e87d5aabc3
* Change the workers managed instance group to health check nodes via HTTP probe of the kube-proxy port 10256 /healthz endpoints * Advantages: kube-proxy is a lower value target (in case there were bugs in firewalls) that Kubelet, its more representative than health checking Kubelet (Kubelet must run AND kube-proxy Daemonset must be healthy), and its already used by kube-proxy liveness probes (better discoverability via kubectl or alerts on pods crashlooping) * Another motivator is that GKE clusters also use kube-proxy port 10256 checks to assess node health |
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