100 lines
2.2 KiB
Bash
100 lines
2.2 KiB
Bash
#!/bin/bash
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echo "=============="
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echo "rancher清理脚本"
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echo "=============="
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KUBE_SVC='
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kubelet
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kube-scheduler
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kube-proxy
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kube-controller-manager
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kube-apiserver
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'
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for kube_svc in ${KUBE_SVC};
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do
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# 停止服务
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if [[ `systemctl is-active ${kube_svc}` == 'active' ]]; then
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systemctl stop ${kube_svc}
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fi
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# 禁止服务开机启动
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if [[ `systemctl is-enabled ${kube_svc}` == 'enabled' ]]; then
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systemctl disable ${kube_svc}
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fi
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done
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# 停止所有容器
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docker stop $(docker ps -aq)
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# 删除所有容器
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docker rm -f $(docker ps -qa)
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# 删除所有容器卷
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docker volume rm $(docker volume ls -q)
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# 卸载mount目录
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for mount in $(mount | grep tmpfs | grep '/var/lib/kubelet' | awk '{ print $3 }') /var/lib/kubelet /var/lib/rancher;
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do
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umount $mount;
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done
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# 备份目录
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mv /etc/kubernetes /etc/kubernetes-bak-$(date +"%Y%m%d%H%M")
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mv /var/lib/etcd /var/lib/etcd-bak-$(date +"%Y%m%d%H%M")
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mv /var/lib/rancher /var/lib/rancher-bak-$(date +"%Y%m%d%H%M")
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mv /opt/rke /opt/rke-bak-$(date +"%Y%m%d%H%M")
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# 删除残留路径
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rm -rf /etc/ceph \
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/etc/cni \
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/opt/cni \
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/run/secrets/kubernetes.io \
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/run/calico \
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/run/flannel \
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/var/lib/calico \
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/var/lib/cni \
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/var/lib/kubelet \
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/var/log/containers \
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/var/log/kube-audit \
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/var/log/pods \
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/var/run/calico \
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/usr/libexec/kubernetes
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# 清理网络接口
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no_del_net_inter='
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lo
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docker0
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eth
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ens
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bond
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'
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network_interface=`ls /sys/class/net`
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for net_inter in $network_interface;
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do
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if ! echo "${no_del_net_inter}" | grep -qE ${net_inter:0:3}; then
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ip link delete $net_inter
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fi
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done
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# 清理残留进程
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port_list='
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80
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443
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6443
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2376
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2379
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2380
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8472
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9099
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10250
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10254
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'
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for port in $port_list;
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do
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pid=`netstat -atlnup | grep $port | awk '{print $7}' | awk -F '/' '{print $1}' | grep -v - | sort -rnk2 | uniq`
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if [[ -n $pid ]]; then
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kill -9 $pid
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fi
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done
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kube_pid=`ps -ef | grep -v grep | grep kube | awk '{print $2}'`
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if [[ -n $kube_pid ]]; then
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kill -9 $kube_pid
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fi
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# 清理Iptables表
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## 注意：如果节点Iptables有特殊配置，以下命令请谨慎操作
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sudo iptables --flush
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sudo iptables --flush --table nat
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sudo iptables --flush --table filter
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sudo iptables --table nat --delete-chain
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sudo iptables --table filter --delete-chain
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systemctl restart docker |