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Delete evicted pet

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If pet was evicted by kubelet - it will stuck in this state forever.
By analogy to regular pod we need to re-create pet so that it will
be re-scheduled to another node, so in order to re-create pet
and preserve consitent naming we will delete it in petset controller
and create after that.

Change-Id: Ib98bf7f34b3f2ab1582b9de34b5f4c5f84cd5215
This commit is contained in:
Dmitry Shulyak 2016-08-31 14:41:10 +03:00
parent ebe733e469
commit 200f8c5c39
1 changed files with 11 additions and 1 deletions
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12
pkg/controller/petset/pet.go
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@ -96,7 +96,13 @@ func (p *petSyncer) Sync(pet *pcb) error {
if err := p.SyncPVCs(pet); err != nil {
return err
}
if exists {
// if pet was evicted - we need to remove old one because of consistent naming
if exists && isEvicted(realPet.pod) {
glog.V(4).Infof("Delete evicted pod %v", realPet.pod.Name)
if err := p.petClient.Delete(realPet); err != nil {
return err
}
} else if exists {
if !p.isHealthy(realPet.pod) {
glog.Infof("PetSet %v waiting on unhealthy pet %v", pet.parent.Name, realPet.pod.Name)
}
@ -311,3 +317,7 @@ func (d *defaultPetHealthChecker) isHealthy(pod *api.Pod) bool {
func (d *defaultPetHealthChecker) isDying(pod *api.Pod) bool {
return pod != nil && pod.DeletionTimestamp != nil
}
func isEvicted(pod *api.Pod) bool {
return pod != nil && pod.Status.Phase == api.PodFailed && pod.Status.Reason == "Evicted"
}