diff options
| -rw-r--r-- | changelog.d/11306.feature | 1 | ||||
| -rw-r--r-- | docs/modules/background_update_controller_callbacks.md | 71 | ||||
| -rw-r--r-- | docs/modules/writing_a_module.md | 12 | ||||
| -rwxr-xr-x | setup.py | 4 | ||||
| -rw-r--r-- | synapse/module_api/__init__.py | 54 | ||||
| -rw-r--r-- | synapse/storage/background_updates.py | 192 | ||||
| -rw-r--r-- | tests/push/test_email.py | 9 | ||||
| -rw-r--r-- | tests/rest/admin/test_background_updates.py | 2 | ||||
| -rw-r--r-- | tests/storage/test_background_update.py | 104 | ||||
| -rw-r--r-- | tests/storage/test_event_chain.py | 4 | ||||
| -rw-r--r-- | tests/storage/test_user_directory.py | 5 | ||||
| -rw-r--r-- | tests/unittest.py | 10 |
12 files changed, 407 insertions, 61 deletions
diff --git a/changelog.d/11306.feature b/changelog.d/11306.feature new file mode 100644 index 0000000000..aba3292015 --- /dev/null +++ b/changelog.d/11306.feature @@ -0,0 +1 @@ +Add plugin support for controlling database background updates. diff --git a/docs/modules/background_update_controller_callbacks.md b/docs/modules/background_update_controller_callbacks.md new file mode 100644 index 0000000000..b3e7c259f4 --- /dev/null +++ b/docs/modules/background_update_controller_callbacks.md @@ -0,0 +1,71 @@ +# Background update controller callbacks + +Background update controller callbacks allow module developers to control (e.g. rate-limit) +how database background updates are run. A database background update is an operation +Synapse runs on its database in the background after it starts. It's usually used to run +database operations that would take too long if they were run at the same time as schema +updates (which are run on startup) and delay Synapse's startup too much: populating a +table with a big amount of data, adding an index on a big table, deleting superfluous data, +etc. + +Background update controller callbacks can be registered using the module API's +`register_background_update_controller_callbacks` method. Only the first module (in order +of appearance in Synapse's configuration file) calling this method can register background +update controller callbacks, subsequent calls are ignored. + +The available background update controller callbacks are: + +### `on_update` + +_First introduced in Synapse v1.49.0_ + +```python +def on_update(update_name: str, database_name: str, one_shot: bool) -> AsyncContextManager[int] +``` + +Called when about to do an iteration of a background update. The module is given the name +of the update, the name of the database, and a flag to indicate whether the background +update will happen in one go and may take a long time (e.g. creating indices). If this last +argument is set to `False`, the update will be run in batches. + +The module must return an async context manager. It will be entered before Synapse runs a +background update; this should return the desired duration of the iteration, in +milliseconds. + +The context manager will be exited when the iteration completes. Note that the duration +returned by the context manager is a target, and an iteration may take substantially longer +or shorter. If the `one_shot` flag is set to `True`, the duration returned is ignored. + +__Note__: Unlike most module callbacks in Synapse, this one is _synchronous_. This is +because asynchronous operations are expected to be run by the async context manager. + +This callback is required when registering any other background update controller callback. + +### `default_batch_size` + +_First introduced in Synapse v1.49.0_ + +```python +async def default_batch_size(update_name: str, database_name: str) -> int +``` + +Called before the first iteration of a background update, with the name of the update and +of the database. The module must return the number of elements to process in this first +iteration. + +If this callback is not defined, Synapse will use a default value of 100. + +### `min_batch_size` + +_First introduced in Synapse v1.49.0_ + +```python +async def min_batch_size(update_name: str, database_name: str) -> int +``` + +Called before running a new batch for a background update, with the name of the update and +of the database. The module must return an integer representing the minimum number of +elements to process in this iteration. This number must be at least 1, and is used to +ensure that progress is always made. + +If this callback is not defined, Synapse will use a default value of 100. diff --git a/docs/modules/writing_a_module.md b/docs/modules/writing_a_module.md index 7764e06692..e7c0ffad58 100644 --- a/docs/modules/writing_a_module.md +++ b/docs/modules/writing_a_module.md @@ -71,15 +71,15 @@ Modules **must** register their web resources in their `__init__` method. ## Registering a callback Modules can use Synapse's module API to register callbacks. Callbacks are functions that -Synapse will call when performing specific actions. Callbacks must be asynchronous, and -are split in categories. A single module may implement callbacks from multiple categories, -and is under no obligation to implement all callbacks from the categories it registers -callbacks for. +Synapse will call when performing specific actions. Callbacks must be asynchronous (unless +specified otherwise), and are split in categories. A single module may implement callbacks +from multiple categories, and is under no obligation to implement all callbacks from the +categories it registers callbacks for. Modules can register callbacks using one of the module API's `register_[...]_callbacks` methods. The callback functions are passed to these methods as keyword arguments, with -the callback name as the argument name and the function as its value. This is demonstrated -in the example below. A `register_[...]_callbacks` method exists for each category. +the callback name as the argument name and the function as its value. A +`register_[...]_callbacks` method exists for each category. Callbacks for each category can be found on their respective page of the [Synapse documentation website](https://matrix-org.github.io/synapse). \ No newline at end of file diff --git a/setup.py b/setup.py index 0ce8beb004..ad99b3bd2c 100755 --- a/setup.py +++ b/setup.py @@ -119,7 +119,9 @@ CONDITIONAL_REQUIREMENTS["mypy"] = [ # Tests assume that all optional dependencies are installed. # # parameterized_class decorator was introduced in parameterized 0.7.0 -CONDITIONAL_REQUIREMENTS["test"] = ["parameterized>=0.7.0"] +# +# We use `mock` library as that backports `AsyncMock` to Python 3.6 +CONDITIONAL_REQUIREMENTS["test"] = ["parameterized>=0.7.0", "mock>=4.0.0"] CONDITIONAL_REQUIREMENTS["dev"] = ( CONDITIONAL_REQUIREMENTS["lint"] diff --git a/synapse/module_api/__init__.py b/synapse/module_api/__init__.py index 19e570ede2..a8154168be 100644 --- a/synapse/module_api/__init__.py +++ b/synapse/module_api/__init__.py @@ -82,10 +82,19 @@ from synapse.http.server import ( ) from synapse.http.servlet import parse_json_object_from_request from synapse.http.site import SynapseRequest -from synapse.logging.context import make_deferred_yieldable, run_in_background +from synapse.logging.context import ( + defer_to_thread, + make_deferred_yieldable, + run_in_background, +) from synapse.metrics.background_process_metrics import run_as_background_process from synapse.rest.client.login import LoginResponse from synapse.storage import DataStore +from synapse.storage.background_updates import ( + DEFAULT_BATCH_SIZE_CALLBACK, + MIN_BATCH_SIZE_CALLBACK, + ON_UPDATE_CALLBACK, +) from synapse.storage.database import DatabasePool, LoggingTransaction from synapse.storage.databases.main.roommember import ProfileInfo from synapse.storage.state import StateFilter @@ -311,6 +320,24 @@ class ModuleApi: auth_checkers=auth_checkers, ) + def register_background_update_controller_callbacks( + self, + on_update: ON_UPDATE_CALLBACK, + default_batch_size: Optional[DEFAULT_BATCH_SIZE_CALLBACK] = None, + min_batch_size: Optional[MIN_BATCH_SIZE_CALLBACK] = None, + ) -> None: + """Registers background update controller callbacks. + + Added in Synapse v1.49.0. + """ + + for db in self._hs.get_datastores().databases: + db.updates.register_update_controller_callbacks( + on_update=on_update, + default_batch_size=default_batch_size, + min_batch_size=min_batch_size, + ) + def register_web_resource(self, path: str, resource: Resource) -> None: """Registers a web resource to be served at the given path. @@ -995,6 +1022,11 @@ class ModuleApi: f, ) + async def sleep(self, seconds: float) -> None: + """Sleeps for the given number of seconds.""" + + await self._clock.sleep(seconds) + async def send_mail( self, recipient: str, @@ -1149,6 +1181,26 @@ class ModuleApi: return {key: state_events[event_id] for key, event_id in state_ids.items()} + async def defer_to_thread( + self, + f: Callable[..., T], + *args: Any, + **kwargs: Any, + ) -> T: + """Runs the given function in a separate thread from Synapse's thread pool. + + Added in Synapse v1.49.0. + + Args: + f: The function to run. + args: The function's arguments. + kwargs: The function's keyword arguments. + + Returns: + The return value of the function once ran in a thread. + """ + return await defer_to_thread(self._hs.get_reactor(), f, *args, **kwargs) + class PublicRoomListManager: """Contains methods for adding to, removing from and querying whether a room diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py index bc8364400d..d64910aded 100644 --- a/synapse/storage/background_updates.py +++ b/synapse/storage/background_updates.py @@ -12,12 +12,22 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging -from typing import TYPE_CHECKING, Awaitable, Callable, Dict, Iterable, Optional +from typing import ( + TYPE_CHECKING, + AsyncContextManager, + Awaitable, + Callable, + Dict, + Iterable, + Optional, +) + +import attr from synapse.metrics.background_process_metrics import run_as_background_process from synapse.storage.types import Connection from synapse.types import JsonDict -from synapse.util import json_encoder +from synapse.util import Clock, json_encoder from . import engines @@ -28,6 +38,45 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +ON_UPDATE_CALLBACK = Callable[[str, str, bool], AsyncContextManager[int]] +DEFAULT_BATCH_SIZE_CALLBACK = Callable[[str, str], Awaitable[int]] +MIN_BATCH_SIZE_CALLBACK = Callable[[str, str], Awaitable[int]] + + +@attr.s(slots=True, frozen=True, auto_attribs=True) +class _BackgroundUpdateHandler: + """A handler for a given background update. + + Attributes: + callback: The function to call to make progress on the background + update. + oneshot: Wether the update is likely to happen all in one go, ignoring + the supplied target duration, e.g. index creation. This is used by + the update controller to help correctly schedule the update. + """ + + callback: Callable[[JsonDict, int], Awaitable[int]] + oneshot: bool = False + + +class _BackgroundUpdateContextManager: + BACKGROUND_UPDATE_INTERVAL_MS = 1000 + BACKGROUND_UPDATE_DURATION_MS = 100 + + def __init__(self, sleep: bool, clock: Clock): + self._sleep = sleep + self._clock = clock + + async def __aenter__(self) -> int: + if self._sleep: + await self._clock.sleep(self.BACKGROUND_UPDATE_INTERVAL_MS / 1000) + + return self.BACKGROUND_UPDATE_DURATION_MS + + async def __aexit__(self, *exc) -> None: + pass + + class BackgroundUpdatePerformance: """Tracks the how long a background update is taking to update its items""" @@ -84,20 +133,22 @@ class BackgroundUpdater: MINIMUM_BACKGROUND_BATCH_SIZE = 1 DEFAULT_BACKGROUND_BATCH_SIZE = 100 - BACKGROUND_UPDATE_INTERVAL_MS = 1000 - BACKGROUND_UPDATE_DURATION_MS = 100 def __init__(self, hs: "HomeServer", database: "DatabasePool"): self._clock = hs.get_clock() self.db_pool = database + self._database_name = database.name() + # if a background update is currently running, its name. self._current_background_update: Optional[str] = None + self._on_update_callback: Optional[ON_UPDATE_CALLBACK] = None + self._default_batch_size_callback: Optional[DEFAULT_BATCH_SIZE_CALLBACK] = None + self._min_batch_size_callback: Optional[MIN_BATCH_SIZE_CALLBACK] = None + self._background_update_performance: Dict[str, BackgroundUpdatePerformance] = {} - self._background_update_handlers: Dict[ - str, Callable[[JsonDict, int], Awaitable[int]] - ] = {} + self._background_update_handlers: Dict[str, _BackgroundUpdateHandler] = {} self._all_done = False # Whether we're currently running updates @@ -107,6 +158,83 @@ class BackgroundUpdater: # enable/disable background updates via the admin API. self.enabled = True + def register_update_controller_callbacks( + self, + on_update: ON_UPDATE_CALLBACK, + default_batch_size: Optional[DEFAULT_BATCH_SIZE_CALLBACK] = None, + min_batch_size: Optional[DEFAULT_BATCH_SIZE_CALLBACK] = None, + ) -> None: + """Register callbacks from a module for each hook.""" + if self._on_update_callback is not None: + logger.warning( + "More than one module tried to register callbacks for controlling" + " background updates. Only the callbacks registered by the first module" + " (in order of appearance in Synapse's configuration file) that tried to" + " do so will be called." + ) + + return + + self._on_update_callback = on_update + + if default_batch_size is not None: + self._default_batch_size_callback = default_batch_size + + if min_batch_size is not None: + self._min_batch_size_callback = min_batch_size + + def _get_context_manager_for_update( + self, + sleep: bool, + update_name: str, + database_name: str, + oneshot: bool, + ) -> AsyncContextManager[int]: + """Get a context manager to run a background update with. + + If a module has registered a `update_handler` callback, use the context manager + it returns. + + Otherwise, returns a context manager that will return a default value, optionally + sleeping if needed. + + Args: + sleep: Whether we can sleep between updates. + update_name: The name of the update. + database_name: The name of the database the update is being run on. + oneshot: Whether the update will complete all in one go, e.g. index creation. + In such cases the returned target duration is ignored. + + Returns: + The target duration in milliseconds that the background update should run for. + + Note: this is a *target*, and an iteration may take substantially longer or + shorter. + """ + if self._on_update_callback is not None: + return self._on_update_callback(update_name, database_name, oneshot) + + return _BackgroundUpdateContextManager(sleep, self._clock) + + async def _default_batch_size(self, update_name: str, database_name: str) -> int: + """The batch size to use for the first iteration of a new background + update. + """ + if self._default_batch_size_callback is not None: + return await self._default_batch_size_callback(update_name, database_name) + + return self.DEFAULT_BACKGROUND_BATCH_SIZE + + async def _min_batch_size(self, update_name: str, database_name: str) -> int: + """A lower bound on the batch size of a new background update. + + Used to ensure that progress is always made. Must be greater than 0. + """ + if self._min_batch_size_callback is not None: + return await self._min_batch_size_callback(update_name, database_name) + + return self.MINIMUM_BACKGROUND_BATCH_SIZE + def get_current_update(self) -> Optional[BackgroundUpdatePerformance]: """Returns the current background update, if any.""" @@ -135,13 +263,8 @@ class BackgroundUpdater: try: logger.info("Starting background schema updates") while self.enabled: - if sleep: - await self._clock.sleep(self.BACKGROUND_UPDATE_INTERVAL_MS / 1000.0) - try: - result = await self.do_next_background_update( - self.BACKGROUND_UPDATE_DURATION_MS - ) + result = await self.do_next_background_update(sleep) except Exception: logger.exception("Error doing update") else: @@ -203,13 +326,15 @@ class BackgroundUpdater: return not update_exists - async def do_next_background_update(self, desired_duration_ms: float) -> bool: + async def do_next_background_update(self, sleep: bool = True) -> bool: """Does some amount of work on the next queued background update Returns once some amount of work is done. Args: - desired_duration_ms: How long we want to spend updating. + sleep: Whether to limit how quickly we run background updates or + not. + Returns: True if we have finished running all the background updates, otherwise False """ @@ -252,7 +377,19 @@ class BackgroundUpdater: self._current_background_update = upd["update_name"] - await self._do_background_update(desired_duration_ms) + # We have a background update to run, otherwise we would have returned + # early. + assert self._current_background_update is not None + update_info = self._background_update_handlers[self._current_background_update] + + async with self._get_context_manager_for_update( + sleep=sleep, + update_name=self._current_background_update, + database_name=self._database_name, + oneshot=update_info.oneshot, + ) as desired_duration_ms: + await self._do_background_update(desired_duration_ms) + return False async def _do_background_update(self, desired_duration_ms: float) -> int: @@ -260,7 +397,7 @@ class BackgroundUpdater: update_name = self._current_background_update logger.info("Starting update batch on background update '%s'", update_name) - update_handler = self._background_update_handlers[update_name] + update_handler = self._background_update_handlers[update_name].callback performance = self._background_update_performance.get(update_name) @@ -273,9 +410,14 @@ class BackgroundUpdater: if items_per_ms is not None: batch_size = int(desired_duration_ms * items_per_ms) # Clamp the batch size so that we always make progress - batch_size = max(batch_size, self.MINIMUM_BACKGROUND_BATCH_SIZE) + batch_size = max( + batch_size, + await self._min_batch_size(update_name, self._database_name), + ) else: - batch_size = self.DEFAULT_BACKGROUND_BATCH_SIZE + batch_size = await self._default_batch_size( + update_name, self._database_name + ) progress_json = await self.db_pool.simple_select_one_onecol( "background_updates", @@ -294,6 +436,8 @@ class BackgroundUpdater: duration_ms = time_stop - time_start + performance.update(items_updated, duration_ms) + logger.info( "Running background update %r. Processed %r items in %rms." " (total_rate=%r/ms, current_rate=%r/ms, total_updated=%r, batch_size=%r)", @@ -306,8 +450,6 @@ class BackgroundUpdater: batch_size, ) - performance.update(items_updated, duration_ms) - return len(self._background_update_performance) def register_background_update_handler( @@ -331,7 +473,9 @@ class BackgroundUpdater: update_name: The name of the update that this code handles. update_handler: The function that does the update. """ - self._background_update_handlers[update_name] = update_handler + self._background_update_handlers[update_name] = _BackgroundUpdateHandler( + update_handler + ) def register_noop_background_update(self, update_name: str) -> None: """Register a noop handler for a background update. @@ -453,7 +597,9 @@ class BackgroundUpdater: await self._end_background_update(update_name) return 1 - self.register_background_update_handler(update_name, updater) + self._background_update_handlers[update_name] = _BackgroundUpdateHandler( + updater, oneshot=True + ) async def _end_background_update(self, update_name: str) -> None: """Removes a completed background update task from the queue. diff --git a/tests/push/test_email.py b/tests/push/test_email.py index 90f800e564..f8cba7b645 100644 --- a/tests/push/test_email.py +++ b/tests/push/test_email.py @@ -128,6 +128,7 @@ class EmailPusherTests(HomeserverTestCase): ) self.auth_handler = hs.get_auth_handler() + self.store = hs.get_datastore() def test_need_validated_email(self): """Test that we can only add an email pusher if the user has validated @@ -408,13 +409,7 @@ class EmailPusherTests(HomeserverTestCase): self.hs.get_datastore().db_pool.updates._all_done = False # Now let's actually drive the updates to completion - while not self.get_success( - self.hs.get_datastore().db_pool.updates.has_completed_background_updates() - ): - self.get_success( - self.hs.get_datastore().db_pool.updates.do_next_background_update(100), - by=0.1, - ) + self.wait_for_background_updates() # Check that all pushers with unlinked addresses were deleted pushers = self.get_success( diff --git a/tests/rest/admin/test_background_updates.py b/tests/rest/admin/test_background_updates.py index cd5c60b65c..62f242baf6 100644 --- a/tests/rest/admin/test_background_updates.py +++ b/tests/rest/admin/test_background_updates.py @@ -135,7 +135,7 @@ class BackgroundUpdatesTestCase(unittest.HomeserverTestCase): self._register_bg_update() self.store.db_pool.updates.start_doing_background_updates() - self.reactor.pump([1.0, 1.0]) + self.reactor.pump([1.0, 1.0, 1.0]) channel = self.make_request( "GET", diff --git a/tests/storage/test_background_update.py b/tests/storage/test_background_update.py index a5f5ebad41..216d816d56 100644 --- a/tests/storage/test_background_update.py +++ b/tests/storage/test_background_update.py @@ -1,8 +1,11 @@ -from unittest.mock import Mock +from mock import Mock + +from twisted.internet.defer import Deferred, ensureDeferred from synapse.storage.background_updates import BackgroundUpdater from tests import unittest +from tests.test_utils import make_awaitable class BackgroundUpdateTestCase(unittest.HomeserverTestCase): @@ -20,10 +23,10 @@ class BackgroundUpdateTestCase(unittest.HomeserverTestCase): def test_do_background_update(self): # the time we claim it takes to update one item when running the update - duration_ms = 4200 + duration_ms = 10 # the target runtime for each bg update - target_background_update_duration_ms = 5000000 + target_background_update_duration_ms = 100 store = self.hs.get_datastore() self.get_success( @@ -48,10 +51,8 @@ class BackgroundUpdateTestCase(unittest.HomeserverTestCase): self.update_handler.side_effect = update self.update_handler.reset_mock() res = self.get_success( - self.updates.do_next_background_update( - target_background_update_duration_ms - ), - by=0.1, + self.updates.do_next_background_update(False), + by=0.01, ) self.assertFalse(res) @@ -74,16 +75,93 @@ class BackgroundUpdateTestCase(unittest.HomeserverTestCase): self.update_handler.side_effect = update self.update_handler.reset_mock() - result = self.get_success( - self.updates.do_next_background_update(target_background_update_duration_ms) - ) + result = self.get_success(self.updates.do_next_background_update(False)) self.assertFalse(result) self.update_handler.assert_called_once() # third step: we don't expect to be called any more self.update_handler.reset_mock() - result = self.get_success( - self.updates.do_next_background_update(target_background_update_duration_ms) - ) + result = self.get_success(self.updates.do_next_background_update(False)) self.assertTrue(result) self.assertFalse(self.update_handler.called) + + +class BackgroundUpdateControllerTestCase(unittest.HomeserverTestCase): + def prepare(self, reactor, clock, homeserver): + self.updates: BackgroundUpdater = self.hs.get_datastore().db_pool.updates + # the base test class should have run the real bg updates for us + self.assertTrue( + self.get_success(self.updates.has_completed_background_updates()) + ) + + self.update_deferred = Deferred() + self.update_handler = Mock(return_value=self.update_deferred) + self.updates.register_background_update_handler( + "test_update", self.update_handler + ) + + # Mock out the AsyncContextManager + self._update_ctx_manager = Mock(spec=["__aenter__", "__aexit__"]) + self._update_ctx_manager.__aenter__ = Mock( + return_value=make_awaitable(None), + ) + self._update_ctx_manager.__aexit__ = Mock(return_value=make_awaitable(None)) + + # Mock out the `update_handler` callback + self._on_update = Mock(return_value=self._update_ctx_manager) + + # Define a default batch size value that's not the same as the internal default + # value (100). + self._default_batch_size = 500 + + # Register the callbacks with more mocks + self.hs.get_module_api().register_background_update_controller_callbacks( + on_update=self._on_update, + min_batch_size=Mock(return_value=make_awaitable(self._default_batch_size)), + default_batch_size=Mock( + return_value=make_awaitable(self._default_batch_size), + ), + ) + + def test_controller(self): + store = self.hs.get_datastore() + self.get_success( + store.db_pool.simple_insert( + "background_updates", + values={"update_name": "test_update", "progress_json": "{}"}, + ) + ) + + # Set the return value for the context manager. + enter_defer = Deferred() + self._update_ctx_manager.__aenter__ = Mock(return_value=enter_defer) + + # Start the background update. + do_update_d = ensureDeferred(self.updates.do_next_background_update(True)) + + self.pump() + + # `run_update` should have been called, but the update handler won't be + # called until the `enter_defer` (returned by `__aenter__`) is resolved. + self._on_update.assert_called_once_with( + "test_update", + "master", + False, + ) + self.assertFalse(do_update_d.called) + self.assertFalse(self.update_deferred.called) + + # Resolving the `enter_defer` should call the update handler, which then + # blocks. + enter_defer.callback(100) + self.pump() + self.update_handler.assert_called_once_with({}, self._default_batch_size) + self.assertFalse(self.update_deferred.called) + self._update_ctx_manager.__aexit__.assert_not_called() + + # Resolving the update handler deferred should cause the + # `do_next_background_update` to finish and return + self.update_deferred.callback(100) + self.pump() + self._update_ctx_manager.__aexit__.assert_called() + self.get_success(do_update_d) diff --git a/tests/storage/test_event_chain.py b/tests/storage/test_event_chain.py index b31c5eb5ec..7b7f6c349e 100644 --- a/tests/storage/test_event_chain.py +++ b/tests/storage/test_event_chain.py @@ -664,7 +664,7 @@ class EventChainBackgroundUpdateTestCase(HomeserverTestCase): ): iterations += 1 self.get_success( - self.store.db_pool.updates.do_next_background_update(100), by=0.1 + self.store.db_pool.updates.do_next_background_update(False), by=0.1 ) # Ensure that we did actually take multiple iterations to process the @@ -723,7 +723,7 @@ class EventChainBackgroundUpdateTestCase(HomeserverTestCase): ): iterations += 1 self.get_success( - self.store.db_pool.updates.do_next_background_update(100), by=0.1 + self.store.db_pool.updates.do_next_background_update(False), by=0.1 ) # Ensure that we did actually take multiple iterations to process the diff --git a/tests/storage/test_user_directory.py b/tests/storage/test_user_directory.py index 37cf7bb232..7f5b28aed8 100644 --- a/tests/storage/test_user_directory.py +++ b/tests/storage/test_user_directory.py @@ -23,6 +23,7 @@ from synapse.rest import admin from synapse.rest.client import login, register, room from synapse.server import HomeServer from synapse.storage import DataStore +from synapse.storage.background_updates import _BackgroundUpdateHandler from synapse.storage.roommember import ProfileInfo from synapse.util import Clock @@ -391,7 +392,9 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase): with mock.patch.dict( self.store.db_pool.updates._background_update_handlers, - populate_user_directory_process_users=mocked_process_users, + populate_user_directory_process_users=_BackgroundUpdateHandler( + mocked_process_users, + ), ): self._purge_and_rebuild_user_dir() diff --git a/tests/unittest.py b/tests/unittest.py index 165aafc574..eea0903f05 100644 --- a/tests/unittest.py +++ b/tests/unittest.py @@ -331,17 +331,16 @@ class HomeserverTestCase(TestCase): time.sleep(0.01) def wait_for_background_updates(self) -> None: - """ - Block until all background database updates have completed. + """Block until all background database updates have completed. - Note that callers must ensure that's a store property created on the + Note that callers must ensure there's a store property created on the testcase. """ while not self.get_success( self.store.db_pool.updates.has_completed_background_updates() ): self.get_success( - self.store.db_pool.updates.do_next_background_update(100), by=0.1 + self.store.db_pool.updates.do_next_background_update(False), by=0.1 ) def make_homeserver(self, reactor, clock): @@ -500,8 +499,7 @@ class HomeserverTestCase(TestCase): async def run_bg_updates(): with LoggingContext("run_bg_updates"): - while not await stor.db_pool.updates.has_completed_background_updates(): - await stor.db_pool.updates.do_next_background_update(1) + self.get_success(stor.db_pool.updates.run_background_updates(False)) hs = setup_test_homeserver(self.addCleanup, *args, **kwargs) stor = hs.get_datastore() |