# File lib/fog/network/openstack/requests/create_lb_vip.rb, line 5
        def create_lb_vip(subnet_id, pool_id, protocol, protocol_port, options = {})
          data = {
            'vip' => {
              'subnet_id'     => subnet_id,
              'pool_id'       => pool_id,
              'protocol'      => protocol,
              'protocol_port' => protocol_port
            }
          }

          vanilla_options = [:name, :description, :address, :session_persistence, :connection_limit,
                             :admin_state_up, :tenant_id]
          vanilla_options.reject { |o| options[o].nil? }.each do |key|
            data['vip'][key] = options[key]
          end

          request(
            :body    => Fog::JSON.encode(data),
            :expects => [201],
            :method  => 'POST',
            :path    => 'lb/vips'
          )
        end