gitlab cicd(三) Gitlab Runner 介绍安装

Gitlab Runner 介绍

GitLab Runner是一个开源项目,用于运行您的作业并将结果发送回GitLab。它与GitLab CI一起使用,GitLab CI是GitLab随附的开源持续集成服务,用于协调作业。

GitLab Runner是用Go编写的,可以作为单个二进制文件运行,不需要语言特定的要求。

它旨在运行在GNU / Linux,macOS和Windows操作系统上。只要您可以在其上编译Go二进制文件,其他操作系统就可能正常工作。

如果要使用Docker,请确保v1.5.0至少安装了版本

官网文档:

https://docs.gitlab.com/runner/

安装(二进制手动安装方式)

服务器:192.168.31.31(centos7)

文档:https://docs.gitlab.com/runner/install/linux-manually.html

步骤:

#下载二进制文件,并设置可执行权限
sudo curl -L --output /usr/local/bin/gitlab-runner https://gitlab-runner-downloads.s3.amazonaws.com/latest/binaries/gitlab-runner-linux-amd64
sudo chmod +x /usr/local/bin/gitlab-runner

#安装docker,可选,如果执行器选择docker,则需要安装,如果可以,最好装个docker加速器
curl -sSL https://get.docker.com/ | sh  

#添加一个普通用户权限,用来运行gitlab runner,然后运行gitlab runner
sudo useradd --comment 'GitLab Runner' --create-home gitlab-runner --shell /bin/bash
sudo gitlab-runner install --user=gitlab-runner --working-directory=/home/gitlab-runner
sudo gitlab-runner start

注册gitlab runner

打开gitlab,找到runner ,以及runner的认证网址和随机码


11.png

gitlab runner服务器执行

[root@localhost ~]# gitlab-runner register   #注册runner到gitlab
Runtime platform                                    arch=amd64 os=linux pid=12351 revision=d0b76032 version=12.0.2
Running in system-mode.                            
                                                   
Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com/): #找到上图的gitlab服务器地址,也就是第二条
http://192.168.31.130/
Please enter the gitlab-ci token for this runner:#输入随机码
yx6oVQYxrLxczyazysF9
Please enter the gitlab-ci description for this runner: #runner 服务器的描述
[localhost.localdomain]: gitlab-runner-01
Please enter the gitlab-ci tags for this runner (comma separated): #runner打tag,在之后执行ci脚本可以通过tags选择runner
gitlab-runner-01
Registering runner... succeeded                     runner=yx6oVQYx
Please enter the executor: docker, docker-ssh, ssh, docker-ssh+machine, parallels, shell, virtualbox, docker+machine, kubernetes: #设置runner运行方式,这里我上一步安装了docker,我选择docker,也可以选择其他
docker
Please enter the default Docker image (e.g. ruby:2.6):#设置默认的镜像,也就是在ci里面没有写明image默认使用的镜像,这里我写的是centos:7
centos:7
Runner registered successfully. Feel free to start it, but if it's running already the config should be automatically reloaded! 



[root@localhost ~]# gitlab-runner restart  #重启下gitlab runner
Runtime platform                                    arch=amd64 os=linux pid=12359 revision=d0b76032 version=12.0.2

[root@localhost ~]# gitlab-runner list  #查看当前gitlab runner
Runtime platform                                    arch=amd64 os=linux pid=12379 revision=d0b76032 version=12.0.2
Listing configured runners                          ConfigFile=/etc/gitlab-runner/config.toml
gitlab-runner-01                                    Executor=docker Token=KAsxjVbByKauYnNMSKHY URL=http://192.168.31.130/

备注:gitlab runner配置文件在/etc/gitlab-runner/config.toml

注册完成后,在gitlab上就能看到刚注册的runner

12.png

测试

在项目的根目录下新建.gitlab-ci.yaml

13.png

.gitlab-ci.yaml内容是(具体含义下次分析)

stages:
  - build
  - cleanup_build
  - test
  - deploy
  - cleanup
  
build_job:
  stage: build
  tags:
  - gitlab-runner-01  #这里配置的是gitlab runner注册时候写的tag
  script:
    - echo build_job
    
cleanup_build_job:
  stage: cleanup_build
  tags:
  - gitlab-runner-01
  script:
    -  echo cleanup build when failed
  when: on_failure

test_job:
  stage: test
  tags:
  - gitlab-runner-01
  script:
    - echo  test

deploy_job:
  stage: deploy
  tags:
  - gitlab-runner-01
  script:
    - echo  deploy
  when: manual

cleanup_job:
  stage: cleanup
  tags:
  - gitlab-runner-01
  script:
    - echo cleanup_job
  when: always
14.png

可以看到pipline执行完成了具体步骤可以点击jobs查看详细,如果手速快,还在在runner机器上docker ps看到执行过程


15.png

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