Enhancement Description

• One-line enhancement description (can be used as a release note): Use NominatedNodeName to express the expected pod placement

• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/5278-nominated-node-name-for-expectation

• Discussion Link: Scheduler pre-binding can cause race conditions with automated empty node removal kubernetes#125491, SIG-Scheduling meeting on May 6th

• Primary contact (assignee): @sanposhiho @wojtek-t

• Responsible SIGs: SIG-Scheduling

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

  • Alpha release target (x.y): v1.34
  • Beta release target (x.y): v1.35
  • Stable release target (x.y):

• Alpha 1.34

  • KEP (k/enhancements) update PR(s):
    • kep-5278: nominated node name for an expected pod placement #5287
    • KEP-5278: Update the KEP to reflect its demotion to alpha #5467
  • Code (k/k) update PR(s): [Umbrella] KEP-5278: Nominated node name for an expected pod placement kubernetes#132381
    • feat: add PreBindPreFlight and implement in in-tree plugins kubernetes#132391
    • feat: trigger PreBindPreFlight in the binding cycle kubernetes#133021
    • KEP-5278 Stop clearing NominatedNodeName in all cases kubernetes#133276
    • Clear pod.Status.NominatedNodeName when pod is bound kubernetes#132443
    • KEP-5278 Bring back clearing NominatedNodeName after scheduling or binding failure kubernetes#135007
    • KEP-5278 Promote NominatedNodeNameForExpectation and ClearingNominatedNodeNameAfterBinding feature gates to beta  kubernetes#135103
    • KEP-5278 Add integration tests for setting and clearing NominatedNodeName kubernetes#135149
  • Docs (k/website) update(s): kep-5278: Use NominatedNodeName to express the expected pod placement website#51523

• Beta 1.35

  • KEP (k/enhancements) update PR(s):
    • KEP-5278: update KEP for NominatedNodeName, narrowing down the scope of the feature and moving it to beta #5618
  • Code (k/k) update PR(s):
    • KEP-5278 Bring back clearing NominatedNodeName after scheduling or binding failure kubernetes#135007
    • KEP-5278 Promote NominatedNodeNameForExpectation and ClearingNominatedNodeNameAfterBinding feature gates to beta  kubernetes#135103
    • KEP-5278 Add integration tests for setting and clearing NominatedNodeName kubernetes#135149
  • Docs (k/website) update(s):
    • Update description of feature gates for KEP-5278 moving to Beta website#52838

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.