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#!/usr/bin/env python
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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.
import argparse
import logging
import sys
import yaml
from matrix_common.versionstring import get_distribution_version_string
from twisted.internet import defer, reactor
from synapse.config.homeserver import HomeServerConfig
from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.server import HomeServer
from synapse.storage import DataStore
logger = logging.getLogger("update_database")
class MockHomeserver(HomeServer):
DATASTORE_CLASS = DataStore
def __init__(self, config, **kwargs):
super(MockHomeserver, self).__init__(
config.server.server_name, reactor=reactor, config=config, **kwargs
)
self.version_string = "Synapse/" + get_distribution_version_string(
"matrix-synapse"
)
def run_background_updates(hs):
store = hs.get_datastores().main
async def run_background_updates():
await store.db_pool.updates.run_background_updates(sleep=False)
# Stop the reactor to exit the script once every background update is run.
reactor.stop()
def run():
# Apply all background updates on the database.
defer.ensureDeferred(
run_as_background_process("background_updates", run_background_updates)
)
reactor.callWhenRunning(run)
reactor.run()
def main():
parser = argparse.ArgumentParser(
description=(
"Updates a synapse database to the latest schema and optionally runs background updates"
" on it."
)
)
parser.add_argument("-v", action="store_true")
parser.add_argument(
"--database-config",
type=argparse.FileType("r"),
required=True,
help="Synapse configuration file, giving the details of the database to be updated",
)
parser.add_argument(
"--run-background-updates",
action="store_true",
required=False,
help="run background updates after upgrading the database schema",
)
args = parser.parse_args()
logging_config = {
"level": logging.DEBUG if args.v else logging.INFO,
"format": "%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s",
}
logging.basicConfig(**logging_config)
# Load, process and sanity-check the config.
hs_config = yaml.safe_load(args.database_config)
if "database" not in hs_config:
sys.stderr.write("The configuration file must have a 'database' section.\n")
sys.exit(4)
config = HomeServerConfig()
config.parse_config_dict(hs_config, "", "")
# Instantiate and initialise the homeserver object.
hs = MockHomeserver(config)
# Setup instantiates the store within the homeserver object and updates the
# DB.
hs.setup()
if args.run_background_updates:
run_background_updates(hs)
if __name__ == "__main__":
main()
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