forked-synapse/synapse/config/database.py
2015-04-27 15:57:43 +01:00

74 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket Ltd
#
# 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.
from ._base import Config
import os
import yaml
class DatabaseConfig(Config):
def __init__(self, args):
super(DatabaseConfig, self).__init__(args)
if args.database_path == ":memory:":
self.database_path = ":memory:"
else:
self.database_path = self.abspath(args.database_path)
self.event_cache_size = self.parse_size(args.event_cache_size)
if args.database_config:
with open(args.database_config) as f:
self.database_config = yaml.safe_load(f)
else:
self.database_config = {
"name": "sqlite3",
"args": {
"database": self.database_path,
},
}
name = self.database_config.get("name", None)
if name == "psycopg2":
pass
elif name == "sqlite3":
self.database_config.setdefault("args", {}).update({
"cp_min": 1,
"cp_max": 1,
"check_same_thread": False,
})
else:
raise RuntimeError("Unsupported database type '%s'" % (name,))
@classmethod
def add_arguments(cls, parser):
super(DatabaseConfig, cls).add_arguments(parser)
db_group = parser.add_argument_group("database")
db_group.add_argument(
"-d", "--database-path", default="homeserver.db",
metavar="SQLITE_DATABASE_PATH", help="The database name."
)
db_group.add_argument(
"--event-cache-size", default="100K",
help="Number of events to cache in memory."
)
db_group.add_argument(
"--database-config", default=None,
help="Location of the database configuration file."
)
@classmethod
def generate_config(cls, args, config_dir_path):
super(DatabaseConfig, cls).generate_config(args, config_dir_path)
args.database_path = os.path.abspath(args.database_path)