kaxil commented on code in PR #44427:
URL: https://github.com/apache/airflow/pull/44427#discussion_r1861058287
##########
airflow/executors/local_executor.py:
##########
@@ -83,88 +75,47 @@ def _run_worker(
)
break
- if item is None:
+ if workload is None:
# Received poison pill, no more tasks to run
return
# Decrement this as soon as we pick up a message off the queue
with unread_messages:
unread_messages.value -= 1
+ key = None
+ if ti := getattr(workload, "ti", None):
+ key = ti.key
+ else:
+ raise TypeError(f"Don't know how to get ti key from
{type(workload).__name__}")
- (key, command) = item
try:
- state = _execute_work(log, key, command)
+ _execute_work(log, workload)
- output.put((key, state, None))
+ output.put((key, TaskInstanceState.SUCCESS, None))
except Exception as e:
+ log.exception("uhoh")
output.put((key, TaskInstanceState.FAILED, e))
-def _execute_work(log: logging.Logger, key: TaskInstanceKey, command:
CommandType) -> TaskInstanceState:
+def _execute_work(log: logging.Logger, workload: workloads.ExecuteTask) ->
None:
"""
Execute command received and stores result state in queue.
:param key: the key to identify the task instance
:param command: the command to execute
"""
- setproctitle(f"airflow worker -- LocalExecutor: {command}")
- dag_id, task_id = BaseExecutor.validate_airflow_tasks_run_command(command)
- try:
- with _airflow_parsing_context_manager(dag_id=dag_id, task_id=task_id):
- if settings.EXECUTE_TASKS_NEW_PYTHON_INTERPRETER:
- return _execute_work_in_subprocess(log, command)
- else:
- return _execute_work_in_fork(log, command)
- finally:
- # Remove the command since the worker is done executing the task
- setproctitle("airflow worker -- LocalExecutor: <idle>")
-
-
-def _execute_work_in_subprocess(log: logging.Logger, command: CommandType) ->
TaskInstanceState:
- try:
- subprocess.check_call(command, close_fds=True)
- return TaskInstanceState.SUCCESS
- except subprocess.CalledProcessError as e:
- log.error("Failed to execute task %s.", e)
- return TaskInstanceState.FAILED
-
-
-def _execute_work_in_fork(log: logging.Logger, command: CommandType) ->
TaskInstanceState:
- pid = os.fork()
- if pid:
- # In parent, wait for the child
- pid, ret = os.waitpid(pid, 0)
- return TaskInstanceState.SUCCESS if ret == 0 else
TaskInstanceState.FAILED
-
- from airflow.sentry import Sentry
-
- ret = 1
- try:
- import signal
-
- from airflow.cli.cli_parser import get_parser
-
- signal.signal(signal.SIGINT, signal.SIG_IGN)
- signal.signal(signal.SIGTERM, signal.SIG_DFL)
- signal.signal(signal.SIGUSR2, signal.SIG_DFL)
+ from airflow.sdk.execution_time.supervisor import supervise
- parser = get_parser()
- # [1:] - remove "airflow" from the start of the command
- args = parser.parse_args(command[1:])
- args.shut_down_logging = False
-
- setproctitle(f"airflow task supervisor: {command}")
-
- args.func(args)
- ret = 0
- return TaskInstanceState.SUCCESS
- except Exception as e:
- log.exception("Failed to execute task %s.", e)
- return TaskInstanceState.FAILED
- finally:
- Sentry.flush()
- logging.shutdown()
- os._exit(ret)
+ setproctitle(f"airflow worker -- LocalExecutor: {workload.ti.id}")
+ # This will return the exit code of the task process, but we don't care
about that, just if the
+ # _supervisor_ had an error reporting the state back (which will result in
an exception.)
+ supervise(
+ ti=workload.ti,
+ dag_path=workload.dag_path,
+ token=workload.token,
+ server="http://localhost:9091/execution/";,
Review Comment:
Probably, but `port` could change if there are other things on the box?
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