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  • Jenkins自动化CI&CD流水线

    1 环境说明

    主机名称 IP cpu核数/内存/硬盘 安装软件 用途
    controlnode 172.16.1.120 2/2/60 git 代码仓库
    slavenode1 172.16.1.121 2/2/60 jenkins、jdk jenkins主节点
    slavenode2 172.16.1.122 2/2/60 jdk、maven、tomcat jenkins从节点2(用于构建和部署java程序)
    slavenode3 172.16.1.123 2/2/60 jdk、lnmp环境 jenkins从节点3(用于部署php程序)

    2 CICD DevOps介绍

    image-20200720125834628

    image-20200720125630672

    3 安装jenkins

    在 172.16.1.121 节点上操作

    Jenkins官方文档地址：https://www.jenkins.io/download/

    3.1 配置jenkins yum源

    # wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
    # rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key

    3.2 安装

    # yum install jenkins -y

    由于是国外的源安装可能会很慢，可以下载阿里云上的 rpm 进行安装

    https://mirrors.aliyun.com/jenkins/redhat-stable/jenkins-2.235.2-1.1.noarch.rpm

    3.3 配置java环境

    # tar -xzf jdk-8u45-linux-x64.tar.gz
    # mv jdk1.8.0_45/ /usr/local/jdk
    # sed -i.ori '$a export JAVA_HOME=/usr/local/jdk
export CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/lib/rt.jar
export PATH=$JAVA_HOME/bin:$PATH' /etc/profile
    # source /etc/profile
    # ln -s /usr/local/jdk/bin/java /usr/bin/java
    或
    vim /etc/init.d/jenkins
    /usr/bin/java => /usr/local/jdk/bin/java

    3.4 设置jenkins运行用户为root

    # vim /etc/sysconfig/jenkins
    JENKINS_USER="root"

    3.5 启动jenkins服务

    # systemctl start jenkins
    # systemctl enable jenkins => chkconfig jenkins on

    3.6 配置jenkins

    1 在浏览器中通过 http://172.16.1.121:8080/ url进行访问

    2 解锁jenkins

    # tailf /var/lib/jenkins/secrets/initialAdminPassword
    e5599334d1884634a910a0cbf2279b65

    image-202007241313288803 跳过插件安装

    image-20200724131637881

    4 创建用户和密码

    image-20200724140752730

    5 配置jenkins url地址

    image-20200724140837188

    6 jenkins安装完成

    image-20200724140950062

    7 更新 jenkins 插件地址如下

    http://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json

    或

    http://updates.jenkins.io/update-center.json

    image-20200724154625763

    此时会在/var/lib/jenkins/目录下生成一个updates目录

    修改插件下载路径

    # cd /var/lib/jenkins/updates/
    # sed -i.bak 's/http://updates.jenkins-ci.org/download/http://mirrors.tuna.tsinghua.edu.cn/jenkins/g' default.json
    # sed -i.bak 's/http://www.google.com/http://www.baidu.com/g' default.json
    # systemctl restart jenkins.service

    8 安装插件

    参数构建化过程插件：Build With Parameters Persistent Parameter

    参数构建插件：Extended Choice Parameter、Git Parameter、邮件插件：Email Extension

    权限管理插件：Role-based Authorization Strategy、中文插件：Localization: Chinese (Simplified)

    git插件：Git、Maven插件：Maven Integration、jenkins主从代理插件：SSH Build Agents、

    工作空间清理：Workspace Cleanup、流水线插件：Pipeline

    4 jenkins从节点2安装配置

    在 172.16.1.122 节点上操作

    安装 unzip，不然后面的pipeline脚本会报错，提示“No zipfiles found.”
    # yum install unzip -y

    4.1 安装jdk

    # tar -xzf jdk-8u45-linux-x64.tar.gz
# mv jdk1.8.0_45/ /usr/local/jdk
# sed -i.ori '$a export JAVA_HOME=/usr/local/jdk
export CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/lib/rt.jar
export PATH=$JAVA_HOME/bin:$PATH' /etc/profile
# source /etc/profile

    4.2 安装maven

    # tar -xzf apache-maven-3.5.3-bin.tar.gz
# mv apache-maven-3.5.3/ /usr/local/maven
# sed -i.ori '$a export MAVEN_HOME=/usr/local/maven
export PATH=$MAVEN_HOME/bin:$PATH' /etc/profile
# source /etc/profile
# mvn -v
Apache Maven 3.5.3 (3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-25T03:49:05+08:00)
Maven home: /usr/local/maven
Java version: 1.8.0_45, vendor: Oracle Corporation
Java home: /usr/local/jdk/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"
    修改maven构建时所需软件包的下载源
# vim /usr/local/maven/conf/settings.xml +158
    <mirror>    <id>central</id>    <mirrorOf>central</mirrorOf>    <name>aliyun maven</name>    <url>https://maven.aliyun.com/repository/public</url>
    </mirror>

    4.3 安装tomcat

    # tar -xzf apache-tomcat-8.5.31.tar.gz
# mv apache-tomcat-8.5.31/ /usr/local/tomcat
# rm -rf /usr/local/tomcat/webapps/*
# mkdir -p /usr/local/tomcat/webapps/ROOT
# echo "ok" >/usr/local/tomcat/webapps/ROOT/status.html
    # /usr/local/tomcat/bin/startup.sh
# http://172.16.1.122:8080/status.html

    5 jenkins从节点3安装配置

    在 172.16.1.123 节点上操作

    5.1 安装lnmp环境

    # yum install nginx php-mysql php-fpm mariadb-server -y
# systemctl start php-fpm.service
# systemctl enable php-fpm.service
# systemctl start mariadb.service
# systemctl enable mariadb.service

    增加配置

    # 注释掉 /etc/nginx/nginx.conf 中的 server 配置项，然后按如下操作进行
# vim /etc/nginx/conf.d/www.conf
server {
    listen       80;
    server_name  localhost;

    location / {
        root /usr/share/nginx/html;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
     }

     location ~ .(html|css|js|jpg|png|gif)$ {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
     }
}
# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
    # rm -rf /usr/share/nginx/html/*
# echo '<?php phpinfo(); ?>' >/usr/share/nginx/html/status.php
# systemctl start nginx.service
# systemctl enable nginx.service
# http://172.16.1.123/status.php

    5.2 安装 jdk

    # tar -xzf jdk-8u45-linux-x64.tar.gz
# mv jdk1.8.0_45/ /usr/local/jdk
# sed -i.ori '$a export JAVA_HOME=/usr/local/jdk
export CLASSPATH=$JAVA_HOME/lib/tools.jar:$JAVA_HOME/jre/lib/rt.jar
export PATH=$JAVA_HOME/bin:$PATH' /etc/profile
# source /etc/profile

    6 配置 jenkins 连接从节点

    6.1 为从节点添加凭据

    Manage Jenkins—>Manage Credentials—>添加凭据

    image-20200726182751473

    6.2 连接 jenkins从节点2(172.16.1.122)

    Manage Jenkins—>Manage Nodes and Clouds—>新建节点

    1 创建代理

    image-20200726182128232

    2 配置代理相关参数

    image-20200726184132392

    3 启动代理

    image-20200726184335205

    4 启动成功

    image-20200726184506566

    5 在节点上验证

    # ps -ef | grep jar
root       5844   5798  0 18:44 ?        00:00:00 bash -c cd "/var/lib/jenkins" && /usr/local/jdk/bin/java  -jar remoting.jar -workDir /var/lib/jenkins -jar-cache /var/l
ib/jenkins/remoting/jarCacheroot       5851   5844  8 18:44 ?        00:00:06 /usr/local/jdk/bin/java -jar remoting.jar -workDir /var/lib/jenkins -jar-cache /var/lib/jenkins/remoting/jarCache
root       5964   2184  0 18:45 pts/1    00:00:00 grep --color=auto jar

    6.3 连接 jenkins从节点3(172.16.1.123)

    image-20200726185256428

    7 安装 git

    在 172.16.1.120 节点上操作

    7.1 创建仓库

    1、安装Git
# yum install git -y
2、创建git用户并设置密码
# useradd git
# echo "123456" | passwd --stdin git
3、创建仓库
# su - git
$ mkdir -p repos/java-item.git
$ mkdir -p repos/php-item.git
$ mkdir -p repos/pipeline-scripts.git
$ git init --bare repos/java-item.git/
$ git init --bare repos/php-item.git/
$ git init --bare repos/pipeline-scripts.git/
$ su - root
# mkdir -p /tools && cd /tools/

    7.2 向git仓库推送数据

    1、配置ssh
# ssh-keygen
# ssh-copy-id -p 22 git@172.16.1.120
# git config --global user.email "you@example.com"
# git config --global user.name "Your Name"
2、提交java代码
# git clone git@172.16.1.120:/home/git/repos/java-item.git
# 上传maven构建的java源码包，解压后移动到java-item目录下
# cd java-item/
# git add .
# git commit -m "all"
# git push origin master
3、提交php代码
# git clone git@172.16.1.120:/home/git/repos/php-item.git
# 上传wordpress的源码包，解压后移动到php-item目录下
# cd php-item/
# git add .
# git commit -m "all"
# git push origin master
4、提交pipeline脚本
# git clone git@172.16.1.120:/home/git/repos/pipeline-scripts.git
# cd pipeline-scripts
# 将Jenkinsfile-java、Jenkinsfile-php脚本上传到pipeline-scripts目录下
# git add .
# git commit -m "all"
# git push origin master

    7.3 Jenkinsfile-java 脚本

    node ("tomcat(172.16.1.122)") {
    //def mvnHome = '/usr/local/maven'
    stage('git checkout') {
        checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@172.16.1.120
:/home/git/repos/java-item.git']]])    }

    stage('maven build') {
        sh '''
        JAVA_HOME=/usr/local/jdk
        PATH=$JAVA_HOME/bin:/usr/local/maven/bin:$PATH
        mvn clean package -Dmaven.test.skip=true
        '''
    }

    stage('deploy') {
        sh '''
        JENKINS_NODE_COOKIE=dontkillme
        TOMCAT_NAME=tomcat
        TOMCAT_HOME=/usr/local/$TOMCAT_NAME
        WWWROOT=$TOMCAT_HOME/webapps/ROOT
        BACKUP_DIR=/data/backup
        
        [ ! -d $BACKUP_DIR ] && mkdir -p $BACKUP_DIR
        [ -d $WWWROOT ] && mv $WWWROOT $BACKUP_DIR/${TOMCAT_NAME}-$(date +"%F_%T")
        unzip ${WORKSPACE}/target/*.war -d $WWWROOT
        PID=$(ps -ef |grep $TOMCAT_NAME |egrep -v "grep" |awk 'NR==1{print $2}')
        [ -n "$PID" ] && kill -9 $PID
        /bin/bash $TOMCAT_HOME/bin/startup.sh
        '''
    }

    stage('test') {
        sh '''
        sleep 5
        curl http://172.16.1.122:8080
        '''
    }

}

    7.4 Jenkinsfile-php 脚本

    node ("php(172.16.1.123)") {
    stage('git checkout') {
        checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'git@172.16.1.120
:/home/git/repos/php-item.git']]])    }

    stage('code copy') {
        sh '''
        WWWROOT=/usr/share/nginx/html
        BACKUP_DIR=/data/backup

        [ ! -d $BACKUP_DIR ] && mkdir -p $BACKUP_DIR
        [ -d $WWWROOT ] && mv $WWWROOT $BACKUP_DIR/PHP-$(date +"%F_%T")
        rm -rf ${WORKSPACE}/.git
        cp -a ${WORKSPACE} $WWWROOT
        chown -R apache.apache $WWWROOT
        '''
    }
 
    stage('test') {
       sh '''
       sleep 5
       curl http://172.16.1.123/
       '''
    }

}

    7.5 所有节点和 git 仓库建立 ssh 密钥验证登陆

    分别在 172.16.1.121、172.16.1.122、172.16.1.123 上执行如下命令
# ssh-keygen
# ssh-copy-id -p 22 git@172.16.1.120

    8 Jenkins+Pipeline+Java

    1 创建项目

    image-20200727173049475

    2 设置构建参数

    image-20200727173702684

    3 流水线参数配置

    image-20200727222457045

    4 构建项目

    image-20200728221032498

    5 构建视图

    image-20200728221117599

    6 访问网站

    http://172.16.1.122:8080/

    9 Jenkins+Pipeline+Maven+PHP

    1 创建项目

    image-20200729013356442

    2 设置构建参数

    image-20200727173702684[1]

    3 流水线参数配置

    image-20200729013925487

    4 构建项目

    image-20200729014141010

    5 构建视图

    image-20200729014344927

    6 访问网站

    http://172.16.1.123/

    10 用户权限设置

    1 开启允许用户注册功能和 启用 Role-Based Strategy 插件

    Manage Jenkins—>Configure Global Security

    image-20200729215317507

    2 新建两个项目分别时 A-item、B-item

    image-20200729215635775

    3 分别注册两个用户userA、userB

    image-20200729220212394

    4 新建用户角色和项目角色

    Manage Jenkins—>Manage and Assign Roles—>Manage Roles

    image-20200729221954635

    5 将用户赋予用户角色和项目角色上

    Manage Jenkins—>Manage and Assign Roles—>Assign Roles

    image-20200729222546947

    6 userA用户登陆

    image-20200729225530170

    7 userB用户登陆

    image-20200729225706957

    11 补充

    1 git

    git remote -v
git remote rm origin
git remote add origin git@172.16.1.120:/home/git/repos/pipeline-scripts.git

    2 参数化构建

    项目构建参数配置

    image-20200729230527395

    构建项目时可见选项

    image-20200729230103745

    3 邮箱设置

    Manage Jenkins—>Extended E-mail Notification

    下面是全局邮箱服务设置，在项目构建完成后也可指定动作发送邮件

    image-20200729232348362

    image-20200729232017924
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  • 原文地址：https://www.cnblogs.com/LiuChang-blog/p/14674176.html
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