[#373] local storage: Pass parent ID

This is required to add shard ID as metric label.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

pkg/local_object_storage/blobstor/metrics.go

@@ -3,6 +3,7 @@ package blobstor
 import "time"
 
 type Metrics interface {
+	SetParentID(parentID string)
 	SetMode(readOnly bool)
 	Close()
 
@@ -16,6 +17,7 @@ type Metrics interface {
 
 type noopMetrics struct{}
 
+func (m *noopMetrics) SetParentID(string)                      {}
 func (m *noopMetrics) SetMode(bool)                            {}
 func (m *noopMetrics) Close()                                  {}
 func (m *noopMetrics) Delete(time.Duration, bool, bool)        {}