Gitlab日常备份和恢复
按照官方安装文档安装完成之后的/home/git目录结构如下，这里我大致翻译官方的内容，部分加上自己的话，英语功力捉急，请见谅|-- home
| |-- git
| |-- .ssh
| |-- gitlab
| |-- gitlab-satellites
| |-- gitlab-shell
| |-- repositories
* `/home/git/.ssh` - ssh设定的目录. gitlab-shell管理着其中的 `authorized_keys`.
* `/home/git/gitlab` - GitLab核心部分
* `/home/git/gitlab-satellites` - 可以视为临时目录，通过web ui的提交请求文件以及检出版本库都会存放在这个位置
* `/home/git/gitlab-shell` - gitlab的核心插件组件. 包括ssh协议克隆和其他一些功能.
* `/home/git/repositories` - 原始版本库的所有项目组织的名称空间，也就是所有仓库的存储位置，所以这个目录里的数据非常重要，注意备份 **这是项目的关键数据. Keep a backup**
*Note: gitlab-satellites 和 repositories的路径都被定义在gitlab中的 `config/gitlab.yml` 和 gitlab-shell.* 中的`config.yml`
创建为所有版本库的存档，就是备份啦. 存储路径在gitlab中的 `config/gitlab.yml`
文件命名 `_gitlab_backup.tar`.
```
bundle exec rake gitlab:backup:create RAILS_ENV=production
```
类似如下:
```
Dumping database tables:
- Dumping table events...
- Dumping table issues...
- Dumping table keys...
- Dumping table merge_requests...
- Dumping table milestones...
- Dumping table namespaces...
- Dumping table notes...
- Dumping table projects...
- Dumping table protected_branches...
- Dumping table schema_migrations...
- Dumping table services...
- Dumping table snippets...
- Dumping table taggings...
- Dumping table tags...
- Dumping table users...
- Dumping table users_projects...
- Dumping table web_hooks...
- Dumping table wikis...
Dumping repositories:
- Dumping repository abcd...
Creating backup archive: $TIMESTAMP_gitlab_backup.tar
Deleting tmp directories...
Deleting old backups...
```
### 利用备份文件恢复
```
bundle exec rake gitlab:backup:restore RAILS_ENV=production
```
选项:
```
BACKUP=timestamp_of_backup (required if more than one backup exists)
```
类似这样:
```
Unpacking backup...
Restoring database tables:
-- create_table("events", {:force=>true})
-> 0.2231s
[...]
- Loading fixture events...
- Loading fixture issues...
- Loading fixture keys...
- Loading fixture merge_requests...
- Loading fixture milestones...
- Loading fixture namespaces...
- Loading fixture notes...
- Loading fixture projects...
- Loading fixture protected_branches...
- Loading fixture schema_migrations...
- Loading fixture services...
- Loading fixture snippets...
- Loading fixture taggings...
- Loading fixture tags...
- Loading fixture users...
- Loading fixture users_projects...
- Loading fixture web_hooks...
- Loading fixture wikis...
Restoring repositories:
- Restoring repository abcd...
Deleting tmp directories...
```
### 配置计划任务
```
cd /home/git/gitlab
sudo -u git -H editor config/gitlab.yml # 开启多久自动备份的时间
sudo -u git crontab -e # git用户的计划任务
```
增加如下的条目:
```
# 每天凌晨2点进行一次全备份
0 2 * * * cd /home/git/gitlab && PATH=/usr/local/bin:/usr/bin:/bin bundle exec rake gitlab:backup:create RAILS_ENV=production
```
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