feat: expose deprecation info for server types

internal/deprecation/deprecation.go

@@ -0,0 +1,39 @@
+package deprecation
+
+import (
+	"time"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+	"github.com/hetznercloud/hcloud-go/hcloud"
+)
+
+func AddToSchema(s map[string]*schema.Schema) map[string]*schema.Schema {
+	s["is_deprecated"] = &schema.Schema{
+		Type:     schema.TypeBool,
+		Computed: true,
+	}
+	s["deprecation_announced"] = &schema.Schema{
+		Type:     schema.TypeString,
+		Computed: true,
+		Optional: true,
+	}
+	s["unavailable_after"] = &schema.Schema{
+		Type:     schema.TypeString,
+		Computed: true,
+		Optional: true,
+	}
+
+	return s
+}
+
+func SetData(d *schema.ResourceData, r hcloud.Deprecatable) {
+	if !r.IsDeprecated() {
+		d.Set("is_deprecated", false)
+		d.Set("deprecation_announced", nil)
+		d.Set("unavailable_after", nil)
+	} else {
+		d.Set("is_deprecated", true)
+		d.Set("deprecation_announced", r.DeprecationAnnounced().Format(time.RFC3339))
+		d.Set("unavailable_after", r.UnavailableAfter().Format(time.RFC3339))
+	}
+}

internal/server/resource.go

@@ -279,6 +279,14 @@ func resourceServerCreate(ctx context.Context, d *schema.ResourceData, m interfa
 		return diag.Errorf("server type %s not found", d.Get("server_type"))
 	}
 
+	if serverType.IsDeprecated() {
+		if time.Now().Before(serverType.UnavailableAfter()) {
+			tflog.Warn(ctx, fmt.Sprintf("Attention: The server plan %q is deprecated and will no longer be available for order as of %s. Existing servers of that plan will continue to work as before and no action is required on your part. It is possible to migrate this server to another server plan by using the \"hcloud server change-type\" command.\n\n", serverType.Name, serverType.UnavailableAfter().Format("2006-01-02")))
+		} else {
+			return diag.Errorf("Attention: The server plan %q is deprecated and can no longer be ordered. Existing servers of that plan will continue to work as before and no action is required on your part. It is possible to migrate this server to another server plan by using the \"hcloud server change-type\" command.\n\n", serverType.Name)
+		}
+	}
+
 	imageNameOrID := d.Get("image").(string)
 	image, _, err := c.Image.GetForArchitecture(ctx, imageNameOrID, serverType.Architecture)
 	if err != nil {
@@ -1080,7 +1088,10 @@ func setServerSchema(d *schema.ResourceData, s *hcloud.Server) {
 		case "id":
 			d.SetId(strconv.Itoa(val.(int)))
 		default:
-			d.Set(key, val)
+			err := d.Set(key, val)
+			if err != nil {
+				log.Fatal(err)
+			}
 		}
 	}
 }

internal/servertype/data_source.go

@@ -7,6 +7,8 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/hetznercloud/terraform-provider-hcloud/internal/deprecation"
+
 	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 	"github.com/hetznercloud/hcloud-go/hcloud"
@@ -25,7 +27,7 @@ const (
 
 // getCommonDataSchema returns a new common schema used by all server type data sources.
 func getCommonDataSchema() map[string]*schema.Schema {
-	return map[string]*schema.Schema{
+	return deprecation.AddToSchema(map[string]*schema.Schema{
 		"id": {
 			Type:     schema.TypeInt,
 			Optional: true,
@@ -68,7 +70,7 @@ func getCommonDataSchema() map[string]*schema.Schema {
 			Type:     schema.TypeInt,
 			Computed: true,
 		},
-	}
+	})
 }
 
 // DataSource creates a new Terraform schema for the hcloud_server_type data
@@ -152,6 +154,8 @@ func setServerTypeSchema(d *schema.ResourceData, t *hcloud.ServerType) {
 			d.Set(key, val)
 		}
 	}
+
+	deprecation.SetData(d, t)
 }
 
 func getServerTypeAttributes(t *hcloud.ServerType) map[string]interface{} {

website/docs/d/server_type.html.md

@@ -31,3 +31,6 @@ data "hcloud_server_type" "ds_2" {
 - `disk` - (int) Disk size a Server of this type will have in GB.
 - `architecture` - (string) Architecture of the server_type.
 - `included_traffic` - (int) Free traffic per month in bytes.
+- `is_deprecated` - (bool) Deprecation status of server type.
+- `deprecation_announced` (Optional, string) Date when the deprecation of the server type was announced. Only set when the server type is deprecated.
+- `unavailable_after` (Optional, string) Date when the server type will not be available for new servers. Only set when the server type is deprecated.