Ejemplo n.º 1
0
// RunKubelet is responsible for setting up and running a kubelet.  It is used in three different applications:
//   1 Integration tests
//   2 Kubelet binary
//   3 Standalone 'kubernetes' binary
// Eventually, #2 will be replaced with instances of #3
func RunKubelet(kcfg *KubeletConfig) {
	kcfg.Hostname = util.GetHostname(kcfg.HostnameOverride)
	if kcfg.KubeClient != nil {
		kubelet.SetupEventSending(kcfg.KubeClient, kcfg.Hostname)
	} else {
		glog.Infof("No api server defined - no events will be sent.")
	}
	kubelet.SetupLogging()
	kubelet.SetupCapabilities(kcfg.AllowPrivileged)

	cfg := makePodSourceConfig(kcfg)
	k, err := createAndInitKubelet(kcfg, cfg)
	if err != nil {
		glog.Errorf("Failed to create kubelet: %s", err)
		return
	}
	// process pods and exit.
	if kcfg.Runonce {
		if _, err := k.RunOnce(cfg.Updates()); err != nil {
			glog.Errorf("--runonce failed: %v", err)
		}
	} else {
		startKubelet(k, cfg, kcfg)
	}
}
Ejemplo n.º 2
0
// RunKubelet is responsible for setting up and running a kubelet.  It is used in three different applications:
//   1 Integration tests
//   2 Kubelet binary
//   3 Standalone 'kubernetes' binary
// Eventually, #2 will be replaced with instances of #3
func RunKubelet(kcfg *KubeletConfig) {
	kcfg.Hostname = util.GetHostname(kcfg.HostnameOverride)
	kcfg.Recorder = record.FromSource(api.EventSource{Component: "kubelet", Host: kcfg.Hostname})
	if kcfg.KubeClient != nil {
		kubelet.SetupEventSending(kcfg.KubeClient, kcfg.Hostname)
	} else {
		glog.Infof("No api server defined - no events will be sent.")
	}
	kubelet.SetupLogging()
	kubelet.SetupCapabilities(kcfg.AllowPrivileged)

	credentialprovider.SetPreferredDockercfgPath(kcfg.RootDirectory)

	podCfg := makePodSourceConfig(kcfg)
	k, err := createAndInitKubelet(kcfg, podCfg)
	if err != nil {
		glog.Errorf("Failed to create kubelet: %s", err)
		return
	}
	// process pods and exit.
	if kcfg.Runonce {
		if _, err := k.RunOnce(podCfg.Updates()); err != nil {
			glog.Errorf("--runonce failed: %v", err)
		}
	} else {
		startKubelet(k, podCfg, kcfg)
	}
}