allow skipping errors while creating snowball archive (#1868)

api-putobject-snowball.go

@@ -48,6 +48,10 @@ type SnowballOptions struct {
 	// Compression will typically reduce memory and network usage,
 	// Compression can safely be enabled with MinIO hosts.
 	Compress bool
+
+	// SkipErrs if enabled will skip any errors while reading the
+	// object content while creating the snowball archive
+	SkipErrs bool
 }
 
 // SnowballObject contains information about a single object to be added to the snowball.
@@ -184,10 +188,16 @@ objectLoop:
 			n, err := io.Copy(t, obj.Content)
 			if err != nil {
 				closeObj()
+				if opts.SkipErrs {
+					continue
+				}
 				return err
 			}
 			if n != obj.Size {
 				closeObj()
+				if opts.SkipErrs {
+					continue
+				}
 				return io.ErrUnexpectedEOF
 			}
 			closeObj()