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-rw-r--r--synapse/config/database.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/synapse/config/database.py b/synapse/config/database.py
index 87efe54645..8dc9873f8c 100644
--- a/synapse/config/database.py
+++ b/synapse/config/database.py
@@ -26,6 +26,11 @@ 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:
+            self.database_config = self.abspath(args.database_config)
+        else:
+            self.database_config = None
+
     @classmethod
     def add_arguments(cls, parser):
         super(DatabaseConfig, cls).add_arguments(parser)
@@ -38,6 +43,10 @@ class DatabaseConfig(Config):
             "--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):