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Consistently print errors to stderr and add newlines to cordon

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This commit is contained in:
Clayton Coleman
2018-09-14 00:12:06 -04:00
parent 95c99eb052
commit c291d3d7ed
2 changed files with 13 additions and 12 deletions
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18
pkg/kubectl/cmd/drain/drain.go
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@@ -728,24 +728,24 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
if nodeInfo.Mapping.GroupVersionKind.Kind == "Node" {
obj, err := scheme.Scheme.ConvertToVersion(nodeInfo.Object, nodeInfo.Mapping.GroupVersionKind.GroupVersion())
if err != nil {
fmt.Printf("error: unable to %s node %q: %v", cordonOrUncordon, nodeInfo.Name, err)
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: %v\n", cordonOrUncordon, nodeInfo.Name, err)
continue
}
oldData, err := json.Marshal(obj)
if err != nil {
fmt.Printf("error: unable to %s node %q: %v", cordonOrUncordon, nodeInfo.Name, err)
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: %v\n", cordonOrUncordon, nodeInfo.Name, err)
continue
}
node, ok := obj.(*corev1.Node)
if !ok {
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: unexpected Type%T, expected Node", cordonOrUncordon, nodeInfo.Name, obj)
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: unexpected Type%T, expected Node\n", cordonOrUncordon, nodeInfo.Name, obj)
continue
}
unsched := node.Spec.Unschedulable
if unsched == desired {
printObj, err := o.ToPrinter(already(desired))
if err != nil {
fmt.Printf("error: %v", err)
fmt.Fprintf(o.ErrOut, "error: %v\n", err)
continue
}
printObj(cmdutil.AsDefaultVersionedOrOriginal(nodeInfo.Object, nodeInfo.Mapping), o.Out)
@@ -755,23 +755,23 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
node.Spec.Unschedulable = desired
newData, err := json.Marshal(obj)
if err != nil {
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: %v", cordonOrUncordon, nodeInfo.Name, err)
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: %v\n", cordonOrUncordon, nodeInfo.Name, err)
continue
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, obj)
if err != nil {
fmt.Printf("error: unable to %s node %q: %v", cordonOrUncordon, nodeInfo.Name, err)
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: %v\n", cordonOrUncordon, nodeInfo.Name, err)
continue
}
_, err = helper.Patch(o.Namespace, nodeInfo.Name, types.StrategicMergePatchType, patchBytes, nil)
if err != nil {
fmt.Printf("error: unable to %s node %q: %v", cordonOrUncordon, nodeInfo.Name, err)
fmt.Fprintf(o.ErrOut, "error: unable to %s node %q: %v\n", cordonOrUncordon, nodeInfo.Name, err)
continue
}
}
printObj, err := o.ToPrinter(changed(desired))
if err != nil {
fmt.Fprintf(o.ErrOut, "%v", err)
fmt.Fprintf(o.ErrOut, "%v\n", err)
continue
}
printObj(cmdutil.AsDefaultVersionedOrOriginal(nodeInfo.Object, nodeInfo.Mapping), o.Out)
@@ -779,7 +779,7 @@ func (o *DrainOptions) RunCordonOrUncordon(desired bool) error {
} else {
printObj, err := o.ToPrinter("skipped")
if err != nil {
fmt.Fprintf(o.ErrOut, "%v", err)
fmt.Fprintf(o.ErrOut, "%v\n", err)
continue
}
printObj(cmdutil.AsDefaultVersionedOrOriginal(nodeInfo.Object, nodeInfo.Mapping), o.Out)