From 24cf86e269db643493611b86454965382a21e532 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Thu, 19 Nov 2020 16:53:22 +0300
Subject: [PATCH] [#189] metabase: Implement DumpInfo method

Implement method to get the information about the metabase.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 pkg/local_object_storage/metabase/db.go      | 13 +++++--------
 pkg/local_object_storage/metabase/db_test.go |  4 ++--
 pkg/local_object_storage/metabase/info.go    | 12 ++++++++++++
 3 files changed, 19 insertions(+), 10 deletions(-)
 create mode 100644 pkg/local_object_storage/metabase/info.go

diff --git a/pkg/local_object_storage/metabase/db.go b/pkg/local_object_storage/metabase/db.go
index 5621b51ca..579890938 100644
--- a/pkg/local_object_storage/metabase/db.go
+++ b/pkg/local_object_storage/metabase/db.go
@@ -10,7 +10,7 @@ import (
 
 // DB represents local metabase of storage node.
 type DB struct {
-	path string
+	info Info
 
 	*cfg
 
@@ -41,8 +41,10 @@ func NewDB(opts ...Option) *DB {
 	}
 
 	return &DB{
-		path: c.boltDB.Path(),
-		cfg:  c,
+		info: Info{
+			Path: c.boltDB.Path(),
+		},
+		cfg: c,
 		matchers: map[object.SearchMatchType]func(string, string, string) bool{
 			object.MatchUnknown:     unknownMatcher,
 			object.MatchStringEqual: stringEqualMatcher,
@@ -54,11 +56,6 @@ func (db *DB) Close() error {
 	return db.boltDB.Close()
 }
 
-// Path returns the path to meta database.
-func (db *DB) Path() string {
-	return db.path
-}
-
 func stringEqualMatcher(key, objVal, filterVal string) bool {
 	switch key {
 	default:
diff --git a/pkg/local_object_storage/metabase/db_test.go b/pkg/local_object_storage/metabase/db_test.go
index 4e27f35e9..ea43ad801 100644
--- a/pkg/local_object_storage/metabase/db_test.go
+++ b/pkg/local_object_storage/metabase/db_test.go
@@ -186,7 +186,7 @@ func TestDB_Path(t *testing.T) {
 
 	defer releaseDB(db)
 
-	require.Equal(t, path, db.Path())
+	require.Equal(t, path, db.DumpInfo().Path)
 }
 
 func newDB(t testing.TB) *DB {
@@ -200,7 +200,7 @@ func newDB(t testing.TB) *DB {
 
 func releaseDB(db *DB) {
 	db.Close()
-	os.Remove(db.Path())
+	os.Remove(db.DumpInfo().Path)
 }
 
 func TestSelectNonExistentAttributes(t *testing.T) {
diff --git a/pkg/local_object_storage/metabase/info.go b/pkg/local_object_storage/metabase/info.go
new file mode 100644
index 000000000..906e21209
--- /dev/null
+++ b/pkg/local_object_storage/metabase/info.go
@@ -0,0 +1,12 @@
+package meta
+
+// Info groups the information about DB.
+type Info struct {
+	// Full path to the metabase.
+	Path string
+}
+
+// DumpInfo returns information about the DB.
+func (db *DB) DumpInfo() Info {
+	return db.info
+}