mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-27 12:42:39 +00:00
472 lines
17 KiB
Python
472 lines
17 KiB
Python
from typing import List, Tuple
|
|
from unittest.mock import Mock
|
|
|
|
from synapse.api.constants import EventTypes
|
|
from synapse.events import EventBase
|
|
from synapse.federation.sender import PerDestinationQueue, TransactionManager
|
|
from synapse.federation.units import Edu
|
|
from synapse.rest import admin
|
|
from synapse.rest.client.v1 import login, room
|
|
from synapse.util.retryutils import NotRetryingDestination
|
|
|
|
from tests.test_utils import event_injection, make_awaitable
|
|
from tests.unittest import FederatingHomeserverTestCase, override_config
|
|
|
|
|
|
class FederationCatchUpTestCases(FederatingHomeserverTestCase):
|
|
servlets = [
|
|
admin.register_servlets,
|
|
room.register_servlets,
|
|
login.register_servlets,
|
|
]
|
|
|
|
def make_homeserver(self, reactor, clock):
|
|
return self.setup_test_homeserver(
|
|
federation_transport_client=Mock(spec=["send_transaction"]),
|
|
)
|
|
|
|
def prepare(self, reactor, clock, hs):
|
|
# stub out get_current_hosts_in_room
|
|
state_handler = hs.get_state_handler()
|
|
|
|
# This mock is crucial for destination_rooms to be populated.
|
|
state_handler.get_current_hosts_in_room = Mock(
|
|
return_value=make_awaitable(["test", "host2"])
|
|
)
|
|
|
|
# whenever send_transaction is called, record the pdu data
|
|
self.pdus = []
|
|
self.failed_pdus = []
|
|
self.is_online = True
|
|
self.hs.get_federation_transport_client().send_transaction.side_effect = (
|
|
self.record_transaction
|
|
)
|
|
|
|
async def record_transaction(self, txn, json_cb):
|
|
if self.is_online:
|
|
data = json_cb()
|
|
self.pdus.extend(data["pdus"])
|
|
return {}
|
|
else:
|
|
data = json_cb()
|
|
self.failed_pdus.extend(data["pdus"])
|
|
raise NotRetryingDestination(0, 24 * 60 * 60 * 1000, txn.destination)
|
|
|
|
def get_destination_room(self, room: str, destination: str = "host2") -> dict:
|
|
"""
|
|
Gets the destination_rooms entry for a (destination, room_id) pair.
|
|
|
|
Args:
|
|
room: room ID
|
|
destination: what destination, default is "host2"
|
|
|
|
Returns:
|
|
Dictionary of { event_id: str, stream_ordering: int }
|
|
"""
|
|
event_id, stream_ordering = self.get_success(
|
|
self.hs.get_datastore().db_pool.execute(
|
|
"test:get_destination_rooms",
|
|
None,
|
|
"""
|
|
SELECT event_id, stream_ordering
|
|
FROM destination_rooms dr
|
|
JOIN events USING (stream_ordering)
|
|
WHERE dr.destination = ? AND dr.room_id = ?
|
|
""",
|
|
destination,
|
|
room,
|
|
)
|
|
)[0]
|
|
return {"event_id": event_id, "stream_ordering": stream_ordering}
|
|
|
|
@override_config({"send_federation": True})
|
|
def test_catch_up_destination_rooms_tracking(self):
|
|
"""
|
|
Tests that we populate the `destination_rooms` table as needed.
|
|
"""
|
|
self.register_user("u1", "you the one")
|
|
u1_token = self.login("u1", "you the one")
|
|
room = self.helper.create_room_as("u1", tok=u1_token)
|
|
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room, "@user:host2", "join")
|
|
)
|
|
|
|
event_id_1 = self.helper.send(room, "wombats!", tok=u1_token)["event_id"]
|
|
|
|
row_1 = self.get_destination_room(room)
|
|
|
|
event_id_2 = self.helper.send(room, "rabbits!", tok=u1_token)["event_id"]
|
|
|
|
row_2 = self.get_destination_room(room)
|
|
|
|
# check: events correctly registered in order
|
|
self.assertEqual(row_1["event_id"], event_id_1)
|
|
self.assertEqual(row_2["event_id"], event_id_2)
|
|
self.assertEqual(row_1["stream_ordering"], row_2["stream_ordering"] - 1)
|
|
|
|
@override_config({"send_federation": True})
|
|
def test_catch_up_last_successful_stream_ordering_tracking(self):
|
|
"""
|
|
Tests that we populate the `destination_rooms` table as needed.
|
|
"""
|
|
self.register_user("u1", "you the one")
|
|
u1_token = self.login("u1", "you the one")
|
|
room = self.helper.create_room_as("u1", tok=u1_token)
|
|
|
|
# take the remote offline
|
|
self.is_online = False
|
|
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room, "@user:host2", "join")
|
|
)
|
|
|
|
self.helper.send(room, "wombats!", tok=u1_token)
|
|
self.pump()
|
|
|
|
lsso_1 = self.get_success(
|
|
self.hs.get_datastore().get_destination_last_successful_stream_ordering(
|
|
"host2"
|
|
)
|
|
)
|
|
|
|
self.assertIsNone(
|
|
lsso_1,
|
|
"There should be no last successful stream ordering for an always-offline destination",
|
|
)
|
|
|
|
# bring the remote online
|
|
self.is_online = True
|
|
|
|
event_id_2 = self.helper.send(room, "rabbits!", tok=u1_token)["event_id"]
|
|
|
|
lsso_2 = self.get_success(
|
|
self.hs.get_datastore().get_destination_last_successful_stream_ordering(
|
|
"host2"
|
|
)
|
|
)
|
|
row_2 = self.get_destination_room(room)
|
|
|
|
self.assertEqual(
|
|
self.pdus[0]["content"]["body"],
|
|
"rabbits!",
|
|
"Test fault: didn't receive the right PDU",
|
|
)
|
|
self.assertEqual(
|
|
row_2["event_id"],
|
|
event_id_2,
|
|
"Test fault: destination_rooms not updated correctly",
|
|
)
|
|
self.assertEqual(
|
|
lsso_2,
|
|
row_2["stream_ordering"],
|
|
"Send succeeded but not marked as last_successful_stream_ordering",
|
|
)
|
|
|
|
@override_config({"send_federation": True}) # critical to federate
|
|
def test_catch_up_from_blank_state(self):
|
|
"""
|
|
Runs an overall test of federation catch-up from scratch.
|
|
Further tests will focus on more narrow aspects and edge-cases, but I
|
|
hope to provide an overall view with this test.
|
|
"""
|
|
# bring the other server online
|
|
self.is_online = True
|
|
|
|
# let's make some events for the other server to receive
|
|
self.register_user("u1", "you the one")
|
|
u1_token = self.login("u1", "you the one")
|
|
room_1 = self.helper.create_room_as("u1", tok=u1_token)
|
|
room_2 = self.helper.create_room_as("u1", tok=u1_token)
|
|
|
|
# also critical to federate
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_1, "@user:host2", "join")
|
|
)
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_2, "@user:host2", "join")
|
|
)
|
|
|
|
self.helper.send_state(
|
|
room_1, event_type="m.room.topic", body={"topic": "wombat"}, tok=u1_token
|
|
)
|
|
|
|
# check: PDU received for topic event
|
|
self.assertEqual(len(self.pdus), 1)
|
|
self.assertEqual(self.pdus[0]["type"], "m.room.topic")
|
|
|
|
# take the remote offline
|
|
self.is_online = False
|
|
|
|
# send another event
|
|
self.helper.send(room_1, "hi user!", tok=u1_token)
|
|
|
|
# check: things didn't go well since the remote is down
|
|
self.assertEqual(len(self.failed_pdus), 1)
|
|
self.assertEqual(self.failed_pdus[0]["content"]["body"], "hi user!")
|
|
|
|
# let's delete the federation transmission queue
|
|
# (this pretends we are starting up fresh.)
|
|
self.assertFalse(
|
|
self.hs.get_federation_sender()
|
|
._per_destination_queues["host2"]
|
|
.transmission_loop_running
|
|
)
|
|
del self.hs.get_federation_sender()._per_destination_queues["host2"]
|
|
|
|
# let's also clear any backoffs
|
|
self.get_success(
|
|
self.hs.get_datastore().set_destination_retry_timings("host2", None, 0, 0)
|
|
)
|
|
|
|
# bring the remote online and clear the received pdu list
|
|
self.is_online = True
|
|
self.pdus = []
|
|
|
|
# now we need to initiate a federation transaction somehow…
|
|
# to do that, let's send another event (because it's simple to do)
|
|
# (do it to another room otherwise the catch-up logic decides it doesn't
|
|
# need to catch up room_1 — something I overlooked when first writing
|
|
# this test)
|
|
self.helper.send(room_2, "wombats!", tok=u1_token)
|
|
|
|
# we should now have received both PDUs
|
|
self.assertEqual(len(self.pdus), 2)
|
|
self.assertEqual(self.pdus[0]["content"]["body"], "hi user!")
|
|
self.assertEqual(self.pdus[1]["content"]["body"], "wombats!")
|
|
|
|
def make_fake_destination_queue(
|
|
self, destination: str = "host2"
|
|
) -> Tuple[PerDestinationQueue, List[EventBase]]:
|
|
"""
|
|
Makes a fake per-destination queue.
|
|
"""
|
|
transaction_manager = TransactionManager(self.hs)
|
|
per_dest_queue = PerDestinationQueue(self.hs, transaction_manager, destination)
|
|
results_list = []
|
|
|
|
async def fake_send(
|
|
destination_tm: str,
|
|
pending_pdus: List[EventBase],
|
|
_pending_edus: List[Edu],
|
|
) -> bool:
|
|
assert destination == destination_tm
|
|
results_list.extend(pending_pdus)
|
|
return True # success!
|
|
|
|
transaction_manager.send_new_transaction = fake_send
|
|
|
|
return per_dest_queue, results_list
|
|
|
|
@override_config({"send_federation": True})
|
|
def test_catch_up_loop(self):
|
|
"""
|
|
Tests the behaviour of _catch_up_transmission_loop.
|
|
"""
|
|
|
|
# ARRANGE:
|
|
# - a local user (u1)
|
|
# - 3 rooms which u1 is joined to (and remote user @user:host2 is
|
|
# joined to)
|
|
# - some events (1 to 5) in those rooms
|
|
# we have 'already sent' events 1 and 2 to host2
|
|
per_dest_queue, sent_pdus = self.make_fake_destination_queue()
|
|
|
|
self.register_user("u1", "you the one")
|
|
u1_token = self.login("u1", "you the one")
|
|
room_1 = self.helper.create_room_as("u1", tok=u1_token)
|
|
room_2 = self.helper.create_room_as("u1", tok=u1_token)
|
|
room_3 = self.helper.create_room_as("u1", tok=u1_token)
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_1, "@user:host2", "join")
|
|
)
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_2, "@user:host2", "join")
|
|
)
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_3, "@user:host2", "join")
|
|
)
|
|
|
|
# create some events
|
|
self.helper.send(room_1, "you hear me!!", tok=u1_token)
|
|
event_id_2 = self.helper.send(room_2, "wombats!", tok=u1_token)["event_id"]
|
|
self.helper.send(room_3, "Matrix!", tok=u1_token)
|
|
event_id_4 = self.helper.send(room_2, "rabbits!", tok=u1_token)["event_id"]
|
|
event_id_5 = self.helper.send(room_3, "Synapse!", tok=u1_token)["event_id"]
|
|
|
|
# destination_rooms should already be populated, but let us pretend that we already
|
|
# sent (successfully) up to and including event id 2
|
|
event_2 = self.get_success(self.hs.get_datastore().get_event(event_id_2))
|
|
|
|
# also fetch event 5 so we know its last_successful_stream_ordering later
|
|
event_5 = self.get_success(self.hs.get_datastore().get_event(event_id_5))
|
|
|
|
self.get_success(
|
|
self.hs.get_datastore().set_destination_last_successful_stream_ordering(
|
|
"host2", event_2.internal_metadata.stream_ordering
|
|
)
|
|
)
|
|
|
|
# ACT
|
|
self.get_success(per_dest_queue._catch_up_transmission_loop())
|
|
|
|
# ASSERT, noticing in particular:
|
|
# - event 3 not sent out, because event 5 replaces it
|
|
# - order is least recent first, so event 5 comes after event 4
|
|
# - catch-up is completed
|
|
self.assertEqual(len(sent_pdus), 2)
|
|
self.assertEqual(sent_pdus[0].event_id, event_id_4)
|
|
self.assertEqual(sent_pdus[1].event_id, event_id_5)
|
|
self.assertFalse(per_dest_queue._catching_up)
|
|
self.assertEqual(
|
|
per_dest_queue._last_successful_stream_ordering,
|
|
event_5.internal_metadata.stream_ordering,
|
|
)
|
|
|
|
@override_config({"send_federation": True})
|
|
def test_catch_up_on_synapse_startup(self):
|
|
"""
|
|
Tests the behaviour of get_catch_up_outstanding_destinations and
|
|
_wake_destinations_needing_catchup.
|
|
"""
|
|
|
|
# list of sorted server names (note that there are more servers than the batch
|
|
# size used in get_catch_up_outstanding_destinations).
|
|
server_names = ["server%02d" % number for number in range(42)] + ["zzzerver"]
|
|
|
|
# ARRANGE:
|
|
# - a local user (u1)
|
|
# - a room which u1 is joined to (and remote users @user:serverXX are
|
|
# joined to)
|
|
|
|
# mark the remotes as online
|
|
self.is_online = True
|
|
|
|
self.register_user("u1", "you the one")
|
|
u1_token = self.login("u1", "you the one")
|
|
room_id = self.helper.create_room_as("u1", tok=u1_token)
|
|
|
|
for server_name in server_names:
|
|
self.get_success(
|
|
event_injection.inject_member_event(
|
|
self.hs, room_id, "@user:%s" % server_name, "join"
|
|
)
|
|
)
|
|
|
|
# create an event
|
|
self.helper.send(room_id, "deary me!", tok=u1_token)
|
|
|
|
# ASSERT:
|
|
# - All servers are up to date so none should have outstanding catch-up
|
|
outstanding_when_successful = self.get_success(
|
|
self.hs.get_datastore().get_catch_up_outstanding_destinations(None)
|
|
)
|
|
self.assertEqual(outstanding_when_successful, [])
|
|
|
|
# ACT:
|
|
# - Make the remote servers unreachable
|
|
self.is_online = False
|
|
|
|
# - Mark zzzerver as being backed-off from
|
|
now = self.clock.time_msec()
|
|
self.get_success(
|
|
self.hs.get_datastore().set_destination_retry_timings(
|
|
"zzzerver", now, now, 24 * 60 * 60 * 1000 # retry in 1 day
|
|
)
|
|
)
|
|
|
|
# - Send an event
|
|
self.helper.send(room_id, "can anyone hear me?", tok=u1_token)
|
|
|
|
# ASSERT (get_catch_up_outstanding_destinations):
|
|
# - all remotes are outstanding
|
|
# - they are returned in batches of 25, in order
|
|
outstanding_1 = self.get_success(
|
|
self.hs.get_datastore().get_catch_up_outstanding_destinations(None)
|
|
)
|
|
|
|
self.assertEqual(len(outstanding_1), 25)
|
|
self.assertEqual(outstanding_1, server_names[0:25])
|
|
|
|
outstanding_2 = self.get_success(
|
|
self.hs.get_datastore().get_catch_up_outstanding_destinations(
|
|
outstanding_1[-1]
|
|
)
|
|
)
|
|
self.assertNotIn("zzzerver", outstanding_2)
|
|
self.assertEqual(len(outstanding_2), 17)
|
|
self.assertEqual(outstanding_2, server_names[25:-1])
|
|
|
|
# ACT: call _wake_destinations_needing_catchup
|
|
|
|
# patch wake_destination to just count the destinations instead
|
|
woken = []
|
|
|
|
def wake_destination_track(destination):
|
|
woken.append(destination)
|
|
|
|
self.hs.get_federation_sender().wake_destination = wake_destination_track
|
|
|
|
# cancel the pre-existing timer for _wake_destinations_needing_catchup
|
|
# this is because we are calling it manually rather than waiting for it
|
|
# to be called automatically
|
|
self.hs.get_federation_sender()._catchup_after_startup_timer.cancel()
|
|
|
|
self.get_success(
|
|
self.hs.get_federation_sender()._wake_destinations_needing_catchup(), by=5.0
|
|
)
|
|
|
|
# ASSERT (_wake_destinations_needing_catchup):
|
|
# - all remotes are woken up, save for zzzerver
|
|
self.assertNotIn("zzzerver", woken)
|
|
# - all destinations are woken exactly once; they appear once in woken.
|
|
self.assertCountEqual(woken, server_names[:-1])
|
|
|
|
@override_config({"send_federation": True})
|
|
def test_not_latest_event(self):
|
|
"""Test that we send the latest event in the room even if its not ours."""
|
|
|
|
per_dest_queue, sent_pdus = self.make_fake_destination_queue()
|
|
|
|
# Make a room with a local user, and two servers. One will go offline
|
|
# and one will send some events.
|
|
self.register_user("u1", "you the one")
|
|
u1_token = self.login("u1", "you the one")
|
|
room_1 = self.helper.create_room_as("u1", tok=u1_token)
|
|
|
|
self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_1, "@user:host2", "join")
|
|
)
|
|
event_1 = self.get_success(
|
|
event_injection.inject_member_event(self.hs, room_1, "@user:host3", "join")
|
|
)
|
|
|
|
# First we send something from the local server, so that we notice the
|
|
# remote is down and go into catchup mode.
|
|
self.helper.send(room_1, "you hear me!!", tok=u1_token)
|
|
|
|
# Now simulate us receiving an event from the still online remote.
|
|
event_2 = self.get_success(
|
|
event_injection.inject_event(
|
|
self.hs,
|
|
type=EventTypes.Message,
|
|
sender="@user:host3",
|
|
room_id=room_1,
|
|
content={"msgtype": "m.text", "body": "Hello"},
|
|
)
|
|
)
|
|
|
|
self.get_success(
|
|
self.hs.get_datastore().set_destination_last_successful_stream_ordering(
|
|
"host2", event_1.internal_metadata.stream_ordering
|
|
)
|
|
)
|
|
|
|
self.get_success(per_dest_queue._catch_up_transmission_loop())
|
|
|
|
# We expect only the last message from the remote, event_2, to have been
|
|
# sent, rather than the last *local* event that was sent.
|
|
self.assertEqual(len(sent_pdus), 1)
|
|
self.assertEqual(sent_pdus[0].event_id, event_2.event_id)
|
|
self.assertFalse(per_dest_queue._catching_up)
|