def on_failure(self, exc_info):
"""The handler used if the task raised an exception."""
state.task_ready(self)
if self.task.acks_late:
self.acknowledge()
self.send_event("task-failed", uuid=self.task_id,
exception=repr(exc_info.exception),
traceback=exc_info.traceback)
context = {"hostname": self.hostname,
"id": self.task_id,
"name": self.task_name,
"exc": repr(exc_info.exception),
"traceback": unicode(exc_info.traceback, 'utf-8'),
"args": self.args,
"kwargs": self.kwargs}
self.logger.error(self.error_msg.strip() % context)
task_obj = tasks.get(self.task_name, object)
send_error_email = conf.CELERY_SEND_TASK_ERROR_EMAILS and not \
task_obj.disable_error_emails and not any(
isinstance(exc_info.exception, whexc)
for whexc in
conf.CELERY_TASK_ERROR_WHITELIST)
if send_error_email:
subject = self.email_subject.strip() % context
body = self.email_body.strip() % context
mail_admins(subject, body, fail_silently=True)
def waiting(self):
"""Is the taskset waiting?
:returns: :const:`True` if any of the tasks in the taskset is still
waiting for execution.
"""
return any(not subtask.ready() for subtask in self.itersubtasks())
def waiting(self):
"""Is the taskset waiting?
:returns: :const:`True` if any of the tasks in the taskset is still
waiting for execution.
"""
return any(not subtask.ready() for subtask in self.itersubtasks())
def failed(self):
"""Did the taskset fail?
:returns: :const:`True` if any of the tasks in the taskset failed.
(i.e., raised an exception)
"""
return any(subtask.failed() for subtask in self.itersubtasks())
def failed(self):
"""Did the taskset fail?
:returns: :const:`True` if any of the tasks in the taskset failed.
(i.e., raised an exception)
"""
return any(subtask.failed() for subtask in self.itersubtasks())
def waiting(self):
"""Are any of the tasks incomplete?
:returns: :const:`True` if any of the tasks is still
waiting for execution.
"""
return any(not result.ready() for result in self.results)
def failed(self):
"""Did any of the tasks fail?
:returns: :const:`True` if any of the tasks failed.
(i.e., raised an exception)
"""
return any(result.failed() for result in self.results)
def start(self, argv, cmd):
self.splash()
p = NamespacedOptionParser(argv)
self.with_detacher_default_options(p)
retcodes = []
self.note("> Starting nodes...")
for nodename, argv, _ in multi_args(p, cmd):
self.note("\t> %s: " % (nodename, ), newline=False)
retcode = self.waitexec(argv)
self.note(retcode and self.FAILED or self.OK)
retcodes.append(retcode)
self.retcode = int(any(retcodes))
def start(self, argv, cmd):
self.splash()
p = NamespacedOptionParser(argv)
self.with_detacher_default_options(p)
retcodes = []
self.note("> Starting nodes...")
for nodename, argv, _ in multi_args(p, cmd):
self.note("\t> %s: " % (nodename, ), newline=False)
retcode = self.waitexec(argv)
self.note(retcode and self.FAILED or self.OK)
retcodes.append(retcode)
self.retcode = int(any(retcodes))
def restart(self, argv, cmd):
self.splash()
p = NamespacedOptionParser(argv)
self.with_detacher_default_options(p)
retvals = []
def on_node_shutdown(nodename, argv, pid):
self.note(self.colored.blue("> Restarting node %s: " % nodename),
newline=False)
retval = self.waitexec(argv)
self.note(retval and self.FAILED or self.OK)
retvals.append(retval)
self._stop_nodes(p, cmd, retry=2, callback=on_node_shutdown)
self.retval = int(any(retvals))
def restart(self, argv, cmd):
self.splash()
p = NamespacedOptionParser(argv)
self.with_detacher_default_options(p)
retvals = []
def on_node_shutdown(nodename, argv, pid):
self.note(self.colored.blue(
"> Restarting node %s: " % nodename), newline=False)
retval = self.waitexec(argv)
self.note(retval and self.FAILED or self.OK)
retvals.append(retval)
self._stop_nodes(p, cmd, retry=2, callback=on_node_shutdown)
self.retval = int(any(retvals))