Merge pull request #67471 from yue9944882/bugfix/fix-pv-type-assertion

Automatic merge from submit-queue (batch tested with PRs 67399, 67471, 66815, 67301, 55840). 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>.

Bugfix pv util type assertion mismatch

**Release note**:
```release-note
NONE
```

/kind bug
/sig api-machinery
/priority important-soon
/assign liggitt 

fundamental fixer
blocker of #67194
This commit is contained in:
Kubernetes Submit Queue 2018-08-16 09:03:09 -07:00 committed by GitHub
commit a4a9415374
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@ -212,7 +212,7 @@ func (g *graphPopulator) deleteVolumeAttachment(obj interface{}) {
if tombstone, ok := obj.(cache.DeletedFinalStateUnknown); ok {
obj = tombstone.Obj
}
attachment, ok := obj.(*api.PersistentVolume)
attachment, ok := obj.(*storagev1beta1.VolumeAttachment)
if !ok {
glog.Infof("unexpected type %T", obj)
return