CI migration Plan for containerd v2.0

[pacoxu]

#33761
@dims switched some of the CI jobs to v2.0.

Are we losing coverage for these jobs by promoting to 2.0? ie we lose 1.7 tests and gain the 2.0?

#33761 (comment) as @kannon92 pointed out, we also may need to keep some tests on containerd v1.7.

I open this issue on the CI migration plan. Will we migrate in this release cycle(v1.33) or later?

• there are some containerd v2 support WIP PRs in other subprojects like kubespray [containerd] Support containerd v2.0.x kubernetes-sigs/kubespray#11845.

https://github.com/containerd/containerd/blob/main/RELEASES.md#kubernetes-support

Kubernetes Version	containerd Version	CRI Version
1.29	1.7.11+, 1.6.27+	v1
1.30	2.0.0+, 1.7.13+, 1.6.28+	v1
1.31	2.0.0+, 1.7.20+, 1.6.34+	v1

For COS, https://cloud.google.com/container-optimized-os/docs/release-notes

• Milestone 117 is still using containerd 1.7.
• Dev upgraded containerd to v2.0.0.

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