synapse/tests/storage/test_transactions.py
Mathieu Velten f0a860908b
Allow config of the backoff algorithm for the federation client. (#15754)
Adds three new configuration variables:

* destination_min_retry_interval is identical to before (10mn).
* destination_retry_multiplier is now 2 instead of 5, the maximum value will
  be reached slower.
* destination_max_retry_interval is one day instead of (essentially) infinity.

Capping this will cause destinations to continue to be retried sometimes instead
of being lost forever. The previous value was 2 ^ 62 milliseconds.
2023-08-03 14:36:55 -04:00

71 lines
2.5 KiB
Python

# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.test.proto_helpers import MemoryReactor
from synapse.server import HomeServer
from synapse.storage.databases.main.transactions import DestinationRetryTimings
from synapse.util import Clock
from tests.unittest import HomeserverTestCase
class TransactionStoreTestCase(HomeserverTestCase):
def prepare(
self, reactor: MemoryReactor, clock: Clock, homeserver: HomeServer
) -> None:
self.store = homeserver.get_datastores().main
def test_get_set_transactions(self) -> None:
"""Tests that we can successfully get a non-existent entry for
destination retries, as well as testing tht we can set and get
correctly.
"""
r = self.get_success(self.store.get_destination_retry_timings("example.com"))
self.assertIsNone(r)
self.get_success(
self.store.set_destination_retry_timings("example.com", 1000, 50, 100)
)
r = self.get_success(self.store.get_destination_retry_timings("example.com"))
self.assertEqual(
DestinationRetryTimings(
retry_last_ts=50, retry_interval=100, failure_ts=1000
),
r,
)
def test_initial_set_transactions(self) -> None:
"""Tests that we can successfully set the destination retries (there
was a bug around invalidating the cache that broke this)
"""
d = self.store.set_destination_retry_timings("example.com", 1000, 50, 100)
self.get_success(d)
def test_large_destination_retry(self) -> None:
max_retry_interval_ms = (
self.hs.config.federation.destination_max_retry_interval_ms
)
d = self.store.set_destination_retry_timings(
"example.com",
max_retry_interval_ms,
max_retry_interval_ms,
max_retry_interval_ms,
)
self.get_success(d)
d2 = self.store.get_destination_retry_timings("example.com")
self.get_success(d2)