New Resource: azurerm_iothub_fallback_route

azurerm/provider.go

@@ -307,6 +307,7 @@ func Provider() terraform.ResourceProvider {
 		"azurerm_iothub_dps_certificate":                             resourceArmIotHubDPSCertificate(),
 		"azurerm_iothub_consumer_group":                              resourceArmIotHubConsumerGroup(),
 		"azurerm_iothub":                                             resourceArmIotHub(),
+		"azurerm_iothub_fallback_route":                              resourceArmIotHubFallbackRoute(),
 		"azurerm_iothub_route":                                       resourceArmIotHubRoute(),
 		"azurerm_iothub_endpoint_eventhub":                           resourceArmIotHubEndpointEventHub(),
 		"azurerm_iothub_endpoint_servicebus_queue":                   resourceArmIotHubEndpointServiceBusQueue(),

azurerm/resource_arm_iothub.go

@@ -471,14 +471,16 @@ func resourceArmIotHubCreateUpdate(d *schema.ResourceData, meta interface{}) err
 	skuInfo := expandIoTHubSku(d)
 	t := d.Get("tags").(map[string]interface{})
 
-	routingProperties := devices.RoutingProperties{
-		FallbackRoute: expandIoTHubFallbackRoute(d),
-	}
+	routingProperties := devices.RoutingProperties{}
 
 	if _, ok := d.GetOk("route"); ok {
 		routingProperties.Routes = expandIoTHubRoutes(d)
 	}
 
+	if _, ok := d.GetOk("fallback_route"); ok {
+		routingProperties.FallbackRoute = expandIoTHubFallbackRoute(d)
+	}
+
 	if _, ok := d.GetOk("endpoint"); ok {
 		endpoints, err := expandIoTHubEndpoints(d, subscriptionID)
 		if err != nil {

azurerm/resource_arm_iothub_fallback_route.go

@@ -0,0 +1,190 @@
+package azurerm
+
+import (
+	"fmt"
+
+	"github.com/Azure/azure-sdk-for-go/services/preview/iothub/mgmt/2018-12-01-preview/devices"
+	"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
+	"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/helpers/validate"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/locks"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/internal/timeouts"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
+)
+
+func resourceArmIotHubFallbackRoute() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceArmIotHubFallbackRouteCreateUpdate,
+		Read:   resourceArmIotHubFallbackRouteRead,
+		Update: resourceArmIotHubFallbackRouteCreateUpdate,
+		Delete: resourceArmIotHubFallbackRouteDelete,
+		Importer: &schema.ResourceImporter{
+			State: schema.ImportStatePassthrough,
+		},
+
+		Schema: map[string]*schema.Schema{
+			"resource_group_name": azure.SchemaResourceGroupName(),
+
+			"iothub_name": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: validate.IoTHubName,
+			},
+
+			"condition": {
+				// The condition is a string value representing device-to-cloud message routes query expression
+				// https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-query-language#device-to-cloud-message-routes-query-expressions
+				Type:     schema.TypeString,
+				Optional: true,
+				Default:  "true",
+			},
+
+			"endpoint_names": {
+				Type:     schema.TypeList,
+				Required: true,
+				// Currently only one endpoint is allowed. With that comment from Microsoft, we'll leave this open to enhancement when they add multiple endpoint support.
+				MaxItems: 1,
+				Elem: &schema.Schema{
+					Type:         schema.TypeString,
+					ValidateFunc: validate.NoEmptyStrings,
+				},
+			},
+
+			"enabled": {
+				Type:     schema.TypeBool,
+				Required: true,
+			},
+		},
+	}
+}
+
+func resourceArmIotHubFallbackRouteCreateUpdate(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*ArmClient).IoTHub.ResourceClient
+	ctx, cancel := timeouts.ForCreateUpdate(meta.(*ArmClient).StopContext, d)
+	defer cancel()
+
+	iothubName := d.Get("iothub_name").(string)
+	resourceGroup := d.Get("resource_group_name").(string)
+
+	locks.ByName(iothubName, iothubResourceName)
+	defer locks.UnlockByName(iothubName, iothubResourceName)
+
+	iothub, err := client.Get(ctx, resourceGroup, iothubName)
+	if err != nil {
+		if utils.ResponseWasNotFound(iothub.Response) {
+			return fmt.Errorf("IotHub %q (Resource Group %q) was not found", iothubName, resourceGroup)
+		}
+
+		return fmt.Errorf("Error loading IotHub %q (Resource Group %q): %+v", iothubName, resourceGroup, err)
+	}
+
+	routing := iothub.Properties.Routing
+
+	if routing == nil {
+		routing = &devices.RoutingProperties{}
+	}
+
+	resourceId := fmt.Sprintf("%s/FallbackRoute/defined", *iothub.ID)
+	if d.IsNewResource() && routing.FallbackRoute != nil && requireResourcesToBeImported {
+		return tf.ImportAsExistsError("azurerm_iothub_fallback_route", resourceId)
+	}
+
+	routing.FallbackRoute = &devices.FallbackRouteProperties{
+		Source:        utils.String(string(devices.RoutingSourceDeviceMessages)),
+		Condition:     utils.String(d.Get("condition").(string)),
+		EndpointNames: utils.ExpandStringSlice(d.Get("endpoint_names").([]interface{})),
+		IsEnabled:     utils.Bool(d.Get("enabled").(bool)),
+	}
+
+	future, err := client.CreateOrUpdate(ctx, resourceGroup, iothubName, iothub, "")
+	if err != nil {
+		return fmt.Errorf("Error creating/updating IotHub %q (Resource Group %q): %+v", iothubName, resourceGroup, err)
+	}
+
+	if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
+		return fmt.Errorf("Error waiting for the completion of the creating/updating of IotHub %q (Resource Group %q): %+v", iothubName, resourceGroup, err)
+	}
+
+	d.SetId(resourceId)
+
+	return resourceArmIotHubFallbackRouteRead(d, meta)
+}
+
+func resourceArmIotHubFallbackRouteRead(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*ArmClient).IoTHub.ResourceClient
+	ctx, cancel := timeouts.ForRead(meta.(*ArmClient).StopContext, d)
+	defer cancel()
+
+	parsedIothubRouteId, err := parseAzureResourceID(d.Id())
+	if err != nil {
+		return err
+	}
+
+	resourceGroup := parsedIothubRouteId.ResourceGroup
+	iothubName := parsedIothubRouteId.Path["IotHubs"]
+
+	iothub, err := client.Get(ctx, resourceGroup, iothubName)
+	if err != nil {
+		return fmt.Errorf("Error loading IotHub %q (Resource Group %q): %+v", iothubName, resourceGroup, err)
+	}
+
+	d.Set("iothub_name", iothubName)
+	d.Set("resource_group_name", resourceGroup)
+
+	if props := iothub.Properties; props != nil {
+		if routing := props.Routing; routing != nil {
+			if fallbackRoute := routing.FallbackRoute; fallbackRoute != nil {
+				d.Set("condition", fallbackRoute.Condition)
+				d.Set("enabled", fallbackRoute.IsEnabled)
+				d.Set("endpoint_names", fallbackRoute.EndpointNames)
+			}
+		}
+	}
+
+	return nil
+}
+
+func resourceArmIotHubFallbackRouteDelete(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*ArmClient).IoTHub.ResourceClient
+	ctx, cancel := timeouts.ForDelete(meta.(*ArmClient).StopContext, d)
+	defer cancel()
+
+	parsedIothubRouteId, err := parseAzureResourceID(d.Id())
+
+	if err != nil {
+		return err
+	}
+
+	resourceGroup := parsedIothubRouteId.ResourceGroup
+	iothubName := parsedIothubRouteId.Path["IotHubs"]
+
+	locks.ByName(iothubName, iothubResourceName)
+	defer locks.UnlockByName(iothubName, iothubResourceName)
+
+	iothub, err := client.Get(ctx, resourceGroup, iothubName)
+	if err != nil {
+		if utils.ResponseWasNotFound(iothub.Response) {
+			return fmt.Errorf("IotHub %q (Resource Group %q) was not found", iothubName, resourceGroup)
+		}
+
+		return fmt.Errorf("Error loading IotHub %q (Resource Group %q): %+v", iothubName, resourceGroup, err)
+	}
+
+	if iothub.Properties == nil || iothub.Properties.Routing == nil || iothub.Properties.Routing.FallbackRoute == nil {
+		return nil
+	}
+
+	iothub.Properties.Routing.FallbackRoute = nil
+	future, err := client.CreateOrUpdate(ctx, resourceGroup, iothubName, iothub, "")
+	if err != nil {
+		return fmt.Errorf("Error updating IotHub %q (Resource Group %q) with Fallback Route: %+v", iothubName, resourceGroup, err)
+	}
+
+	if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
+		return fmt.Errorf("Error waiting for IotHub %q (Resource Group %q) to finish updating Fallback Route: %+v", iothubName, resourceGroup, err)
+	}
+
+	return nil
+}