Description of Datera volume driver configuration options

Configuration option = Default value	Description
[DEFAULT]
datera_api_port = 7717	(StrOpt) Datera API port.
datera_api_token = None	(StrOpt) DEPRECATED: This will be removed in the Liberty release. Use san_login and san_password instead. This directly sets the Datera API token.
datera_api_version = 1	(StrOpt) Datera API version.
datera_num_replicas = 3	(StrOpt) Number of replicas to create of an inode.
driver_client_cert = None	(StrOpt) The path to the client certificate for verification, if the driver supports it.
driver_client_cert_key = None	(StrOpt) The path to the client certificate key for verification, if the driver supports it.