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Add error return for the Marshal object invocation.

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Add error return for the Marshal object invocation.
This commit is contained in:
Xing Zhou 2017-08-08 13:38:31 +08:00
parent 3900e36d62
commit 65c28eb64f
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