kubernetes-cn/kubernetes: pkg/controller/util/node/controller_utils.go; 32 LoC

Found a possible issue in [kubernetes-cn/kubernetes](https://www.github.com/kubernetes-cn/kubernetes) at [pkg/controller/util/node/controller_utils.go](https://github.com/kubernetes-cn/kubernetes/blob/c3bec0bae43b4c46800a13f44534ce6cd14b5f40/pkg/controller/util/node/controller_utils.go#L61-L92)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first
issue it finds, so please do not limit your consideration to the contents of the below message.

>

[Click here to see the code in its original context.](https://github.com/kubernetes-cn/kubernetes/blob/c3bec0bae43b4c46800a13f44534ce6cd14b5f40/pkg/controller/util/node/controller_utils.go#L61-L92)

Click here to show the 32 line(s) of Go which triggered the analyzer.

```go
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 apierrors.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
}

klog.V(2).Infof("Starting deletion of pod %v/%v", pod.Namespace, pod.Name)
recorder.Eventf(&pod, v1.EventTypeNormal, "NodeControllerEviction", "Marking for deletion Pod %s from Node %s", pod.Name, nodeName)
if err := kubeClient.CoreV1().Pods(pod.Namespace).Delete(pod.Name, nil); err != nil {
return false, err
}
remaining = true
}

```

Click here to show extra information the analyzer produced.

```
No path was found through the callgraph that could lead to a function which writes a pointer argument.

No path was found through the callgraph that could lead to a function which passes a pointer to third-party code.

root signature {Eventf 6} was not found in the callgraph; reference was passed directly to third-party code
```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: c3bec0bae43b4c46800a13f44534ce6cd14b5f40