--- prelude: > Prevent Unauthorized errors during uploading or donwloading data to Swift store. features: - Allow glance_store to refresh token when upload or download data to Swift store. glance_store identifies if token is going to expire soon when executing request to Swift and refresh the token. For multi-tenant swift store glance_store uses trusts, for single-tenant swift store glance_store uses credentials from swift store configurations. Please also note that this feature is enabled if and only if Keystone V3 API is available and enabled.