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Diffstat (limited to 'synapse/config/database.py')
-rw-r--r-- | synapse/config/database.py | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/synapse/config/database.py b/synapse/config/database.py new file mode 100644 index 00000000..baeda8f3 --- /dev/null +++ b/synapse/config/database.py @@ -0,0 +1,79 @@ +# -*- 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 + + +class DatabaseConfig(Config): + + def read_config(self, config): + self.event_cache_size = self.parse_size( + config.get("event_cache_size", "10K") + ) + + self.database_config = config.get("database") + + if self.database_config is None: + self.database_config = { + "name": "sqlite3", + "args": {}, + } + + 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,)) + + self.set_databasepath(config.get("database_path")) + + def default_config(self, **kwargs): + database_path = self.abspath("homeserver.db") + return """\ + # Database configuration + database: + # The database engine name + name: "sqlite3" + # Arguments to pass to the engine + args: + # Path to the database + database: "%(database_path)s" + + # Number of events to cache in memory. + event_cache_size: "10K" + """ % locals() + + def read_arguments(self, args): + self.set_databasepath(args.database_path) + + def set_databasepath(self, database_path): + if database_path != ":memory:": + database_path = self.abspath(database_path) + if self.database_config.get("name", None) == "sqlite3": + if database_path is not None: + self.database_config["args"]["database"] = database_path + + def add_arguments(self, parser): + db_group = parser.add_argument_group("database") + db_group.add_argument( + "-d", "--database-path", metavar="SQLITE_DATABASE_PATH", + help="The path to a sqlite database to use." + ) |