225 lines
9.1 KiB
Python
225 lines
9.1 KiB
Python
#
|
|
# This file is licensed under the Affero General Public License (AGPL) version 3.
|
|
#
|
|
# Copyright 2023 The Matrix.org Foundation C.I.C.
|
|
# Copyright (C) 2023 New Vector, Ltd
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 of the
|
|
# License, or (at your option) any later version.
|
|
#
|
|
# See the GNU Affero General Public License for more details:
|
|
# <https://www.gnu.org/licenses/agpl-3.0.html>.
|
|
#
|
|
# Originally licensed under the Apache License, Version 2.0:
|
|
# <http://www.apache.org/licenses/LICENSE-2.0>.
|
|
#
|
|
# [This file includes modifications made by New Vector Limited]
|
|
#
|
|
#
|
|
from typing import List, Optional, Tuple
|
|
|
|
from twisted.internet.task import deferLater
|
|
from twisted.test.proto_helpers import MemoryReactor
|
|
|
|
from synapse.server import HomeServer
|
|
from synapse.types import JsonMapping, ScheduledTask, TaskStatus
|
|
from synapse.util import Clock
|
|
from synapse.util.task_scheduler import TaskScheduler
|
|
|
|
from tests.replication._base import BaseMultiWorkerStreamTestCase
|
|
from tests.unittest import HomeserverTestCase, override_config
|
|
|
|
|
|
class TestTaskScheduler(HomeserverTestCase):
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
|
self.task_scheduler = hs.get_task_scheduler()
|
|
self.task_scheduler.register_action(self._test_task, "_test_task")
|
|
self.task_scheduler.register_action(self._sleeping_task, "_sleeping_task")
|
|
self.task_scheduler.register_action(self._raising_task, "_raising_task")
|
|
self.task_scheduler.register_action(self._resumable_task, "_resumable_task")
|
|
|
|
async def _test_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
# This test task will copy the parameters to the result
|
|
result = None
|
|
if task.params:
|
|
result = task.params
|
|
return (TaskStatus.COMPLETE, result, None)
|
|
|
|
def test_schedule_task(self) -> None:
|
|
"""Schedule a task in the future with some parameters to be copied as a result and check it executed correctly.
|
|
Also check that it get removed after `KEEP_TASKS_FOR_MS`."""
|
|
timestamp = self.clock.time_msec() + 30 * 1000
|
|
task_id = self.get_success(
|
|
self.task_scheduler.schedule_task(
|
|
"_test_task",
|
|
timestamp=timestamp,
|
|
params={"val": 1},
|
|
)
|
|
)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.SCHEDULED)
|
|
self.assertIsNone(task.result)
|
|
|
|
# The timestamp being 30s after now the task should been executed
|
|
# after the first scheduling loop is run
|
|
self.reactor.advance(TaskScheduler.SCHEDULE_INTERVAL_MS / 1000)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.COMPLETE)
|
|
assert task.result is not None
|
|
# The passed parameter should have been copied to the result
|
|
self.assertTrue(task.result.get("val") == 1)
|
|
|
|
# Let's wait for the complete task to be deleted and hence unavailable
|
|
self.reactor.advance((TaskScheduler.KEEP_TASKS_FOR_MS / 1000) + 1)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
self.assertIsNone(task)
|
|
|
|
async def _sleeping_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
# Sleep for a second
|
|
await deferLater(self.reactor, 1, lambda: None)
|
|
return TaskStatus.COMPLETE, None, None
|
|
|
|
def test_schedule_lot_of_tasks(self) -> None:
|
|
"""Schedule more than `TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS` tasks and check the behavior."""
|
|
task_ids = []
|
|
for i in range(TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS + 1):
|
|
task_ids.append(
|
|
self.get_success(
|
|
self.task_scheduler.schedule_task(
|
|
"_sleeping_task",
|
|
params={"val": i},
|
|
)
|
|
)
|
|
)
|
|
|
|
def get_tasks_of_status(status: TaskStatus) -> List[ScheduledTask]:
|
|
tasks = (
|
|
self.get_success(self.task_scheduler.get_task(task_id))
|
|
for task_id in task_ids
|
|
)
|
|
return [t for t in tasks if t is not None and t.status == status]
|
|
|
|
# At this point, there should be MAX_CONCURRENT_RUNNING_TASKS active tasks and
|
|
# one scheduled task.
|
|
self.assertEquals(
|
|
len(get_tasks_of_status(TaskStatus.ACTIVE)),
|
|
TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS,
|
|
)
|
|
self.assertEquals(
|
|
len(get_tasks_of_status(TaskStatus.SCHEDULED)),
|
|
1,
|
|
)
|
|
|
|
# Give the time to the active tasks to finish
|
|
self.reactor.advance(1)
|
|
|
|
# Check that MAX_CONCURRENT_RUNNING_TASKS tasks have run and that one
|
|
# is still scheduled.
|
|
self.assertEquals(
|
|
len(get_tasks_of_status(TaskStatus.COMPLETE)),
|
|
TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS,
|
|
)
|
|
scheduled_tasks = get_tasks_of_status(TaskStatus.SCHEDULED)
|
|
self.assertEquals(len(scheduled_tasks), 1)
|
|
|
|
# The scheduled task should start 0.1s after the first of the active tasks
|
|
# finishes
|
|
self.reactor.advance(0.1)
|
|
self.assertEquals(len(get_tasks_of_status(TaskStatus.ACTIVE)), 1)
|
|
|
|
# ... and should finally complete after another second
|
|
self.reactor.advance(1)
|
|
prev_scheduled_task = self.get_success(
|
|
self.task_scheduler.get_task(scheduled_tasks[0].id)
|
|
)
|
|
assert prev_scheduled_task is not None
|
|
self.assertEquals(
|
|
prev_scheduled_task.status,
|
|
TaskStatus.COMPLETE,
|
|
)
|
|
|
|
async def _raising_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
raise Exception("raising")
|
|
|
|
def test_schedule_raising_task(self) -> None:
|
|
"""Schedule a task raising an exception and check it runs to failure and report exception content."""
|
|
task_id = self.get_success(self.task_scheduler.schedule_task("_raising_task"))
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.FAILED)
|
|
self.assertEqual(task.error, "raising")
|
|
|
|
async def _resumable_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
if task.result and "in_progress" in task.result:
|
|
return TaskStatus.COMPLETE, {"success": True}, None
|
|
else:
|
|
await self.task_scheduler.update_task(task.id, result={"in_progress": True})
|
|
# Await forever to simulate an aborted task because of a restart
|
|
await deferLater(self.reactor, 2**16, lambda: None)
|
|
# This should never been called
|
|
return TaskStatus.ACTIVE, None, None
|
|
|
|
def test_schedule_resumable_task(self) -> None:
|
|
"""Schedule a resumable task and check that it gets properly resumed and complete after simulating a synapse restart."""
|
|
task_id = self.get_success(self.task_scheduler.schedule_task("_resumable_task"))
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.ACTIVE)
|
|
|
|
# Simulate a synapse restart by emptying the list of running tasks
|
|
self.task_scheduler._running_tasks = set()
|
|
self.reactor.advance((TaskScheduler.SCHEDULE_INTERVAL_MS / 1000))
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.COMPLETE)
|
|
assert task.result is not None
|
|
self.assertTrue(task.result.get("success"))
|
|
|
|
|
|
class TestTaskSchedulerWithBackgroundWorker(BaseMultiWorkerStreamTestCase):
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
|
self.task_scheduler = hs.get_task_scheduler()
|
|
self.task_scheduler.register_action(self._test_task, "_test_task")
|
|
|
|
async def _test_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
return (TaskStatus.COMPLETE, None, None)
|
|
|
|
@override_config({"run_background_tasks_on": "worker1"})
|
|
def test_schedule_task(self) -> None:
|
|
"""Check that a task scheduled to run now is launch right away on the background worker."""
|
|
bg_worker_hs = self.make_worker_hs(
|
|
"synapse.app.generic_worker",
|
|
extra_config={"worker_name": "worker1"},
|
|
)
|
|
bg_worker_hs.get_task_scheduler().register_action(self._test_task, "_test_task")
|
|
|
|
task_id = self.get_success(
|
|
self.task_scheduler.schedule_task(
|
|
"_test_task",
|
|
)
|
|
)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.COMPLETE)
|