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Merge pull request #60396 from zouyee/ss-1

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Automatic merge from submit-queue (batch tested with PRs 60396, 60384, 60395, 60387, 60260). 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>.

statefulset validate collisionCount

**What this PR does / why we need it**:
 validate statefulset collisionCount

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:


**Special notes for your reviewer**:

**Release note**:

```NONE

```
This commit is contained in:
Kubernetes Submit Queue 2018-02-26 00:01:32 -08:00 committed by GitHub
commit d0e36e0770
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7
pkg/apis/apps/validation/validation.go
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@ -195,6 +195,13 @@ func ValidateStatefulSetStatusUpdate(statefulSet, oldStatefulSet *apps.StatefulS
allErrs = append(allErrs, ValidateStatefulSetStatus(&statefulSet.Status, field.NewPath("status"))...)
allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))...)
// TODO: Validate status.
if apivalidation.IsDecremented(statefulSet.Status.CollisionCount, oldStatefulSet.Status.CollisionCount) {
value := int32(0)
if statefulSet.Status.CollisionCount != nil {
value = *statefulSet.Status.CollisionCount
}
allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
}
return allErrs
}