fix: healing delete marker on versioned buckets (#10530)

Healing was not working correctly in the distributed mode because
errFileVersionNotFound was not properly converted in storage rest
client.

Besides, fixing the healing delete marker is not working as expected.

cmd/erasure-healing.go

@@ -265,7 +265,7 @@ func (er erasureObjects) healObject(ctx context.Context, bucket string, object s
 			}
 		case errs[i] == errDiskNotFound, dataErrs[i] == errDiskNotFound:
 			driveState = madmin.DriveStateOffline
-		case errs[i] == errFileNotFound, errs[i] == errVolumeNotFound:
+		case errs[i] == errFileNotFound, errs[i] == errFileVersionNotFound, errs[i] == errVolumeNotFound:
 			fallthrough
 		case dataErrs[i] == errFileNotFound, dataErrs[i] == errFileVersionNotFound, dataErrs[i] == errVolumeNotFound:
 			driveState = madmin.DriveStateMissing

cmd/storage-rest-client.go

@@ -75,6 +75,8 @@ func toStorageErr(err error) error {
 		return errVolumeExists
 	case errFileNotFound.Error():
 		return errFileNotFound
+	case errFileVersionNotFound.Error():
+		return errFileVersionNotFound
 	case errFileNameTooLong.Error():
 		return errFileNameTooLong
 	case errFileAccessDenied.Error():

cmd/xl-storage-format-v2.go

@@ -244,14 +244,25 @@ func (z *xlMetaV2) AddVersion(fi FileInfo) error {
 		}
 	}
 
-	dd, err := uuid.Parse(fi.DataDir)
-	if err != nil {
-		return err
+	var dd uuid.UUID
+	if fi.DataDir != "" {
+		dd, err = uuid.Parse(fi.DataDir)
+		if err != nil {
+			return err
+		}
 	}
 
-	ventry := xlMetaV2Version{
-		Type: ObjectType,
-		ObjectV2: &xlMetaV2Object{
+	ventry := xlMetaV2Version{}
+
+	if fi.Deleted {
+		ventry.Type = DeleteType
+		ventry.DeleteMarker = &xlMetaV2DeleteMarker{
+			VersionID: uv,
+			ModTime:   fi.ModTime.UnixNano(),
+		}
+	} else {
+		ventry.Type = ObjectType
+		ventry.ObjectV2 = &xlMetaV2Object{
 			VersionID:          uv,
 			DataDir:            dd,
 			Size:               fi.Size,
@@ -269,27 +280,27 @@ func (z *xlMetaV2) AddVersion(fi FileInfo) error {
 			PartActualSizes:    make([]int64, len(fi.Parts)),
 			MetaSys:            make(map[string][]byte),
 			MetaUser:           make(map[string]string, len(fi.Metadata)),
-		},
-	}
+		}
 
-	for i := range fi.Erasure.Distribution {
-		ventry.ObjectV2.ErasureDist[i] = uint8(fi.Erasure.Distribution[i])
-	}
+		for i := range fi.Erasure.Distribution {
+			ventry.ObjectV2.ErasureDist[i] = uint8(fi.Erasure.Distribution[i])
+		}
 
-	for i := range fi.Parts {
-		ventry.ObjectV2.PartSizes[i] = fi.Parts[i].Size
-		if fi.Parts[i].ETag != "" {
-			ventry.ObjectV2.PartETags[i] = fi.Parts[i].ETag
+		for i := range fi.Parts {
+			ventry.ObjectV2.PartSizes[i] = fi.Parts[i].Size
+			if fi.Parts[i].ETag != "" {
+				ventry.ObjectV2.PartETags[i] = fi.Parts[i].ETag
+			}
+			ventry.ObjectV2.PartNumbers[i] = fi.Parts[i].Number
+			ventry.ObjectV2.PartActualSizes[i] = fi.Parts[i].ActualSize
 		}
-		ventry.ObjectV2.PartNumbers[i] = fi.Parts[i].Number
-		ventry.ObjectV2.PartActualSizes[i] = fi.Parts[i].ActualSize
-	}
 
-	for k, v := range fi.Metadata {
-		if strings.HasPrefix(strings.ToLower(k), ReservedMetadataPrefixLower) {
-			ventry.ObjectV2.MetaSys[k] = []byte(v)
-		} else {
-			ventry.ObjectV2.MetaUser[k] = v
+		for k, v := range fi.Metadata {
+			if strings.HasPrefix(strings.ToLower(k), ReservedMetadataPrefixLower) {
+				ventry.ObjectV2.MetaSys[k] = []byte(v)
+			} else {
+				ventry.ObjectV2.MetaUser[k] = v
+			}
 		}
 	}