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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 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 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.engines import create_engine
from synapse.storage import DataStore
from synapse.storage.prepare_database import prepare_database
logger = logging.getLogger("update_database")
class MockHomeserver(HomeServer):
DATASTORE_CLASS = DataStore
def __init__(self, config, database_engine, db_conn, **kwargs):
super(MockHomeserver, self).__init__(
config.server_name,
reactor=reactor,
config=config,
database_engine=database_engine,
**kwargs
)
self.database_engine = database_engine
self.db_conn = db_conn
def get_db_conn(self):
return self.db_conn
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description=(
"Updates a synapse database to the latest schema and runs background updates"
" on it."
)
)
parser.add_argument("-v", action='store_true')
parser.add_argument(
"--database-config",
type=argparse.FileType('r'),
required=True,
help="A database config file for either a SQLite3 database or a PostgreSQL one.",
)
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, "", "")
# Create the database engine and a connection to it.
database_engine = create_engine(config.database_config)
db_conn = database_engine.module.connect(
**{
k: v
for k, v in config.database_config.get("args", {}).items()
if not k.startswith("cp_")
}
)
# Update the database to the latest schema.
prepare_database(db_conn, database_engine, config=config)
db_conn.commit()
# Instantiate and initialise the homeserver object.
hs = MockHomeserver(
config,
database_engine,
db_conn,
db_config=config.database_config,
)
# setup instantiates the store within the homeserver object.
hs.setup()
store = hs.get_datastore()
@defer.inlineCallbacks
def run_background_updates():
yield store.run_background_updates(sleep=False)
# Stop the reactor to exit the script once every background update is run.
reactor.stop()
# Apply all background updates on the database.
reactor.callWhenRunning(lambda: run_as_background_process(
"background_updates", run_background_updates
))
reactor.run()
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