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Add support for k8s v1.23 CRI Pod Sandbox and Container Stats #6112

@bobbypage

Description

@bobbypage

What is the problem you're trying to solve

K8s 1.23 added new CRI RPCs for pod sandbox and more detailed container stats. See kubernetes/enhancements#2371 for the k8s upstream issue.

kubernetes/kubernetes#102789 added the CRI fields namely PodSandboxStats, ListPodSandboxStats and some new fields for CPU and memory container stats.

Describe the solution you'd like

Containerd CRI should implement support for these new RPC endpoint and stats.

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