Ejemplo n.º 1
0
// setPodHostAndAnnotations sets the given pod's host to 'machine' if and only if it was
// previously 'oldMachine' and merges the provided annotations with those of the pod.
// Returns the current state of the pod, or an error.
func (r *BindingREST) setPodHostAndAnnotations(ctx api.Context, podID, oldMachine, machine string, annotations map[string]string) (finalPod *api.Pod, err error) {
	podKey, err := r.store.KeyFunc(ctx, podID)
	if err != nil {
		return nil, err
	}
	err = r.store.Storage.GuaranteedUpdate(ctx, podKey, &api.Pod{}, false, nil, storage.SimpleUpdate(func(obj runtime.Object) (runtime.Object, error) {
		pod, ok := obj.(*api.Pod)
		if !ok {
			return nil, fmt.Errorf("unexpected object: %#v", obj)
		}
		if pod.DeletionTimestamp != nil {
			return nil, fmt.Errorf("pod %s is being deleted, cannot be assigned to a host", pod.Name)
		}
		if pod.Spec.NodeName != oldMachine {
			return nil, fmt.Errorf("pod %v is already assigned to node %q", pod.Name, pod.Spec.NodeName)
		}
		pod.Spec.NodeName = machine
		if pod.Annotations == nil {
			pod.Annotations = make(map[string]string)
		}
		for k, v := range annotations {
			pod.Annotations[k] = v
		}
		api.UpdatePodCondition(&pod.Status, &api.PodCondition{
			Type:   api.PodScheduled,
			Status: api.ConditionTrue,
		})
		finalPod = pod
		return pod, nil
	}))
	return finalPod, err
}
Ejemplo n.º 2
0
func (p *podConditionUpdater) Update(pod *api.Pod, condition *api.PodCondition) error {
	glog.V(2).Infof("Updating pod condition for %s/%s to (%s==%s)", pod.Namespace, pod.Name, condition.Type, condition.Status)
	if api.UpdatePodCondition(&pod.Status, condition) {
		_, err := p.Pods(pod.Namespace).UpdateStatus(pod)
		return err
	}
	return nil
}
Ejemplo n.º 3
0
// generateAPIPodStatus creates the final API pod status for a pod, given the
// internal pod status.
func (kl *Kubelet) generateAPIPodStatus(pod *api.Pod, podStatus *kubecontainer.PodStatus) api.PodStatus {
	glog.V(3).Infof("Generating status for %q", format.Pod(pod))

	// check if an internal module has requested the pod is evicted.
	for _, podSyncHandler := range kl.PodSyncHandlers {
		if result := podSyncHandler.ShouldEvict(pod); result.Evict {
			return api.PodStatus{
				Phase:   api.PodFailed,
				Reason:  result.Reason,
				Message: result.Message,
			}
		}
	}

	s := kl.convertStatusToAPIStatus(pod, podStatus)

	// Assume info is ready to process
	spec := &pod.Spec
	allStatus := append(append([]api.ContainerStatus{}, s.ContainerStatuses...), s.InitContainerStatuses...)
	s.Phase = GetPhase(spec, allStatus)
	kl.probeManager.UpdatePodStatus(pod.UID, s)
	s.Conditions = append(s.Conditions, status.GeneratePodInitializedCondition(spec, s.InitContainerStatuses, s.Phase))
	s.Conditions = append(s.Conditions, status.GeneratePodReadyCondition(spec, s.ContainerStatuses, s.Phase))
	// s (the PodStatus we are creating) will not have a PodScheduled condition yet, because converStatusToAPIStatus()
	// does not create one. If the existing PodStatus has a PodScheduled condition, then copy it into s and make sure
	// it is set to true. If the existing PodStatus does not have a PodScheduled condition, then create one that is set to true.
	if _, oldPodScheduled := api.GetPodCondition(&pod.Status, api.PodScheduled); oldPodScheduled != nil {
		s.Conditions = append(s.Conditions, *oldPodScheduled)
	}
	api.UpdatePodCondition(&pod.Status, &api.PodCondition{
		Type:   api.PodScheduled,
		Status: api.ConditionTrue,
	})

	if !kl.standaloneMode {
		hostIP, err := kl.getHostIPAnyWay()
		if err != nil {
			glog.V(4).Infof("Cannot get host IP: %v", err)
		} else {
			s.HostIP = hostIP.String()
			if podUsesHostNetwork(pod) && s.PodIP == "" {
				s.PodIP = hostIP.String()
			}
		}
	}

	return *s
}