azurerm_resource_feature_registration: New resource

internal/services/resource/resource_feature_registration_resource.go

@@ -0,0 +1,249 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
+package resource
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"strings"
+	"time"
+
+	"github.com/hashicorp/go-azure-helpers/lang/response"
+	"github.com/hashicorp/go-azure-sdk/resource-manager/resources/2021-07-01/features"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/resourceproviders"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/sdk"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/tf/pluginsdk"
+	"github.com/hashicorp/terraform-provider-azurerm/internal/tf/validation"
+)
+
+var _ sdk.Resource = ResourceProviderFeatureRegistrationResource{}
+
+type ResourceProviderFeatureRegistrationResource struct{}
+
+type ResourceProviderFeatureRegistrationModel struct {
+	Name         string `tfschema:"name"`
+	ProviderName string `tfschema:"provider_name"`
+}
+
+func (r ResourceProviderFeatureRegistrationResource) Arguments() map[string]*pluginsdk.Schema {
+	return map[string]*pluginsdk.Schema{
+		"name": {
+			Type:         pluginsdk.TypeString,
+			Required:     true,
+			ForceNew:     true,
+			ValidateFunc: validation.StringIsNotEmpty,
+		},
+
+		"provider_name": {
+			Type:         pluginsdk.TypeString,
+			Required:     true,
+			ForceNew:     true,
+			ValidateFunc: resourceproviders.EnhancedValidate,
+		},
+	}
+}
+
+func (r ResourceProviderFeatureRegistrationResource) Attributes() map[string]*pluginsdk.Schema {
+	return map[string]*pluginsdk.Schema{}
+}
+
+func (r ResourceProviderFeatureRegistrationResource) ModelObject() interface{} {
+	return &ResourceProviderFeatureRegistrationModel{}
+}
+
+func (r ResourceProviderFeatureRegistrationResource) ResourceType() string {
+	return "azurerm_resource_feature_registration"
+}
+
+func (r ResourceProviderFeatureRegistrationResource) Create() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			client := metadata.Client.Resource.FeaturesClient
+			account := metadata.Client.Account
+
+			var obj ResourceProviderFeatureRegistrationModel
+			if err := metadata.Decode(&obj); err != nil {
+				return err
+			}
+
+			featureId := features.NewFeatureID(account.SubscriptionId, obj.ProviderName, obj.Name)
+
+			provider, err := client.Get(ctx, featureId)
+			if err != nil {
+				if response.WasNotFound(provider.HttpResponse) {
+					return fmt.Errorf("%s was not found", featureId)
+				}
+
+				return fmt.Errorf("retrieving %q: %+v", featureId, err)
+			}
+
+			registrationState := ""
+			if model := provider.Model; model != nil && model.Properties != nil && model.Properties.State != nil {
+				registrationState = *model.Properties.State
+			}
+
+			if registrationState == "" {
+				return fmt.Errorf("retrieving %s: `registrationState` was nil", featureId)
+			}
+
+			if strings.EqualFold(registrationState, Registered) {
+				return metadata.ResourceRequiresImport(r.ResourceType(), featureId)
+			}
+
+			if strings.EqualFold(registrationState, Pending) {
+				return fmt.Errorf("%s which requires manual approval can not be managed by terraform", featureId)
+			}
+
+			log.Printf("[DEBUG] Registering %s..", featureId)
+			resp, err := client.Register(ctx, featureId)
+			if err != nil {
+				return fmt.Errorf("error registering feature %q: %+v", featureId, err)
+			}
+
+			if resp.Model != nil && resp.Model.Properties != nil && resp.Model.Properties.State != nil {
+				if strings.EqualFold(*resp.Model.Properties.State, Pending) {
+					return fmt.Errorf("%s which requires manual approval can not be managed by terraform", featureId)
+				}
+			}
+
+			deadline, ok := ctx.Deadline()
+			if !ok {
+				return fmt.Errorf("internal-error: context had no deadline")
+			}
+			stateConf := &pluginsdk.StateChangeConf{
+				Pending:    []string{Registering},
+				Target:     []string{Registered},
+				Refresh:    r.featureRegisteringStateRefreshFunc(ctx, client, featureId),
+				MinTimeout: 3 * time.Minute,
+				Timeout:    time.Until(deadline),
+			}
+
+			if _, err = stateConf.WaitForStateContext(ctx); err != nil {
+				return fmt.Errorf("waiting for %s registering to be completed: %+v", featureId, err)
+			}
+
+			log.Printf("[DEBUG] Registered Resource Provider %q.", featureId)
+
+			metadata.SetID(featureId)
+			return nil
+		},
+
+		Timeout: 120 * time.Minute,
+	}
+}
+
+func (r ResourceProviderFeatureRegistrationResource) Read() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			client := metadata.Client.Resource.FeaturesClient
+
+			featureId, err := features.ParseFeatureID(metadata.ResourceData.Id())
+			if err != nil {
+				return err
+			}
+
+			resp, err := client.Get(ctx, *featureId)
+			if err != nil {
+				if response.WasNotFound(resp.HttpResponse) {
+					return metadata.MarkAsGone(featureId)
+				}
+
+				return fmt.Errorf("retrieving %s: %+v", featureId, err)
+			}
+
+			registrationState := ""
+			if model := resp.Model; model != nil && model.Properties != nil && model.Properties.State != nil {
+				registrationState = *model.Properties.State
+			}
+
+			if !strings.EqualFold(registrationState, Registered) {
+				log.Printf("[WARN] %s was not registered - removing from state", *featureId)
+				return metadata.MarkAsGone(featureId)
+			}
+
+			return metadata.Encode(&ResourceProviderFeatureRegistrationModel{
+				Name:         featureId.FeatureName,
+				ProviderName: featureId.ProviderName,
+			})
+		},
+		Timeout: 5 * time.Minute,
+	}
+}
+
+func (r ResourceProviderFeatureRegistrationResource) Delete() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			client := metadata.Client.Resource.FeaturesClient
+
+			featureId, err := features.ParseFeatureID(metadata.ResourceData.Id())
+			if err != nil {
+				return fmt.Errorf("error checking for existing feature %q: %+v", *featureId, err)
+			}
+
+			existing, err := client.Get(ctx, *featureId)
+
+			if existing.Model != nil && existing.Model.Properties != nil && existing.Model.Properties.State != nil {
+				if strings.EqualFold(*existing.Model.Properties.State, Pending) {
+					return fmt.Errorf("%s which requires manual approval should not be managed by terraform", *featureId)
+				}
+				if strings.EqualFold(*existing.Model.Properties.State, Unregistered) {
+					return nil
+				}
+			}
+
+			log.Printf("[INFO] unregistering feature %q.", *featureId)
+
+			resp, err := client.Unregister(ctx, *featureId)
+			if err != nil {
+				return fmt.Errorf("unregistering feature %q: %+v", *featureId, err)
+			}
+
+			if resp.Model != nil && resp.Model.Properties != nil && resp.Model.Properties.State != nil {
+				if strings.EqualFold(*resp.Model.Properties.State, Pending) {
+					return fmt.Errorf("%s requires manual registration approval and can not be managed by terraform", *featureId)
+				}
+			}
+
+			deadline, ok := ctx.Deadline()
+			if !ok {
+				return fmt.Errorf("internal-error: context had no deadline")
+			}
+			stateConf := &pluginsdk.StateChangeConf{
+				Pending:    []string{Unregistering},
+				Target:     []string{NotRegistered, Unregistered},
+				Refresh:    r.featureRegisteringStateRefreshFunc(ctx, client, *featureId),
+				MinTimeout: 3 * time.Minute,
+				Timeout:    time.Until(deadline),
+			}
+
+			if _, err = stateConf.WaitForStateContext(ctx); err != nil {
+				return fmt.Errorf("waiting for %s to be complete unregistering: %+v", *featureId, err)
+			}
+
+			log.Printf("[DEBUG] Unregistered Feature %q.", *featureId)
+
+			return nil
+		},
+		Timeout: 30 * time.Minute,
+	}
+}
+
+func (r ResourceProviderFeatureRegistrationResource) IDValidationFunc() pluginsdk.SchemaValidateFunc {
+	return features.ValidateFeatureID
+}
+
+func (r ResourceProviderFeatureRegistrationResource) featureRegisteringStateRefreshFunc(ctx context.Context, client *features.FeaturesClient, id features.FeatureId) pluginsdk.StateRefreshFunc {
+	return func() (interface{}, string, error) {
+		res, err := client.Get(ctx, id)
+		if err != nil {
+			return nil, "", fmt.Errorf("retrieving %s: %+v", id, err)
+		}
+		if res.Model == nil || res.Model.Properties == nil || res.Model.Properties.State == nil {
+			return nil, "", fmt.Errorf("error reading %s registering status: %+v", id, err)
+		}
+
+		return res, *res.Model.Properties.State, nil
+	}
+}