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注：Gitlab是一个git服务程序，有web图形界面和一系列管理工具，具体详细介绍可以Google it。
这一篇可以说是上一篇《Linux Shell脚本之Atlassian confluence远程备份方法》的姊妹篇。其说明和原理是和上一篇是一样的，其核心原理都是core dump、scp、ssh和find+rm，但也有不同。
1.Gitlab本身提供了较好的备份方法，只是一个命令那么简单，并且它也支持远程备份（远程存储和云存储），例如它可以存储到aws的s3上。
2.本脚本运行在Gitlab服务器上，不在备机上，上一篇的脚本是与运行在备机上。
脚本如下：
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#!/bin/bash# This shell script will execute on A Server# SHELL=/bin/bash# PATH=/sbin:/bin:/usr/sbin:/usr/bin# MAILTO=root# HOME=/# For details see man 4 crontabs# Example of job definition:# .---------------- minute (0 - 59)# | .------------- hour (0 - 23)# | | .---------- day of month (1 - 31)# | | | .------- month (1 - 12) OR jan,feb,mar,apr ...# | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat# | | | | |# * * * * * user-name command to be executed# m h dom mon dow command# execute on 11:59 per sunday# 59 11 * * */0 $0 >/tmp/gitlab_backup_$(date -d "yesterday" +"%Y%m%d%H%M%S").log# execute on 23:59 per day# 59 23 * * * $0 >/tmp/gitlab_backup_$(date -d "yesterday" +"%Y%m%d%H%M%S").log# xxx.xxx.xxx.xxx xxx.xxx.xxx.xxx# | ssh tunnel |# xxx.xxx.xxx.xxx <==========> xxx.xxx.xxx.xxx# | |# ----------+-----------------------------+-------# | |# +-----+-----+ +------+------+# | A | | B |# +-----------+ +-------------+ # gitlab server backups clinet## A and B passed ssh Authentication# A-->B: ssh lan_ip# A-->B: ssh wan_ip# B-->A: ssh lan_ip# B-->A: ssh wan_ip# A-->A: ssh lan_ip# A-->A: ssh wan_ip# B-->B: ssh lan_ip# B-->B: ssh wan_ip# Run as root, of course.[ $UID -eq 0 ] || ( echo "Must be root to run this script." && exit 1 )
save_days=5[ $? -eq 1 ] && exit 1
gitlab_internal_backup_directory=/data/var/opt/gitlab/backups
# if you have both wan ip and lan ip, you can fill it with all, if you have one ip, you can fill it just with lan ipbackup_server_ipaddress_public=xxx.xxx.xxx.xxxbackup_server_ipaddress_private=xxx.xxx.xxx.xxx# select lan ip first for transmission speedbackup_server_hostname=${backup_server_ipaddress_private:-$backup_server_ipaddress_public}backup_server_ssh_username=root#backup_server_ssh_port=$(awk '/Port/ {print $2}' /etc/ssh/sshd_config)backup_server_ssh_port=$(netstat -anop | awk '/sshd/ && /LISTEN/ {print $4}' | awk -F ':' '{print $2}')
backup_server_ssh_hostname=$backup_server_hostnamebackup_path=/data/gitlab_backup_directory
backup_path_time_uniq=$(date -d "yesterday" +"%Y%m%d")
[ -d $backup_path/$backup_path_time_uniq ] || mkdir -p $backup_path/$backup_path_time_uniq
# sudo -u gitlab_ci -H bundle exec rake backup:create RAILS_ENV=productionecho "GitLab is executing backup operation, please hold on! "
/data/opt/gitlab/bin/gitlab-rake gitlab:backup:create >$backup_path/$backup_path_time_uniq/$(date -d "yesterday" +"%Y%m%d").log 2>&1
[ $? -ne 0 ] && echo "Local backup failed! " && exit 1;echo "Local backup successfully! "
backuped_tar_file=`awk '/gitlab_backup.tar/ {print $4}' $backup_path/backup_path_time_uniq/$(date -d "yesterday" +"%Y%m%d").log`
[ -f $gitlab_internal_backup_directory/$backuped_tar_file ] && echo "Find backuped tar file successfully! "
ssh $backup_server_ssh_username@$backup_server_ssh_hostname [ -d $backup_path/$backup_path_time_uniq ] || mkdir -p $backup_path/$backup_path_time_uniq
[ $? -ne 0 ] && echo "Remote backup directory creation failed! " && exit 1;echo "Remote backup directory creation successfully! "
scp -P$port $gitlab_internal_backup_directory/$backuped_tar_file $backup_server_ssh_username@$backup_server_ssh_hostname:$backup_path/$backup_path_time_uniq
[ $? -ne 0 ] && echo "Remote backup transmission failed! " && exit 1;echo "Remote backup transmission successfully! "
find $gitlab_internal_backup_directory -mtime +$save_days -exec rm -rf {} \;
[ $? -ne 0 ] && echo "Local expired backup remove skipped! ";echo "Local expired backup remove successfully! "
find $backup_path -mtime +$save_days -exec rm -rf {} \;
[ $? -ne 0 ] && echo "Local expired tempdir remove skipped! ";echo "Local expired tempdir remove successfully! "
ssh $backup_server_ssh_username@$backup_server_ssh_hostname find $backup_path -mtime +$save_days -exec rm -rf {} \;
[ $? -ne 0 ] && echo "Remote expired backup remove skipped! ";echo "Remote expired backup remove successfully! "
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参考：
GitLab.org / GitLab Community Edition / Backup restore https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md
GitLab.org / GitLab CI / Backup restore https://gitlab.com/gitlab-org/gitlab-ci/blob/master/doc/raketasks/backup_restore.md
tag:Gitlab备份脚本,Gitlab备份方法,如何备份Gitlab,远程备份Gitlab,远程备份脚本
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