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  • rancher清理主机脚本

    #!/bin/bash
    #From:rancher
    #date:2019-10-18
    #admin:jarno
    
    # 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
      
    # 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")
    
    # 删除残留路径
      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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  • 原文地址:https://www.cnblogs.com/jarno/p/11770497.html
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