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master: finer control of worker exception reporting. Closes #233

This commit is contained in:
Sebastien Bourdeauducq 2016-01-23 21:23:02 -05:00
parent dae63bd10c
commit cc6b808bf8
4 changed files with 38 additions and 15 deletions

View File

@ -6,7 +6,8 @@ import logging
from functools import partial
from artiq.protocols.sync_struct import Notifier
from artiq.master.worker import Worker
from artiq.master.worker import (Worker, WorkerInternalException,
log_worker_exception)
from artiq.tools import get_windows_drives, exc_to_warning
@ -21,6 +22,9 @@ async def _get_repository_entries(entry_dict,
})
try:
description = await worker.examine(os.path.join(root, filename))
except:
log_worker_exception()
raise
finally:
await worker.close()
for class_name, class_desc in description.items():
@ -55,8 +59,9 @@ async def _scan_experiments(root, get_device_db, log, subdir=""):
try:
await _get_repository_entries(
entry_dict, root, filename, get_device_db, log)
except:
logger.warning("Skipping file '%s'", filename, exc_info=True)
except Exception as exc:
logger.warning("Skipping file '%s'", filename,
exc_info=not isinstance(exc, WorkerInternalException))
if de.is_dir():
subentries = await _scan_experiments(
root, get_device_db, log,

View File

@ -3,7 +3,7 @@ import logging
from enum import Enum
from time import time
from artiq.master.worker import Worker
from artiq.master.worker import Worker, log_worker_exception
from artiq.tools import asyncio_wait_or_cancel, TaskObject, Condition
from artiq.protocols.sync_struct import Notifier
@ -231,7 +231,7 @@ class PrepareStage(TaskObject):
except:
logger.error("got worker exception in prepare stage, "
"deleting RID %d", run.rid)
logger.error("worker exception details", exc_info=True)
log_worker_exception()
self.delete_cb(run.rid)
else:
run.status = RunStatus.prepare_done
@ -281,7 +281,7 @@ class RunStage(TaskObject):
except:
logger.error("got worker exception in run stage, "
"deleting RID %d", run.rid)
logger.error("worker exception details", exc_info=True)
log_worker_exception()
self.delete_cb(run.rid)
else:
if completed:
@ -319,7 +319,7 @@ class AnalyzeStage(TaskObject):
except:
logger.error("got worker exception in analyze stage, "
"deleting RID %d", run.rid)
logger.error("worker exception details", exc_info=True)
log_worker_exception()
self.delete_cb(run.rid)
else:
self.delete_cb(run.rid)

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@ -25,6 +25,20 @@ class WorkerError(Exception):
pass
class WorkerInternalException(Exception):
"""Exception raised inside the worker, information has been printed
through logging."""
pass
def log_worker_exception():
exc, _, _ = sys.exc_info()
if exc is WorkerInternalException:
logger.debug("worker exception details", exc_info=True)
else:
logger.error("worker exception details", exc_info=True)
class Worker:
def __init__(self, handlers=dict(), send_timeout=0.5):
self.handlers = handlers
@ -167,6 +181,8 @@ class Worker:
return True
elif action == "pause":
return False
elif action == "exception":
raise WorkerInternalException
elif action == "create_watchdog":
func = self.create_watchdog
elif action == "delete_watchdog":

View File

@ -264,15 +264,17 @@ def main():
put_object({"action": "completed"})
elif action == "terminate":
break
except CompileError:
pass
except Exception as exc:
# When we get CompileError, a more suitable diagnostic has already
# been printed.
if not isinstance(exc, CompileError):
lines = ["Terminating with exception\n"]
lines += traceback.format_exception_only(type(exc), exc)
if hasattr(exc, "parent_traceback"):
lines += exc.parent_traceback
logging.error("".join(lines).rstrip(),
exc_info=not hasattr(exc, "parent_traceback"))
put_object({"action": "exception"})
finally:
device_mgr.close_devices()