Description of configuration options for gridfs

Configuration option = Default value	Description
[DEFAULT]
mongodb_store_db = None	(StrOpt) Database to use.
mongodb_store_uri = None	(StrOpt) Hostname or IP address of the instance to connect to, or a mongodb URI, or a list of hostnames / mongodb URIs. If host is an IPv6 literal it must be enclosed in '[' and ']' characters following the RFC2732 URL syntax (e.g. '[::1]' for localhost).