added version 2

Author: StekPerepolnen

ydb/core/viewer/json_handlers_viewer.cpp

@@ -218,7 +218,7 @@ void InitViewerHiveStatsJsonHandler(TJsonHandlers& handlers) {
 }
 
 void InitViewerTenantInfoJsonHandler(TJsonHandlers &handlers) {
-    handlers.AddHandler("/viewer/tenantinfo", new TJsonHandler<TJsonTenantInfo>(TJsonTenantInfo::GetSwagger()));
+    handlers.AddHandler("/viewer/tenantinfo", new TJsonHandler<TJsonTenantInfo>(TJsonTenantInfo::GetSwagger()), 2);
 }
 
 void InitViewerWhoAmIJsonHandler(TJsonHandlers& handlers) {

ydb/core/viewer/protos/viewer.proto

@@ -392,6 +392,7 @@ message TTenants {
 message TTenantInfo {
     repeated TTenant TenantInfo = 1;
     repeated string Errors = 2;
+    uint32 Version = 3;
 }
 
 message TStoragePDisk {

ydb/core/viewer/viewer_tenantinfo.h

@@ -564,6 +564,7 @@ class TJsonTenantInfo : public TViewerPipeClient {
 
     void ReplyAndPassAway() override {
         BLOG_TRACE("ReplyAndPassAway() started");
+        Result.SetVersion(2);
         TIntrusivePtr<TDomainsInfo> domains = AppData()->DomainsInfo;
         auto *domain = domains->GetDomain();
         THashMap<TString, NKikimrViewer::EFlag> OverallByDomainId;