Merge pull request #27 from alercebroker/fix-auth-source

fix: auth source field optional

db_plugins/db/mongo/connection.py

@@ -40,6 +40,7 @@ def connect(self, config):
                     "PORT": 27017, # mongo tipically runs on port 27017.
                                    # Notice that we use an int here.
                     "DATABASE": "database",
+                    "AUTH_SOURCE": "admin" # could be admin or the same as DATABASE
                 }
         base : db_plugins.db.mongo.models.Base
             Base class to initialize the database
@@ -54,7 +55,7 @@ def connect(self, config):
             username=config["USER"],
             password=config["PASSWORD"],
             port=config["PORT"],
-            authSource=config["DATABASE"],
+            authSource=config.get("AUTH_SOURCE", config["DATABASE"]),
         )
         self.base.set_database(config["DATABASE"])
         self.database = self.client[config["DATABASE"]]