define scenarious related to k8s training
bootstrap node with kubeadm
https://kubernetes.io/docs/concepts/cluster-administration/cluster-administration-overview/ https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-join/
https://gist.github.com/herpiko/9d3b984e4f7a465b3562c36e8879af55