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Short circuit volume checker if the pod is not requesting any volumes

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This commit is contained in:
Bobby (Babak) Salamat 2019-02-01 17:32:27 -08:00
parent 30566b990a
commit eb59bc605c
1 changed files with 14 additions and 0 deletions
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14
pkg/scheduler/algorithm/predicates/predicates.go
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@ -1642,7 +1642,21 @@ func NewVolumeBindingPredicate(binder *volumebinder.VolumeBinder) FitPredicate {
return c.predicate return c.predicate
} }
func podHasPVCs(pod *v1.Pod) bool {
for _, vol := range pod.Spec.Volumes {
if vol.PersistentVolumeClaim != nil {
return true
}
}
return false
}
func (c *VolumeBindingChecker) predicate(pod *v1.Pod, meta PredicateMetadata, nodeInfo *schedulernodeinfo.NodeInfo) (bool, []PredicateFailureReason, error) { func (c *VolumeBindingChecker) predicate(pod *v1.Pod, meta PredicateMetadata, nodeInfo *schedulernodeinfo.NodeInfo) (bool, []PredicateFailureReason, error) {
// If pod does not request any PVC, we don't need to do anything.
if !podHasPVCs(pod) {
return true, nil, nil
}
node := nodeInfo.Node() node := nodeInfo.Node()
if node == nil { if node == nil {
return false, nil, fmt.Errorf("node not found") return false, nil, fmt.Errorf("node not found")