Job tracking without lingering Pods

[alculquicondor]

Enhancement Description

• One-line enhancement description (can be used as a release note): Job controller keeps track of Pod completions in status without relaying on lingering Pods.

• Kubernetes Enhancement Proposal: https://git.k8s.io/enhancements/keps/sig-apps/2307-job-tracking-without-lingering-pods

• Discussion Link: Job controller should not rely on calculating pod for its status kubernetes#28486

• Primary contact (assignee): alculquicondor

• Responsible SIGs: apps

• Enhancement target (which target equals to which milestone):

  • Alpha release target (x.y): 1.22
  • Beta release target (x.y): 1.23
  • Stable release target (x.y): 1.26

• Alpha

  • KEP (k/enhancements) update PR(s): Add KEP for job tracking in implementable status #2308 Update KEP for Job Tracking #2585
  • Code (k/k) update PR(s): Track Job completion through Pod finalizers and status kubernetes#98238
  • Docs (k/website) update PR(s): Add feature gate JobTrackingWithFinalizers website#28841

• Beta

  • KEP (k/enhancements) update PR(s): Graduate JobTrackingWithFinalizers to beta in 1.23 #2874
  • Code (k/k) update PR(s): Roll-forward: Beta requirements for JobTrackingWithFinalizers  kubernetes#105197 Graduate JobTrackingWithFinalizers to beta kubernetes#105687
  • Docs (k/website) update(s): Graduate JobTrackingWithFinalizers to beta website#30423

• Stable

  • KEP (k/enhancements) update PR(s): KEP-2307: Graduate JobTrackingWithFinalizers to GA #3482
  • Code (k/k) update PR(s):
    • Add metric for terminated pods with tracking finalizer kubernetes#113176
    • Add benchmark for large indexed job kubernetes#113478
    • Graduate JobTrackingWithFinalizers to stable kubernetes#113510
  • Docs (k/website) update(s):
    • Graduate JobTrackingWithFinalizers to stable website#37764
    • Add blog post for job tracking with finalizers GA website#37438

/sig apps

[alculquicondor]

/sig apps

[alculquicondor]

/assign

[alculquicondor]

It looks like #2232 is almost there. Once it merges, we would have very little time to handle conflicts and go through reviews. So we would likely be deferring this enhancement to 1.22.

cc @ahg-g @soltysh

[ahg-g]

/milestone v1.22