new resource:azurerm_application_load_balancer_subnet_association

internal/services/servicenetworking/application_load_balancer_association_resource.go

@@ -0,0 +1,230 @@
+package servicenetworking
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/hashicorp/go-azure-helpers/lang/pointer"
+	"github.com/hashicorp/go-azure-helpers/lang/response"
+	"github.com/hashicorp/go-azure-helpers/resourcemanager/commonids"
+	"github.com/hashicorp/go-azure-helpers/resourcemanager/commonschema"
+	"github.com/hashicorp/go-azure-helpers/resourcemanager/location"
+	"github.com/hashicorp/go-azure-sdk/resource-manager/servicenetworking/2023-05-01-preview/associationsinterface"
+	"github.com/hashicorp/go-azure-sdk/resource-manager/servicenetworking/2023-05-01-preview/trafficcontrollerinterface"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/hashicorp/terraform-provider-azurerm/helpers/tf"
+	"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"
+)
+
+type AssociationResource struct{}
+
+type AssociationModel struct {
+	Name                      string            `tfschema:"name"`
+	ApplicationLoadBalancerId string            `tfschema:"application_load_balancer_id"`
+	SubnetId                  string            `tfschema:"subnet_id"`
+	Tags                      map[string]string `tfschema:"tags"`
+}
+
+var _ sdk.ResourceWithUpdate = AssociationResource{}
+
+func (t AssociationResource) Arguments() map[string]*schema.Schema {
+	return map[string]*schema.Schema{
+		"name": {
+			Type:         pluginsdk.TypeString,
+			Required:     true,
+			ForceNew:     true,
+			ValidateFunc: validation.StringIsNotEmpty,
+		},
+
+		"application_load_balancer_id": {
+			Type:         pluginsdk.TypeString,
+			Required:     true,
+			ForceNew:     true,
+			ValidateFunc: associationsinterface.ValidateTrafficControllerID,
+		},
+
+		"subnet_id": {
+			Type:         pluginsdk.TypeString,
+			Required:     true,
+			ForceNew:     true,
+			ValidateFunc: commonids.ValidateSubnetID,
+		},
+
+		"tags": commonschema.Tags(),
+	}
+}
+
+func (t AssociationResource) Attributes() map[string]*schema.Schema {
+	return map[string]*schema.Schema{}
+}
+
+func (t AssociationResource) ModelObject() interface{} {
+	return &AssociationModel{}
+}
+
+func (t AssociationResource) ResourceType() string {
+	return "azurerm_application_load_balancer_association"
+}
+
+func (t AssociationResource) IDValidationFunc() pluginsdk.SchemaValidateFunc {
+	return associationsinterface.ValidateAssociationID
+}
+func (t AssociationResource) Create() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Timeout: 30 * time.Minute,
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			trafficControllerClient := metadata.Client.ServiceNetworking.TrafficControllerInterface
+			client := metadata.Client.ServiceNetworking.AssociationsInterface
+
+			var config AssociationModel
+			if err := metadata.Decode(&config); err != nil {
+				return fmt.Errorf("decoding %v", err)
+			}
+
+			parsedTrafficControllerId, err := associationsinterface.ParseTrafficControllerID(config.ApplicationLoadBalancerId)
+			if err != nil {
+				return err
+			}
+
+			controllerId := trafficcontrollerinterface.NewTrafficControllerID(parsedTrafficControllerId.SubscriptionId, parsedTrafficControllerId.ResourceGroupName, parsedTrafficControllerId.TrafficControllerName)
+			controller, err := trafficControllerClient.Get(ctx, controllerId)
+			if err != nil {
+				return fmt.Errorf("retrieving %s: %+v", controllerId, err)
+			}
+
+			if controller.Model == nil {
+				return fmt.Errorf("retrieving %s: Model was nil", controllerId)
+			}
+
+			loc := controller.Model.Location
+
+			id := associationsinterface.NewAssociationID(parsedTrafficControllerId.SubscriptionId, parsedTrafficControllerId.ResourceGroupName, parsedTrafficControllerId.TrafficControllerName, config.Name)
+			existing, err := client.Get(ctx, id)
+			if err != nil {
+				if !response.WasNotFound(existing.HttpResponse) {
+					return fmt.Errorf("checking for presence of exisiting %s: %+v", id, err)
+				}
+			}
+
+			if !response.WasNotFound(existing.HttpResponse) {
+				return tf.ImportAsExistsError(t.ResourceType(), id.ID())
+			}
+
+			association := associationsinterface.Association{
+				Location: location.Normalize(loc),
+				Properties: &associationsinterface.AssociationProperties{
+					Subnet: &associationsinterface.AssociationSubnet{
+						Id: config.SubnetId,
+					},
+					AssociationType: associationsinterface.AssociationTypeSubnets,
+				},
+			}
+
+			if len(config.Tags) > 0 {
+				association.Tags = &config.Tags
+			}
+
+			if err := client.CreateOrUpdateThenPoll(ctx, id, association); err != nil {
+				return fmt.Errorf("creating %s: %+v", id, err)
+			}
+
+			metadata.SetID(id)
+			return nil
+		},
+	}
+}
+
+func (t AssociationResource) Read() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Timeout: 5 * time.Minute,
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			client := metadata.Client.ServiceNetworking.AssociationsInterface
+
+			id, err := associationsinterface.ParseAssociationID(metadata.ResourceData.Id())
+			if err != nil {
+				return err
+			}
+
+			resp, err := client.Get(ctx, *id)
+			if err != nil {
+				if response.WasNotFound(resp.HttpResponse) {
+					return metadata.MarkAsGone(id)
+				}
+				return fmt.Errorf("retreiving %s: %v", id.ID(), err)
+			}
+
+			trafficControllerId := associationsinterface.NewTrafficControllerID(id.SubscriptionId, id.ResourceGroupName, id.TrafficControllerName)
+			state := AssociationModel{
+				Name:                      id.AssociationName,
+				ApplicationLoadBalancerId: trafficControllerId.ID(),
+			}
+
+			if model := resp.Model; model != nil {
+				state.Tags = pointer.From(model.Tags)
+
+				if prop := model.Properties; prop != nil {
+					if prop.Subnet != nil {
+						state.SubnetId = prop.Subnet.Id
+					}
+				}
+			}
+
+			return metadata.Encode(&state)
+		},
+	}
+}
+
+func (t AssociationResource) Update() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Timeout: 30 * time.Minute,
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			client := metadata.Client.ServiceNetworking.AssociationsInterface
+
+			var plan AssociationModel
+			if err := metadata.Decode(&plan); err != nil {
+				return fmt.Errorf("decoding %v", err)
+			}
+
+			id, err := associationsinterface.ParseAssociationID(metadata.ResourceData.Id())
+			if err != nil {
+				return fmt.Errorf("parsing id %v", err)
+			}
+
+			// thought `AssociationSubnetUpdate` is defined in the SDK, per testing the subnet id can not be updated.
+			associationUpdate := associationsinterface.AssociationUpdate{}
+
+			if metadata.ResourceData.HasChange("tags") {
+				associationUpdate.Tags = &plan.Tags
+			}
+
+			if _, err = client.Update(ctx, *id, associationUpdate); err != nil {
+				return fmt.Errorf("updating `azurerm_application_load_balancer_association` %s: %v", id.ID(), err)
+			}
+
+			return nil
+		},
+	}
+}
+
+func (t AssociationResource) Delete() sdk.ResourceFunc {
+	return sdk.ResourceFunc{
+		Timeout: 30 * time.Minute,
+		Func: func(ctx context.Context, metadata sdk.ResourceMetaData) error {
+			client := metadata.Client.ServiceNetworking.AssociationsInterface
+
+			id, err := associationsinterface.ParseAssociationID(metadata.ResourceData.Id())
+			if err != nil {
+				return err
+			}
+
+			if err = client.DeleteThenPoll(ctx, *id); err != nil {
+				return fmt.Errorf("deleting %s: %v", id.ID(), err)
+			}
+
+			return nil
+		},
+	}
+}