NBSNEBIUS-36: use tmp file for endpoint storage (#133)

Co-authored-by: Aleksandr Rigachnyi <[email protected]>
ydb-platform · Jan 15, 2024 · 8d65cf2 · 8d65cf2
1 parent 0606bbf
commit 8d65cf2
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/cloud/storage/core/libs/keyring/endpoints.cpp b/cloud/storage/core/libs/keyring/endpoints.cpp
@@ -9,6 +9,7 @@
 #include <util/string/strip.h>
 #include <util/system/file.h>
 #include <util/system/mutex.h>
+#include <util/system/tempfile.h>
 
 namespace NCloud {
 
@@ -165,9 +166,10 @@ class TFileStorage final
         TGuard guard(Mutex);
 
         auto id = GetFreeId();
-        auto filepath = DirPath.Child(ToString(id));
-        TFile file(filepath, EOpenModeFlag::CreateAlways);
-        TFileOutput(file).Write(endpointSpec);
+        TFsPath tmpFilePath(MakeTempName(nullptr, "endpoint"));
+        TFileOutput(tmpFilePath).Write(endpointSpec);
+        tmpFilePath.ForceRenameTo(DirPath.Child(ToString(id)));
+
         return id;
     }