# File lib/fog/openstack/core.rb, line 58
      def credentials
        options = {
          :provider                    => 'openstack',
          :openstack_auth_url          => @openstack_auth_uri.to_s,
          :openstack_auth_token        => @auth_token,
          :openstack_identity_endpoint => @openstack_identity_public_endpoint,
          :current_user                => @current_user,
          :current_user_id             => @current_user_id,
          :current_tenant              => @current_tenant,
          :unscoped_token              => @unscoped_token
        }
        openstack_options.merge options
      end