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synapse/tests/replication/test_sharded_receipts.py

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#
2023-11-21 21:29:58 +01:00
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2020 The Matrix.org Foundation C.I.C.
2023-11-21 21:29:58 +01:00
# 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]
#
#
import logging
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.constants import ReceiptTypes
from synapse.rest import admin
from synapse.rest.client import login, receipts, room, sync
from synapse.server import HomeServer
from synapse.storage.util.id_generators import MultiWriterIdGenerator
from synapse.types import StreamToken
from synapse.util import Clock
from tests.replication._base import BaseMultiWorkerStreamTestCase
from tests.server import make_request
logger = logging.getLogger(__name__)
class ReceiptsShardTestCase(BaseMultiWorkerStreamTestCase):
"""Checks receipts sharding works"""
servlets = [
admin.register_servlets_for_client_rest_resource,
room.register_servlets,
login.register_servlets,
sync.register_servlets,
receipts.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
# Register a user who sends a message that we'll get notified about
self.other_user_id = self.register_user("otheruser", "pass")
self.other_access_token = self.login("otheruser", "pass")
self.room_creator = self.hs.get_room_creation_handler()
self.store = hs.get_datastores().main
def default_config(self) -> dict:
conf = super().default_config()
conf["stream_writers"] = {"receipts": ["worker1", "worker2"]}
conf["instance_map"] = {
"main": {"host": "testserv", "port": 8765},
"worker1": {"host": "testserv", "port": 1001},
"worker2": {"host": "testserv", "port": 1002},
}
return conf
def test_basic(self) -> None:
"""Simple test to ensure that receipts can be sent on multiple
workers.
"""
worker1 = self.make_worker_hs(
"synapse.app.generic_worker",
{"worker_name": "worker1"},
)
worker1_site = self._hs_to_site[worker1]
worker2 = self.make_worker_hs(
"synapse.app.generic_worker",
{"worker_name": "worker2"},
)
worker2_site = self._hs_to_site[worker2]
user_id = self.register_user("user", "pass")
access_token = self.login("user", "pass")
# Create a room
room_id = self.helper.create_room_as(user_id, tok=access_token)
# The other user joins
self.helper.join(
room=room_id, user=self.other_user_id, tok=self.other_access_token
)
# First user sends a message, the other users sends a receipt.
response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token)
event_id = response["event_id"]
channel = make_request(
reactor=self.reactor,
site=worker1_site,
method="POST",
path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{event_id}",
access_token=access_token,
content={},
)
self.assertEqual(200, channel.code)
# Now we do it again using the second worker
response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token)
event_id = response["event_id"]
channel = make_request(
reactor=self.reactor,
site=worker2_site,
method="POST",
path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{event_id}",
access_token=access_token,
content={},
)
self.assertEqual(200, channel.code)
def test_vector_clock_token(self) -> None:
"""Tests that using a stream token with a vector clock component works
correctly with basic /sync usage.
"""
worker_hs1 = self.make_worker_hs(
"synapse.app.generic_worker",
{"worker_name": "worker1"},
)
worker1_site = self._hs_to_site[worker_hs1]
worker_hs2 = self.make_worker_hs(
"synapse.app.generic_worker",
{"worker_name": "worker2"},
)
worker2_site = self._hs_to_site[worker_hs2]
sync_hs = self.make_worker_hs(
"synapse.app.generic_worker",
{"worker_name": "sync"},
)
sync_hs_site = self._hs_to_site[sync_hs]
user_id = self.register_user("user", "pass")
access_token = self.login("user", "pass")
store = self.hs.get_datastores().main
room_id = self.helper.create_room_as(user_id, tok=access_token)
# The other user joins
self.helper.join(
room=room_id, user=self.other_user_id, tok=self.other_access_token
)
response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token)
first_event = response["event_id"]
# Do an initial sync so that we're up to date.
channel = make_request(
self.reactor, sync_hs_site, "GET", "/sync", access_token=access_token
)
next_batch = channel.json_body["next_batch"]
# We now gut wrench into the events stream MultiWriterIdGenerator on
# worker2 to mimic it getting stuck persisting a receipt. This ensures
# that when we send an event on worker1 we end up in a state where
# worker2 events stream position lags that on worker1, resulting in a
# receipts token with a non-empty instance map component.
#
# Worker2's receipts stream position will not advance until we call
# __aexit__ again.
worker_store2 = worker_hs2.get_datastores().main
assert isinstance(worker_store2._receipts_id_gen, MultiWriterIdGenerator)
actx = worker_store2._receipts_id_gen.get_next()
self.get_success(actx.__aenter__())
channel = make_request(
reactor=self.reactor,
site=worker1_site,
method="POST",
path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{first_event}",
access_token=access_token,
content={},
)
self.assertEqual(200, channel.code)
# Assert that the current stream token has an instance map component, as
# we are trying to test vector clock tokens.
receipts_token = store.get_max_receipt_stream_id()
self.assertGreater(len(receipts_token.instance_map), 0)
# Check that syncing still gets the new receipt, despite the gap in the
# stream IDs.
channel = make_request(
self.reactor,
sync_hs_site,
"GET",
f"/sync?since={next_batch}",
access_token=access_token,
)
# We should only see the new event and nothing else
self.assertIn(room_id, channel.json_body["rooms"]["join"])
events = channel.json_body["rooms"]["join"][room_id]["ephemeral"]["events"]
self.assertEqual(len(events), 1)
self.assertIn(first_event, events[0]["content"])
# Get the next batch and makes sure its a vector clock style token.
vector_clock_token = channel.json_body["next_batch"]
parsed_token = self.get_success(
StreamToken.from_string(store, vector_clock_token)
)
self.assertGreaterEqual(len(parsed_token.receipt_key.instance_map), 1)
# Now that we've got a vector clock token we finish the fake persisting
# a receipt we started above.
self.get_success(actx.__aexit__(None, None, None))
# Now try and send another receipts to the other worker.
response = self.helper.send(room_id, body="Hi!", tok=self.other_access_token)
second_event = response["event_id"]
channel = make_request(
reactor=self.reactor,
site=worker2_site,
method="POST",
path=f"/rooms/{room_id}/receipt/{ReceiptTypes.READ}/{second_event}",
access_token=access_token,
content={},
)
channel = make_request(
self.reactor,
sync_hs_site,
"GET",
f"/sync?since={vector_clock_token}",
access_token=access_token,
)
self.assertIn(room_id, channel.json_body["rooms"]["join"])
events = channel.json_body["rooms"]["join"][room_id]["ephemeral"]["events"]
self.assertEqual(len(events), 1)
self.assertIn(second_event, events[0]["content"])