etcd数据库备份与还原

# 备份etcd数据

etcdctl backup --data-dir /var/lib/etcd/default.etcd --backup-dir /root/etcd71

 

etcd备份

使用etcd自带命令etcdctl进行etc备份，脚本如下：

#!/bin/bash

date_time=`date +%Y%m%d`

etcdctl backup --data-dir /var/lib/etcd/default.etcd --backup-dir /root/etcd71-${date_time}.etcd

tar cvzf etcd71-${date_time}.tar.gz etcd71-${date_time}.etcd

 

find /root/*.etcd -ctime +7 -exec rm -r {} \;

find /root/*.gz -ctime +7 -exec rm -r {} \;

 

# 打包备份数据

tar cvzf etcdback-

 

恢复etcd数据

 

# 单机运行

etcd --data-dir=/var/lib/etcd/default.etcd --force-new-cluster &

 

# 查看id

etcdctl member list

1c4358be138c6d94: name=default peerURLs=https://192.168.61.71:2380 clientURLs=http://localhost:2379 isLeader=true

 

# 数据同步

curl http://127.0.0.1:2379/v2/members/1c4358be138c6d94 -XPUT \

-H "Content-Type:application/json" -d '{"peerURLs":["http://127.0.0.1:2379"]}'

 

# 结束单机运行

pkill -9 etcd

 

# 重新启动服务

systemctl restart etcd

systemctl status etcd