kube-reset-centos.sh

#!/bin/bash

kubeadm reset -f

yum remove -y kube* containerd* docker* nginx cri*

rm -rf /etc/containerd /etc/cni/net.d /home/docker /var/log/nginx /home/cert-deploy /home/containerd /etc/ansible-iptables

iptables-save | awk '/^[*]/ { print $1 } 
                     /^:[A-Z]+ [^-]/ { print $1 " ACCEPT" ; }
                     /COMMIT/ { print $0; }' | iptables-restore

iptables-save > /etc/sysconfig/iptables