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()
}
func RunPortForward(f *Factory, cmd *cobra.Command, args []string) error {
podName := util.GetFlagString(cmd, "pod")
if len(podName) == 0 {
return util.UsageError(cmd, "POD is required for exec")
}
if len(args) < 1 {
return util.UsageError(cmd, "at least 1 PORT is required for port-forward")
}
namespace, err := f.DefaultNamespace()
if err != nil {
return err
}
client, err := f.Client()
if err != nil {
return err
}
pod, err := client.Pods(namespace).Get(podName)
if err != nil {
return err
}
if pod.Status.Phase != api.PodRunning {
glog.Fatalf("Unable to execute command because pod is not running. Current status=%v", pod.Status.Phase)
}
config, err := f.ClientConfig()
if err != nil {
return err
}
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt)
defer signal.Stop(signals)
stopCh := make(chan struct{}, 1)
go func() {
<-signals
close(stopCh)
}()
req := client.RESTClient.Get().
Prefix("proxy").
Resource("minions").
Name(pod.Status.Host).
Suffix("portForward", namespace, podName)
pf, err := portforward.New(req, config, args, stopCh)
if err != nil {
return err
}
return pf.ForwardPorts()
}