媒介:
备份告急数据,简化重复操纵,让一指禅、点点点也能完成运维使命。
脚本呈现界面如下:
1、检察Etcd版本
- root@master:~# cat /etc/kubernetes/manifests/etcd.yaml | grep image: | awk '{print $2}'
- registry.aliyuncs.com/google_containers/etcd:3.5.10-0
复制代码 2、下载安装Etcd操纵命令etcdctl
- #下载etcdctl
- root@master:~# wget https://github.com/etcd-io/etcd/releases/download/v3.5.10/etcd-v3.5.10-linux-amd64.tar.gz
- root@master:~#
- #解压缩
- root@master:~# tar -zxvf etcd-v3.5.10-linux-amd64.tar.gz
- root@master:~#
- #移进可执行程序目录
- root@master:~# sudo mv etcd-v3.5.10-linux-amd64/etcdctl /usr/bin/
- root@master:~# sudo mv etcd-v3.5.10-linux-amd64/etcdutl /usr/bin/
- root@master:~#
- #查看一下etcdctl版本
- root@master:~# etcdctl
- NAME:
- etcdctl - A simple command line client for etcd3.
- USAGE:
- etcdctl [flags]
- VERSION:
- 3.5.10
- API VERSION:
- 3.5
- #创建备份目录
- root@master:~# mkdir -p /data/backup/file
复制代码 3、Etcd数据备份/恢复脚本
- #!/bin/bash
- #AUTHOR : Created by YaoButing
- #PLATFORM : Ubuntu 20.04.6 LTS (Focal Fossa)
- #VERSION : 1.0
- #DATE : 2024-05-06
- #DESCRIPTION : This script is used to muanual backup/restore etcd data.
- ###############################################################################
- NUMBER=100
- while (($NUMBER>0))
- do
- echo " "
- echo " 请选择需要执行的操作 "
- echo "********************************************************************"
- echo "* *"
- echo "* [ 1 ]. Etcd数据备份 [ 2 ]. Etcd数据恢复 *"
- echo "* *"
- echo "********************************************************************"
- echo "* 按 0 推出脚本 *"
- read -p "请输入将要执行的动作序号:" NUMBER
- echo " "
- echo " "
- if (($NUMBER==1))
- then
- echo "###########-- 1 --########### 开始备份Etcd数据 ###############"
- echo " "
- ETCDCTL_API=3 etcdctl --endpoints=https://127.0.0.1:2379 \
- --cacert=/etc/kubernetes/pki/etcd/ca.crt \
- --cert=/etc/kubernetes/pki/etcd/server.crt \
- --key=/etc/kubernetes/pki/etcd/server.key \
- snapshot save /data/backup/etcd-snapshot-`date "+%Y-%m-%d"`.db
- echo ""
- echo "###########-- 1 --############ Etcd数据备份完毕 ##############"
- echo " "
- echo "###########-- 1 --############ 验证Etcd快照 ##################"
- echo " "
- ETCDCTL_API=3 etcdctl --write-out=table snapshot status /data/backup/etcd-snapshot-`date "+%Y-%m-%d"`.db
- echo " "
- elif (($NUMBER==2))
- then
- echo "###########-- 2 --########### 下面是现有的Etcd备份文件 ########"
- ls /data/backup/ | sort -k 2 | nl
- ls /data/backup/ | sort -k 2 > /data/backup/file/file.txt
- read -p "#####-----------请输入要恢复的Etcd备份文件行号:" DB
- etcdfile=$(sed -n "${DB}p" /data/backup/file/file.txt)
- echo ""
- echo "创建恢复目录'/var/lib/etcd-restore'"
- mkdir /opt/backup
- mkdir /var/lib/etcd-restore
- mv /etc/kubernetes/manifests/kube* /opt/backup/
- ETCDCTL_API=3 etcdctl --endpoints=https://127.0.0.1:2379 \
- --cacert=/etc/kubernetes/pki/etcd/ca.crt \
- --cert=/etc/kubernetes/pki/etcd/server.crt \
- --key=/etc/kubernetes/pki/etcd/server.key \
- --data-dir=/var/lib/etcd-restore \
- snapshot restore /data/backup/$etcdfile
- cp /opt/backup/* /etc/kubernetes/manifests/
- mv /etc/kubernetes/manifests/etcd.yaml /etc/kubernetes/manifests/bak.etcd.yaml
- sed 's!/var/lib/etcd!/var/lib/etcd-restore!' /etc/kubernetes/manifests/bak.etcd.yaml > /etc/kubernetes/manifests/etcd.yaml
- cat /etc/kubernetes/manifests/etcd.yaml | grep '/var/lib/etcd-restore'
-
- systemctl daemon-reload
- systemctl restart kubelet
- echo ""
- echo "###########-- 2 --########### Etcd数据恢复结束 ################"
- echo ""
- echo "数据恢复已结束,但仍需等待几分钟再进行查看验证..."
- elif (($NUMBER==0))
- then
- echo "###########--- 程序即将退出 ---######################"
- else
- echo "########--- 输入错误,请按照指定序号输入 --------############"
- fi
- done
复制代码
免责声明:如果侵犯了您的权益,请联系站长,我们会及时删除侵权内容,谢谢合作!更多信息从访问主页:qidao123.com:ToB企服之家,中国第一个企服评测及商务社交产业平台。 |