'Any initialization the volume driver does while starting.'

def do_setup(self, context):

    self.context = context
    na_utils.check_flags(self.REQUIRED_FLAGS, self.configuration)
    self._client = self._create_rest_client(self.configuration)
    self._check_mode_get_or_register_storage_system()
    self._version_check()
    if self.configuration.netapp_enable_multiattach:
        self._ensure_multi_attach_host_group_exists()
