kubelet does not honor shortened grace period on already-deleting pod #83916
Description
What happened:
Delete a pod with a grace period of 120 seconds, then again with 60 seconds. It will still wait until the first 120 time elapses to delete the pod.
What you expected to happen:
For it to use the new grace period of 60 seconds
How to reproduce it (as minimally and precisely as possible):
ben@shadowfax:~$ kubectl get pod -o yaml | egrep -i 'term|del'
blockOwnerDeletion: true
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
terminationGracePeriodSeconds: 900
ben@shadowfax:~$ kubectl delete pod $(kubectl get pods | grep python | grep Running | cut -f1 -d' ') --grace-period=60
pod "python-645896764c-f5p9k" deleted
ben@shadowfax:~$ kubectl get pod -o yaml | egrep -i 'term|del'
blockOwnerDeletion: true
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
terminationGracePeriodSeconds: 900
deletionGracePeriodSeconds: 60
deletionTimestamp: "2019-10-02T16:27:50Z"
blockOwnerDeletion: true
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
terminationGracePeriodSeconds: 900
ben@shadowfax:~$ kubectl delete pod $(kubectl get pods | grep python | grep Running | cut -f1 -d' ') --grace-period=10
pod "python-645896764c-cfsjz" deleted
ben@shadowfax:~$ kubectl get pod -o yaml | egrep -i 'term|del'
blockOwnerDeletion: true
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
terminationGracePeriodSeconds: 900
deletionGracePeriodSeconds: 10
deletionTimestamp: "2019-10-02T16:27:15Z"
blockOwnerDeletion: true
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
terminationGracePeriodSeconds: 900
deletionGracePeriodSeconds: 60
deletionTimestamp: "2019-10-02T16:27:50Z"
blockOwnerDeletion: true
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
terminationGracePeriodSeconds: 900
Environment:
- Kubernetes version (use
kubectl version): 1.14 - Cloud provider or hardware configuration: Rancher/RKE/Hyperkube
- OS (e.g:
cat /etc/os-release): Ubuntu 18.04 - Install tools: RKE/Rancher
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