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Wait for streams to catch up when processing HTTP replication. (#14820)

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This should hopefully mitigate a class of races where data gets out of
sync due a HTTP replication request racing with the replication streams.
This commit is contained in:
Erik Johnston 2023-01-18 19:35:29 +00:00 • committed by GitHub
parent e8f2bf5c40
commit 9187fd940e
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 225 additions and 144 deletions
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9
tests/replication/http/test__base.py
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@ -44,7 +44,7 @@ class CancellableReplicationEndpoint(ReplicationEndpoint):
@cancellable
async def _handle_request( # type: ignore[override]
self, request: Request
self, request: Request, content: JsonDict
) -> Tuple[int, JsonDict]:
await self.clock.sleep(1.0)
return HTTPStatus.OK, {"result": True}
@ -54,6 +54,7 @@ class UncancellableReplicationEndpoint(ReplicationEndpoint):
NAME = "uncancellable_sleep"
PATH_ARGS = ()
CACHE = False
WAIT_FOR_STREAMS = False
def __init__(self, hs: HomeServer):
super().__init__(hs)
@ -64,7 +65,7 @@ class UncancellableReplicationEndpoint(ReplicationEndpoint):
return {}
async def _handle_request( # type: ignore[override]
self, request: Request
self, request: Request, content: JsonDict
) -> Tuple[int, JsonDict]:
await self.clock.sleep(1.0)
return HTTPStatus.OK, {"result": True}
@ -85,7 +86,7 @@ class ReplicationEndpointCancellationTestCase(unittest.HomeserverTestCase):
def test_cancellable_disconnect(self) -> None:
"""Test that handlers with the `@cancellable` flag can be cancelled."""
path = f"{REPLICATION_PREFIX}/{CancellableReplicationEndpoint.NAME}/"
channel = self.make_request("POST", path, await_result=False)
channel = self.make_request("POST", path, await_result=False, content={})
test_disconnect(
self.reactor,
channel,
@ -96,7 +97,7 @@ class ReplicationEndpointCancellationTestCase(unittest.HomeserverTestCase):
def test_uncancellable_disconnect(self) -> None:
"""Test that handlers without the `@cancellable` flag cannot be cancelled."""
path = f"{REPLICATION_PREFIX}/{UncancellableReplicationEndpoint.NAME}/"
channel = self.make_request("POST", path, await_result=False)
channel = self.make_request("POST", path, await_result=False, content={})
test_disconnect(
self.reactor,
channel,