// deletePods will delete all pods from master running on given node, and return true
// if any pods were deleted, or were found pending deletion.
func deletePods(kubeClient clientset.Interface, recorder record.EventRecorder, nodeName, nodeUID string, daemonStore cache.StoreToDaemonSetLister) (bool, error) {
remaining := false
selector := fields.OneTermEqualSelector(api.PodHostField, nodeName)
options := api.ListOptions{FieldSelector: selector}
pods, err := kubeClient.Core().Pods(api.NamespaceAll).List(options)
var updateErrList []error
if err != nil {
return remaining, err
}
if len(pods.Items) > 0 {
recordNodeEvent(recorder, nodeName, nodeUID, api.EventTypeNormal, "DeletingAllPods", fmt.Sprintf("Deleting all Pods from Node %v.", nodeName))
}
for _, pod := range pods.Items {
// Defensive check, also needed for tests.
if pod.Spec.NodeName != nodeName {
continue
}
// Set reason and message in the pod object.
if _, err = setPodTerminationReason(kubeClient, &pod, nodeName); err != nil {
if errors.IsConflict(err) {
updateErrList = append(updateErrList,
fmt.Errorf("update status failed for pod %q: %v", format.Pod(&pod), err))
continue
}
}
// if the pod has already been marked for deletion, we still return true that there are remaining pods.
if pod.DeletionGracePeriodSeconds != nil {
remaining = true
continue
}
// if the pod is managed by a daemonset, ignore it
_, err := daemonStore.GetPodDaemonSets(&pod)
if err == nil { // No error means at least one daemonset was found
continue
}
glog.V(2).Infof("Starting deletion of pod %v", pod.Name)
recorder.Eventf(&pod, api.EventTypeNormal, "NodeControllerEviction", "Marking for deletion Pod %s from Node %s", pod.Name, nodeName)
if err := kubeClient.Core().Pods(pod.Namespace).Delete(pod.Name, nil); err != nil {
return false, err
}
remaining = true
}
if len(updateErrList) > 0 {
return false, utilerrors.NewAggregate(updateErrList)
}
return remaining, nil
}
// deletePods will delete all pods from master running on given node, and return true
// if any pods were deleted.
func deletePods(kubeClient clientset.Interface, recorder record.EventRecorder, nodeName, nodeUID string, daemonStore cache.StoreToDaemonSetLister) (bool, error) {
remaining := false
selector := fields.OneTermEqualSelector(api.PodHostField, nodeName)
options := api.ListOptions{FieldSelector: selector}
pods, err := kubeClient.Core().Pods(api.NamespaceAll).List(options)
if err != nil {
return remaining, err
}
if len(pods.Items) > 0 {
recordNodeEvent(recorder, nodeName, nodeUID, api.EventTypeNormal, "DeletingAllPods", fmt.Sprintf("Deleting all Pods from Node %v.", nodeName))
}
for _, pod := range pods.Items {
// Defensive check, also needed for tests.
if pod.Spec.NodeName != nodeName {
continue
}
// if the pod has already been deleted, ignore it
if pod.DeletionGracePeriodSeconds != nil {
continue
}
// if the pod is managed by a daemonset, ignore it
_, err := daemonStore.GetPodDaemonSets(&pod)
if err == nil { // No error means at least one daemonset was found
continue
}
glog.V(2).Infof("Starting deletion of pod %v", pod.Name)
recorder.Eventf(&pod, api.EventTypeNormal, "NodeControllerEviction", "Marking for deletion Pod %s from Node %s", pod.Name, nodeName)
if err := kubeClient.Core().Pods(pod.Namespace).Delete(pod.Name, nil); err != nil {
return false, err
}
remaining = true
}
return remaining, nil
}