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# 停止服务
- systemctl disable kubelet.service
- systemctl disable kube-scheduler.service
- systemctl disable kube-proxy.service
- systemctl disable kube-controller-manager.service
- systemctl disable kube-apiserver.service
-
- systemctl stop kubelet.service
- systemctl stop kube-scheduler.service
- systemctl stop kube-proxy.service
- systemctl stop kube-controller-manager.service
- systemctl stop kube-apiserver.service
# 删除所有容器
docker rm -f $(docker ps -qa)
# 删除所有容器卷
docker volume rm $(docker volume ls -q)
# 卸载mount目录
for mount in $(mount | grep tmpfs | grep '/var/lib/kubelet' | awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher; do umount $mount; done
删除
rm -rf /etc/kubernetes
rm -rf /var/lib/etcd
rm -rf /var/lib/rancher
rm -rf /opt/rke
或者备份
- # 备份目录
- mv /etc/kubernetes /etc/kubernetes-bak-$(date +"%Y%m%d%H%M")
- mv /var/lib/etcd /var/lib/etcd-bak-$(date +"%Y%m%d%H%M")
- mv /var/lib/rancher /var/lib/rancher-bak-$(date +"%Y%m%d%H%M")
- mv /opt/rke /opt/rke-bak-$(date +"%Y%m%d%H%M")
- rm -rf /etc/ceph \
- /etc/cni \
- /opt/cni \
- /run/secrets/kubernetes.io \
- /run/calico \
- /run/flannel \
- /var/lib/calico \
- /var/lib/cni \
- /var/lib/kubelet \
- /var/log/containers \
- /var/log/pods \
- /var/run/calico
- # 清理网络接口
- network_interface=`ls /sys/class/net`
- for net_inter in $network_interface;
- do
- if ! echo $net_inter | grep -qiE 'lo|docker0|eth*|ens*';then
- ip link delete $net_inter
- fi
- done
-
- # 清理残留进程
- port_list='80 443 6443 2376 2379 2380 8472 9099 10250 10254'
-
- for port in $port_list
- do
- pid=`netstat -atlnup|grep $port |awk '{print $7}'|awk -F '/' '{print $1}'|grep -v -|sort -rnk2|uniq`
- if [[ -n $pid ]];then
- kill -9 $pid
- fi
- done
-
- pro_pid=`ps -ef |grep -v grep |grep kube|awk '{print $2}'`
-
- if [[ -n $pro_pid ]];then
- kill -9 $pro_pid
- fi
-
- # 清理Iptables表
- ## 注意:如果节点Iptables有特殊配置,以下命令请谨慎操作
- sudo iptables --flush
- sudo iptables --flush --table nat
- sudo iptables --flush --table filter
- sudo iptables --table nat --delete-chain
- sudo iptables --table filter --delete-chain
-
- systemctl restart docker
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