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Merge pull request #55221 from CaoShuFeng/priority

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Automatic merge from submit-queue (batch tested with PRs 54987, 55221, 54099, 55144, 54215). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

not calculate new priority when user update other spec of a pod

motivation of this change:
If we update the priority, pod validation mechanism will prevent this update
request, this is not expected.

**Release note**:
```
Priority admission controller: not calculate new priority when user update a pod
```
This commit is contained in:
Kubernetes Submit Queue
2017-11-10 14:51:25 -08:00
committed by GitHub
parent fc61d9bc1e 1440949dc6
commit ecdf31d56c
1 changed files with 2 additions and 2 deletions
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4
plugin/pkg/admission/priority/admission.go
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@@ -105,6 +105,7 @@ var (
)
// Admit checks Pods and admits or rejects them. It also resolves the priority of pods based on their PriorityClass.
// Note that pod validation mechanism prevents update of a pod priority.
func (p *PriorityPlugin) Admit(a admission.Attributes) error {
operation := a.GetOperation()
// Ignore all calls to subresources
@@ -114,7 +115,7 @@ func (p *PriorityPlugin) Admit(a admission.Attributes) error {
switch a.GetResource().GroupResource() {
case podResource:
if operation == admission.Create || operation == admission.Update {
if operation == admission.Create {
return p.admitPod(a)
}
return nil
@@ -149,7 +150,6 @@ func (p *PriorityPlugin) Validate(a admission.Attributes) error {
}
// admitPod makes sure a new pod does not set spec.Priority field. It also makes sure that the PriorityClassName exists if it is provided and resolves the pod priority from the PriorityClassName.
// Note that pod validation mechanism prevents update of a pod priority.
func (p *PriorityPlugin) admitPod(a admission.Attributes) error {
operation := a.GetOperation()
pod, ok := a.GetObject().(*api.Pod)