etcd: Downgrade support

[serathius]

Enhancement Description

• One-line enhancement description (can be used as a release note): Implement downgrade support in etcd
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/blob/master/keps/sig-etcd/4326-downgrade/README.md
• Primary contact (assignee): @serathius
• Responsible SIGs: sig-etcd

[serathius]

/sig etcd

[sftim]

/retitle etcd: Downgrade support

Although I recommend “Support etcd downgrades” to avoid it sounding like we plan to reduce the amount of support available.

[kikisdeliveryservice]

+1 on @sftim 's comment above since that was how I read it at first 😆

[kikisdeliveryservice]

Also please add a discussion link which is in the issue template.

[pacoxu]

Link the PR: #4327.

[k8s-triage-robot]

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/lifecycle stale

[k8s-triage-robot]

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues.

This bot triages un-triaged issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

You can:

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• Offer to help out with Issue Triage

Please send feedback to sig-contributor-experience at kubernetes/community.

/lifecycle rotten

[k8s-triage-robot]

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues and PRs.

This bot triages issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

You can:

• Reopen this issue with /reopen
• Mark this issue as fresh with /remove-lifecycle rotten
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Please send feedback to sig-contributor-experience at kubernetes/community.

/close not-planned