DRA: device taints and tolerations

[pohly]

Enhancement Description

• One-line enhancement description (can be used as a release note): Marking devices as tainted can prevent using them for new pods and/or cause pods using them to stop. Users can decide to tolerate taints.
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/tree/master/keps/sig-scheduling/5055-dra-device-taints-and-tolerations
• Discussion Link: KEP-5027 + 5055: DRA: admin-controlled device attributes + taints #5034 (comment)
• Primary contact (assignee): @pohly
• Responsible SIGs: SIG Node, SIG Scheduling
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y): 1.33
  • Beta release target (x.y): 1.36
  • Stable release target (x.y):
• Alpha (v1.33)
  • KEP (k/enhancements) update PR(s):
  • Code (k/k) update PR(s): device taints and tolerations (KEP 5055) kubernetes#130447
  • Docs (k/website) update PR(s): DRA: device taints and tolerations website#49822
  • Known issues where fixes won't be backported:
    • DRA: Device Taints: tolerating NoExecute is broken kubernetes#134434
• Alpha (v1.34)
  • Known issues same as in 1.33
• Alpha (v1.35)
  • KEP (k/enhancements) update PR(s): KEP 5055: DRA Device Taints: update for 1.35 #5512
  • Code (k/k) update PR(s): DRA: device taints: new ResourceSlice API, new features kubernetes#134152
  • Docs (k/website) update PR(s): DRA: device taints 1.35 update website#52858
• Beta (v1.36)
  • KEP (k/enhancements) update PR(s): KEP-5055: DRA device taints: document state in 1.35 and plan beta in 1.36 #5716
  • Code (k/k) update PR(s):
    • automatically increment TimeAdded when changing effect in DeviceTaintRule: DRA device taints: automatically bump TimeAdded when changing effect kubernetes#137167
    • automated upgrade/downgrade testing: DRA: upgrade/downgrade device taints kubernetes#135732
    • beta graduation: DRA device taints: graduate to beta kubernetes#137170
  • Docs (k/website) update(s): DRA Device Taints Beta in 1.36 website#54648

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

[pohly]

/sig node
/sig scheduling
/wg device-management