k8s-02-etcd备份恢复

## master安装etcd

cd /usr/local/share
rz

tar -zvxf etcd-v3.4.13-linux-amd64.tar.gz
rm -f etcd-v3.4.13-linux-amd64.tar.gz
vi /etc/profile
export ETCD_HOME=/usr/local/share/etcd-v3.4.13-linux-amd64
export PATH=$ETCD_HOME:$PATH

source /etc/profile

etcd -v

## 编写脚本(脚本内容见最底部)

mkdir -p /var/etcd-sh
cd /var/etcd-sh
rz
# etcd-backup.sh
# etcd-restore.sh

chmod u+x /var/etcd-sh/*.sh
/var/etcd-sh/etcd-backup.sh

## 配置定时任务

crontab -e
*/60 * * * * /var/etcd-sh/etcd-backup.sh

# 验证恢复
## 停止etcd、apiserver服务

mv /etc/kubernetes/manifests/etcd.yaml /tmp/
mv /etc/kubernetes/manifests/kube-apiserver.yaml /tmp/

docker ps |grep etcd
docker ps |grep apiserver

## 数据同步到其他master

cd /var/etcd-backups/
scp -r 20210824_105129_snapshot.db 10.110.1.185:/var/etcd-backups/20210824_105129_snapshot.db
scp -r 20210824_105129_snapshot.db 10.110