# File lib/fog/network/openstack/requests/update_lb_vip.rb, line 5
        def update_lb_vip(vip_id, options = {})
          data = {'vip' => {}}

          vanilla_options = [:pool_id, :name, :description, :session_persistence, :connection_limit, :admin_state_up]
          vanilla_options.select { |o| options.key?(o) }.each do |key|
            data['vip'][key] = options[key]
          end

          request(
            :body    => Fog::JSON.encode(data),
            :expects => 200,
            :method  => 'PUT',
            :path    => "lb/vips/#{vip_id}"
          )
        end