fix(instance): snapshot: type defaults to l_ssd

docs/resources/instance_snapshot.md

@@ -40,7 +40,6 @@ resource "scaleway_instance_server" "main" {
 
 resource "scaleway_instance_snapshot" "main" {
   volume_id  = scaleway_instance_volume.main.id
-  type       = "unified"
   depends_on = [scaleway_instance_server.main]
 }
 ```
@@ -59,7 +58,6 @@ resource "scaleway_object" "qcow" {
 }
 
 resource "scaleway_instance_snapshot" "snapshot" {
-  type = "unified"
   import {
     bucket = scaleway_object.qcow.bucket
     key    = scaleway_object.qcow.key
@@ -72,11 +70,12 @@ resource "scaleway_instance_snapshot" "snapshot" {
 The following arguments are supported:
 
 - `volume_id` - (Optional) The ID of the volume to take a snapshot from.
-- `type` - (Optional) The snapshot's volume type.  The possible values are: `l_ssd` (Local SSD) and `unified`.
+- `type` - (Default to `l_ssd`) The snapshot's volume type.  The possible values are: `l_ssd` (Local SSD).
 Updates to this field will recreate a new resource.
 
 ~> **Important:** Snapshots of volumes with type `b_ssd` (Block SSD) are deprecated and cannot be managed using the `scaleway_instance_snapshot` resource anymore. Please use the `scaleway_block_snapshot` resource instead.
 If you want to migrate existing snapshots, you can visit [this page](https://www.scaleway.com/en/docs/instances/how-to/migrate-volumes-snapshots-to-sbs/) for more information.
+~> **Important:** Snapshots of volumes with type `unified` (can be used with both Block and Local SSD) are deprecated since the migration to SBS.
 
 - `name` - (Optional) The name of the snapshot. If not provided it will be randomly generated.
 - `zone` - (Defaults to [provider](../index.md#zone) `zone`) The [zone](../guides/regions_and_zones.md#zones) in which
@@ -88,8 +87,6 @@ If you want to migrate existing snapshots, you can visit [this page](https://www
     - `bucket` - Bucket name containing [qcow2](https://en.wikipedia.org/wiki/Qcow) to import
     - `key` - Key of the object to import
 
--> **Note:** The type `unified` could be instantiated on both `l_ssd` and `b_ssd` volumes.
-
 ## Attributes Reference
 
 In addition to all arguments above, the following attributes are exported:

internal/services/instance/snapshot.go

@@ -142,6 +142,10 @@ func ResourceInstanceSnapshotCreate(ctx context.Context, d *schema.ResourceData,
 	}
 
 	if _, isImported := d.GetOk("import"); isImported {
+		if req.VolumeType == "" {
+			req.VolumeType = instanceSDK.SnapshotVolumeTypeLSSD
+		}
+
 		req.Bucket = types.ExpandStringPtr(regional.ExpandID(d.Get("import.0.bucket")).ID)
 		req.Key = types.ExpandStringPtr(d.Get("import.0.key"))
 	}

internal/services/instance/snapshot_test.go

@@ -4,13 +4,15 @@ import (
 	"fmt"
 	"testing"
 
+	sdkacctest "github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
 	instanceSDK "github.com/scaleway/scaleway-sdk-go/api/instance/v1"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/acctest"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/httperrors"
 	"github.com/scaleway/terraform-provider-scaleway/v2/internal/services/instance"
 	instancechecks "github.com/scaleway/terraform-provider-scaleway/v2/internal/services/instance/testfuncs"
+	objectchecks "github.com/scaleway/terraform-provider-scaleway/v2/internal/services/object/testfuncs"
 )
 
 func TestAccSnapshot_Server(t *testing.T) {
@@ -42,6 +44,79 @@ func TestAccSnapshot_Server(t *testing.T) {
 	})
 }
 
+func TestAccSnapshot_FromS3(t *testing.T) {
+	tt := acctest.NewTestTools(t)
+	defer tt.Cleanup()
+
+	bucketName := sdkacctest.RandomWithPrefix("test-acc-scaleway-instance-snapshot")
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { acctest.PreCheck(t) },
+		ProviderFactories: tt.ProviderFactories,
+		CheckDestroy: resource.ComposeTestCheckFunc(
+			isSnapshotDestroyed(tt),
+			objectchecks.IsObjectDestroyed(tt),
+			objectchecks.IsBucketDestroyed(tt),
+		),
+		Steps: []resource.TestStep{
+			{
+				Config: fmt.Sprintf(`
+					resource "scaleway_object_bucket" "snapshot-bucket" {
+					  name = "%s"
+					}
+
+					resource "scaleway_object" "qcow-object" {
+					  bucket = scaleway_object_bucket.snapshot-bucket.name
+					  key    = "test-acc-instance-snapshot.qcow2"
+					  file   = "testfixture/small_image.qcow2"
+					}
+
+					resource "scaleway_instance_snapshot" "qcow-instance-snapshot" {
+					  name = "test-acc-snapshot-import-default"
+					  import {
+					    bucket = scaleway_object.qcow-object.bucket
+					    key    = scaleway_object.qcow-object.key
+					  }
+					}
+				`, bucketName),
+				Check: resource.ComposeTestCheckFunc(
+					isSnapshotPresent(tt, "scaleway_instance_snapshot.qcow-instance-snapshot"),
+					acctest.CheckResourceAttrUUID("scaleway_instance_snapshot.qcow-instance-snapshot", "id"),
+					resource.TestCheckResourceAttr("scaleway_instance_snapshot.qcow-instance-snapshot", "name", "test-acc-snapshot-import-default"),
+					resource.TestCheckResourceAttr("scaleway_instance_snapshot.qcow-instance-snapshot", "type", "l_ssd"),
+				),
+			},
+			{
+				Config: fmt.Sprintf(`
+					resource "scaleway_object_bucket" "snapshot-bucket" {
+					  name = "%s"
+					}
+
+					resource "scaleway_object" "qcow-object" {
+					  bucket = scaleway_object_bucket.snapshot-bucket.name
+					  key    = "test-acc-instance-snapshot.qcow2"
+					  file   = "testfixture/small_image.qcow2"
+					}
+
+					resource "scaleway_instance_snapshot" "qcow-instance-snapshot" {
+					  name = "test-acc-snapshot-import-lssd"
+					  type = "l_ssd"
+					  import {
+					    bucket = scaleway_object.qcow-object.bucket
+					    key    = scaleway_object.qcow-object.key
+					  }
+					}
+				`, bucketName),
+				Check: resource.ComposeTestCheckFunc(
+					isSnapshotPresent(tt, "scaleway_instance_snapshot.qcow-instance-snapshot"),
+					acctest.CheckResourceAttrUUID("scaleway_instance_snapshot.qcow-instance-snapshot", "id"),
+					resource.TestCheckResourceAttr("scaleway_instance_snapshot.qcow-instance-snapshot", "name", "test-acc-snapshot-import-lssd"),
+					resource.TestCheckResourceAttr("scaleway_instance_snapshot.qcow-instance-snapshot", "type", "l_ssd"),
+				),
+			},
+		},
+	})
+}
+
 func isSnapshotPresent(tt *acctest.TestTools, n string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		rs, ok := s.RootModule().Resources[n]