Re: [k8s API machinery] Exception Request for KEP-4355

[Joe Betz]

I support this as a SIG API Machinery TL.  The risk is low due to this being a well isolated off-by-default alpha feature.  This one only missed the deadline by ~hrs due to some test failure that needed to be addressed.

On Wed, Jul 24, 2024 at 11:18 AM 'Jeffrey Ying' via K8s API Machinery SIG <kubernetes-sig...@googlegroups.com> wrote:

Hi everyone!

I'd like to request an exception for a KEP for 1.31.

• Enhancement name: Coordinated Leader Election
• Enhancement status (alpha/beta/stable): alpha
• SIG: api-machinery
• k/enhancements repo issue #: 4355 (https://github.com/kubernetes/enhancements/issues/4355)
• PR #’s: https://github.com/kubernetes/kubernetes/pull/124012
• Additional time needed (in days): 2 day
• Reason this enhancement is critical for this milestone: 

Feature improves upgrade reliability by providing deterministic leader selection during mixed version states. This is an anticipated feature addressing a version skew issue during upgrades.

• Risks from adding code late: (to k8s stability, testing, etc.)

Low risk as feature is gated going into alpha with gate turned off and new types disabled by default.

• Risks from cutting enhancement: (partial implementation, critical customer usecase, etc.)

Coordinated Leader Election provides deterministic leader election during upgrades to satisfy Kubernetes version skew. Delaying will push back the timeline to reach customers. See more details in the KEP.

Code is in a ready to merge state at the moment. Requesting for 2 days because I am OOO today if there are any issues with merging.

Thanks,

Jeffrey

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[Jeffrey Ying]

[Angelos Kolaitis]

Hi all,

The release team is APPROVING this exception request (Slack thread). Your updated deadline to merge all PRs for your KEP is 19:00 PDT Friday, 26th July 2024.

If you need any clarification, please reach out to us in the #sig-release Slack channel.

Thanks,
Angelos Kolaitis
1.31 Release Team Lead