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89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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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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import logging
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from synapse.storage.data_stores.state import StateGroupDataStore
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from synapse.storage.database import Database, make_conn
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from synapse.storage.engines import create_engine
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from synapse.storage.prepare_database import prepare_database
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logger = logging.getLogger(__name__)
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class DataStores(object):
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"""The various data stores.
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These are low level interfaces to physical databases.
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Attributes:
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main (DataStore)
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"""
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def __init__(self, main_store_class, hs):
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# Note we pass in the main store class here as workers use a different main
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# store.
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self.databases = []
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self.main = None
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self.state = None
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for database_config in hs.config.database.databases:
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db_name = database_config.name
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engine = create_engine(database_config.config)
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with make_conn(database_config, engine) as db_conn:
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logger.info("Preparing database %r...", db_name)
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engine.check_database(db_conn)
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prepare_database(
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db_conn, engine, hs.config, data_stores=database_config.data_stores,
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)
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database = Database(hs, database_config, engine)
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if "main" in database_config.data_stores:
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logger.info("Starting 'main' data store")
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# Sanity check we don't try and configure the main store on
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# multiple databases.
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if self.main:
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raise Exception("'main' data store already configured")
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self.main = main_store_class(database, db_conn, hs)
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if "state" in database_config.data_stores:
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logger.info("Starting 'state' data store")
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# Sanity check we don't try and configure the state store on
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# multiple databases.
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if self.state:
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raise Exception("'state' data store already configured")
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self.state = StateGroupDataStore(database, db_conn, hs)
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db_conn.commit()
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self.databases.append(database)
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logger.info("Database %r prepared", db_name)
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# Sanity check that we have actually configured all the required stores.
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if not self.main:
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raise Exception("No 'main' data store configured")
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if not self.state:
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raise Exception("No 'main' data store configured")
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