Merge branch 'develop' into key_distribution

Conflicts:
	synapse/config/homeserver.py

1 files changed, 29 insertions, 1 deletions

diff --git a/synapse/config/database.py b/synapse/config/database.py
index 87efe54645..190d119df4 100644
--- a/synapse/config/database.py
+++ b/synapse/config/database.py
@@ -15,6 +15,7 @@
 
 from ._base import Config
 import os
+import yaml
 
 
 class DatabaseConfig(Config):
@@ -26,18 +27,45 @@ class DatabaseConfig(Config):
             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",
-            help="The database name."
+            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):