彻底卸载k8s(重置k8s)

注意：master和slave节点都需要执行相同操作。

1、停止相关服务

systemctl stop kubelet 
systemctl stop etcd 
systemctl stop docker

2、卸载k8s

kubeadm reset -f

3、删除k8s相关目录

modprobe -r ipip
lsmod
rm -rf ~/.kube/
rm -rf /etc/kubernetes/
rm -rf /etc/systemd/system/kubelet.service.d
rm -rf /etc/systemd/system/kubelet.service
rm -rf /usr/bin/kube*
rm -rf /etc/cni
rm -rf /opt/cni
rm -rf /var/lib/etcd
rm -rf /var/etcd

4、卸载k8s相关程序

yum -y remove kube*

5、更新镜像

yum clean all
yum -y update

yum makecache