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王兴 / CookIM

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README_JENKINS.md 7.40 KB
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cookeem 提交于 2017-06-30 14:57 . modified: README_JENKINS.md

Jenkins安装相关插件("系统管理" -> "管理插件")

  • CloudBees Docker Build and Publish plugin

    docker插件,在"构建"步骤增加"Docker Build and Publish",把构建结果Build到docker以及push到registry

  • CloudBees Docker Custom Build Environment Plugin

    docker插件,在"构建环境"步骤增加"Build inside a Docker container",在构建环境的时候下载docker客户端,在docker中进行项目构建

  • docker-build-step

    docker插件,在"构建"步骤增加"Execute Docker command",在构建过程中增加docker客户端指令步骤

  • GitLab Plugin

    gitlab插件,在"General"步骤增加"GitLab connection",源码管理可以调用gitlab

  • Gitlab Authentication plugin

    gitlab插件,可以使用gitlab的api token进行授权

  • Gitlab Hook Plugin

    gitlab插件,在"构建触发器"步骤增加"Build when a change is pushed to GitLab. GitLab CI Service URL: http://localhost:8080/project/XXX"

    当gitlab代码发生提交的时候,通过gitlab hook主动触发构建

  • Kubernetes plugin

    kubernetes插件,可以在kubernetes中启动相关pod

  • Maven Integration plugin

    Maven插件,可以增加“构建一个Maven项目” 错误修复: 如果安装了“CloudBees Docker Custom Build Environment Plugin”,在进行maven构建的时候,会出现调用dockerhost连接错误的提示:

    Established TCP socket on dockerhost:57438
    maven33-agent.jar already up to date
    maven33-interceptor.jar already up to date
    maven3-interceptor-commons.jar already up to date
    [cyberoptic-demo-core-messages] $ /etc/alternatives/java_sdk_1.8.0/bin/java -cp /var/lib/jenkins/slave-node/maven33-agent.jar:/opt/apache-maven-3.3.3/boot/plexus-classworlds-2.5.2.jar:/opt/apache-maven-3.3.3/conf/logging jenkins.maven3.agent.Maven33Main /opt/apache-maven-3.3.3 /var/lib/jenkins/slave-node/slave.jar /var/lib/jenkins/slave-node/maven33-interceptor.jar /var/lib/jenkins/slave-node/maven3-interceptor-commons.jar dockerhost:57438

    那是因为jenkins安装了“CloudBees Docker Custom Build Environment Plugin”,并且发现dockerhost这个主机名能够访问,这个时候,就会把本机当成在docker中运行的slave jenkins,并且尝试连接dockerhost来启动maven。

    主要是因为使用了中国移动的CMCC或者热点上网,导致DNS劫持。务必修改Mac系统的dockerd的daemon.json设置:

    {
      "dns": [
        "114.114.114.114"
      ],
      "registry-mirrors" : [
        "http://3d13f480.m.daocloud.io"
      ]
    }

Jenkins中GitLab、Docker、Maven基础配置

  • GitLab连接设置("系统管理" -> "系统设置" -> "GitLab connections")

    "Connection name" 设置为 gitlab_cookeem

    "Gitlab host URL" 设置为 http://gitlab

    "Credentials" 需要"Add Credentials","Kind" 选择 "GitLab API token";"API token"对应 Gitlab "User Settings" -> "Account" -> "Private token"

    "Test Connection" 检测GitLab API token能够正常连接

  • Docker环境设置("系统管理" -> "Global Tool Configuration" -> "Docker" -> "Docker安装")

    "新增Docker" 新增一个Docker版本的环境变量

    "Name" 设置为 docker_1.13.1;"自动安装" 选择上

    "新增安装" 选择 "Install latest from docker.io"

    "Docker version" 设置为 1.13.1

  • Docker Builder环境设置,对应docker-build-step插件("系统管理" -> "系统设置" -> "Docker Builder")

    "Docker URL" 设置为 tcp://docker:2375

    "Test Connection" 检测连接是否正常

  • Maven环境设置("系统管理" -> "Global Tool Configuration" -> "Maven" -> "Maven安装")

    "新增Maven" 新增一个Maven版本的环境变量

    "别名" 设置为 maven3.5.0;"自动安装" 选择上

    "新增安装" 选择 "Install from Apache"

    "Version" 选择 Maven的版本

  • JDK环境设置("系统管理" -> "Global Tool Configuration" -> "JDK" -> "JDK安装")

    "新增JDK" 新增一个JDK版本的环境变量

    "别名" 设置为 jdk8u131;"自动安装" 选择上

    "新增安装" 选择 "从java.sun.com安装"

    "版本" 选择JDK的版本

Jenkins中新建项目,实现Maven项目通过GitLab进行源码管理和自动打包到Docker

  • "新建" -> "构建一个maven项目"

  • "General"设置

    "项目名称" 设置为 CookIM

    "GitLab connection" 选择 gitlab_cookeem(对应"系统管理" -> "系统设置" -> "GitLab connections")

  • "源码管理"设置

    "Git" -> "Repositories" -> "Repository URL" 设置为 http://gitlab/cookeem/CookIM

    "Git" -> "Repositories" -> "Credentials" -> "Add Credentials","Kind" 选择 "Username with password","Username" 设置为 cookeem@qq.com,"Password" 设置为对应GitLab账号密码

  • "构建触发器"设置

    "Build when a change is pushed to GitLab. GitLab CI Service URL: http://localhost:8080/project/CookIM" 该项选择

    "Build when a change is pushed to GitLab." -> "高级" -> "Secret token" -> "Generate" 创建Jenkins token

    打开GitLab界面,"Projects" -> "cookeem/CookIM" -> "Settings" -> "Integrations","URL" 设置为 http://jenkins:8080/project/CookIM(对应Jenkins的"GitLab CI Service URL"),"Secret Token" 设置为对应Jenkins的"Secret token"。创建WebHook后进行测试,就会触发自动构建

  • "构建环境"设置

    "Add timestamps to the Console Output" 选择上

  • "Pre Steps"设置

    "新增构建步骤" -> "Execute shell",执行以下构建脚本

printenv
  • "Build"设置

    "Goals and options" 设置为 clean install 点击高级 "Settings file" 选择 "Settings file in filesystem" "File path" 设置为 /var/jenkins_home/maven/settings.xml (注意,务必设置settings.xml的mirrors设置指向nexus)

  • "Post Steps"设置

    "Add post-build step" -> "Execute shell",执行以下构建脚本

# 设置DOCKER_HOME
export MY_DOCKER_HOME=/var/jenkins_home/tools/org.jenkinsci.plugins.docker.commons.tools.DockerTool/docker_1.13.1
export PATH=$PATH:$MY_DOCKER_HOME/bin
export DOCKER_HOST=tcp://ci-docker:2375

# 设置版本信息
export APP_VERSION_NAME=`cat VERSION`

# 把文件复制到项目目录
mv target/cookim-${APP_VERSION_NAME}-allinone.jar cookim.jar

# 构建docker镜像
docker build -t k8s-registry:5000/cookeem/cookim:$APP_VERSION_NAME -f Dockerfile_k8s .

# 把docker镜像推送到k8s-registry:5000
docker push k8s-registry:5000/cookeem/cookim:$APP_VERSION_NAME

# 使用kubectl拉起镜像
kubectl apply -f kubernetes/cookim.yaml
  • "保存"项目

  • GitLab中进行push,触发Jenkins进行Maven项目构建,完成构建后,把编译包build成docker镜像,并且把镜像push到docker registry

  • 源码的根目录需要创建Dockerfile,用于"CloudBees Docker Build and Publish plugin"进行自动构建docker镜像

  • 在jenkins容器中测试CookIM是否启动正常

        docker exec -ti jenkins bash
        curl docker:8081/user/haijian/ok
        exit
  • 在docker容器中测试CookIM是否启动正常,检测logs中的App Version

        docker exec -ti docker ash
        docker images
        docker ps
        docker logs CookIM
        exit
  • 关闭服务,注意,如果只是stop再up,docker容器启动会出现异常

        docker-compose stop && docker-compose rm -f
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