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Fix client reader sharding tests (#7853)

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* Fix client reader sharding tests

* Newsfile

* Fix typing

* Update changelog.d/7853.misc

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

* Move mocking of http_client to tests

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>
This commit is contained in:
Erik Johnston 2020-07-15 15:27:35 +01:00 committed by GitHub
parent b11450dedc
commit f13061d515
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 302 additions and 176 deletions
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1
changelog.d/7853.misc Normal file
View file

@ -0,0 +1 @@
Add support for handling registration requests across multiple client reader workers.

24
synapse/http/client.py
View file

@ -31,6 +31,7 @@ from twisted.internet.interfaces import (
IReactorPluggableNameResolver,
IResolutionReceiver,
)
from twisted.internet.task import Cooperator
from twisted.python.failure import Failure
from twisted.web._newclient import ResponseDone
from twisted.web.client import Agent, HTTPConnectionPool, readBody
@ -69,6 +70,21 @@ def check_against_blacklist(ip_address, ip_whitelist, ip_blacklist):
return False
_EPSILON = 0.00000001
def _make_scheduler(reactor):
"""Makes a schedular suitable for a Cooperator using the given reactor.
(This is effectively just a copy from `twisted.internet.task`)
"""
def _scheduler(x):
return reactor.callLater(_EPSILON, x)
return _scheduler
class IPBlacklistingResolver(object):
"""
A proxy for reactor.nameResolver which only produces non-blacklisted IP
@ -212,6 +228,10 @@ class SimpleHttpClient(object):
if hs.config.user_agent_suffix:
self.user_agent = "%s %s" % (self.user_agent, hs.config.user_agent_suffix)
# We use this for our body producers to ensure that they use the correct
# reactor.
self._cooperator = Cooperator(scheduler=_make_scheduler(hs.get_reactor()))
self.user_agent = self.user_agent.encode("ascii")
if self._ip_blacklist:
@ -292,7 +312,9 @@ class SimpleHttpClient(object):
try:
body_producer = None
if data is not None:
body_producer = QuieterFileBodyProducer(BytesIO(data))
body_producer = QuieterFileBodyProducer(
BytesIO(data), cooperator=self._cooperator,
)
request_deferred = treq.request(
method,

5
synapse/server.pyi
View file

@ -20,6 +20,7 @@ import synapse.handlers.room
import synapse.handlers.room_member
import synapse.handlers.set_password
import synapse.http.client
import synapse.http.matrixfederationclient
import synapse.notifier
import synapse.push.pusherpool
import synapse.replication.tcp.client
@ -143,3 +144,7 @@ class HomeServer(object):
pass
def get_replication_streams(self) -> Dict[str, Stream]:
pass
def get_http_client(
self,
) -> synapse.http.matrixfederationclient.MatrixFederationHttpClient:
pass

168
tests/replication/_base.py
View file

@ -14,7 +14,7 @@
# limitations under the License.
import logging
from typing import Any, List, Optional, Tuple
from typing import Any, Callable, List, Optional, Tuple
import attr
@ -26,8 +26,9 @@ from synapse.app.generic_worker import (
GenericWorkerReplicationHandler,
GenericWorkerServer,
)
from synapse.http.server import JsonResource
from synapse.http.site import SynapseRequest
from synapse.replication.http import streams
from synapse.replication.http import ReplicationRestResource, streams
from synapse.replication.tcp.handler import ReplicationCommandHandler
from synapse.replication.tcp.protocol import ClientReplicationStreamProtocol
from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
@ -35,7 +36,7 @@ from synapse.server import HomeServer
from synapse.util import Clock
from tests import unittest
from tests.server import FakeTransport
from tests.server import FakeTransport, render
logger = logging.getLogger(__name__)
@ -180,6 +181,159 @@ class BaseStreamTestCase(unittest.HomeserverTestCase):
self.assertEqual(request.method, b"GET")
class BaseMultiWorkerStreamTestCase(unittest.HomeserverTestCase):
"""Base class for tests running multiple workers.
Automatically handle HTTP replication requests from workers to master,
unlike `BaseStreamTestCase`.
"""
servlets = [] # type: List[Callable[[HomeServer, JsonResource], None]]
def setUp(self):
super().setUp()
# build a replication server
self.server_factory = ReplicationStreamProtocolFactory(self.hs)
self.streamer = self.hs.get_replication_streamer()
store = self.hs.get_datastore()
self.database = store.db
self.reactor.lookups["testserv"] = "1.2.3.4"
self._worker_hs_to_resource = {}
# When we see a connection attempt to the master replication listener we
# automatically set up the connection. This is so that tests don't
# manually have to go and explicitly set it up each time (plus sometimes
# it is impossible to write the handling explicitly in the tests).
self.reactor.add_tcp_client_callback(
"1.2.3.4", 8765, self._handle_http_replication_attempt
)
def create_test_json_resource(self):
"""Overrides `HomeserverTestCase.create_test_json_resource`.
"""
# We override this so that it automatically registers all the HTTP
# replication servlets, without having to explicitly do that in all
# subclassses.
resource = ReplicationRestResource(self.hs)
for servlet in self.servlets:
servlet(self.hs, resource)
return resource
def make_worker_hs(
self, worker_app: str, extra_config: dict = {}, **kwargs
) -> HomeServer:
"""Make a new worker HS instance, correctly connecting replcation
stream to the master HS.
Args:
worker_app: Type of worker, e.g. `synapse.app.federation_sender`.
extra_config: Any extra config to use for this instances.
**kwargs: Options that get passed to `self.setup_test_homeserver`,
useful to e.g. pass some mocks for things like `http_client`
Returns:
The new worker HomeServer instance.
"""
config = self._get_worker_hs_config()
config["worker_app"] = worker_app
config.update(extra_config)
worker_hs = self.setup_test_homeserver(
homeserverToUse=GenericWorkerServer,
config=config,
reactor=self.reactor,
**kwargs
)
store = worker_hs.get_datastore()
store.db._db_pool = self.database._db_pool
repl_handler = ReplicationCommandHandler(worker_hs)
client = ClientReplicationStreamProtocol(
worker_hs, "client", "test", self.clock, repl_handler,
)
server = self.server_factory.buildProtocol(None)
client_transport = FakeTransport(server, self.reactor)
client.makeConnection(client_transport)
server_transport = FakeTransport(client, self.reactor)
server.makeConnection(server_transport)
# Set up a resource for the worker
resource = ReplicationRestResource(self.hs)
for servlet in self.servlets:
servlet(worker_hs, resource)
self._worker_hs_to_resource[worker_hs] = resource
return worker_hs
def _get_worker_hs_config(self) -> dict:
config = self.default_config()
config["worker_replication_host"] = "testserv"
config["worker_replication_http_port"] = "8765"
return config
def render_on_worker(self, worker_hs: HomeServer, request: SynapseRequest):
render(request, self._worker_hs_to_resource[worker_hs], self.reactor)
def replicate(self):
"""Tell the master side of replication that something has happened, and then
wait for the replication to occur.
"""
self.streamer.on_notifier_poke()
self.pump()
def _handle_http_replication_attempt(self):
"""Handles a connection attempt to the master replication HTTP
listener.
"""
# We should have at least one outbound connection attempt, where the
# last is one to the HTTP repication IP/port.
clients = self.reactor.tcpClients
self.assertGreaterEqual(len(clients), 1)
(host, port, client_factory, _timeout, _bindAddress) = clients.pop()
self.assertEqual(host, "1.2.3.4")
self.assertEqual(port, 8765)
# Set up client side protocol
client_protocol = client_factory.buildProtocol(None)
request_factory = OneShotRequestFactory()
# Set up the server side protocol
channel = _PushHTTPChannel(self.reactor)
channel.requestFactory = request_factory
channel.site = self.site
# Connect client to server and vice versa.
client_to_server_transport = FakeTransport(
channel, self.reactor, client_protocol
)
client_protocol.makeConnection(client_to_server_transport)
server_to_client_transport = FakeTransport(
client_protocol, self.reactor, channel
)
channel.makeConnection(server_to_client_transport)
# Note: at this point we've wired everything up, but we need to return
# before the data starts flowing over the connections as this is called
# inside `connecTCP` before the connection has been passed back to the
# code that requested the TCP connection.
class TestReplicationDataHandler(GenericWorkerReplicationHandler):
"""Drop-in for ReplicationDataHandler which just collects RDATA rows"""
@ -241,6 +395,14 @@ class _PushHTTPChannel(HTTPChannel):
# We need to manually stop the _PullToPushProducer.
self._pull_to_push_producer.stop()
def checkPersistence(self, request, version):
"""Check whether the connection can be re-used
"""
# We hijack this to always say no for ease of wiring stuff up in
# `handle_http_replication_attempt`.
request.responseHeaders.setRawHeaders(b"connection", [b"close"])
return False
class _PullToPushProducer:
"""A push producer that wraps a pull producer.

59
tests/replication/test_client_reader_shard.py
View file

@ -15,63 +15,26 @@
import logging
from synapse.api.constants import LoginType
from synapse.app.generic_worker import GenericWorkerServer
from synapse.http.server import JsonResource
from synapse.http.site import SynapseRequest
from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
from synapse.rest.client.v2_alpha import register
from tests import unittest
from tests.replication._base import BaseMultiWorkerStreamTestCase
from tests.rest.client.v2_alpha.test_auth import DummyRecaptchaChecker
from tests.server import FakeChannel, render
from tests.server import FakeChannel
logger = logging.getLogger(__name__)
class ClientReaderTestCase(unittest.HomeserverTestCase):
class ClientReaderTestCase(BaseMultiWorkerStreamTestCase):
"""Base class for tests of the replication streams"""
servlets = [
register.register_servlets,
]
servlets = [register.register_servlets]
def prepare(self, reactor, clock, hs):
# build a replication server
self.server_factory = ReplicationStreamProtocolFactory(hs)
self.streamer = hs.get_replication_streamer()
store = hs.get_datastore()
self.database = store.db
self.recaptcha_checker = DummyRecaptchaChecker(hs)
auth_handler = hs.get_auth_handler()
auth_handler.checkers[LoginType.RECAPTCHA] = self.recaptcha_checker
self.reactor.lookups["testserv"] = "1.2.3.4"
def make_worker_hs(self, extra_config={}):
config = self._get_worker_hs_config()
config.update(extra_config)
worker_hs = self.setup_test_homeserver(
homeserverToUse=GenericWorkerServer, config=config, reactor=self.reactor,
)
store = worker_hs.get_datastore()
store.db._db_pool = self.database._db_pool
# Register the expected servlets, essentially this is HomeserverTestCase.create_test_json_resource.
resource = JsonResource(self.hs)
for servlet in self.servlets:
servlet(worker_hs, resource)
# Essentially HomeserverTestCase.render.
def _render(request):
render(request, self.resource, self.reactor)
return worker_hs, _render
def _get_worker_hs_config(self) -> dict:
config = self.default_config()
config["worker_app"] = "synapse.app.client_reader"
@ -82,14 +45,14 @@ class ClientReaderTestCase(unittest.HomeserverTestCase):
def test_register_single_worker(self):
"""Test that registration works when using a single client reader worker.
"""
_, worker_render = self.make_worker_hs()
worker_hs = self.make_worker_hs("synapse.app.client_reader")
request_1, channel_1 = self.make_request(
"POST",
"register",
{"username": "user", "type": "m.login.password", "password": "bar"},
) # type: SynapseRequest, FakeChannel
worker_render(request_1)
self.render_on_worker(worker_hs, request_1)
self.assertEqual(request_1.code, 401)
# Grab the session
@ -99,7 +62,7 @@ class ClientReaderTestCase(unittest.HomeserverTestCase):
request_2, channel_2 = self.make_request(
"POST", "register", {"auth": {"session": session, "type": "m.login.dummy"}}
) # type: SynapseRequest, FakeChannel
worker_render(request_2)
self.render_on_worker(worker_hs, request_2)
self.assertEqual(request_2.code, 200)
# We're given a registered user.
@ -108,15 +71,15 @@ class ClientReaderTestCase(unittest.HomeserverTestCase):
def test_register_multi_worker(self):
"""Test that registration works when using multiple client reader workers.
"""
_, worker_render_1 = self.make_worker_hs()
_, worker_render_2 = self.make_worker_hs()
worker_hs_1 = self.make_worker_hs("synapse.app.client_reader")
worker_hs_2 = self.make_worker_hs("synapse.app.client_reader")
request_1, channel_1 = self.make_request(
"POST",
"register",
{"username": "user", "type": "m.login.password", "password": "bar"},
) # type: SynapseRequest, FakeChannel
worker_render_1(request_1)
self.render_on_worker(worker_hs_1, request_1)
self.assertEqual(request_1.code, 401)
# Grab the session
@ -126,7 +89,7 @@ class ClientReaderTestCase(unittest.HomeserverTestCase):
request_2, channel_2 = self.make_request(
"POST", "register", {"auth": {"session": session, "type": "m.login.dummy"}}
) # type: SynapseRequest, FakeChannel
worker_render_2(request_2)
self.render_on_worker(worker_hs_2, request_2)
self.assertEqual(request_2.code, 200)
# We're given a registered user.

195
tests/replication/test_federation_sender_shard.py
View file

@ -19,132 +19,40 @@ from mock import Mock
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.app.generic_worker import GenericWorkerServer
from synapse.events.builder import EventBuilderFactory
from synapse.replication.http import streams
from synapse.replication.tcp.handler import ReplicationCommandHandler
from synapse.replication.tcp.protocol import ClientReplicationStreamProtocol
from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
from synapse.rest.admin import register_servlets_for_client_rest_resource
from synapse.rest.client.v1 import login, room
from synapse.types import UserID
from tests import unittest
from tests.server import FakeTransport
from tests.replication._base import BaseMultiWorkerStreamTestCase
logger = logging.getLogger(__name__)
class BaseStreamTestCase(unittest.HomeserverTestCase):
"""Base class for tests of the replication streams"""
servlets = [
streams.register_servlets,
]
def prepare(self, reactor, clock, hs):
# build a replication server
self.server_factory = ReplicationStreamProtocolFactory(hs)
self.streamer = hs.get_replication_streamer()
store = hs.get_datastore()
self.database = store.db
self.reactor.lookups["testserv"] = "1.2.3.4"
def default_config(self):
conf = super().default_config()
conf["send_federation"] = False
return conf
def make_worker_hs(self, extra_config={}):
config = self._get_worker_hs_config()
config.update(extra_config)
mock_federation_client = Mock(spec=["put_json"])
mock_federation_client.put_json.side_effect = lambda *_, **__: defer.succeed({})
worker_hs = self.setup_test_homeserver(
http_client=mock_federation_client,
homeserverToUse=GenericWorkerServer,
config=config,
reactor=self.reactor,
)
store = worker_hs.get_datastore()
store.db._db_pool = self.database._db_pool
repl_handler = ReplicationCommandHandler(worker_hs)
client = ClientReplicationStreamProtocol(
worker_hs, "client", "test", self.clock, repl_handler,
)
server = self.server_factory.buildProtocol(None)
client_transport = FakeTransport(server, self.reactor)
client.makeConnection(client_transport)
server_transport = FakeTransport(client, self.reactor)
server.makeConnection(server_transport)
return worker_hs
def _get_worker_hs_config(self) -> dict:
config = self.default_config()
config["worker_app"] = "synapse.app.federation_sender"
config["worker_replication_host"] = "testserv"
config["worker_replication_http_port"] = "8765"
return config
def replicate(self):
"""Tell the master side of replication that something has happened, and then
wait for the replication to occur.
"""
self.streamer.on_notifier_poke()
self.pump()
def create_room_with_remote_server(self, user, token, remote_server="other_server"):
room = self.helper.create_room_as(user, tok=token)
store = self.hs.get_datastore()
federation = self.hs.get_handlers().federation_handler
prev_event_ids = self.get_success(store.get_latest_event_ids_in_room(room))
room_version = self.get_success(store.get_room_version(room))
factory = EventBuilderFactory(self.hs)
factory.hostname = remote_server
user_id = UserID("user", remote_server).to_string()
event_dict = {
"type": EventTypes.Member,
"state_key": user_id,
"content": {"membership": Membership.JOIN},
"sender": user_id,
"room_id": room,
}
builder = factory.for_room_version(room_version, event_dict)
join_event = self.get_success(builder.build(prev_event_ids))
self.get_success(federation.on_send_join_request(remote_server, join_event))
self.replicate()
return room
class FederationSenderTestCase(BaseStreamTestCase):
class FederationSenderTestCase(BaseMultiWorkerStreamTestCase):
servlets = [
login.register_servlets,
register_servlets_for_client_rest_resource,
room.register_servlets,
]
def default_config(self):
conf = super().default_config()
conf["send_federation"] = False
return conf
def test_send_event_single_sender(self):
"""Test that using a single federation sender worker correctly sends a
new event.
"""
worker_hs = self.make_worker_hs({"send_federation": True})
mock_client = worker_hs.get_http_client()
mock_client = Mock(spec=["put_json"])
mock_client.put_json.side_effect = lambda *_, **__: defer.succeed({})
self.make_worker_hs(
"synapse.app.federation_sender",
{"send_federation": True},
http_client=mock_client,
)
user = self.register_user("user", "pass")
token = self.login("user", "pass")
@ -165,23 +73,29 @@ class FederationSenderTestCase(BaseStreamTestCase):
"""Test that using two federation sender workers correctly sends
new events.
"""
worker1 = self.make_worker_hs(
mock_client1 = Mock(spec=["put_json"])
mock_client1.put_json.side_effect = lambda *_, **__: defer.succeed({})
self.make_worker_hs(
"synapse.app.federation_sender",
{
"send_federation": True,
"worker_name": "sender1",
"federation_sender_instances": ["sender1", "sender2"],
}
},
http_client=mock_client1,
)
mock_client1 = worker1.get_http_client()
worker2 = self.make_worker_hs(
mock_client2 = Mock(spec=["put_json"])
mock_client2.put_json.side_effect = lambda *_, **__: defer.succeed({})
self.make_worker_hs(
"synapse.app.federation_sender",
{
"send_federation": True,
"worker_name": "sender2",
"federation_sender_instances": ["sender1", "sender2"],
}
},
http_client=mock_client2,
)
mock_client2 = worker2.get_http_client()
user = self.register_user("user2", "pass")
token = self.login("user2", "pass")
@ -191,8 +105,8 @@ class FederationSenderTestCase(BaseStreamTestCase):
for i in range(20):
server_name = "other_server_%d" % (i,)
room = self.create_room_with_remote_server(user, token, server_name)
mock_client1.reset_mock()
mock_client2.reset_mock()
mock_client1.reset_mock() # type: ignore[attr-defined]
mock_client2.reset_mock() # type: ignore[attr-defined]
self.create_and_send_event(room, UserID.from_string(user))
self.replicate()
@ -222,23 +136,29 @@ class FederationSenderTestCase(BaseStreamTestCase):
"""Test that using two federation sender workers correctly sends
new typing EDUs.
"""
worker1 = self.make_worker_hs(
mock_client1 = Mock(spec=["put_json"])
mock_client1.put_json.side_effect = lambda *_, **__: defer.succeed({})
self.make_worker_hs(
"synapse.app.federation_sender",
{
"send_federation": True,
"worker_name": "sender1",
"federation_sender_instances": ["sender1", "sender2"],
}
},
http_client=mock_client1,
)
mock_client1 = worker1.get_http_client()
worker2 = self.make_worker_hs(
mock_client2 = Mock(spec=["put_json"])
mock_client2.put_json.side_effect = lambda *_, **__: defer.succeed({})
self.make_worker_hs(
"synapse.app.federation_sender",
{
"send_federation": True,
"worker_name": "sender2",
"federation_sender_instances": ["sender1", "sender2"],
}
},
http_client=mock_client2,
)
mock_client2 = worker2.get_http_client()
user = self.register_user("user3", "pass")
token = self.login("user3", "pass")
@ -250,8 +170,8 @@ class FederationSenderTestCase(BaseStreamTestCase):
for i in range(20):
server_name = "other_server_%d" % (i,)
room = self.create_room_with_remote_server(user, token, server_name)
mock_client1.reset_mock()
mock_client2.reset_mock()
mock_client1.reset_mock() # type: ignore[attr-defined]
mock_client2.reset_mock() # type: ignore[attr-defined]
self.get_success(
typing_handler.started_typing(
@ -284,3 +204,32 @@ class FederationSenderTestCase(BaseStreamTestCase):
self.assertTrue(sent_on_1)
self.assertTrue(sent_on_2)
def create_room_with_remote_server(self, user, token, remote_server="other_server"):
room = self.helper.create_room_as(user, tok=token)
store = self.hs.get_datastore()
federation = self.hs.get_handlers().federation_handler
prev_event_ids = self.get_success(store.get_latest_event_ids_in_room(room))
room_version = self.get_success(store.get_room_version(room))
factory = EventBuilderFactory(self.hs)
factory.hostname = remote_server
user_id = UserID("user", remote_server).to_string()
event_dict = {
"type": EventTypes.Member,
"state_key": user_id,
"content": {"membership": Membership.JOIN},
"sender": user_id,
"room_id": room,
}
builder = factory.for_room_version(room_version, event_dict)
join_event = self.get_success(builder.build(prev_event_ids))
self.get_success(federation.on_send_join_request(remote_server, join_event))
self.replicate()
return room

26
tests/server.py
View file

@ -237,6 +237,7 @@ class ThreadedMemoryReactorClock(MemoryReactorClock):
def __init__(self):
self.threadpool = ThreadPool(self)
self._tcp_callbacks = {}
self._udp = []
lookups = self.lookups = {}
@ -268,6 +269,29 @@ class ThreadedMemoryReactorClock(MemoryReactorClock):
def getThreadPool(self):
return self.threadpool
def add_tcp_client_callback(self, host, port, callback):
"""Add a callback that will be invoked when we receive a connection
attempt to the given IP/port using `connectTCP`.
Note that the callback gets run before we return the connection to the
client, which means callbacks cannot block while waiting for writes.
"""
self._tcp_callbacks[(host, port)] = callback
def connectTCP(self, host, port, factory, timeout=30, bindAddress=None):
"""Fake L{IReactorTCP.connectTCP}.
"""
conn = super().connectTCP(
host, port, factory, timeout=timeout, bindAddress=None
)
callback = self._tcp_callbacks.get((host, port))
if callback:
callback()
return conn
class ThreadPool:
"""
@ -486,7 +510,7 @@ class FakeTransport(object):
try:
self.other.dataReceived(to_write)
except Exception as e:
logger.warning("Exception writing to protocol: %s", e)
logger.exception("Exception writing to protocol: %s", e)
return
self.buffer = self.buffer[len(to_write) :]