[v2,3/3] dts: store stderr in RemoteCommandExecutionError

Message ID 20240318171704.798634-4-luca.vizzarro@arm.com (mailing list archive)
State Superseded
Delegated to: Thomas Monjalon
Headers
Series dts: error and usage improvements |

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Commit Message

Luca Vizzarro March 18, 2024, 5:17 p.m. UTC
  Store the stderr of an executed command in RemoteCommandExecutionError.
Consequently, when the exception is logged the error message includes
the stderr.

Signed-off-by: Luca Vizzarro <luca.vizzarro@arm.com>
Reviewed-by: Paul Szczepanek <paul.szczepanek@arm.com>
Reviewed-by: Jack Bond-Preston <jack.bond-preston@arm.com>
---
 dts/framework/exception.py                     | 13 ++++++++++---
 dts/framework/remote_session/remote_session.py |  3 ++-
 2 files changed, 12 insertions(+), 4 deletions(-)
  

Patch

diff --git a/dts/framework/exception.py b/dts/framework/exception.py
index cce1e0231a..50724acdf2 100644
--- a/dts/framework/exception.py
+++ b/dts/framework/exception.py
@@ -2,6 +2,7 @@ 
 # Copyright(c) 2010-2014 Intel Corporation
 # Copyright(c) 2022-2023 PANTHEON.tech s.r.o.
 # Copyright(c) 2022-2023 University of New Hampshire
+# Copyright(c) 2024 Arm Limited
 
 """DTS exceptions.
 
@@ -129,21 +130,27 @@  class RemoteCommandExecutionError(DTSError):
     severity: ClassVar[ErrorSeverity] = ErrorSeverity.REMOTE_CMD_EXEC_ERR
     #: The executed command.
     command: str
+    _command_stderr: str
     _command_return_code: int
 
-    def __init__(self, command: str, command_return_code: int):
+    def __init__(self, command: str, command_return_code: int, command_stderr: str):
         """Define the meaning of the first two arguments.
 
         Args:
             command: The executed command.
             command_return_code: The return code of the executed command.
+            command_stderr: The stderr of the executed command.
         """
         self.command = command
         self._command_return_code = command_return_code
+        self._command_stderr = command_stderr
 
     def __str__(self) -> str:
-        """Include both the command and return code in the string representation."""
-        return f"Command {self.command} returned a non-zero exit code: {self._command_return_code}"
+        """Include the command, its return code and stderr in the string representation."""
+        return (
+            f"Command '{self.command}' returned a non-zero exit code: "
+            f"{self._command_return_code}\nStderr: {self._command_stderr}"
+        )
 
 
 class InteractiveCommandExecutionError(DTSError):
diff --git a/dts/framework/remote_session/remote_session.py b/dts/framework/remote_session/remote_session.py
index ad0f53720a..9aaa8c8a04 100644
--- a/dts/framework/remote_session/remote_session.py
+++ b/dts/framework/remote_session/remote_session.py
@@ -2,6 +2,7 @@ 
 # Copyright(c) 2010-2014 Intel Corporation
 # Copyright(c) 2022-2023 PANTHEON.tech s.r.o.
 # Copyright(c) 2022-2023 University of New Hampshire
+# Copyright(c) 2024 Arm Limited
 
 """Base remote session.
 
@@ -172,7 +173,7 @@  def send_command(
             )
             self._logger.debug(f"stdout: '{result.stdout}'")
             self._logger.debug(f"stderr: '{result.stderr}'")
-            raise RemoteCommandExecutionError(command, result.return_code)
+            raise RemoteCommandExecutionError(command, result.return_code, result.stderr)
         self._logger.debug(f"Received from '{command}':\n{result}")
         self.history.append(result)
         return result