卸载k8s

清理所有pods
kubectl delete node --all

重置k8s
kubeadm reset -f
modprobe -r ipip

清理持久化
docker volume rm etcd
rm -r /var/etcd/backups/*

卸载k8s
yum remove -y kubelet kubeadm kubectl

然后看看docker ps -a还有没有容器，有就删除
看看docker volume ls有木有数据卷，有就删除
再到docker images把镜像都删除
rm -rf /var/etcd
rm -rf /var/lib/kubelet/
rm -rf /var/lib/rancher/
rm -rf /run/kubernetes/
rm /var/lib/kubelet/* -rf
rm /etc/kubernetes/* -rf
rm /var/lib/rancher/* -rf
rm /var/lib/etcd/* -rf
rm /var/lib/cni/* -rf