mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-12-22 21:49:25 -05:00
4b965c862d
Part of #9744 Removes all redundant `# -*- coding: utf-8 -*-` lines from files, as python 3 automatically reads source code as utf-8 now. `Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
122 lines
4.4 KiB
Python
122 lines
4.4 KiB
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 logging
|
|
|
|
from synapse.storage.database import DatabasePool, make_conn
|
|
from synapse.storage.databases.main.events import PersistEventsStore
|
|
from synapse.storage.databases.state import StateGroupDataStore
|
|
from synapse.storage.engines import create_engine
|
|
from synapse.storage.prepare_database import prepare_database
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class Databases:
|
|
"""The various databases.
|
|
|
|
These are low level interfaces to physical databases.
|
|
|
|
Attributes:
|
|
main (DataStore)
|
|
"""
|
|
|
|
def __init__(self, main_store_class, hs):
|
|
# Note we pass in the main store class here as workers use a different main
|
|
# store.
|
|
|
|
self.databases = []
|
|
main = None
|
|
state = None
|
|
persist_events = None
|
|
|
|
for database_config in hs.config.database.databases:
|
|
db_name = database_config.name
|
|
engine = create_engine(database_config.config)
|
|
|
|
with make_conn(database_config, engine, "startup") as db_conn:
|
|
logger.info("[database config %r]: Checking database server", db_name)
|
|
engine.check_database(db_conn)
|
|
|
|
logger.info(
|
|
"[database config %r]: Preparing for databases %r",
|
|
db_name,
|
|
database_config.databases,
|
|
)
|
|
prepare_database(
|
|
db_conn,
|
|
engine,
|
|
hs.config,
|
|
databases=database_config.databases,
|
|
)
|
|
|
|
database = DatabasePool(hs, database_config, engine)
|
|
|
|
if "main" in database_config.databases:
|
|
logger.info(
|
|
"[database config %r]: Starting 'main' database", db_name
|
|
)
|
|
|
|
# Sanity check we don't try and configure the main store on
|
|
# multiple databases.
|
|
if main:
|
|
raise Exception("'main' data store already configured")
|
|
|
|
main = main_store_class(database, db_conn, hs)
|
|
|
|
# If we're on a process that can persist events also
|
|
# instantiate a `PersistEventsStore`
|
|
if hs.get_instance_name() in hs.config.worker.writers.events:
|
|
persist_events = PersistEventsStore(hs, database, main, db_conn)
|
|
|
|
if "state" in database_config.databases:
|
|
logger.info(
|
|
"[database config %r]: Starting 'state' database", db_name
|
|
)
|
|
|
|
# Sanity check we don't try and configure the state store on
|
|
# multiple databases.
|
|
if state:
|
|
raise Exception("'state' data store already configured")
|
|
|
|
state = StateGroupDataStore(database, db_conn, hs)
|
|
|
|
db_conn.commit()
|
|
|
|
self.databases.append(database)
|
|
|
|
logger.info("[database config %r]: prepared", db_name)
|
|
|
|
# Closing the context manager doesn't close the connection.
|
|
# psycopg will close the connection when the object gets GCed, but *only*
|
|
# if the PID is the same as when the connection was opened [1], and
|
|
# it may not be if we fork in the meantime.
|
|
#
|
|
# [1]: https://github.com/psycopg/psycopg2/blob/2_8_5/psycopg/connection_type.c#L1378
|
|
|
|
db_conn.close()
|
|
|
|
# Sanity check that we have actually configured all the required stores.
|
|
if not main:
|
|
raise Exception("No 'main' database configured")
|
|
|
|
if not state:
|
|
raise Exception("No 'state' database configured")
|
|
|
|
# We use local variables here to ensure that the databases do not have
|
|
# optional types.
|
|
self.main = main
|
|
self.state = state
|
|
self.persist_events = persist_events
|