[Filestore] Add logs for endpoints restoration (#2812)

* [Filestore] Add logs for endpoints restoration

* fix log message

Author: antonmyagkov

cloud/filestore/libs/endpoint/endpoint_manager.cpp

@@ -197,6 +197,7 @@ private:                                                                       \
 
         TVector<TFuture<void>> futures;
         for (auto endpointId: storedIds) {
+            STORAGE_INFO("Restoring endpoint, ID: " << endpointId.Quote());
             auto requestOrError = Storage->GetEndpoint(endpointId);
             if (HasError(requestOrError)) {
                 STORAGE_WARN("Failed to restore endpoint. ID: " << endpointId
@@ -253,6 +254,9 @@ private:                                                                       \
                 Storage->RemoveEndpoint(endpointId);
             }
         }
+        else {
+            STORAGE_INFO("Endpoint was restored. ID: " << endpointId.Quote());
+        }
     }
 
     void AddStartingSocket(

cloud/filestore/libs/storage/service/service_actor_createsession.cpp

@@ -216,6 +216,13 @@ void TCreateSessionActor::HandleDescribeFileStoreResponse(
 
     if (FAILED(msg->GetStatus())) {
         if (GetErrorKind(msg->GetError()) != EErrorKind::ErrorRetriable) {
+            LOG_ERROR(
+                ctx,
+                TFileStoreComponents::SERVICE_WORKER,
+                "%s Failed to describe filestore %s Error: %s",
+                LogTag().c_str(),
+                FileSystemId.c_str(),
+                FormatError(msg->GetError()).c_str());
             ReportDescribeFileStoreError();
         }