Container Stop Signals

[sreeram-venkitesh]

Enhancement Description

• One-line enhancement description (can be used as a release note): Add support to configure custom stop signals for containers
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/4960-container-stop-signals/README.md
• Discussion Link: Add support for custom stop signal to send to containers kubernetes#30051
• Primary contact (assignee): @sreeram-venkitesh
• Responsible SIGs: sig-node
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y): v1.33
  • Beta release target (x.y):
  • Stable release target (x.y):
• Alpha
  • KEP (k/enhancements) update PR(s): KEP 4960: Container Stop Signals #5122
  • Code (k/k) update PR(s):
  • Kubernetes
    • KEP 4960: Container Stop Signals kubernetes#130556
  • Container Runtimes
    • CRI-O
      • OCPNODE-3062: Add container stop signal feature (KEP-4960) cri-o/cri-o#9086
    • Containerd
      • Added stop signal to container termination logic and container status containerd/containerd#11774
  • Docs (k/website) update PR(s):
    • Documentation updates:
      • KEP 4960: Container Stop Signals website#49857
    • Release blog:
      • v1.33 release blog post for KEP 4960 (Container Stop Signals) and KEP 4818 (Allow zero for pod lifecycle sleep action) website#49967
• Alpha2 - v1.36 (mostly tests, metrics, merging containerd implementation)
  • KEP (k/enhancements) update PR(s):
    • KEP 4960: Container Stop Signals - Update for v1.34 #5400 (KEP update PR for 1.34, didn't merge any code in 1.34)
    • KEP 4960: Update for 1.36 #5864 (KEP update PR for 1.36)
  • Code (k/k) update PR(s):
  • Container Runtimes
    • Containerd
      • Added stop signal to container termination logic and container status containerd/containerd#11774
  • Docs (k/website) update PR(s):

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

[sreeram-venkitesh]

/sig node

[sreeram-venkitesh]

Related: kubernetes/kubernetes#128030. Will work on the KEP before v1.33.

[haircommander]

/label lead-opted-in
/milestone v1.33