Example #1
0
// runOnce runs a given set of pods and returns their status.
func (kl *Kubelet) runOnce(pods []api.BoundPod) (results []RunPodResult, err error) {
	if kl.dockerPuller == nil {
		kl.dockerPuller = dockertools.NewDockerPuller(kl.dockerClient, kl.pullQPS, kl.pullBurst)
	}
	pods = filterHostPortConflicts(pods)

	ch := make(chan RunPodResult)
	for i := range pods {
		pod := pods[i] // Make a copy
		go func() {
			err := kl.runPod(pod)
			ch <- RunPodResult{&pod, err}
		}()
	}

	glog.Infof("waiting for %d pods", len(pods))
	failedPods := []string{}
	for i := 0; i < len(pods); i++ {
		res := <-ch
		results = append(results, res)
		if res.Err != nil {
			// TODO(proppy): report which containers failed the pod.
			glog.Infof("failed to start pod %q: %v", res.Pod.Name, res.Err)
			failedPods = append(failedPods, res.Pod.Name)
		} else {
			glog.Infof("started pod %q", res.Pod.Name)
		}
	}
	if len(failedPods) > 0 {
		return results, fmt.Errorf("error running pods: %v", failedPods)
	}
	glog.Infof("%d pods started", len(pods))
	return results, err
}
Example #2
0
// Run starts the kubelet reacting to config updates
func (kl *Kubelet) Run(updates <-chan PodUpdate) {
	if kl.logServer == nil {
		kl.logServer = http.StripPrefix("/logs/", http.FileServer(http.Dir("/var/log/")))
	}
	if kl.dockerPuller == nil {
		kl.dockerPuller = dockertools.NewDockerPuller(kl.dockerClient, kl.pullQPS, kl.pullBurst)
	}
	if kl.healthChecker == nil {
		kl.healthChecker = health.NewHealthChecker()
	}
	kl.syncLoop(updates, kl)
}