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iothub_fallback_route_resource.go
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iothub_fallback_route_resource.go
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package iothub
import (
"fmt"
"time"
"github.com/Azure/azure-sdk-for-go/services/iothub/mgmt/2021-03-31/devices"
"github.com/kevinklinger/terraform-provider-azurerm/v2/helpers/azure"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/clients"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/locks"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/services/iothub/parse"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/services/iothub/validate"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/tf/pluginsdk"
"github.com/kevinklinger/terraform-provider-azurerm/v2/internal/timeouts"
"github.com/kevinklinger/terraform-provider-azurerm/v2/utils"
)
func resourceIotHubFallbackRoute() *pluginsdk.Resource {
return &pluginsdk.Resource{
Create: resourceIotHubFallbackRouteCreateUpdate,
Read: resourceIotHubFallbackRouteRead,
Update: resourceIotHubFallbackRouteCreateUpdate,
Delete: resourceIotHubFallbackRouteDelete,
Importer: pluginsdk.ImporterValidatingResourceId(func(id string) error {
_, err := parse.FallbackRouteID(id)
return err
}),
Timeouts: &pluginsdk.ResourceTimeout{
Create: pluginsdk.DefaultTimeout(30 * time.Minute),
Read: pluginsdk.DefaultTimeout(5 * time.Minute),
Update: pluginsdk.DefaultTimeout(30 * time.Minute),
Delete: pluginsdk.DefaultTimeout(30 * time.Minute),
},
Schema: map[string]*pluginsdk.Schema{
"resource_group_name": azure.SchemaResourceGroupName(),
"iothub_name": {
Type: pluginsdk.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: pluginsdk.TypeString,
Optional: true,
Default: "true",
},
"endpoint_names": {
Type: pluginsdk.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: &pluginsdk.Schema{
Type: pluginsdk.TypeString,
ValidateFunc: validate.IoTHubEndpointName,
},
},
"enabled": {
Type: pluginsdk.TypeBool,
Required: true,
},
},
}
}
func resourceIotHubFallbackRouteCreateUpdate(d *pluginsdk.ResourceData, meta interface{}) error {
client := meta.(*clients.Client).IoTHub.ResourceClient
subscriptionId := meta.(*clients.Client).IoTHub.DPSResourceClient.SubscriptionID
ctx, cancel := timeouts.ForCreateUpdate(meta.(*clients.Client).StopContext, d)
defer cancel()
id := parse.NewFallbackRouteID(subscriptionId, d.Get("resource_group_name").(string), d.Get("iothub_name").(string), "default")
locks.ByName(id.IotHubName, IothubResourceName)
defer locks.UnlockByName(id.IotHubName, IothubResourceName)
iothub, err := client.Get(ctx, id.ResourceGroup, id.IotHubName)
if err != nil {
if utils.ResponseWasNotFound(iothub.Response) {
return fmt.Errorf("IotHub %q (Resource Group %q) was not found", id.IotHubName, id.ResourceGroup)
}
return fmt.Errorf("loading IotHub %q (Resource Group %q): %+v", id.IotHubName, id.ResourceGroup, err)
}
// NOTE: this resource intentionally doesn't support Requires Import
// since a fallback route is created by default
routing := iothub.Properties.Routing
if routing == nil {
routing = &devices.RoutingProperties{}
}
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, id.ResourceGroup, id.IotHubName, iothub, "")
if err != nil {
return fmt.Errorf("creating/updating %s: %+v", id, err)
}
if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
return fmt.Errorf("waiting for the completion of the creating/updating of %s: %+v", id, err)
}
d.SetId(id.ID())
return resourceIotHubFallbackRouteRead(d, meta)
}
func resourceIotHubFallbackRouteRead(d *pluginsdk.ResourceData, meta interface{}) error {
client := meta.(*clients.Client).IoTHub.ResourceClient
ctx, cancel := timeouts.ForRead(meta.(*clients.Client).StopContext, d)
defer cancel()
id, err := parse.FallbackRouteID(d.Id())
if err != nil {
return err
}
iothub, err := client.Get(ctx, id.ResourceGroup, id.IotHubName)
if err != nil {
return fmt.Errorf("loading IotHub %q (Resource Group %q): %+v", id.IotHubName, id.ResourceGroup, err)
}
d.Set("iothub_name", id.IotHubName)
d.Set("resource_group_name", id.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 resourceIotHubFallbackRouteDelete(d *pluginsdk.ResourceData, meta interface{}) error {
client := meta.(*clients.Client).IoTHub.ResourceClient
ctx, cancel := timeouts.ForDelete(meta.(*clients.Client).StopContext, d)
defer cancel()
id, err := parse.FallbackRouteID(d.Id())
if err != nil {
return err
}
locks.ByName(id.IotHubName, IothubResourceName)
defer locks.UnlockByName(id.IotHubName, IothubResourceName)
iothub, err := client.Get(ctx, id.ResourceGroup, id.IotHubName)
if err != nil {
if utils.ResponseWasNotFound(iothub.Response) {
return fmt.Errorf("IotHub %q (Resource Group %q) was not found", id.IotHubName, id.ResourceGroup)
}
return fmt.Errorf("loading IotHub %q (Resource Group %q): %+v", id.IotHubName, id.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, id.ResourceGroup, id.IotHubName, iothub, "")
if err != nil {
return fmt.Errorf("updating %s: %+v", id, err)
}
if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
return fmt.Errorf("waiting for %s to finish updating: %+v", id, err)
}
return nil
}