// NewProxyCommand provides a CLI handler for the 'proxy' command
func NewProxyCommand(name, fullName string, out io.Writer) *cobra.Command {
proxyConfig := app.NewProxyConfig()
cmd := &cobra.Command{
Use: name,
Short: "Launch Kubernetes proxy (kube-proxy)",
Long: proxyLong,
Run: func(c *cobra.Command, args []string) {
startProfiler()
util.InitLogs()
defer util.FlushLogs()
s, err := app.NewProxyServerDefault(proxyConfig)
kcmdutil.CheckErr(err)
if err := s.Run(pflag.CommandLine.Args()); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
},
}
cmd.SetOutput(out)
flags := cmd.Flags()
flags.SetNormalizeFunc(util.WordSepNormalizeFunc)
flags.AddGoFlagSet(flag.CommandLine)
proxyConfig.AddFlags(flags)
return cmd
}
func NewHollowProxyOrDie(
nodeName string,
client *client.Client,
endpointsConfig *proxyconfig.EndpointsConfig,
serviceConfig *proxyconfig.ServiceConfig,
iptInterface utiliptables.Interface,
broadcaster record.EventBroadcaster,
recorder record.EventRecorder,
) *HollowProxy {
// Create and start Hollow Proxy
config := proxyapp.NewProxyConfig()
config.OOMScoreAdj = 0
config.ResourceContainer = ""
config.NodeRef = &api.ObjectReference{
Kind: "Node",
Name: nodeName,
UID: types.UID(nodeName),
Namespace: "",
}
proxyconfig.NewSourceAPI(
client,
30*time.Second,
serviceConfig.Channel("api"),
endpointsConfig.Channel("api"),
)
hollowProxy, err := proxyapp.NewProxyServer(client, config, iptInterface, &FakeProxier{}, broadcaster, recorder, nil)
if err != nil {
glog.Fatalf("Error while creating ProxyServer: %v\n", err)
}
return &HollowProxy{
ProxyServer: hollowProxy,
}
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
config := app.NewProxyConfig()
config.AddFlags(pflag.CommandLine)
util.InitFlags()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
s, err := app.NewProxyServerDefault(config)
if err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
if err = s.Run(pflag.CommandLine.Args()); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
}
func NewKubeProxy() *Server {
config := kubeproxy.NewProxyConfig()
hks := Server{
SimpleUsage: hyperkube.CommandProxy,
Long: `The Kubernetes proxy server is responsible for taking traffic directed at
services and forwarding it to the appropriate pods. It generally runs on
nodes next to the Kubelet and proxies traffic from local pods to remote pods.
It is also used when handling incoming external traffic.`,
}
config.AddFlags(hks.Flags())
hks.Run = func(_ *Server, args []string) error {
s, err := kubeproxy.NewProxyServerDefault(config)
if err != nil {
return err
}
return s.Run(args)
}
return &hks
}