gitlab异地备份并验证MD5值

#!/bin/bash
gitlab_dir="/data/backups/gitlab"
file_name=`ls -tr $gitlab_dir|tail -n 1`     #get lastest gitlab file
port="22"
IP="192.168.129.212"
backup_dir="/data/gitlab-backup-from-172.17.3.41"
starttime=`date +‘%Y-%m-%d %H:%M:%S‘`


function send_mail(){
   if [ $# != 2 ] ; then 
    echo "需要2个参数,一个是邮件内容，一个是邮件主题"
    exit 1; 
  fi 
   echo "$1" |mail -s "$2" 528634141@qq.com
}

function md5sum_file(){
   
   source_file_name_md5sum_value=`md5sum $gitlab_dir/$file_name|awk ‘{print $1}‘`
   echo "$file_name" >/tmp/md5sum.txt
   scp /tmp/md5sum.txt $IP:/tmp
   back_file_name_md5sum_value=`ssh $IP ‘sh /usr/local/shells/md5sum.sh‘`
   echo $back_file_name_md5sum_value
   if [ $source_file_name_md5sum_value == $back_file_name_md5sum_value ];then
      FLAG=0
   else
      FLAG=1
      exit 1
   fi
}

function rsync_file(){
    rsync -av  --progress --bwlimit=1500 -e "ssh -p$port" $gitlab_dir/$file_name $IP:$backup_dir
    if [ $? -eq 0 ];then
      md5sum_file
      if [ $FLAG == 0 ];then
       
       endtime=`date +‘%Y-%m-%d %H:%M:%S‘`
       send_mail "研发源gitlab(172.17.3.41)-文件$file_name备份至世纪互联服务器$IP成功,md5值为:$back_file_name_md5sum_value,请确认! 开始时间:$starttime, 结束时间:$endtime" "Gitlab备份成功!"
      else
       send_mail "研发源gitlab(172.17.3.41)-文件验证md5值失败，$file_name备份失败,请确认!" "Gitlab备份失败!"
      fi
    else
      send_mail "rsync $file_name失败" "rsync $file_name失败"
      exit 1
    fi
}

rsync_file