[#1840] blobstor: Return `Path` from components

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>

pkg/local_object_storage/blobstor/blobovniczatree/blobovnicza.go

@@ -237,6 +237,11 @@ func (b *Blobovniczas) Type() string {
 	return Type
 }
 
+// Path implements common.Storage.
+func (b *Blobovniczas) Path() string {
+	return b.rootPath
+}
+
 // SetCompressor implements common.Storage.
 func (b *Blobovniczas) SetCompressor(cc *compression.Config) {
 	b.compression = cc

pkg/local_object_storage/blobstor/common/storage.go

@@ -10,6 +10,7 @@ type Storage interface {
 	Close() error
 
 	Type() string
+	Path() string
 	SetCompressor(cc *compression.Config)
 
 	Get(GetPrm) (GetRes, error)

pkg/local_object_storage/blobstor/fstree/fstree.go

@@ -347,6 +347,11 @@ func (*FSTree) Type() string {
 	return Type
 }
 
+// Path implements common.Storage.
+func (t *FSTree) Path() string {
+	return t.RootPath
+}
+
 // SetCompressor implements common.Storage.
 func (t *FSTree) SetCompressor(cc *compression.Config) {
 	t.Config = cc