[KEP-3085] Add condition for sandbox creation (xposted from original issue)

[kannon92]

This is a repost of #3085 as we want to keep this up to date.

Enhancement Description

• One-line enhancement description (can be used as a release note): Surface pod conditions around completion of pod sandbox creation marked by successful network configuration for the pod.
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/3085-pod-conditions-for-starting-completition-of-sandbox-creation
• Discussion Link: SIG Node Agenda
• Primary contact (assignee): @kannon92 (@ddebroy is original author)
• Responsible SIGs: sig-node
• Enhancement target (which target equals to which milestone):
  • Alpha1 release target (x.y): 1.25
  • Alpha2 release target (x.y): 1.28
  • Beta release target (x.y): 1.29-1.30
  • Stable release target (x.y): 1.35
• Alpha1 (1.25)
  • KEP (k/enhancements) update PR(s):
    • KEP-3085: Add KEP for Pod network ready condition #3087
    • KEP-3085: update kep with implementation details for alpha #4077
  • Code (k/k) update PR(s):
    • Introduce PodHasNetwork condition for pods kubernetes#111358
    • feat: rename PodHasNetwork to PodReadyToStartContainers kubernetes#117702
  • Docs (k/website) update PR(s): PodHasNetwork condition docs website#35704
• Alpha2 (1.28)
  • KEP (k/enhancements) update PR(s):
    • Update KEP with new name: PodReadyToStartContainers condition #3778
  • Code (k/k) update PR(s):
    • feat: rename PodHasNetwork to PodReadyToStartContainers kubernetes#117702
  • Docs (k/website) update PR(s):
    • rename PodHasNetwork to PodReadyToStartContainers as part of rename website#41744
    • rename PodHasNetwork to PodReadyToStartContainers website#40945
• Beta (1.29-1.35)
  • KEP (k/enhancements) update PR(s):
    • KEP-3085: promote to beta in 1.29 #4139
    • [KEP-3085] update kep to say its being worked on in 1.30 #4483
    • KEP-3085: continue beta in 1.35 #5552 (1.35)
  • Code (k/k) update PR(s):
    • [KEP-3085] Promote PodReadyToStartContainers to beta in 1.29 kubernetes#119659
    • [KEP-3085]: check PodReadyToStartContainers condition after gracefulshutdown kubernetes#121044
    • [KEP - 3085] Add e2e test for PodReadyToStartContainerCondition when config map is created kubernetes#121321
    • KEP 3085: PodReadyToStartContainersCondition: add test to verify sandbox condition for missing secret kubernetes#134179 (1.35)
    • [KEP-3085] kubelet - extend RuntimeHelper interface with OnPodSandboxReady to update PodReadyToStartContainers condition correctly kubernetes#134660 (1.35)
  • Docs (k/website) update(s):
    • update docs to promote PodReadyToStartContainersCondition into beta website#43533
    • Add blog post to reflect state of PodReadyToStartContainersCondition website#43932
    • [DRAFT - KEP-3085] update reference to PodReadyToStartContainers condition website#52840 (1.35)

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

[kannon92]

/sig node

[kannon92]

Moved #3085 to this thread so I can keep it up-to-date with latest changes. It was a bit challenging to keep release team up to date so want to be able to update this.

[kannon92]

@Atharva-Shinde can you please add the same labels as the issue in #3085?

[Atharva-Shinde]

/stage alpha
/milestone v1.28

/label lead-opted-in
for v1.28 as per comment

[Atharva-Shinde]

@kannon92 please link the original issue in this issue description :)

[liggitt]

can this be categorized into a stage in the 1.28 project? the repost of the issue meant it was missing some metadata