[Filestore] Add stat command to filestore client

cloud/filestore/apps/client/lib/factory.cpp

@@ -31,6 +31,7 @@ TCommandPtr NewWriteCommand();
 TCommandPtr NewExecuteActionCommand();
 TCommandPtr NewCreateSessionCommand();
 TCommandPtr NewResetSessionCommand();
+TCommandPtr NewStatCommand();
 
 ////////////////////////////////////////////////////////////////////////////////
 
@@ -60,6 +61,7 @@ static const TMap<TString, TFactoryFunc> Commands = {
     { "executeaction", NewExecuteActionCommand },
     { "createsession", NewCreateSessionCommand },
     { "resetsession", NewResetSessionCommand },
+    { "stat", NewStatCommand },
 };
 
 ////////////////////////////////////////////////////////////////////////////////

cloud/filestore/apps/client/lib/stat.cpp

@@ -0,0 +1,74 @@
+#include "command.h"
+
+#include <cloud/filestore/public/api/protos/fs.pb.h>
+
+#include <util/datetime/base.h>
+#include <util/stream/file.h>
+#include <util/system/sysstat.h>
+
+namespace NCloud::NFileStore::NClient {
+
+namespace {
+
+////////////////////////////////////////////////////////////////////////////////
+
+void PrintNodeAttributes(IOutputStream& out, const NProto::TNodeAttr& nodeAttr)
+{
+    out << "Node Id:   " << nodeAttr.GetId() << Endl;
+    out << "Node Type: " << nodeAttr.GetType() << Endl;
+    out << "Mode:      " << nodeAttr.GetMode() << Endl;
+    out << "Uid:       " << nodeAttr.GetUid() << Endl;
+    out << "Gid:       " << nodeAttr.GetGid() << Endl;
+    out << "Access:    " << TInstant::FromValue(nodeAttr.GetATime()) << Endl;
+    out << "Modify:    " << TInstant::FromValue(nodeAttr.GetMTime()) << Endl;
+    out << "Change:    " << TInstant::FromValue(nodeAttr.GetCTime()) << Endl;
+    out << "File Size: " << nodeAttr.GetSize() << Endl;
+    out << "Links:     " << nodeAttr.GetLinks() << Endl;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+class TStatCommand final: public TFileStoreCommand
+{
+private:
+    TString Path;
+
+public:
+    TStatCommand()
+    {
+        Opts.AddLongOption("path")
+            .Required()
+            .RequiredArgument("PATH")
+            .StoreResult(&Path);
+    }
+
+    bool Execute() override
+    {
+        CreateSession();
+
+        const auto resolved = ResolvePath(Path, false);
+        Y_ENSURE(!resolved.empty(), "resolved path is empty");
+
+        auto request = CreateRequest<NProto::TGetNodeAttrRequest>();
+        request->SetNodeId(resolved.back().Node.GetId());
+        auto response = WaitFor(
+            Client->GetNodeAttr(PrepareCallContext(), std::move(request)));
+
+        CheckResponse(response);
+
+        PrintNodeAttributes(Cout, response.GetNode());
+
+        return true;
+    }
+};
+
+}   // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+
+TCommandPtr NewStatCommand()
+{
+    return std::make_shared<TStatCommand>();
+}
+
+}   // namespace NCloud::NFileStore::NClient

cloud/filestore/apps/client/lib/ya.make

@@ -23,6 +23,7 @@ SRCS(
     resize.cpp
     rm.cpp
     start_endpoint.cpp
+    stat.cpp
     stop_endpoint.cpp
     text_table.cpp
     touch.cpp