# File lib/fog/network/openstack/requests/update_rbac_policy.rb, line 5
        def update_rbac_policy(rbac_policy_id, options = {})
          data = {'rbac_policy' => {}}

          vanilla_options = [:target_tenant]
          vanilla_options.select { |o| options.key?(o) }.each do |key|
            data['rbac_policy'][key] = options[key]
          end

          request(
            :body    => Fog::JSON.encode(data),
            :expects => 200,
            :method  => 'PUT',
            :path    => "rbac-policies/#{rbac_policy_id}"
          )
        end