktopvirtualization/parse/scaling_plan_host_pool_association.go

@@ -0,0 +1,84 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+package parse
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/hashicorp/go-azure-helpers/resourcemanager/resourceids"
+	"github.com/hashicorp/go-azure-sdk/resource-manager/desktopvirtualization/2022-02-10-preview/scalingplan"
+)
+
+var _ resourceids.Id = ScalingPlanHostPoolAssociationId{}
+
+type ScalingPlanHostPoolAssociationId struct {
+	ScalingPlan scalingplan.ScalingPlanId
+	HostPool    scalingplan.HostPoolId
+}
+
+func (id ScalingPlanHostPoolAssociationId) String() string {
+	components := []string{
+		fmt.Sprintf("Scaling Plan %s", id.ScalingPlan.String()),
+		fmt.Sprintf("Host Pool %s", id.HostPool.String()),
+	}
+	return fmt.Sprintf("Scaling Plan Host Pool Association %s", strings.Join(components, " / "))
+}
+
+func (id ScalingPlanHostPoolAssociationId) ID() string {
+	scalingplanId := id.ScalingPlan.ID()
+	hostPoolId := id.HostPool.ID()
+	return fmt.Sprintf("%s|%s", scalingplanId, hostPoolId)
+}
+
+func NewScalingPlanHostPoolAssociationId(scalingplan scalingplan.ScalingPlanId, hostPool scalingplan.HostPoolId) ScalingPlanHostPoolAssociationId {
+	return ScalingPlanHostPoolAssociationId{
+		ScalingPlan: scalingplan,
+		HostPool:    hostPool,
+	}
+}
+
+func ScalingPlanHostPoolAssociationID(input string) (*ScalingPlanHostPoolAssociationId, error) {
+	segments := strings.Split(input, "|")
+	if len(segments) != 2 {
+		return nil, fmt.Errorf("expected an ID in the format {scalingplanID}|{hostPoolID} but got %q", input)
+	}
+
+	scalingplanId, err := scalingplan.ParseScalingPlanID(segments[0])
+	if err != nil {
+		return nil, fmt.Errorf("parsing Scaling Plan ID for Scaling Plan/Host Pool Association %q: %+v", segments[0], err)
+	}
+
+	hostPoolId, err := scalingplan.ParseHostPoolID(segments[1])
+	if err != nil {
+		return nil, fmt.Errorf("parsing Host Pool ID for Scaling Plan/Host Pool Association %q: %+v", segments[1], err)
+	}
+
+	return &ScalingPlanHostPoolAssociationId{
+		ScalingPlan: *scalingplanId,
+		HostPool:    *hostPoolId,
+	}, nil
+}
+
+func ScalingPlanHostPoolAssociationIDInsensitively(input string) (*ScalingPlanHostPoolAssociationId, error) {
+	segments := strings.Split(input, "|")
+	if len(segments) != 2 {
+		return nil, fmt.Errorf("expected an ID in the format {scalingplanID}|{hostPoolID} but got %q", input)
+	}
+
+	scalingplanId, err := scalingplan.ParseScalingPlanIDInsensitively(segments[0])
+	if err != nil {
+		return nil, fmt.Errorf("parsing Scaling Plan ID for Scaling Plan/Host Pool Association %q: %+v", segments[0], err)
+	}
+
+	hostPoolId, err := scalingplan.ParseHostPoolIDInsensitively(segments[1])
+	if err != nil {
+		return nil, fmt.Errorf("parsing Host Pool ID for Scaling Plan/Host Pool Association %q: %+v", segments[1], err)
+	}
+
+	return &ScalingPlanHostPoolAssociationId{
+		ScalingPlan: *scalingplanId,
+		HostPool:    *hostPoolId,
+	}, nil
+}

internal/services/desktopvirtualization/registration.go

@@ -43,6 +43,7 @@ func (r Registration) SupportedResources() map[string]*pluginsdk.Resource {
 		"azurerm_virtual_desktop_application_group":                       resourceVirtualDesktopApplicationGroup(),
 		"azurerm_virtual_desktop_application":                             resourceVirtualDesktopApplication(),
 		"azurerm_virtual_desktop_workspace_application_group_association": resourceVirtualDesktopWorkspaceApplicationGroupAssociation(),
+		"azurerm_virtual_desktop_scaling_plan_host_pool_association":      resourceVirtualDesktopScalingPlanHostPoolAssociation(),
 		"azurerm_virtual_desktop_host_pool_registration_info":             resourceVirtualDesktopHostPoolRegistrationInfo(),
 	}
 }

internal/services/desktopvirtualization/virtual_desktop_scaling_plan_host_pool_association_resource.go

@@ -0,0 +1,304 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+package desktopvirtualization
+
+import (
+	"fmt"
+	"log"
+	"strings"
+	"time"
+
+	"github.com/hashicorp/go-azure-helpers/lang/response"
+	"github.com/hashicorp/go-azure-sdk/resource-manager/desktopvirtualization/2022-02-10-preview/scalingplan"
+	"github.com/hashicorp/terraform-provider-azurerm/helpers/tf"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/clients"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/locks"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/services/desktopvirtualization/parse"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/tf/pluginsdk"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/timeouts"
+	"github.com/hashicorp/terraform-provider-azurerm/utils"
+)
+
+func resourceVirtualDesktopScalingPlanHostPoolAssociation() *pluginsdk.Resource {
+	return &pluginsdk.Resource{
+		Create: resourceVirtualDesktopScalingPlanHostPoolAssociationCreate,
+		Read:   resourceVirtualDesktopScalingPlanHostPoolAssociationRead,
+		Update: resourceVirtualDesktopScalingPlanHostPoolAssociationUpdate,
+		Delete: resourceVirtualDesktopScalingPlanHostPoolAssociationDelete,
+
+		Timeouts: &pluginsdk.ResourceTimeout{
+			Create: pluginsdk.DefaultTimeout(60 * time.Minute),
+			Read:   pluginsdk.DefaultTimeout(5 * time.Minute),
+			Delete: pluginsdk.DefaultTimeout(60 * time.Minute),
+		},
+
+		Importer: pluginsdk.ImporterValidatingResourceId(func(id string) error {
+			_, err := parse.ScalingPlanHostPoolAssociationID(id)
+			return err
+		}),
+
+		Schema: map[string]*pluginsdk.Schema{
+			"scaling_plan_id": {
+				Type:         pluginsdk.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: scalingplan.ValidateScalingPlanID,
+			},
+
+			"host_pool_id": {
+				Type:         pluginsdk.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: scalingplan.ValidateHostPoolID,
+			},
+
+			"enabled": {
+				Type:     pluginsdk.TypeBool,
+				Required: true,
+			},
+		},
+	}
+}
+
+func resourceVirtualDesktopScalingPlanHostPoolAssociationCreate(d *pluginsdk.ResourceData, meta interface{}) error {
+	client := meta.(*clients.Client).DesktopVirtualization.ScalingPlansClient
+	ctx, cancel := timeouts.ForCreate(meta.(*clients.Client).StopContext, d)
+	defer cancel()
+
+	log.Printf("[INFO] preparing arguments for Virtual Desktop Scaling Plan <-> Host Pool Association creation.")
+	scalingPlanId, err := scalingplan.ParseScalingPlanID(d.Get("scaling_plan_id").(string))
+	if err != nil {
+		return err
+	}
+	hostPoolId, err := scalingplan.ParseHostPoolID(d.Get("host_pool_id").(string))
+	if err != nil {
+		return err
+	}
+	associationId := parse.NewScalingPlanHostPoolAssociationId(*scalingPlanId, *hostPoolId).ID()
+
+	locks.ByName(scalingPlanId.ScalingPlanName, scalingPlanResourceType)
+	defer locks.UnlockByName(scalingPlanId.ScalingPlanName, scalingPlanResourceType)
+
+	locks.ByName(hostPoolId.HostPoolName, hostPoolResourceType)
+	defer locks.UnlockByName(hostPoolId.HostPoolName, hostPoolResourceType)
+
+	existing, err := client.Get(ctx, *scalingPlanId)
+	if err != nil {
+		if response.WasNotFound(existing.HttpResponse) {
+			return fmt.Errorf("%s was not found", *scalingPlanId)
+		}
+
+		return fmt.Errorf("retrieving %s: %+v", *scalingPlanId, err)
+	}
+	if existing.Model == nil {
+		return fmt.Errorf("retrieving %s: model was nil", *scalingPlanId)
+	}
+	model := *existing.Model
+
+	hostPoolAssociations := []scalingplan.ScalingHostPoolReference{}
+	if props := model.Properties; props != nil && props.HostPoolReferences != nil {
+		hostPoolAssociations = *props.HostPoolReferences
+	}
+
+	hostPoolStr := hostPoolId.ID()
+	if scalingPlanHostPoolAssociationExists(model.Properties, hostPoolStr) {
+		return tf.ImportAsExistsError("azurerm_virtual_desktop_workspace_application_group_association", associationId)
+	}
+	hostPoolAssociations = append(hostPoolAssociations, scalingplan.ScalingHostPoolReference{
+		HostPoolArmPath:    &hostPoolStr,
+		ScalingPlanEnabled: utils.Bool(d.Get("enabled").(bool)),
+	})
+
+	payload := scalingplan.ScalingPlanPatch{
+		Properties: &scalingplan.ScalingPlanPatchProperties{
+			HostPoolReferences: &hostPoolAssociations,
+		},
+		Tags: model.Tags,
+	}
+	if _, err = client.Update(ctx, *scalingPlanId, payload); err != nil {
+		return fmt.Errorf("creating association between %s and %s: %+v", *scalingPlanId, *hostPoolId, err)
+	}
+
+	d.SetId(associationId)
+	return resourceVirtualDesktopScalingPlanHostPoolAssociationRead(d, meta)
+}
+
+func resourceVirtualDesktopScalingPlanHostPoolAssociationRead(d *pluginsdk.ResourceData, meta interface{}) error {
+	client := meta.(*clients.Client).DesktopVirtualization.ScalingPlansClient
+
+	ctx, cancel := timeouts.ForRead(meta.(*clients.Client).StopContext, d)
+	defer cancel()
+
+	id, err := parse.ScalingPlanHostPoolAssociationID(d.Id())
+	if err != nil {
+		return err
+	}
+
+	scalingPlan, err := client.Get(ctx, id.ScalingPlan)
+	if err != nil {
+		if response.WasNotFound(scalingPlan.HttpResponse) {
+			log.Printf("[DEBUG] %s was not found - removing from state!", id.ScalingPlan)
+			d.SetId("")
+			return nil
+		}
+
+		return fmt.Errorf("retrieving %s: %+v", id.ScalingPlan, err)
+	}
+	if model := scalingPlan.Model; model != nil {
+		hostPoolId := id.HostPool.ID()
+		exists := scalingPlanHostPoolAssociationExists(model.Properties, hostPoolId)
+		if !exists {
+			log.Printf("[DEBUG] Association between %s and %s was not found - removing from state!", id.ScalingPlan, id.HostPool)
+			d.SetId("")
+			return nil
+		}
+		if props := model.Properties; props != nil && props.HostPoolReferences != nil {
+			for _, referenceId := range *props.HostPoolReferences {
+				if referenceId.HostPoolArmPath != nil {
+					if strings.EqualFold(*referenceId.HostPoolArmPath, hostPoolId) {
+						d.Set("enabled", referenceId.ScalingPlanEnabled)
+					}
+				}
+			}
+		}
+
+		d.Set("scaling_plan_id", id.ScalingPlan.ID())
+		d.Set("host_pool_id", hostPoolId)
+	}
+
+	return nil
+}
+
+func resourceVirtualDesktopScalingPlanHostPoolAssociationUpdate(d *pluginsdk.ResourceData, meta interface{}) error {
+	client := meta.(*clients.Client).DesktopVirtualization.ScalingPlansClient
+	ctx, cancel := timeouts.ForDelete(meta.(*clients.Client).StopContext, d)
+	defer cancel()
+
+	id, err := parse.ScalingPlanHostPoolAssociationID(d.Id())
+	if err != nil {
+		return err
+	}
+
+	locks.ByName(id.ScalingPlan.ScalingPlanName, scalingPlanResourceType)
+	defer locks.UnlockByName(id.ScalingPlan.ScalingPlanName, scalingPlanResourceType)
+
+	locks.ByName(id.HostPool.HostPoolName, hostPoolResourceType)
+	defer locks.UnlockByName(id.HostPool.HostPoolName, hostPoolResourceType)
+
+	existing, err := client.Get(ctx, id.ScalingPlan)
+	if err != nil {
+		if response.WasNotFound(existing.HttpResponse) {
+			return fmt.Errorf("%s was not found", id.ScalingPlan)
+		}
+
+		return fmt.Errorf("retrieving %s: %+v", id.ScalingPlan, err)
+	}
+	if existing.Model == nil {
+		return fmt.Errorf("retrieving %s: model was nil", id.ScalingPlan)
+	}
+	model := *existing.Model
+	exists := scalingPlanHostPoolAssociationExists(model.Properties, id.HostPool.ID())
+	if !exists {
+		log.Printf("[DEBUG] Association between %s and %s was not found - removing from state!", id.ScalingPlan, id.HostPool)
+		d.SetId("")
+		return nil
+	}
+
+	hostPoolReferences := []scalingplan.ScalingHostPoolReference{}
+	hostPoolId := id.HostPool.ID()
+	if props := model.Properties; props != nil && props.HostPoolReferences != nil {
+		for _, referenceId := range *props.HostPoolReferences {
+			if referenceId.HostPoolArmPath != nil {
+				if strings.EqualFold(*referenceId.HostPoolArmPath, hostPoolId) {
+					referenceId.ScalingPlanEnabled = utils.Bool(d.Get("enabled").(bool))
+				}
+			}
+			hostPoolReferences = append(hostPoolReferences, referenceId)
+		}
+	}
+
+	payload := scalingplan.ScalingPlanPatch{
+		Properties: &scalingplan.ScalingPlanPatchProperties{
+			HostPoolReferences: &hostPoolReferences,
+		},
+		Tags: model.Tags,
+	}
+	if _, err = client.Update(ctx, id.ScalingPlan, payload); err != nil {
+		return fmt.Errorf("updating association between %s and %s: %+v", id.ScalingPlan, id.HostPool, err)
+	}
+
+	return nil
+}
+
+func resourceVirtualDesktopScalingPlanHostPoolAssociationDelete(d *pluginsdk.ResourceData, meta interface{}) error {
+	client := meta.(*clients.Client).DesktopVirtualization.ScalingPlansClient
+	ctx, cancel := timeouts.ForDelete(meta.(*clients.Client).StopContext, d)
+	defer cancel()
+
+	id, err := parse.ScalingPlanHostPoolAssociationID(d.Id())
+	if err != nil {
+		return err
+	}
+
+	locks.ByName(id.ScalingPlan.ScalingPlanName, scalingPlanResourceType)
+	defer locks.UnlockByName(id.ScalingPlan.ScalingPlanName, scalingPlanResourceType)
+
+	locks.ByName(id.HostPool.HostPoolName, hostPoolResourceType)
+	defer locks.UnlockByName(id.HostPool.HostPoolName, hostPoolResourceType)
+
+	existing, err := client.Get(ctx, id.ScalingPlan)
+	if err != nil {
+		if response.WasNotFound(existing.HttpResponse) {
+			return fmt.Errorf("%s was not found", id.ScalingPlan)
+		}
+
+		return fmt.Errorf("retrieving %s: %+v", id.ScalingPlan, err)
+	}
+	if existing.Model == nil {
+		return fmt.Errorf("retrieving %s: model was nil", id.ScalingPlan)
+	}
+	model := *existing.Model
+
+	hostPoolReferences := []scalingplan.ScalingHostPoolReference{}
+	hostPoolId := id.HostPool.ID()
+	if props := model.Properties; props != nil && props.HostPoolReferences != nil {
+		for _, referenceId := range *props.HostPoolReferences {
+			if referenceId.HostPoolArmPath != nil {
+				if strings.EqualFold(*referenceId.HostPoolArmPath, hostPoolId) {
+					continue
+				}
+			}
+
+			hostPoolReferences = append(hostPoolReferences, referenceId)
+		}
+	}
+
+	payload := scalingplan.ScalingPlanPatch{
+		Properties: &scalingplan.ScalingPlanPatchProperties{
+			HostPoolReferences: &hostPoolReferences,
+		},
+		Tags: model.Tags,
+	}
+	if _, err = client.Update(ctx, id.ScalingPlan, payload); err != nil {
+		return fmt.Errorf("removing association between %s and %s: %+v", id.ScalingPlan, id.HostPool, err)
+	}
+
+	return nil
+}
+
+func scalingPlanHostPoolAssociationExists(props *scalingplan.ScalingPlanProperties, applicationGroupId string) bool {
+	if props == nil || props.HostPoolReferences == nil {
+		return false
+	}
+
+	for _, id := range *props.HostPoolReferences {
+		if id.HostPoolArmPath != nil {
+			if strings.EqualFold(*id.HostPoolArmPath, applicationGroupId) {
+				return true
+			}
+		}
+	}
+
+	return false
+}