一文详解 Jenkins 与 Docker 的自动化 CI/CD 实战

开发语言：Java
项目代码版本管理：Git
代码编译：Maven
持续集成：Jenkins
交付：以Docker镜像形式交付，提交至Harbor
部署：Docker主机创建容器

# yum install -y git

# useradd git# passwd git

# su - git
# mkdir solo.git
# cd solo.git
# git init --bare           #创建裸仓库
# vim config                #添加用户，否则commit报错[user]
        name = lzx
        email = lzx@lzx.com

# git clone https://github.com/b3log/solo.git

# cd solo/
# git remote remove origin
# git remote add origin git@192.168.30.130:/home/git/solo.git

# git add .
# git commit -m "all"# git push origin master

# yum install -y yum-utils device-mapper-persistent-data lvm2

# curl http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker.repo

# yum install -y docker-ce

# systemctl start docker && systemctl enable docker

# tar zxf jdk-8u191-linux-x64.tar.gz && mv jdk1.8.0_191/ /usr/local/jdk# wget http://mirrors.shu.edu.cn/apache/maven/maven-3/3.6.0/binaries/apache-maven-3.6.0-bin.tar.gz# tar zxf apache-maven-3.6.0-bin.tar.gz && mv apache-maven-3.6.0/ /usr/local/maven# vim /etc/profileMAVEN_HOME=/usr/local/maven
JAVA_HOME=/usr/local/jdk
PATH=$PATH:$JAVA_HOME/bin:$MAVEN_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jarexport JAVA_HOME PATH CLASSPATH# source !$

# ssh-keygen# ssh-copy-id git@192.168.30.130# ssh git@192.168.30.130            #测试登录

# vim Dockerfile-java

FROM centos:latest
MAINTAINER lzx  lzx@lzxlinux.com

RUN yum install -y wget vim curl unzip iproute net-tools && \
    yum clean all && \
    rm -rf /var/cache/yum/*

ADD jdk-8u191-linux-x64.tar.gz /usr/local/
RUN mv /usr/local/jdk1.8.0_191/ /usr/local/jdk && \
    wget http://mirrors.shu.edu.cn/apache/tomcat/tomcat-8/v8.5.39/bin/apache-tomcat-8.5.39.tar.gz && \
    tar zxf apache-tomcat-8.5.39.tar.gz && \
    mv apache-tomcat-8.5.39 /usr/local/tomcat && \
    wget http://mirrors.shu.edu.cn/apache/maven/maven-3/3.6.0/binaries/apache-maven-3.6.0-bin.tar.gz && \
    tar zxf apache-maven-3.6.0-bin.tar.gz && \
    mv apache-maven-3.6.0 /usr/local/maven && \
    wget http://mirrors.jenkins.io/war-stable/latest/jenkins.war && \
    rm -rf /usr/local/tomcat/webapps/* && \
    unzip jenkins.war -d /usr/local/tomcat/webapps/ROOT && \
    rm -rf jenkins.war jdk-* apache-*
ENV JAVA_HOME /usr/local/jdk
ENV JRE_HOME /usr/local/jdk/jre
ENV CATALINA_HOME /usr/local/tomcat
ENV MAVEN_HOME /usr/local/maven
ENV CLASSPATH $JAVA_HOME/lib:$JRE_HOME/lib:$JRE_HOME/lib/charsets.jar

ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin:$CATALINA_HOME/lib:$MAVEN_HOME/bin
WORKDIR /usr/local/tomcat
EXPOSE 8080
CMD ["catalina.sh","run"]

# docker build -t jenkins-2.164 -f Dockerfile-java .

# docker run -d -p 8080:8080 --name jenkins jenkins-2.164:latest

node ("192.168.30.128") {        #指定slave标签#拉取代码stage('Git Checkout') {
    checkout([$class: 'GitSCM',branches: [[name: '$Tag']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@192.168.30.130:/home/git/solo.git']]])}       #$Tag引用用户交互输入的tag#代码编译stage('Maven Build') {
    sh '''
    export JAVA_HOME=/usr/local/jdk
    /usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true
    '''}#项目打包到镜像并推送到镜像仓库stage('Build and Puah Image') {
    sh '''
    docker login -u admin -p Harbor12345 harbor.uqp.com
    REPOSITORY=harbor.uqp.com/project/solo:${Tag}
    cat > Dockerfile2 <<EOF
    FROM harbor.uqp.com/library/tomcat-85:latest
    RUN rm -rf /usr/local/tomcat/webapps/ROOT
    COPY target/*.war /usr/local/tomcat/webapps/ROOT.war
    CMD ["catalina.sh","run"]EOF
    docker build -t $REPOSITORY -f Dockerfile2 . 
    docker push $REPOSITORY
    '''             #根据$Tag作为镜像版本号}#部署到Docker主机stage('Deploy to Docker') {
    sh '''
    REPOSITORY=harbor.uqp.com/project/solo:${Tag}
    docker rm -f blog-solo | true
    docker image rm $REPOSITORY | true
    docker login -u amdin -p Harbor12345 harbor.uqp.com
    docker container run -d -v /usr/local/jdk:/usr/local/jdk --name blog-solo -p 88:8080 $REPOSITORY
    '''}}

# cd solo/
# touch src/main/webapp/123.txt
# git add .
# git commit -m "touch 123.txt"# git tag 1.0.0
# git push origin 1.0.0

# docker ps -a
CONTAINER ID   IMAGE   COMMAND    CREATED    STATUS       PORTS                  NAMES
386b2097e507        harbor.uqp.com/project/solo:1.0.0    "catalina.sh run"   3 minutes ago       Exited (255) 2 minutes ago                          blog-solo

# docker logs 38[ERROR]-[2019-03-26 16:41:47]-[org.b3log.latke.Latkes:786]: Read skin [Pinghsu]'s  configuration failed: null
[ERROR]-[2019-03-26 16:41:47]-[org.b3log.solo.SoloServletListener:316]: Can't load the default skins, please make sure skin [Pinghsu] is under skins directory and structure correctly