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Merge pull request #50293 from xingzhou/add-err-return

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Automatic merge from submit-queue (batch tested with PRs 45993, 50293)

Add error return for the Marshal object invocation.

Add error return for the Marshal object invocation.

**Release note**:
```
None
```
This commit is contained in:
Kubernetes Submit Queue 2017-08-08 02:54:55 -07:00 committed by GitHub
commit 38f497a665
1 changed files with 6 additions and 0 deletions
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6
pkg/kubectl/cmd/drain.go
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@ -631,6 +631,9 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
return err
}
oldData, err := json.Marshal(obj)
if err != nil {
return err
}
node, ok := obj.(*corev1.Node)
if !ok {
return fmt.Errorf("unexpected Type%T, expected Node", obj)
@ -642,6 +645,9 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
helper := resource.NewHelper(o.restClient, o.nodeInfo.Mapping)
node.Spec.Unschedulable = desired
newData, err := json.Marshal(obj)
if err != nil {
return err
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
if err != nil {
return err