Esempio n. 1
0
func (*defaultPortForwarder) ForwardPorts(req *client.Request, config *client.Config, ports []string, stopChan <-chan struct{}) error {
	fw, err := portforward.New(req, config, ports, stopChan)
	if err != nil {
		return err
	}
	return fw.ForwardPorts()
}
Esempio n. 2
0
// StartForwardingToPod starts forwarding requests to the given pod on the given target port
// If no localPort has been defined on the tunnel, a random available port will be assigned
// The tunnel is started in the background (using a goroutine), and will need to be stopped with Stop()
// It returns an error if it can't start the tunnel.
func (tunnel *Tunnel) StartForwardingToPod(podName string, namespace string, targetPort int, restClient *kclientapi.RESTClient, clientConfig *kclientapi.Config) error {
	req := restClient.Post().
		Resource("pods").
		Namespace(namespace).
		Name(podName).
		SubResource("portforward")

	if tunnel.LocalPort == 0 {
		port, err := getRandomAvailableLocalPort()
		if err != nil {
			return err
		}
		tunnel.LocalPort = port
	}

	port := fmt.Sprintf("%v:%v", tunnel.LocalPort, targetPort)
	ports := []string{port}

	fw, err := portforward.New(req, clientConfig, ports, tunnel.stopChan)
	if err != nil {
		return err
	}

	go func(localPort int) {
		err = fw.ForwardPorts()
		if err != nil {
			fmt.Printf("Failed to forward localPort %v to remotePort %v on pod %s: %v\n", localPort, targetPort, podName, err)
		}
	}(tunnel.LocalPort)

	return nil
}