feat(block): support export to s3

Author: Laure-di

docs/resources/block_snapshot.md

@@ -29,6 +29,43 @@ resource "scaleway_block_snapshot" "block_snapshot" {
 }
 ```
 
+### Import from Object Storage
+
+```terraform
+resource "scaleway_object_bucket" "my-import-bucket" {
+  name = "snapshot-bucket-to-import"
+}
+
+resource "scaleway_object" "qcow-object" {
+  bucket = scaleway_object_bucket.snapshot-bucket.name
+  key    = "my-snapshot.qcow2"
+  file   = "imported-snapshot/snapshot.qcow2"
+}
+resource "scaleway_block_volume" "imported" {
+  iops = 5000
+  name = "imported-from-qcow"
+
+  import {
+    bucket = "my-import-bucket"
+    key    = "imported-snapshot/snapshot.qcow2"
+  }
+}
+```
+
+### Export to Object Storage
+
+```terraform
+resource "scaleway_block_volume" "to_export" {
+  iops = 5000
+  name = "to-export"
+
+  export {
+    bucket = "my-export-bucket"
+    key    = "exports/volume.qcow2"
+  }
+}
+```
+
 ## Argument Reference
 
 This section lists the arguments that are supported:
@@ -38,6 +75,12 @@ This section lists the arguments that are supported:
 - `zone` - (Defaults to the zone specified in the [provider configuration](../index.md#zone)). The [zone](../guides/regions_and_zones.md#zones) in which the snapshot should be created.
 - `project_id` - (Defaults to the Project ID specified in the [provider configuration](../index.md#project_id)). The ID of the Scaleway Project the snapshot is associated with.
 - `tags` - (Optional) A list of tags to apply to the snapshot.
+- `import` - (Optional)  Use this block to import a QCOW image from Object Storage to create a volume.
+  - `bucket` – (Required) The name of the bucket containing the QCOW file. 
+  - `key` – (Required) The key of the QCOW file within the bucket.
+- `export` - (Optional) Use this block to export the volume as a QCOW file to Object Storage.
+  - `bucket` – (Required) The name of the bucket where the QCOW file will be saved. 
+  - `key` – (Required) The desired key (path) for the QCOW file within the bucket.
 
 ## Attributes Reference
 

internal/services/block/snapshot.go

@@ -86,14 +86,12 @@ func ResourceSnapshot() *schema.Resource {
 			},
 			"export": {
 				Type:     schema.TypeList,
-				ForceNew: true,
 				MaxItems: 1,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"bucket": {
 							Type:             schema.TypeString,
 							Required:         true,
-							ForceNew:         true,
 							Description:      "Bucket containing qcow",
 							DiffSuppressFunc: dsf.Locality,
 							StateFunc: func(i any) string {
@@ -103,7 +101,6 @@ func ResourceSnapshot() *schema.Resource {
 						"key": {
 							Type:        schema.TypeString,
 							Required:    true,
-							ForceNew:    true,
 							Description: "Key of the qcow file in the specified bucket",
 						},
 					},
@@ -239,7 +236,7 @@ func ResourceBlockSnapshotUpdate(ctx context.Context, d *schema.ResourceData, m
 		return diag.FromErr(err)
 	}
 
-	if _, shouldExport := d.GetOk("export"); shouldExport {
+	if shouldExport := d.HasChange("export"); shouldExport {
 		req := block.ExportSnapshotToObjectStorageRequest{
 			Zone:       zone,
 			SnapshotID: snapshot.ID,

internal/services/block/snapshot_test.go

@@ -102,17 +102,24 @@ func TestAccSnapshot_ToS3(t *testing.T) {
 		Steps: []resource.TestStep{
 			{
 				Config: fmt.Sprintf(`
+					resource scaleway_block_volume main {
+						iops = 5000
+						size_in_gb = 10
+					}
+
 					resource "scaleway_object_bucket" "snapshot-bucket" {
 					  name = "%s"
 					}
 					
 					resource "scaleway_object" "qcow-object" {
 					  bucket = scaleway_object_bucket.snapshot-bucket.name
 					  key    = "test-acc-export-block-snapshot-qcow2"
+					  content = "test"
 					}
 
 					resource "scaleway_block_snapshot" "qcow-block-snapshot" {
-					  name = "test-acc-block-snapshot-qcow2"
+					  name = "test-acc-export-block-snapshot-qcow2"
+					  volume_id = scaleway_block_volume.main.id
 					  export {
 					    bucket = scaleway_object.qcow-object.bucket
 					    key    = scaleway_object.qcow-object.key
@@ -126,6 +133,59 @@ func TestAccSnapshot_ToS3(t *testing.T) {
 					objectchecks.TestAccCheckObjectExists(tt, "scaleway_object.qcow-object"),
 				),
 			},
+			{
+				Config: fmt.Sprintf(`
+					resource scaleway_block_volume main {
+						iops = 5000
+						size_in_gb = 10
+					}
+
+					resource "scaleway_object_bucket" "snapshot-bucket" {
+					  name = "%s"
+					}
+					
+					resource "scaleway_object" "qcow-object" {
+					  bucket = scaleway_object_bucket.snapshot-bucket.name
+					  key    = "test-acc-export-block-snapshot-qcow2"
+					  content = "test"
+					}
+
+					resource "scaleway_block_snapshot" "qcow-block-export-snapshot" {
+					  name = "test-acc-export-block-snapshot-qcow2"
+					  volume_id = scaleway_block_volume.main.id
+					  export {
+					    bucket = scaleway_object.qcow-object.bucket
+					    key    = scaleway_object.qcow-object.key
+					  }
+					}
+
+					resource "scaleway_block_snapshot" "qcow-block-import-snapshot" {
+					  name = "test-acc-block-snapshot-qcow2"
+					  import {
+					    bucket = scaleway_object.qcow-object.bucket
+					    key    = scaleway_object.qcow-object.key
+					  }
+					}
+
+					resource scaleway_block_volume new-volume {
+						name = "test-block-volume-from-snapshot"
+						iops = 5000
+						snapshot_id = scaleway_block_snapshot.qcow-block-import-snapshot.id
+					}
+
+				`, bucketName),
+				Check: resource.ComposeTestCheckFunc(
+					blocktestfuncs.IsSnapshotPresent(tt, "scaleway_block_snapshot.qcow-block-export-snapshot"),
+					acctest.CheckResourceAttrUUID("scaleway_block_snapshot.qcow-block-export-snapshot", "id"),
+					resource.TestCheckResourceAttr("scaleway_block_snapshot.qcow-block-export-snapshot", "name", "test-acc-export-block-snapshot-qcow2"),
+					objectchecks.TestAccCheckObjectExists(tt, "scaleway_object.qcow-object"),
+					blocktestfuncs.IsSnapshotPresent(tt, "scaleway_block_snapshot.qcow-block-import-snapshot"),
+					acctest.CheckResourceAttrUUID("scaleway_block_snapshot.qcow-block-import-snapshot", "id"),
+					resource.TestCheckResourceAttr("scaleway_block_volume.new-volume", "size_in_gb", "10"),
+					resource.TestCheckResourceAttr("scaleway_block_volume.new-volume", "iops", "5000"),
+					resource.TestCheckResourceAttrPair("scaleway_block_volume.new-volume", "snapshot_id", "scaleway_block_snapshot.qcow-block-import-snapshot", "id"),
+				),
+			},
 		},
 	})
 }