Killing timeouted processes

Author: mikicz

arca/backend/base.py

@@ -165,7 +165,11 @@ def run(self, repo: str, branch: str, task: Task, git_repo: Repo, repo_path: Pat
                                        stderr=subprocess.PIPE,
                                        cwd=cwd)
 
-            out_stream, err_stream = process.communicate(timeout=task.timeout)
+            try:
+                out_stream, err_stream = process.communicate(timeout=task.timeout)
+            except subprocess.TimeoutExpired:
+                process.kill()
+                raise BuildTimeoutError(f"The task timeouted after {task.timeout} seconds.")
 
             out_output = out_stream.decode("utf-8")
             err_output = err_stream.decode("utf-8")
@@ -174,9 +178,7 @@ def run(self, repo: str, branch: str, task: Task, git_repo: Repo, repo_path: Pat
             logger.debug(out_output)
 
             return Result(out_output)
-        except subprocess.TimeoutExpired:
-            raise BuildTimeoutError(f"The task timeouted after {task.timeout} seconds.")
-        except BuildError:  # can be raised by  :meth:`Result.__init__`
+        except BuildError:  # can be raised by  :meth:`Result.__init__` or by timeout
             raise
         except Exception as e:
             logger.exception(e)

arca/backend/current_environment.py

@@ -79,6 +79,7 @@ def install_requirements(self, *, path: Optional[Path] = None, requirements: Opt
         try:
             out_stream, err_stream = process.communicate(timeout=self.requirements_timeout)
         except subprocess.TimeoutExpired:
+            process.kill()
             raise BuildTimeoutError(f"Installing of requirements timeouted after {self.requirements_timeout} seconds.")
 
         out_stream = out_stream.decode("utf-8")

arca/backend/venv.py

@@ -69,6 +69,7 @@ def get_or_create_venv(self, path: Path) -> Path:
                 try:
                     out_stream, err_stream = process.communicate(timeout=self.requirements_timeout)
                 except subprocess.TimeoutExpired:
+                    process.kill()
                     shutil.rmtree(venv_path, ignore_errors=True)
 
                     raise BuildTimeoutError(f"Installing of requirements timeouted after "