Use tar instead of archive

apps/snapshots.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"os/exec"
 	"path"
 	"strings"
 	"time"
@@ -123,18 +124,6 @@ func (s *SnapshotProcessor) metadataForSnapshotKey(snapshotKey string) (Snapshot
 // Returns key under which is the snapshot stored and/or error if there is any.
 // Metadata about the snapshot are stored in extra object under metadata/ prefix.
 func (s *SnapshotProcessor) CreateSnapshot(appName string, labels []string) (string, error) {
-	// Create an archive
-	archive := archiver.TarZstd{
-		Tar: &archiver.Tar{
-			MkdirAll:               true,
-			ContinueOnError:        true,
-			OverwriteExisting:      false,
-			ImplicitTopLevelFolder: false,
-		},
-		// CompressionLevel:       6,
-		// SelectiveCompression:   true,
-	}
-
 	snapshot := Snapshot{
 		UUID:      uuid.NewV4().String(),
 		AppName:   appName,
@@ -149,7 +138,7 @@ func (s *SnapshotProcessor) CreateSnapshot(appName string, labels []string) (str
 		return snapshot.KeyName(s.IndexLabel), fmt.Errorf("change working directory error: %v", err)
 	}
 
-	err = archive.Archive([]string{"./"}, tmpSnapshotArchivePath)
+	err = exec.Command("/usr/bin/tar", "-acvf", tmpSnapshotArchivePath, "./").Run()
 	if err != nil {
 		return snapshot.KeyName(s.IndexLabel), fmt.Errorf("compression error: %v", err)
 	}