Take taints/tolerations into consideration when calculating PodTopologySpread skew

[kerthcet]

Enhancement Description

• One-line enhancement description (can be used as a release note): Take taints/tolerations into consideration when calculating PodTopologySpread skew
• Kubernetes Enhancement Proposal: KEP-3094: take toleration/taints into considering when computing skew #3105
• Discussion Link: Take taints/tolerations into consideration when calculating PodTopologySpread skew kubernetes#106127
• Primary contact (assignee): @kerthcet
• Responsible SIGs: sig-scheduling
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y): 1.25
  • Beta release target (x.y): 1.26
  • Stable release target (x.y): TBD
• Alpha
  • KEP (k/enhancements) update PR(s): KEP-3094: take toleration/taints into considering when computing skew #3105
  • Code (k/k) update PR(s): Add NodeInclusionPolicy to TopologySpreadConstraint in PodSpec kubernetes#108492 feat: implement node inclusion policy in scheduler kubernetes#108884
  • Docs (k/website) update PR(s): Document the new NodeInclusionPolicyInPodTopologySpread feature gate website#35044
• Beta
  • KEP (k/enhancements) update PR(s): KEP-3094: Graduate NodeInclusionPolicy to Beta in v1.26 #3539
  • Code (k/k) update PR(s):
    • Graduate kube-scheduler NodeInclusionPolicy to beta kubernetes#113500
    • Add nodeInclusionPolicy benchmark tests to scheduler_perf kubernetes#113615
  • Docs (k/website) update(s): Graduate scheduler nodeInclusionPolicy to beta website#37688
• Stable
  • KEP (k/enhancements) update PR(s): KEP-3094: Graduate NodeInclusionPolicyInPodTopologySpread to GA #4912
  • Code (k/k) update PR(s): KEP-3094: Promote NodeInclusionPolicyInPodTopologySpread to Stable kubernetes#130920
  • Docs (k/website) update(s): [Scheduler] Graduate NodeInclusionPolicy to GA website#49927

[kerthcet]

/sig scheduling
/cc @Huang-Wei @alculquicondor @ahg-g

The milestone should still be discussed about.

[kerthcet]

/assign

[ahg-g]

/milestone v1.24

[kerthcet]

Tip: When we time to graduate this to Beta, don't forget this advices. @kerthcet #3105 (comment)

[Priyankasaggu11929]

Hello @kerthcet 👋, 1.24 Enhancements team here.

Just checking in as we approach enhancements freeze on 18:00pm PT on Thursday Feb 3rd, 2022.

For note, This enhancement is targeting for stage alpha for 1.24 (correct me, if otherwise)

Here’s where this enhancement currently stands:

• Updated KEP file using the latest template has been merged into the k/enhancements repo.
• KEP status is marked as implementable for this release
• KEP has a test plan section filled out.
• KEP has up to date graduation criteria.
• KEP has a production readiness review that has been completed and merged into k/enhancements.

With all the KEP requirements in place & merged into k/enhancements, this enhancement is all good for the upcoming enhancements freeze. 🚀

For note, the status of this enhancement is marked as tracked. Please keep the issue description up-to-date with appropriate stages as well. Thank you!

[alculquicondor]

Hi, is there any progress on the implementation PR?

[kerthcet]

Hi, is there any progress on the implementation PR?

Yes, but I'm waiting for this kubernetes/kubernetes#107421 merged first for some potential conflicts.