Missing runtime metrics from cAdvisor

[stevehipwell]

What happened:
The kubelet cAdvisor metrics are missing the runtime values meaning we can't see the node usage.

What you expected to happen:
I'd expect to see the runtime values as part of the kubelet metrics.

How to reproduce it (as minimally and precisely as possible):
Run kubectl get --raw "/api/v1/nodes/${NODE_NAME}/proxy/stats/summary" | jq -r '.node.systemContainers[] | .name' and you'll see the following response.

kubelet
pods

Anything else we need to know?:
This appears to be broken because the --runtime-cgroups=/runtime.slice/containerd.service kubelet argument hasn't been set. I can confirm that if this argument has been set the outcome of the command above is a as follows.

kubelet
runtime
pods

Environment:

• AWS Region: n/a
• Instance Type(s): n/a
• EKS Platform version: n/a
• Kubernetes version: n/a
• AMI Version: v20240209
• Kernel: n/a
• Release information: n/a

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[stevehipwell]

CC @cartermckinnon