YT-22943: add context for system errors

* thrown system errors contain context (i.e. host method and request id that produced error)
Type: feature
Component: cpp-sdk
commit_hash:af72a3a37785e9e373e816c2cc072df2076f821d

2 files changed, 25 insertions, 18 deletions

diff --git a/yt/cpp/mapreduce/interface/errors.cpp b/yt/cpp/mapreduce/interface/errors.cpp
index ef3d2db4a3..0819c8ca56 100644
--- a/yt/cpp/mapreduce/interface/errors.cpp
+++ b/yt/cpp/mapreduce/interface/errors.cpp
@@ -20,20 +20,11 @@ using namespace NJson;
 
 static void WriteErrorDescription(const TYtError& error, IOutputStream* out)
 {
-    (*out) << '\'' << error.GetMessage() << '\'';
+    (*out) << error.GetMessage();
     const auto& innerErrorList = error.InnerErrors();
     if (!innerErrorList.empty()) {
-        (*out) << " { ";
-        bool first = true;
-        for (const auto& innerError : innerErrorList) {
-            if (first) {
-                first = false;
-            } else {
-                (*out) << " ; ";
-            }
-            WriteErrorDescription(innerError, out);
-        }
-        (*out) << " }";
+        (*out) << ": ";
+        WriteErrorDescription(innerErrorList[0], out);
     }
 }
 
@@ -118,9 +109,11 @@ TYtError::TYtError(const TString& message)
     , Message_(message)
 { }
 
-TYtError::TYtError(int code, const TString& message)
+TYtError::TYtError(int code, TString message, TVector<TYtError> innerError, TNode::TMapType attributes)
     : Code_(code)
     , Message_(message)
+    , InnerErrors_(innerError)
+    , Attributes_(attributes)
 { }
 
 TYtError::TYtError(const TJsonValue& value)
@@ -396,6 +389,11 @@ void TErrorResponse::Setup()
     *this << Error_.FullDescription();
 }
 
+TTransportError::TTransportError(TYtError error)
+{
+    *this << error.FullDescription();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 TOperationFailedError::TOperationFailedError(
diff --git a/yt/cpp/mapreduce/interface/errors.h b/yt/cpp/mapreduce/interface/errors.h
index afad58ed72..1311dbcf3d 100644
--- a/yt/cpp/mapreduce/interface/errors.h
+++ b/yt/cpp/mapreduce/interface/errors.h
@@ -6,14 +6,14 @@
 /// Errors and exceptions emitted by library.
 
 #include "fwd.h"
-#include "common.h"
 
 #include <library/cpp/yson/node/node.h>
 
 #include <util/generic/bt_exception.h>
-#include <util/generic/yexception.h>
+#include <util/generic/guid.h>
 #include <util/generic/string.h>
 #include <util/generic/vector.h>
+#include <util/generic/yexception.h>
 
 namespace NJson {
     class TJsonValue;
@@ -67,8 +67,8 @@ public:
     /// Constructs error with NYT::NClusterErrorCodes::Generic code and given message.
     explicit TYtError(const TString& message);
 
-    /// Constructs error with given code and given message.
-    TYtError(int code, const TString& message);
+    /// Constructs error from given parameters.
+    TYtError(int code, TString message, TVector<TYtError> inner = {}, TNode::TMapType attributes = {});
 
     /// Construct error from json representation.
     TYtError(const ::NJson::TJsonValue& value);
@@ -158,7 +158,6 @@ class TErrorResponse
 {
 public:
     TErrorResponse(int httpCode, const TString& requestId);
-    TErrorResponse(int httpCode, TYtError error);
 
     /// Get error object returned by server.
     const TYtError& GetError() const;
@@ -222,6 +221,16 @@ private:
 
 ////////////////////////////////////////////////////////////////////////////////
 
+/// @brief System error indicating that response from server cannot be received
+class TTransportError
+    : public yexception
+{
+public:
+    explicit TTransportError(TYtError error);
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
 /// Info about failed jobs.
 ///
 /// @see NYT::TOperationFailedError