#!/bin/bash
# curl https://gist.github.com/jeremyje/14e26148909734ebe1d6395cc8b0e156/raw/uninstall.sh | bash

# https://medium.com/@meysam1369/kubernetes-completely-uninstall-3f2a83dd985d

function UnregisterNodes {
for NODE_NAME in $(kubectl get nodes -o jsonpath="{.items[*].metadata.name}")
do
  kubectl drain ${NODE_NAME} --delete-local-data --force --ignore-daemonsets
  kubectl delete node ${NODE_NAME}
done
}

function UninstallKubernetes {
  kubeadm reset
  sudo apt-get -y -qq --allow-change-held-packages purge kubeadm kubectl kubelet kubernetes-cni kube*
  sudo apt-get autoremove
  sudo rm -rf ~/.kube
}

UnregisterNodes
UninstallKubernetes