mirror of
https://github.com/element-hq/synapse.git
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116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
# Copyright 2019 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import logging
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from typing import cast
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import yaml
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from twisted.internet import defer, reactor as reactor_
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from synapse.config.homeserver import HomeServerConfig
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from synapse.metrics.background_process_metrics import run_as_background_process
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from synapse.server import HomeServer
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from synapse.storage import DataStore
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from synapse.types import ISynapseReactor
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from synapse.util import SYNAPSE_VERSION
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# Cast safety: Twisted does some naughty magic which replaces the
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# twisted.internet.reactor module with a Reactor instance at runtime.
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reactor = cast(ISynapseReactor, reactor_)
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logger = logging.getLogger("update_database")
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class MockHomeserver(HomeServer):
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DATASTORE_CLASS = DataStore # type: ignore [assignment]
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def __init__(self, config: HomeServerConfig):
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super().__init__(
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hostname=config.server.server_name,
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config=config,
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reactor=reactor,
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version_string=f"Synapse/{SYNAPSE_VERSION}",
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)
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def run_background_updates(hs: HomeServer) -> None:
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main = hs.get_datastores().main
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state = hs.get_datastores().state
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async def run_background_updates() -> None:
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await main.db_pool.updates.run_background_updates(sleep=False)
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if state:
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await state.db_pool.updates.run_background_updates(sleep=False)
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# Stop the reactor to exit the script once every background update is run.
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reactor.stop()
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def run() -> None:
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# Apply all background updates on the database.
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defer.ensureDeferred(
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run_as_background_process("background_updates", run_background_updates)
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)
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reactor.callWhenRunning(run)
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reactor.run()
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def main() -> None:
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parser = argparse.ArgumentParser(
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description=(
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"Updates a synapse database to the latest schema and optionally runs background updates"
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" on it."
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)
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)
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parser.add_argument("-v", action="store_true")
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parser.add_argument(
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"--database-config",
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type=argparse.FileType("r"),
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required=True,
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help="Synapse configuration file, giving the details of the database to be updated",
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)
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parser.add_argument(
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"--run-background-updates",
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action="store_true",
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required=False,
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help="run background updates after upgrading the database schema",
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)
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args = parser.parse_args()
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logging.basicConfig(
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level=logging.DEBUG if args.v else logging.INFO,
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format="%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s",
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)
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# Load, process and sanity-check the config.
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hs_config = yaml.safe_load(args.database_config)
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config = HomeServerConfig()
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config.parse_config_dict(hs_config, "", "")
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# Instantiate and initialise the homeserver object.
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hs = MockHomeserver(config)
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# Setup instantiates the store within the homeserver object and updates the
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# DB.
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hs.setup()
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if args.run_background_updates:
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run_background_updates(hs)
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if __name__ == "__main__":
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main()
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