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Update code to refer to "workers". (#15606)

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A bunch of comments and variables are out of date and use
obsolete terms.
This commit is contained in:
Patrick Cloke 2023-05-16 15:56:38 -04:00 committed by GitHub
parent 7148c2a0d6
commit 375b0a8a11
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17 changed files with 38 additions and 69 deletions
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1
changelog.d/15606.misc Normal file
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@ -0,0 +1 @@
Update internal terminology for workers.

6
docs/replication.md
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@ -30,12 +30,6 @@ minimal.
See [the TCP replication documentation](tcp_replication.md).
### The Slaved DataStore
There are read-only version of the synapse storage layer in
`synapse/replication/slave/storage` that use the response of the
replication API to invalidate their caches.
### The TCP Replication Module
Information about how the tcp replication module is structured, including how
the classes interact, can be found in

4
synapse/app/admin_cmd.py
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@ -64,7 +64,7 @@ from synapse.util.logcontext import LoggingContext
logger = logging.getLogger("synapse.app.admin_cmd")
class AdminCmdSlavedStore(
class AdminCmdStore(
FilteringWorkerStore,
ClientIpWorkerStore,
DeviceWorkerStore,
@ -103,7 +103,7 @@ class AdminCmdSlavedStore(
class AdminCmdServer(HomeServer):
DATASTORE_CLASS = AdminCmdSlavedStore # type: ignore
DATASTORE_CLASS = AdminCmdStore # type: ignore
async def export_data_command(hs: HomeServer, args: argparse.Namespace) -> None:

4
synapse/app/generic_worker.py
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@ -102,7 +102,7 @@ from synapse.util.httpresourcetree import create_resource_tree
logger = logging.getLogger("synapse.app.generic_worker")
class GenericWorkerSlavedStore(
class GenericWorkerStore(
# FIXME(#3714): We need to add UserDirectoryStore as we write directly
# rather than going via the correct worker.
UserDirectoryStore,
@ -154,7 +154,7 @@ class GenericWorkerSlavedStore(
class GenericWorkerServer(HomeServer):
DATASTORE_CLASS = GenericWorkerSlavedStore # type: ignore
DATASTORE_CLASS = GenericWorkerStore # type: ignore
def _listen_http(self, listener_config: ListenerConfig) -> None:
assert listener_config.http_options is not None

6
synapse/module_api/__init__.py
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@ -134,7 +134,7 @@ from synapse.util.caches.descriptors import CachedFunction, cached as _cached
from synapse.util.frozenutils import freeze
if TYPE_CHECKING:
from synapse.app.generic_worker import GenericWorkerSlavedStore
from synapse.app.generic_worker import GenericWorkerStore
from synapse.server import HomeServer
@ -237,9 +237,7 @@ class ModuleApi:
# TODO: Fix this type hint once the types for the data stores have been ironed
# out.
self._store: Union[
DataStore, "GenericWorkerSlavedStore"
] = hs.get_datastores().main
self._store: Union[DataStore, "GenericWorkerStore"] = hs.get_datastores().main
self._storage_controllers = hs.get_storage_controllers()
self._auth = hs.get_auth()
self._auth_handler = auth_handler

4
synapse/replication/tcp/client.py
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@ -60,7 +60,7 @@ _WAIT_FOR_REPLICATION_TIMEOUT_SECONDS = 5
class ReplicationDataHandler:
"""Handles incoming stream updates from replication.
This instance notifies the slave data store about updates. Can be subclassed
This instance notifies the data store about updates. Can be subclassed
to handle updates in additional ways.
"""
@ -91,7 +91,7 @@ class ReplicationDataHandler:
) -> None:
"""Called to handle a batch of replication data with a given stream token.
By default this just pokes the slave store. Can be overridden in subclasses to
By default, this just pokes the data store. Can be overridden in subclasses to
handle more.
Args:

7
synapse/storage/databases/main/account_data.py
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@ -85,13 +85,10 @@ class AccountDataWorkerStore(PushRulesWorkerStore, CacheInvalidationWorkerStore)
writers=hs.config.worker.writers.account_data,
)
else:
# Multiple writers are not supported for SQLite.
#
# We shouldn't be running in worker mode with SQLite, but its useful
# to support it for unit tests.
#
# If this process is the writer than we need to use
# `StreamIdGenerator`, otherwise we use `SlavedIdTracker` which gets
# updated over replication. (Multiple writers are not supported for
# SQLite).
self._account_data_id_gen = StreamIdGenerator(
db_conn,
hs.get_replication_notifier(),

14
synapse/storage/databases/main/cache.py
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@ -274,11 +274,11 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
async def invalidate_cache_and_stream(
self, cache_name: str, keys: Tuple[Any, ...]
) -> None:
"""Invalidates the cache and adds it to the cache stream so slaves
"""Invalidates the cache and adds it to the cache stream so other workers
will know to invalidate their caches.
This should only be used to invalidate caches where slaves won't
otherwise know from other replication streams that the cache should
This should only be used to invalidate caches where other workers won't
otherwise have known from other replication streams that the cache should
be invalidated.
"""
cache_func = getattr(self, cache_name, None)
@ -297,11 +297,11 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
cache_func: CachedFunction,
keys: Tuple[Any, ...],
) -> None:
"""Invalidates the cache and adds it to the cache stream so slaves
"""Invalidates the cache and adds it to the cache stream so other workers
will know to invalidate their caches.
This should only be used to invalidate caches where slaves won't
otherwise know from other replication streams that the cache should
This should only be used to invalidate caches where other workers won't
otherwise have known from other replication streams that the cache should
be invalidated.
"""
txn.call_after(cache_func.invalidate, keys)
@ -310,7 +310,7 @@ class CacheInvalidationWorkerStore(SQLBaseStore):
def _invalidate_all_cache_and_stream(
self, txn: LoggingTransaction, cache_func: CachedFunction
) -> None:
"""Invalidates the entire cache and adds it to the cache stream so slaves
"""Invalidates the entire cache and adds it to the cache stream so other workers
will know to invalidate their caches.
"""

2
synapse/storage/databases/main/devices.py
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@ -105,8 +105,6 @@ class DeviceWorkerStore(RoomMemberWorkerStore, EndToEndKeyWorkerStore):
is_writer=hs.config.worker.worker_app is None,
)
# Type-ignore: _device_list_id_gen is mixed in from either DataStore (as a
# StreamIdGenerator) or SlavedDataStore (as a SlavedIdTracker).
device_list_max = self._device_list_id_gen.get_current_token()
device_list_prefill, min_device_list_id = self.db_pool.get_cache_dict(
db_conn,

7
synapse/storage/databases/main/events_worker.py
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@ -213,13 +213,10 @@ class EventsWorkerStore(SQLBaseStore):
writers=hs.config.worker.writers.events,
)
else:
# Multiple writers are not supported for SQLite.
#
# We shouldn't be running in worker mode with SQLite, but its useful
# to support it for unit tests.
#
# If this process is the writer than we need to use
# `StreamIdGenerator`, otherwise we use `SlavedIdTracker` which gets
# updated over replication. (Multiple writers are not supported for
# SQLite).
self._stream_id_gen = StreamIdGenerator(
db_conn,
hs.get_replication_notifier(),

7
synapse/storage/databases/main/receipts.py
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@ -85,13 +85,10 @@ class ReceiptsWorkerStore(SQLBaseStore):
else:
self._can_write_to_receipts = True
# Multiple writers are not supported for SQLite.
#
# We shouldn't be running in worker mode with SQLite, but its useful
# to support it for unit tests.
#
# If this process is the writer than we need to use
# `StreamIdGenerator`, otherwise we use `SlavedIdTracker` which gets
# updated over replication. (Multiple writers are not supported for
# SQLite).
self._receipts_id_gen = StreamIdGenerator(
db_conn,
hs.get_replication_notifier(),

2
synapse/storage/schema/main/delta/34/cache_stream.py
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@ -21,7 +21,7 @@ from synapse.storage.prepare_database import get_statements
logger = logging.getLogger(__name__)
# This stream is used to notify replication slaves that some caches have
# This stream is used to notify workers over replication that some caches have
# been invalidated that they cannot infer from the other streams.
CREATE_TABLE = """
CREATE TABLE cache_invalidation_stream (

2
tests/app/test_openid_listener.py
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@ -38,7 +38,7 @@ class FederationReaderOpenIDListenerTests(HomeserverTestCase):
def default_config(self) -> JsonDict:
conf = super().default_config()
# we're using FederationReaderServer, which uses a SlavedStore, so we
# we're using GenericWorkerServer, which uses a GenericWorkerStore, so we
# have to tell the FederationHandler not to try to access stuff that is only
# in the primary store.
conf["worker_app"] = "yes"

13
tests/replication/slave/storage/__init__.py
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@ -1,13 +0,0 @@
# Copyright 2016 OpenMarket 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.

0
tests/replication/slave/__init__.py → tests/replication/storage/__init__.py
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18
tests/replication/slave/storage/_base.py → tests/replication/storage/_base.py
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@ -24,7 +24,7 @@ from synapse.util import Clock
from tests.replication._base import BaseStreamTestCase
class BaseSlavedStoreTestCase(BaseStreamTestCase):
class BaseWorkerStoreTestCase(BaseStreamTestCase):
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
return self.setup_test_homeserver(federation_client=Mock())
@ -34,7 +34,7 @@ class BaseSlavedStoreTestCase(BaseStreamTestCase):
self.reconnect()
self.master_store = hs.get_datastores().main
self.slaved_store = self.worker_hs.get_datastores().main
self.worker_store = self.worker_hs.get_datastores().main
persistence = hs.get_storage_controllers().persistence
assert persistence is not None
self.persistance = persistence
@ -50,7 +50,7 @@ class BaseSlavedStoreTestCase(BaseStreamTestCase):
self, method: str, args: Iterable[Any], expected_result: Optional[Any] = None
) -> None:
master_result = self.get_success(getattr(self.master_store, method)(*args))
slaved_result = self.get_success(getattr(self.slaved_store, method)(*args))
worker_result = self.get_success(getattr(self.worker_store, method)(*args))
if expected_result is not None:
self.assertEqual(
master_result,
@ -59,14 +59,14 @@ class BaseSlavedStoreTestCase(BaseStreamTestCase):
% (expected_result, master_result),
)
self.assertEqual(
slaved_result,
worker_result,
expected_result,
"Expected slave result to be %r but was %r"
% (expected_result, slaved_result),
"Expected worker result to be %r but was %r"
% (expected_result, worker_result),
)
self.assertEqual(
master_result,
slaved_result,
"Slave result %r does not match master result %r"
% (slaved_result, master_result),
worker_result,
"Worker result %r does not match master result %r"
% (worker_result, master_result),
)

10
tests/replication/slave/storage/test_events.py → tests/replication/storage/test_events.py
View file

@ -36,7 +36,7 @@ from synapse.util import Clock
from tests.server import FakeTransport
from ._base import BaseSlavedStoreTestCase
from ._base import BaseWorkerStoreTestCase
USER_ID = "@feeling:test"
USER_ID_2 = "@bright:test"
@ -63,7 +63,7 @@ def patch__eq__(cls: object) -> Callable[[], None]:
return unpatch
class EventsWorkerStoreTestCase(BaseSlavedStoreTestCase):
class EventsWorkerStoreTestCase(BaseWorkerStoreTestCase):
STORE_TYPE = EventsWorkerStore
def setUp(self) -> None:
@ -294,7 +294,7 @@ class EventsWorkerStoreTestCase(BaseSlavedStoreTestCase):
assert j2.internal_metadata.stream_ordering is not None
event_source = RoomEventSource(self.hs)
event_source.store = self.slaved_store
event_source.store = self.worker_store
current_token = event_source.get_current_key()
# gradually stream out the replication
@ -310,12 +310,12 @@ class EventsWorkerStoreTestCase(BaseSlavedStoreTestCase):
#
# First, we get a list of the rooms we are joined to
joined_rooms = self.get_success(
self.slaved_store.get_rooms_for_user_with_stream_ordering(USER_ID_2)
self.worker_store.get_rooms_for_user_with_stream_ordering(USER_ID_2)
)
# Then, we get a list of the events since the last sync
membership_changes = self.get_success(
self.slaved_store.get_membership_changes_for_user(
self.worker_store.get_membership_changes_for_user(
USER_ID_2, prev_token, current_token
)
)