def on_worker_event(machine_id: UUID, event: WorkerEvent) -> func.HttpResponse:
if event.running:
task_id = event.running.task_id
elif event.done:
task_id = event.done.task_id
task = get_task_checked(task_id)
node = get_node_checked(machine_id)
node_task = NodeTasks(machine_id=machine_id,
task_id=task_id,
state=NodeTaskState.running)
if event.running:
if task.state not in TaskState.shutting_down():
task.state = TaskState.running
if node.state not in NodeState.ready_for_reset():
node.state = NodeState.busy
node_task.save()
task.on_start()
elif event.done:
# Only record exit status if the task isn't already shutting down.
#
# It's ok for the agent to fail because resources vanish out from underneath
# it during deletion.
if task.state not in TaskState.shutting_down():
exit_status = event.done.exit_status
if not exit_status.success:
logging.error("task failed: status = %s", exit_status)
task.error = Error(
code=ErrorCode.TASK_FAILED,
errors=[
"task failed. exit_status = %s" % exit_status,
event.done.stdout,
event.done.stderr,
],
)
task.state = TaskState.stopping
if node.state not in NodeState.ready_for_reset():
node.state = NodeState.done
node_task.delete()
else:
err = Error(
code=ErrorCode.INVALID_REQUEST,
errors=["invalid worker event type"],
)
raise RequestException(err)
task.save()
node.save()
task_event = TaskEvent(task_id=task_id,
machine_id=machine_id,
event_data=event)
task_event.save()
return ok(BoolResult(result=True))
def mark_stopping(self) -> None:
if self.state in TaskState.shutting_down():
logging.debug("ignoring post-task stop calls to stop %s:%s",
self.job_id, self.task_id)
return
self.set_state(TaskState.stopping)
def post(req: func.HttpRequest) -> func.HttpResponse:
request = parse_request(CanScheduleRequest, req)
if isinstance(request, Error):
return not_ok(request, context="CanScheduleRequest")
node = Node.get_by_machine_id(request.machine_id)
if not node:
return not_ok(
Error(code=ErrorCode.UNABLE_TO_FIND, errors=["unable to find node"]),
context=request.machine_id,
)
allowed = True
work_stopped = False
if not node.can_process_new_work():
allowed = False
task = Task.get_by_task_id(request.task_id)
work_stopped = isinstance(task, Error) or task.state in TaskState.shutting_down()
if work_stopped:
allowed = False
return ok(CanSchedule(allowed=allowed, work_stopped=work_stopped))
def check_task(self, task_id: UUID,
scalesets: List[Scaleset]) -> Optional[str]:
task = self.of.tasks.get(task_id)
# Check if the scaleset the task is assigned is OK
for scaleset in scalesets:
if (task.config.pool is not None
and scaleset.pool_name == task.config.pool.pool_name
and scaleset.state not in scaleset.state.available()):
return "task scaleset failed: %s - %s - %s (%s)" % (
self.jobs[self.tasks[task_id]].config.name,
task.config.task.type.name,
scaleset.state.name,
scaleset.error,
)
# check if the task itself has an error
if task.error is not None:
return "task failed: %s - %s (%s)" % (
self.jobs[self.tasks[task_id]].config.name,
task.config.task.type.name,
task.error,
)
# just in case someone else stopped the task
if task.state in TaskState.shutting_down():
return "task shutdown early: %s - %s" % (
self.jobs[self.tasks[task_id]].config.name,
task.config.task.type.name,
)
return None
def on_worker_event(machine_id: UUID, event: WorkerEvent) -> None:
if event.running:
task_id = event.running.task_id
elif event.done:
task_id = event.done.task_id
else:
raise NotImplementedError
task = get_task_checked(task_id)
node = get_node_checked(machine_id)
node_task = NodeTasks(
machine_id=machine_id, task_id=task_id, state=NodeTaskState.running
)
if event.running:
if task.state not in TaskState.shutting_down():
task.state = TaskState.running
if node.state not in NodeState.ready_for_reset():
node.state = NodeState.busy
node.save()
node_task.save()
# Start the clock for the task if it wasn't started already
# (as happens in 1.0.0 agents)
task.on_start()
elif event.done:
node_task.delete()
exit_status = event.done.exit_status
if not exit_status.success:
logging.error("task failed. status:%s", exit_status)
task.mark_failed(
Error(
code=ErrorCode.TASK_FAILED,
errors=[
"task failed. exit_status:%s" % exit_status,
event.done.stdout,
event.done.stderr,
],
)
)
else:
task.mark_stopping()
node.to_reimage(done=True)
else:
err = Error(
code=ErrorCode.INVALID_REQUEST,
errors=["invalid worker event type"],
)
raise RequestException(err)
task.save()
task_event = TaskEvent(task_id=task_id, machine_id=machine_id, event_data=event)
task_event.save()
def mark_stopping(self) -> None:
if self.state in TaskState.shutting_down():
logging.debug("ignoring post-task stop calls to stop %s:%s",
self.job_id, self.task_id)
return
if self.state not in TaskState.has_started():
self.mark_failed(
Error(code=ErrorCode.TASK_FAILED,
errors=["task never started"]))
self.set_state(TaskState.stopping)
def on_worker_event_running(machine_id: UUID,
event: WorkerRunningEvent) -> Result[None]:
task = Task.get_by_task_id(event.task_id)
if isinstance(task, Error):
return task
node = get_node(machine_id)
if isinstance(node, Error):
return node
if node.state not in NodeState.ready_for_reset():
node.state = NodeState.busy
node.save()
node_task = NodeTasks(machine_id=machine_id,
task_id=event.task_id,
state=NodeTaskState.running)
node_task.save()
if task.state in TaskState.shutting_down():
logging.info(
"ignoring task start from node. machine_id:%s %s:%s (state: %s)",
machine_id,
task.job_id,
task.task_id,
task.state,
)
return None
logging.info(
"task started on node. machine_id:%s %s:%s",
machine_id,
task.job_id,
task.task_id,
)
task.state = TaskState.running
task.save()
# Start the clock for the task if it wasn't started already
# (as happens in 1.0.0 agents)
task.on_start()
task_event = TaskEvent(
task_id=task.task_id,
machine_id=machine_id,
event_data=WorkerEvent(running=event),
)
task_event.save()
return None
def check_current_job(self) -> Job:
job = self.onefuzz.jobs.get(self.job.job_id)
if job.state in JobState.shutting_down():
raise StoppedEarly("job unexpectedly stopped early")
errors = []
for task in self.onefuzz.tasks.list(job_id=self.job.job_id,
state=TaskState.shutting_down()):
if task.error:
errors.append("%s: %s" % (task.config.task.type, task.error))
else:
errors.append("%s" % task.config.task.type)
if errors:
raise StoppedEarly("tasks stopped unexpectedly.\n%s" %
"\n".join(errors))
return job
def on_worker_event_running(machine_id: UUID,
event: WorkerRunningEvent) -> Result[None]:
task = Task.get_by_task_id(event.task_id)
if isinstance(task, Error):
return task
node = get_node(machine_id)
if isinstance(node, Error):
return node
if node.state not in NodeState.ready_for_reset():
node.set_state(NodeState.busy)
node_task = NodeTasks(machine_id=machine_id,
task_id=event.task_id,
state=NodeTaskState.running)
node_task.save()
if task.state in TaskState.shutting_down():
logging.info(
"ignoring task start from node. "
"machine_id:%s job_id:%s task_id:%s (state: %s)",
machine_id,
task.job_id,
task.task_id,
task.state,
)
return None
logging.info(
"task started on node. machine_id:%s job_id%s task_id:%s",
machine_id,
task.job_id,
task.task_id,
)
task.set_state(TaskState.running)
task_event = TaskEvent(
task_id=task.task_id,
machine_id=machine_id,
event_data=WorkerEvent(running=event),
)
task_event.save()
return None
def mark_failed(self,
error: Error,
tasks_in_job: Optional[List["Task"]] = None) -> None:
if self.state in TaskState.shutting_down():
logging.debug("ignoring post-task stop failures for %s:%s",
self.job_id, self.task_id)
return
if self.error is not None:
logging.debug("ignoring additional task error %s:%s", self.job_id,
self.task_id)
return
logging.error("task failed %s:%s - %s", self.job_id, self.task_id,
error)
self.error = error
self.set_state(TaskState.stopping)
self.mark_dependants_failed(tasks_in_job=tasks_in_job)
def get_running_tasks_checked(self) -> List[Task]:
self.job = self.onefuzz.jobs.get(self.job.job_id)
if self.job.state in JobState.shutting_down():
raise StoppedEarly("job unexpectedly stopped early")
errors = []
tasks = []
for task in self.onefuzz.tasks.list(job_id=self.job.job_id):
if task.state in TaskState.shutting_down():
if task.error:
errors.append("%s: %s" %
(task.config.task.type, task.error))
else:
errors.append("%s" % task.config.task.type)
tasks.append(task)
if errors:
raise StoppedEarly("tasks stopped unexpectedly.\n%s" %
"\n".join(errors))
return tasks
def stop_if_complete(self, done: bool = False) -> bool:
# returns True on stopping the node and False if this doesn't stop the node
from ..tasks.main import Task
node_tasks = NodeTasks.get_by_machine_id(self.machine_id)
for node_task in node_tasks:
task = Task.get_by_task_id(node_task.task_id)
# ignore invalid tasks when deciding if the node should be
# shutdown
if isinstance(task, Error):
continue
if task.state not in TaskState.shutting_down():
return False
logging.info(
"node: stopping busy node with all tasks complete: %s",
self.machine_id,
)
self.stop(done=done)
return True
