// 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
}
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
}
// 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
}