持续集成（1）gitlab的安装
Gitlab 备份官网的备份说明
https:
//gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/raketasks/backup_restore.md
查看备份设置
vim /home/git/gitlab/config/gitlab.yml
检查Backup Settings设置项
默认情况下，备份文件是存放在/home/git/gitlab/tmp/backups/
执行备份
sudo service gitlab stop # 先停止Gitlab，可以不暂停
cd /home/git/gitlab/
sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production
执行完成后，会在/home/git/gitlab/tmp/backups/目录下创建一个备份俄文件，以时间戳_gitlab_backup命名如 1417040627_gitlab_backup.tar
重新启动
sudo service gitlab start
sudo service nginx restart
还原
需要给其他用户配置读写执行的权限
chmod o+wrx /home/git/.ssh/authorized_keys.lock
否则会出现如下错误，是由于没有权限
/home/git/gitlab-shell/lib/gitlab_keys.rb:101:in `initialize’: Permission denied @ rb_sysopen - /home/git/.ssh/authorized_keys.lock (Errno::EACCES)
需要使用 git 用户来执行，否则会没有权限操作 git 目录下的文件，timestamp_of_backup为时间戳如 1417040627
sudo service gitlab stop
cd /home/git/gitlab/
sudo -u git -H bundle exec rake gitlab:backup:restore BACKUP=timestamp_of_backup RAILS_ENV=production
如果是从全新部署的 gitlab 还原，需要执行这一步
sudo -u git -H bundle exec rake gitlab:satellites:create RAILS_ENV=production
重启 gitlab
sudo service gitlab start
sudo service nginx restart
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production
设置自动备份
sudo service gitlab stop;
cd /home/git/gitlab;
sudo -u git -H editor config/gitlab.yml;
# Enable keep_time in the backup section to automatically delete old backups
keep_time参数默认是604800（单位是秒），因此会保留最近7天内的备份
sudo -u git crontab -e # Edit the crontab for the git user
将如下内容添加到文件末尾
# Create a full backup of the GitLab repositories and SQL database every day at 2am
0 2 * * * cd /home/git/gitlab && PATH=/usr/local/bin:/usr/bin:/bin bundle exec rake gitlab:backup:create RAILS_ENV=production CRON=1
重新启动
sudo service gitlab start;
sudo service nginx restart;
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production;
要是忘记管理员密码的话：
参考：
https://www.nitrohsu.com/gitlab-reset-administrator-password.html
# Gitlab 安装路径
cd /home/git/gitlab
# 进入Rails控制台
sudo -u git -H bundle exec rails console production
进入控制台，如果知道需要修改用户的邮箱，使用如下，直接修改
user = User.find_by(email: 'admin@example.com')
user.password = 'secret_password'
user.password_confirmation = 'secret_password'
user.save
如果不知道具体邮箱，可以通过find来查找邮箱
user = User.find(1)
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