From 4cce8ef74ec233d8e49361bee705f2e38de2e11e Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Thu, 30 Jul 2020 07:27:39 -0400 Subject: [PATCH] Convert appservice to async. (#7973) --- changelog.d/7973.misc | 1 + synapse/appservice/__init__.py | 31 +++++----- synapse/appservice/api.py | 21 +++---- synapse/appservice/scheduler.py | 49 +++++++--------- synapse/handlers/appservice.py | 10 ++-- tests/appservice/test_appservice.py | 89 ++++++++++++++++++++--------- tests/appservice/test_scheduler.py | 19 +++--- tests/handlers/test_appservice.py | 5 +- 8 files changed, 122 insertions(+), 103 deletions(-) create mode 100644 changelog.d/7973.misc diff --git a/changelog.d/7973.misc b/changelog.d/7973.misc new file mode 100644 index 0000000000..dfe4c03171 --- /dev/null +++ b/changelog.d/7973.misc @@ -0,0 +1 @@ +Convert various parts of the codebase to async/await. diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py index 0323256472..1ffdc1ed95 100644 --- a/synapse/appservice/__init__.py +++ b/synapse/appservice/__init__.py @@ -15,11 +15,9 @@ import logging import re -from twisted.internet import defer - from synapse.api.constants import EventTypes from synapse.types import GroupID, get_domain_from_id -from synapse.util.caches.descriptors import cachedInlineCallbacks +from synapse.util.caches.descriptors import cached logger = logging.getLogger(__name__) @@ -43,7 +41,7 @@ class AppServiceTransaction(object): Args: as_api(ApplicationServiceApi): The API to use to send. Returns: - A Deferred which resolves to True if the transaction was sent. + An Awaitable which resolves to True if the transaction was sent. """ return as_api.push_bulk( service=self.service, events=self.events, txn_id=self.id @@ -172,8 +170,7 @@ class ApplicationService(object): return regex_obj["exclusive"] return False - @defer.inlineCallbacks - def _matches_user(self, event, store): + async def _matches_user(self, event, store): if not event: return False @@ -188,12 +185,12 @@ class ApplicationService(object): if not store: return False - does_match = yield self._matches_user_in_member_list(event.room_id, store) + does_match = await self._matches_user_in_member_list(event.room_id, store) return does_match - @cachedInlineCallbacks(num_args=1, cache_context=True) - def _matches_user_in_member_list(self, room_id, store, cache_context): - member_list = yield store.get_users_in_room( + @cached(num_args=1, cache_context=True) + async def _matches_user_in_member_list(self, room_id, store, cache_context): + member_list = await store.get_users_in_room( room_id, on_invalidate=cache_context.invalidate ) @@ -208,35 +205,33 @@ class ApplicationService(object): return self.is_interested_in_room(event.room_id) return False - @defer.inlineCallbacks - def _matches_aliases(self, event, store): + async def _matches_aliases(self, event, store): if not store or not event: return False - alias_list = yield store.get_aliases_for_room(event.room_id) + alias_list = await store.get_aliases_for_room(event.room_id) for alias in alias_list: if self.is_interested_in_alias(alias): return True return False - @defer.inlineCallbacks - def is_interested(self, event, store=None): + async def is_interested(self, event, store=None) -> bool: """Check if this service is interested in this event. Args: event(Event): The event to check. store(DataStore) Returns: - bool: True if this service would like to know about this event. + True if this service would like to know about this event. """ # Do cheap checks first if self._matches_room_id(event): return True - if (yield self._matches_aliases(event, store)): + if await self._matches_aliases(event, store): return True - if (yield self._matches_user(event, store)): + if await self._matches_user(event, store): return True return False diff --git a/synapse/appservice/api.py b/synapse/appservice/api.py index 1e0e4d497d..db578bda79 100644 --- a/synapse/appservice/api.py +++ b/synapse/appservice/api.py @@ -93,13 +93,12 @@ class ApplicationServiceApi(SimpleHttpClient): hs, "as_protocol_meta", timeout_ms=HOUR_IN_MS ) - @defer.inlineCallbacks - def query_user(self, service, user_id): + async def query_user(self, service, user_id): if service.url is None: return False uri = service.url + ("/users/%s" % urllib.parse.quote(user_id)) try: - response = yield self.get_json(uri, {"access_token": service.hs_token}) + response = await self.get_json(uri, {"access_token": service.hs_token}) if response is not None: # just an empty json object return True except CodeMessageException as e: @@ -110,14 +109,12 @@ class ApplicationServiceApi(SimpleHttpClient): logger.warning("query_user to %s threw exception %s", uri, ex) return False - @defer.inlineCallbacks - def query_alias(self, service, alias): + async def query_alias(self, service, alias): if service.url is None: return False uri = service.url + ("/rooms/%s" % urllib.parse.quote(alias)) - response = None try: - response = yield self.get_json(uri, {"access_token": service.hs_token}) + response = await self.get_json(uri, {"access_token": service.hs_token}) if response is not None: # just an empty json object return True except CodeMessageException as e: @@ -128,8 +125,7 @@ class ApplicationServiceApi(SimpleHttpClient): logger.warning("query_alias to %s threw exception %s", uri, ex) return False - @defer.inlineCallbacks - def query_3pe(self, service, kind, protocol, fields): + async def query_3pe(self, service, kind, protocol, fields): if kind == ThirdPartyEntityKind.USER: required_field = "userid" elif kind == ThirdPartyEntityKind.LOCATION: @@ -146,7 +142,7 @@ class ApplicationServiceApi(SimpleHttpClient): urllib.parse.quote(protocol), ) try: - response = yield self.get_json(uri, fields) + response = await self.get_json(uri, fields) if not isinstance(response, list): logger.warning( "query_3pe to %s returned an invalid response %r", uri, response @@ -202,8 +198,7 @@ class ApplicationServiceApi(SimpleHttpClient): key = (service.id, protocol) return self.protocol_meta_cache.wrap(key, _get) - @defer.inlineCallbacks - def push_bulk(self, service, events, txn_id=None): + async def push_bulk(self, service, events, txn_id=None): if service.url is None: return True @@ -218,7 +213,7 @@ class ApplicationServiceApi(SimpleHttpClient): uri = service.url + ("/transactions/%s" % urllib.parse.quote(txn_id)) try: - yield self.put_json( + await self.put_json( uri=uri, json_body={"events": events}, args={"access_token": service.hs_token}, diff --git a/synapse/appservice/scheduler.py b/synapse/appservice/scheduler.py index 9998f822f1..d5204b1314 100644 --- a/synapse/appservice/scheduler.py +++ b/synapse/appservice/scheduler.py @@ -50,8 +50,6 @@ components. """ import logging -from twisted.internet import defer - from synapse.appservice import ApplicationServiceState from synapse.logging.context import run_in_background from synapse.metrics.background_process_metrics import run_as_background_process @@ -73,12 +71,11 @@ class ApplicationServiceScheduler(object): self.txn_ctrl = _TransactionController(self.clock, self.store, self.as_api) self.queuer = _ServiceQueuer(self.txn_ctrl, self.clock) - @defer.inlineCallbacks - def start(self): + async def start(self): logger.info("Starting appservice scheduler") # check for any DOWN ASes and start recoverers for them. - services = yield self.store.get_appservices_by_state( + services = await self.store.get_appservices_by_state( ApplicationServiceState.DOWN ) @@ -117,8 +114,7 @@ class _ServiceQueuer(object): "as-sender-%s" % (service.id,), self._send_request, service ) - @defer.inlineCallbacks - def _send_request(self, service): + async def _send_request(self, service): # sanity-check: we shouldn't get here if this service already has a sender # running. assert service.id not in self.requests_in_flight @@ -130,7 +126,7 @@ class _ServiceQueuer(object): if not events: return try: - yield self.txn_ctrl.send(service, events) + await self.txn_ctrl.send(service, events) except Exception: logger.exception("AS request failed") finally: @@ -162,36 +158,33 @@ class _TransactionController(object): # for UTs self.RECOVERER_CLASS = _Recoverer - @defer.inlineCallbacks - def send(self, service, events): + async def send(self, service, events): try: - txn = yield self.store.create_appservice_txn(service=service, events=events) - service_is_up = yield self._is_service_up(service) + txn = await self.store.create_appservice_txn(service=service, events=events) + service_is_up = await self._is_service_up(service) if service_is_up: - sent = yield txn.send(self.as_api) + sent = await txn.send(self.as_api) if sent: - yield txn.complete(self.store) + await txn.complete(self.store) else: run_in_background(self._on_txn_fail, service) except Exception: logger.exception("Error creating appservice transaction") run_in_background(self._on_txn_fail, service) - @defer.inlineCallbacks - def on_recovered(self, recoverer): + async def on_recovered(self, recoverer): logger.info( "Successfully recovered application service AS ID %s", recoverer.service.id ) self.recoverers.pop(recoverer.service.id) logger.info("Remaining active recoverers: %s", len(self.recoverers)) - yield self.store.set_appservice_state( + await self.store.set_appservice_state( recoverer.service, ApplicationServiceState.UP ) - @defer.inlineCallbacks - def _on_txn_fail(self, service): + async def _on_txn_fail(self, service): try: - yield self.store.set_appservice_state(service, ApplicationServiceState.DOWN) + await self.store.set_appservice_state(service, ApplicationServiceState.DOWN) self.start_recoverer(service) except Exception: logger.exception("Error starting AS recoverer") @@ -211,9 +204,8 @@ class _TransactionController(object): recoverer.recover() logger.info("Now %i active recoverers", len(self.recoverers)) - @defer.inlineCallbacks - def _is_service_up(self, service): - state = yield self.store.get_appservice_state(service) + async def _is_service_up(self, service): + state = await self.store.get_appservice_state(service) return state == ApplicationServiceState.UP or state is None @@ -254,25 +246,24 @@ class _Recoverer(object): self.backoff_counter += 1 self.recover() - @defer.inlineCallbacks - def retry(self): + async def retry(self): logger.info("Starting retries on %s", self.service.id) try: while True: - txn = yield self.store.get_oldest_unsent_txn(self.service) + txn = await self.store.get_oldest_unsent_txn(self.service) if not txn: # nothing left: we're done! - self.callback(self) + await self.callback(self) return logger.info( "Retrying transaction %s for AS ID %s", txn.id, txn.service.id ) - sent = yield txn.send(self.as_api) + sent = await txn.send(self.as_api) if not sent: break - yield txn.complete(self.store) + await txn.complete(self.store) # reset the backoff counter and then process the next transaction self.backoff_counter = 1 diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py index 92d4c6e16c..fbc56c351b 100644 --- a/synapse/handlers/appservice.py +++ b/synapse/handlers/appservice.py @@ -27,7 +27,6 @@ from synapse.metrics import ( event_processing_loop_room_count, ) from synapse.metrics.background_process_metrics import run_as_background_process -from synapse.util import log_failure from synapse.util.metrics import Measure logger = logging.getLogger(__name__) @@ -100,10 +99,11 @@ class ApplicationServicesHandler(object): if not self.started_scheduler: - def start_scheduler(): - return self.scheduler.start().addErrback( - log_failure, "Application Services Failure" - ) + async def start_scheduler(): + try: + return self.scheduler.start() + except Exception: + logger.error("Application Services Failure") run_as_background_process("as_scheduler", start_scheduler) self.started_scheduler = True diff --git a/tests/appservice/test_appservice.py b/tests/appservice/test_appservice.py index 4003869ed6..236b608d58 100644 --- a/tests/appservice/test_appservice.py +++ b/tests/appservice/test_appservice.py @@ -50,13 +50,17 @@ class ApplicationServiceTestCase(unittest.TestCase): def test_regex_user_id_prefix_match(self): self.service.namespaces[ApplicationService.NS_USERS].append(_regex("@irc_.*")) self.event.sender = "@irc_foobar:matrix.org" - self.assertTrue((yield self.service.is_interested(self.event))) + self.assertTrue( + (yield defer.ensureDeferred(self.service.is_interested(self.event))) + ) @defer.inlineCallbacks def test_regex_user_id_prefix_no_match(self): self.service.namespaces[ApplicationService.NS_USERS].append(_regex("@irc_.*")) self.event.sender = "@someone_else:matrix.org" - self.assertFalse((yield self.service.is_interested(self.event))) + self.assertFalse( + (yield defer.ensureDeferred(self.service.is_interested(self.event))) + ) @defer.inlineCallbacks def test_regex_room_member_is_checked(self): @@ -64,7 +68,9 @@ class ApplicationServiceTestCase(unittest.TestCase): self.event.sender = "@someone_else:matrix.org" self.event.type = "m.room.member" self.event.state_key = "@irc_foobar:matrix.org" - self.assertTrue((yield self.service.is_interested(self.event))) + self.assertTrue( + (yield defer.ensureDeferred(self.service.is_interested(self.event))) + ) @defer.inlineCallbacks def test_regex_room_id_match(self): @@ -72,7 +78,9 @@ class ApplicationServiceTestCase(unittest.TestCase): _regex("!some_prefix.*some_suffix:matrix.org") ) self.event.room_id = "!some_prefixs0m3th1nGsome_suffix:matrix.org" - self.assertTrue((yield self.service.is_interested(self.event))) + self.assertTrue( + (yield defer.ensureDeferred(self.service.is_interested(self.event))) + ) @defer.inlineCallbacks def test_regex_room_id_no_match(self): @@ -80,19 +88,26 @@ class ApplicationServiceTestCase(unittest.TestCase): _regex("!some_prefix.*some_suffix:matrix.org") ) self.event.room_id = "!XqBunHwQIXUiqCaoxq:matrix.org" - self.assertFalse((yield self.service.is_interested(self.event))) + self.assertFalse( + (yield defer.ensureDeferred(self.service.is_interested(self.event))) + ) @defer.inlineCallbacks def test_regex_alias_match(self): self.service.namespaces[ApplicationService.NS_ALIASES].append( _regex("#irc_.*:matrix.org") ) - self.store.get_aliases_for_room.return_value = [ - "#irc_foobar:matrix.org", - "#athing:matrix.org", - ] - self.store.get_users_in_room.return_value = [] - self.assertTrue((yield self.service.is_interested(self.event, self.store))) + self.store.get_aliases_for_room.return_value = defer.succeed( + ["#irc_foobar:matrix.org", "#athing:matrix.org"] + ) + self.store.get_users_in_room.return_value = defer.succeed([]) + self.assertTrue( + ( + yield defer.ensureDeferred( + self.service.is_interested(self.event, self.store) + ) + ) + ) def test_non_exclusive_alias(self): self.service.namespaces[ApplicationService.NS_ALIASES].append( @@ -135,12 +150,17 @@ class ApplicationServiceTestCase(unittest.TestCase): self.service.namespaces[ApplicationService.NS_ALIASES].append( _regex("#irc_.*:matrix.org") ) - self.store.get_aliases_for_room.return_value = [ - "#xmpp_foobar:matrix.org", - "#athing:matrix.org", - ] - self.store.get_users_in_room.return_value = [] - self.assertFalse((yield self.service.is_interested(self.event, self.store))) + self.store.get_aliases_for_room.return_value = defer.succeed( + ["#xmpp_foobar:matrix.org", "#athing:matrix.org"] + ) + self.store.get_users_in_room.return_value = defer.succeed([]) + self.assertFalse( + ( + yield defer.ensureDeferred( + self.service.is_interested(self.event, self.store) + ) + ) + ) @defer.inlineCallbacks def test_regex_multiple_matches(self): @@ -149,9 +169,17 @@ class ApplicationServiceTestCase(unittest.TestCase): ) self.service.namespaces[ApplicationService.NS_USERS].append(_regex("@irc_.*")) self.event.sender = "@irc_foobar:matrix.org" - self.store.get_aliases_for_room.return_value = ["#irc_barfoo:matrix.org"] - self.store.get_users_in_room.return_value = [] - self.assertTrue((yield self.service.is_interested(self.event, self.store))) + self.store.get_aliases_for_room.return_value = defer.succeed( + ["#irc_barfoo:matrix.org"] + ) + self.store.get_users_in_room.return_value = defer.succeed([]) + self.assertTrue( + ( + yield defer.ensureDeferred( + self.service.is_interested(self.event, self.store) + ) + ) + ) @defer.inlineCallbacks def test_interested_in_self(self): @@ -161,19 +189,24 @@ class ApplicationServiceTestCase(unittest.TestCase): self.event.type = "m.room.member" self.event.content = {"membership": "invite"} self.event.state_key = self.service.sender - self.assertTrue((yield self.service.is_interested(self.event))) + self.assertTrue( + (yield defer.ensureDeferred(self.service.is_interested(self.event))) + ) @defer.inlineCallbacks def test_member_list_match(self): self.service.namespaces[ApplicationService.NS_USERS].append(_regex("@irc_.*")) - self.store.get_users_in_room.return_value = [ - "@alice:here", - "@irc_fo:here", # AS user - "@bob:here", - ] - self.store.get_aliases_for_room.return_value = [] + # Note that @irc_fo:here is the AS user. + self.store.get_users_in_room.return_value = defer.succeed( + ["@alice:here", "@irc_fo:here", "@bob:here"] + ) + self.store.get_aliases_for_room.return_value = defer.succeed([]) self.event.sender = "@xmpp_foobar:matrix.org" self.assertTrue( - (yield self.service.is_interested(event=self.event, store=self.store)) + ( + yield defer.ensureDeferred( + self.service.is_interested(event=self.event, store=self.store) + ) + ) ) diff --git a/tests/appservice/test_scheduler.py b/tests/appservice/test_scheduler.py index 52f89d3f83..68a4caabbf 100644 --- a/tests/appservice/test_scheduler.py +++ b/tests/appservice/test_scheduler.py @@ -25,6 +25,7 @@ from synapse.appservice.scheduler import ( from synapse.logging.context import make_deferred_yieldable from tests import unittest +from tests.test_utils import make_awaitable from ..utils import MockClock @@ -52,11 +53,11 @@ class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase): self.store.get_appservice_state = Mock( return_value=defer.succeed(ApplicationServiceState.UP) ) - txn.send = Mock(return_value=defer.succeed(True)) + txn.send = Mock(return_value=make_awaitable(True)) self.store.create_appservice_txn = Mock(return_value=defer.succeed(txn)) # actual call - self.txnctrl.send(service, events) + self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events))) self.store.create_appservice_txn.assert_called_once_with( service=service, events=events # txn made and saved @@ -77,7 +78,7 @@ class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase): self.store.create_appservice_txn = Mock(return_value=defer.succeed(txn)) # actual call - self.txnctrl.send(service, events) + self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events))) self.store.create_appservice_txn.assert_called_once_with( service=service, events=events # txn made and saved @@ -98,11 +99,11 @@ class ApplicationServiceSchedulerTransactionCtrlTestCase(unittest.TestCase): return_value=defer.succeed(ApplicationServiceState.UP) ) self.store.set_appservice_state = Mock(return_value=defer.succeed(True)) - txn.send = Mock(return_value=defer.succeed(False)) # fails to send + txn.send = Mock(return_value=make_awaitable(False)) # fails to send self.store.create_appservice_txn = Mock(return_value=defer.succeed(txn)) # actual call - self.txnctrl.send(service, events) + self.successResultOf(defer.ensureDeferred(self.txnctrl.send(service, events))) self.store.create_appservice_txn.assert_called_once_with( service=service, events=events @@ -144,7 +145,8 @@ class ApplicationServiceSchedulerRecovererTestCase(unittest.TestCase): self.recoverer.recover() # shouldn't have called anything prior to waiting for exp backoff self.assertEquals(0, self.store.get_oldest_unsent_txn.call_count) - txn.send = Mock(return_value=True) + txn.send = Mock(return_value=make_awaitable(True)) + txn.complete.return_value = make_awaitable(None) # wait for exp backoff self.clock.advance_time(2) self.assertEquals(1, txn.send.call_count) @@ -169,7 +171,8 @@ class ApplicationServiceSchedulerRecovererTestCase(unittest.TestCase): self.recoverer.recover() self.assertEquals(0, self.store.get_oldest_unsent_txn.call_count) - txn.send = Mock(return_value=False) + txn.send = Mock(return_value=make_awaitable(False)) + txn.complete.return_value = make_awaitable(None) self.clock.advance_time(2) self.assertEquals(1, txn.send.call_count) self.assertEquals(0, txn.complete.call_count) @@ -182,7 +185,7 @@ class ApplicationServiceSchedulerRecovererTestCase(unittest.TestCase): self.assertEquals(3, txn.send.call_count) self.assertEquals(0, txn.complete.call_count) self.assertEquals(0, self.callback.call_count) - txn.send = Mock(return_value=True) # successfully send the txn + txn.send = Mock(return_value=make_awaitable(True)) # successfully send the txn pop_txn = True # returns the txn the first time, then no more. self.clock.advance_time(16) self.assertEquals(1, txn.send.call_count) # new mock reset call count diff --git a/tests/handlers/test_appservice.py b/tests/handlers/test_appservice.py index ebabe9a7d6..628f7d8db0 100644 --- a/tests/handlers/test_appservice.py +++ b/tests/handlers/test_appservice.py @@ -19,6 +19,7 @@ from twisted.internet import defer from synapse.handlers.appservice import ApplicationServicesHandler +from tests.test_utils import make_awaitable from tests.utils import MockClock from .. import unittest @@ -117,7 +118,7 @@ class AppServiceHandlerTestCase(unittest.TestCase): self._mkservice_alias(is_interested_in_alias=False), ] - self.mock_as_api.query_alias.return_value = defer.succeed(True) + self.mock_as_api.query_alias.return_value = make_awaitable(True) self.mock_store.get_app_services.return_value = services self.mock_store.get_association_from_room_alias.return_value = defer.succeed( Mock(room_id=room_id, servers=servers) @@ -135,7 +136,7 @@ class AppServiceHandlerTestCase(unittest.TestCase): def _mkservice(self, is_interested): service = Mock() - service.is_interested.return_value = defer.succeed(is_interested) + service.is_interested.return_value = make_awaitable(is_interested) service.token = "mock_service_token" service.url = "mock_service_url" return service