GitLab 的安装配置（CentOS 7）

安装依赖库，开放 ssh，http 端口

$ sudo yum install curl policycoreutils openssh-server openssh-clients
$ sudo systemctl enable sshd
$ sudo systemctl start sshd
$ sudo yum install postfix
$ sudo systemctl enable postfix
$ sudo systemctl start postfix
$ sudo firewall-cmd --permanent --add-service=http
$ sudo systemctl reload firewalld

下载 rpm 包安装

curl -LJO https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el7/gitlab-ce-10.5.2-ce.0.el7.x86_64.rpm
rpm -ivh gitlab-ce-10.5.2-ce.0.el7.x86_64.rpm

启动 GitLab

sudo gitlab-ctl reconfigure # 根据配置文件/etc/gitlab/gitlab.rb启动服务
# 常见的一些命令
sudo gitlab-ctl status
sudo gitlab-ctl start
sudo gitlab-ctl stop
sudo gitlab-ctl restart
sudo gitlab-ctl tail  # 查看日志
sudo vim /etc/gitlab/gitlab.rb  # 修改默认配置

浏览器访问
- 虚拟机上安装 GitLab，ip 为 192.168.99.13，直接在浏览器输入 ip 即可；
- 首次登陆，账号密码为 root 和 5iveL!fe，成功后强制修改密码；
- 新增用户，配置 ssh-key 连接，创建项目…
修改项目路径(domain 更改为 ip)
- 新建项目后，发现项目路径名，比如 http://gitlab.example.com:pggsnap/gitlab-cicd-demo.git 为域名，这样的话每个客户端都需要在本机上配置 hosts 才能访问，或者在公司内网 dns 配置。通过修改 domain 为 ip 可以方便客户端访问。
- vim /etc/gitlab/gitlab.rb，修改 external_url；之后 sudo gitlab-ctl reconfigure。
```
# external_url 'http://gitlab.example.com'
external_url 'http://192.168.99.13'
```
- 查看 /opt/gitlab/embedded/service/gitlab-rails/config/gitlab.yml 中 host 的值是否已变更为 ip 地址；如果没有，手动修改后重启 gitlab。
```
production: &base
#
# 1. GitLab app settings
# ==========================

## GitLab settings
gitlab:
  ## Web server settings (note: host is the FQDN, do not include http://)
  host: 192.168.99.13
  port: 80
  https: false

  # Uncommment this line below if your ssh host is different from HTTP/HTTPS one
  # (you'd obviously need to replace ssh.host_example.com with your own host).
  # Otherwise, ssh host will be set to the `host:` value above
  ssh_host:
```

GitLab CI 的安装配置

安装 GitLab-Runner

如上图，GitLab Runner section 链接中指出了 runner 的安装方法，https://docs.gitlab.com/runner/install/linux-repository.html。

centos7为例，
```
curl -L https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.rpm.sh | sudo bash
sudo yum install gitlab-runner
```

[root@wuyf gitlab-runner]# gitlab-ci-multi-runner register
  Running in system-mode.

  Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com/):
  http://10.192.1.221/
  Please enter the gitlab-ci token for this runner:
  g2fvscKpyBhgG9iUp-55
  Please enter the gitlab-ci description for this runner:
  [pggsnap-spring-cloud-demo]:
  Please enter the gitlab-ci tags for this runner (comma separated):

  Whether to lock the Runner to current project [true/false]:
  [true]:
  Registering runner... succeeded                     runner=g2fvscKp
  Please enter the executor: docker+machine, kubernetes, docker, docker-ssh, parallels, virtualbox, shell, ssh, docker-ssh+machine:
  shell
  Runner registered successfully. Feel free to start it, but if it's running already the config should be automatically reloaded!

新建了一个 Spring Boot 项目，在项目根目录创建 .gitlab-ci.yml 文件，配置如下:
```
build:
  script: "mvn clean package"
```
之后每次上传代码到 GitLab 仓库时，会自动执行脚本，检查通过之后才会成功上传。

基于 GitLab 配置 CI

GitLab 的安装配置（CentOS 7）

GitLab CI 的安装配置

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