https://www.digitalocean.com/docs/kubernetes/how-to/monitor-advanced/
The digital ocean agents are failing to connect to kube-state-metrics; I think kube-rbac-proxy is the gatekeeper.
I've been playing with the kube-system daemonset.apps/do-node-agent argument --k8s-metrics-path=https://kube-state-metrics.monitoring.svc.cluster.local:8443/metrics to try and fix it.