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  • gitlab之gitlab-ci和gitlab-runner<一>

    一、概述

    gitlab是开源代码托管软件,有ce和ee两种版本,一般情况下ce完全能满足企业使用,如果不差钱可以使用ee版本,这里使用的是ce版。之前也一直在做CI/CD,最开始采用gitlab+webhook+jenkins,但是这种组合略显笨重,后来经过一番探索原来gitlab早就自己做好了这一切,那就是gitlab-ci和gitlab-runner,gitlab-ci在安装gitlab的时候默认已经安装了,所以无需再次安装只需要安装一下gitlab-runner。

    !gitlab-ci就是持续集成,每一次push代码,就触发一次构建流程包括测试、编译、(打包)、部署等一系列的内容,这个流程是pipeline执行一系列的脚本构成,根据自己的项目需求制作相应的流程和编写相关的脚本,.gitlab-ci.yml的脚本解析就由它来负责。

    !gitlab-runner是脚本执行的地方,push代码后,gitlab-ci会解析.gitlab-ci.yml,然后根据pipeline规则在相应的runner上执行相应的脚本。

    !.gitlab-ci.yml是在git项目的根目录下的一个文件,记录了一系列的阶段和执行规则。GitLab-CI在push后会解析它,根据里面的内容调用runner来运行,项目使用gitlab-ci要在相应的项目里面加上这个文件。

    二、部署

    1、安装gitlab

    安装环境centos7

    使用yum的方式安装gitlab-ce,设置repo:

    #cat /etc/yum.repos.d/gitlab-ce.repo

    [gitlab-ce]
    name=Gitlab CE Repository
    baseurl=https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el$releasever/
    gpgcheck=0
    enabled=1

    #yum  provides gitlab-ce

    选择想要使用的版本尽享安装即可,这里我安装的是gitlab-ce-11.2.2-ce.0.el7.x86_64。

    #yum -y install gitlab-ce-11.2.2-ce.0.el7.x86_64

    结下来就是进行初始化、启动,首先要修改初始化文件,一般是在/etc/gitlab/gitlab.rb,主要是修改如下几项:

    external_url 'http://10.2.6.7',#这个是gitlab url,就是以后访问要使用的,所以一定要设置好,严格按照格式设置,"http://"不能省略,生产环境建议使用域名。

    邮件设置:

    gitlab_rails['smtp_enable'] = true
    gitlab_rails['smtp_address'] = "smtp.exmail.qq.com"
    gitlab_rails['smtp_port'] = 25
    gitlab_rails['smtp_user_name'] = "ci@app.com"
    gitlab_rails['smtp_password'] = "1qaz*@WSX"
    gitlab_rails['smtp_domain'] = "app.com"
    gitlab_rails['smtp_authentication'] = "login"
    gitlab_rails['smtp_enable_starttls_auto'] = true
    gitlab_rails['smtp_tls'] = false

    gitlab_rails['gitlab_email_enabled'] = true
    gitlab_rails['gitlab_email_from'] = 'ci@app.com'
    gitlab_rails['gitlab_email_display_name'] = 'gitlab'
    gitlab_rails['gitlab_email_reply_to'] = 'ci@app.com'
    gitlab_rails['gitlab_email_subject_suffix'] = 'dd'

    gitlab_rails['time_zone'] = 'Asia/Shanghai'

    还有就是数据目录存放,默认存放到/var/lib/gitlab下面,时间久了可能导致磁盘空间不够用,可以修改为其他较大空间的目录。

    启动:

    #gitlab-ctl reconfigure

    启动完成后,查看一下状态:

    出现以上证明启动成功,使用上面设置的external_url 'http://10.2.6.7',访问一下,生产环境建议设置一个域名,使用nginx代理一下。

    首次访问会提示更新密码,设置一个新的密码就可以了,默认用户名root。

    2、安装gitlab-runner

    #curl -L https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.rpm.sh | sudo bash

    #yum provides gitlab-runner

    选择匹配gitlab-ci的版本,这里选择gitlab-runner-11.2.0-1.x86_64

    #yum -y install gitlab-runner-11.2.0-1.x86_64

    2.1、注册gitlab-runner

    参考:https://docs.gitlab.com/runner/register/index.html

    根据提示填写即可。

    #gitlab-runner register

    Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com/):
    http://10.42.68.77
    Please enter the gitlab-ci token for this runner:
    _9cgUcGks7zQ-2swKmhL
    Please enter the gitlab-ci description for this runner:
    [ui]: sp
    Please enter the gitlab-ci tags for this runner (comma separated):
    ll
    Registering runner... succeeded runner=_9cgUcGk
    Please enter the executor: parallels, docker-ssh+machine, kubernetes, docker, docker-ssh, virtualbox, docker+machine, shell, ssh:
    docker
    Please enter the default Docker image (e.g. ruby:2.1):
    apline:latest

    #这里的url填写gitlab的访问地址,token是在gitlab管理页面获得:

    executor选择使用docker,上面设置完成后就注册完成了。

    接下来是修改配置文件,runner注册完成后,会生成一个配置文件/etc/gitlab-runner/config.toml.

    concurrent = 1
    check_interval = 0
    
    [[runners]]
      name = "ui"
      url = "http://10.42.68.77"
      token = "927ad1dacc341bc977836856a8533e"
      executor = "docker"
      cache_dir = "/data/tmp/cache"
      [runners.docker]
        tls_verify = false
        image = "docker:dind"
        privileged = true
        disable_cache = false
        volumes = ["/var/run/docker.sock:/var/run/docker.sock","/data/tmp/cache:/data/tmp/cache"]
        cache_dir = "/data/tmp/cache"
        shm_size = 0
      [runners.cache]
    

    concurrent = 1

    #设置一个runner并发jobs,concurrent = 20,表示这个runner可以同时最多执行20个job。

    下面贴一份dind的配置:

    cat /etc/gitlab-runner/config.toml

    concurrent = 8
    check_interval = 0
    
    [[runners]]
      name = "kn2-saturn"
      url = "http://glab.nget.com/"
      token = "443ffc1bdaa0be1983c49b88e61"
      executor = "docker"
      cache_dir = "/data/tmp/cache"
      [runners.docker]
        tls_verify = false
        image = "docker:dind"
        privileged = true
        disable_cache = false
        volumes = ["/var/run/docker.sock:/var/run/docker.sock", "/data/tmp/cache:/data/tmp/cache"]
        cache_dir = "/data/tmp/cache"
        shm_size = 0
      [runners.cache]
    
    [[runners]]
      name = "kn2-shared"
      url = "http://glab.nget.com/"
      token = "53abc8c08c14f386a40dd807853bc6"
      executor = "docker"
      cache_dir = "/data/tmp/cache"
      environment = ["httpProxy=http://10.4.15.13:8118", "no_proxy=localhost,.local,127.0.0.1,0.0.0.0,registry.npm.taobao.org"]
      [runners.docker]
        tls_verify = false
        image = "docker:dind"
        privileged = true
        disable_cache = false
        volumes = ["/var/run/docker.sock:/var/run/docker.sock", "/data/tmp/cache:/data/tmp/cache"]
        cache_dir = "/data/tmp/cache"
        shm_size = 0
      [runners.cache]
    
    [[runners]]
      name = "kn2,kubernetes"
      url = "http://gitb.nget.com"
      token = "ce6d7c6c6bf96c05dd3ed9a3edb0"
      executor = "kubernetes"
      [runners.cache]
      [runners.kubernetes]
        host = ""
        bearer_token_overwrite_allowed = false
        image = ""
        namespace = ""
        namespace_overwrite_allowed = ""
        privileged = true
        service_account_overwrite_allowed = ""
        pod_annotations_overwrite_allowed = ""
        [runners.kubernetes.volumes]
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  • 原文地址:https://www.cnblogs.com/cuishuai/p/9636386.html
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