118 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
| #!/usr/bin/env python
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| # 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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| 
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| import argparse
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| import logging
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| from typing import cast
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| 
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| import yaml
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| 
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| from twisted.internet import defer, reactor as reactor_
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| 
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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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| 
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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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| 
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| 
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| class MockHomeserver(HomeServer):
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|     DATASTORE_CLASS = DataStore  # type: ignore [assignment]
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     reactor.callWhenRunning(run)
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| 
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|     reactor.run()
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| 
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| 
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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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| 
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|     args = parser.parse_args()
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| 
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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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| 
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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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| 
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|     config = HomeServerConfig()
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|     config.parse_config_dict(hs_config, "", "")
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| 
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|     # Instantiate and initialise the homeserver object.
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|     hs = MockHomeserver(config)
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| 
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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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| 
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|     if args.run_background_updates:
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|         run_background_updates(hs)
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| 
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| 
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| if __name__ == "__main__":
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|     main()
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