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Avoid the API call to update pod if nothing is changed

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Signed-off-by: Dave Chen <dave.chen@arm.com>
This commit is contained in:
Dave Chen 2020-08-24 10:50:12 +08:00
parent 92e51c1901
commit 77056e89e4
1 changed files with 5 additions and 0 deletions
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5
pkg/scheduler/util/utils.go
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@ -133,6 +133,11 @@ func PatchPod(cs kubernetes.Interface, old *v1.Pod, new *v1.Pod) error {
if err != nil { if err != nil {
return fmt.Errorf("failed to create merge patch for pod %q/%q: %v", old.Namespace, old.Name, err) return fmt.Errorf("failed to create merge patch for pod %q/%q: %v", old.Namespace, old.Name, err)
} }
if "{}" == string(patchBytes) {
return nil
}
_, err = cs.CoreV1().Pods(old.Namespace).Patch(context.TODO(), old.Name, types.StrategicMergePatchType, patchBytes, metav1.PatchOptions{}, "status") _, err = cs.CoreV1().Pods(old.Namespace).Patch(context.TODO(), old.Name, types.StrategicMergePatchType, patchBytes, metav1.PatchOptions{}, "status")
return err return err
} }