[#653] Add context parameter to Open functions

Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>

pkg/local_object_storage/blobstor/control.go

@@ -1,6 +1,7 @@
 package blobstor
 
 import (
+	"context"
 	"errors"
 	"fmt"
 
@@ -9,10 +10,15 @@ import (
 )
 
 // Open opens BlobStor.
-func (b *BlobStor) Open(readOnly bool) error {
+func (b *BlobStor) Open(ctx context.Context, readOnly bool) error {
 	b.log.Debug(logs.BlobstorOpening)
 
 	for i := range b.storage {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+		}
 		err := b.storage[i].Storage.Open(readOnly)
 		if err != nil {
 			return err