// getDeploymentForPod returns the deployment managing the given Pod.
func (dc *DeploymentController) getDeploymentForPod(pod *v1.Pod) *extensions.Deployment {
// Find the owning replica set
var rs *extensions.ReplicaSet
var err error
// Look at the owner reference
controllerRef := controller.GetControllerOf(&pod.ObjectMeta)
if controllerRef != nil {
// Not a pod owned by a replica set.
if controllerRef.Kind != extensions.SchemeGroupVersion.WithKind("ReplicaSet").Kind {
return nil
}
rs, err = dc.rsLister.ReplicaSets(pod.Namespace).Get(controllerRef.Name)
if err != nil {
glog.V(4).Infof("Cannot get replicaset %q for pod %q: %v", controllerRef.Name, pod.Name, err)
return nil
}
} else {
// Fallback to listing replica sets.
rss, err := dc.rsLister.GetPodReplicaSets(pod)
if err != nil {
glog.V(4).Infof("Cannot list replica sets for pod %q: %v", pod.Name, err)
return nil
}
// TODO: Handle multiple replica sets gracefully
// For now we return the oldest replica set.
if len(rss) > 1 {
utilruntime.HandleError(fmt.Errorf("more than one ReplicaSet is selecting pod %q with labels: %+v", pod.Name, pod.Labels))
sort.Sort(controller.ReplicaSetsByCreationTimestamp(rss))
}
rs = rss[0]
}
return dc.getDeploymentForReplicaSet(rs)
}
})
if err != nil {
err = fmt.Errorf("Failed to wait to see if the garbage collecter mistakenly deletes the rs: %v", err)
remainingRSs, err := rsClient.List(v1.ListOptions{})
if err != nil {
framework.Failf("failed to list RSs post mortem: %v", err)
} else {
framework.Failf("remaining rs post mortem: %#v", remainingRSs)
}
remainingDSs, err := deployClient.List(v1.ListOptions{})
if err != nil {
framework.Failf("failed to list Deployments post mortem: %v", err)
} else {
framework.Failf("remaining deployment's post mortem: %#v", remainingDSs)
}
}
rs, err := clientSet.Extensions().ReplicaSets(f.Namespace.Name).List(v1.ListOptions{})
if err != nil {
framework.Failf("Failed to list ReplicaSet %v", err)
}
for _, replicaSet := range rs.Items {
if controller.GetControllerOf(&replicaSet.ObjectMeta) != nil {
framework.Failf("Found ReplicaSet with non nil ownerRef %v", replicaSet)
}
}
gatherMetrics(f)
})
})