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<h1><center>持续集成-交付-发布-项目</center></h1>
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**作者：行癫（盗版必究）**
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------
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## 一：Jenkins部署
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#### 1.安装插件
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```shell
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• Maven插件 Maven Integration plugin
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• 发布插件 Deploy to container Plugin
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需要安装插件如下：
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安装插件Deploy to container ---支持自动化代码部署到tomcat容器
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Git 插件 可能已经安装
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Maven Integration :jenkins利用Maven编译，打包所需插件
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Publish Over SSH :通过ssh连接
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```
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#### 2.安装过程
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系统管理--->插件管理---->可选插件--->过滤Deploy to container---->勾选--->直接安装
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220627235514357.png" alt="image-20220627235514357" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220627235607259.png" alt="image-20220627235607259" style="zoom:50%;" />
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#### 3.配置SSH
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220627235758575.png" alt="image-20220627235758575" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000008461.png" alt="image-20220628000008461" style="zoom:50%;" />
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注意：
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key:指的是jenkins服务器用哪个用户去远程连接程序服务器就是那个用户的私钥。（记得做免密 jenkins---> web-server)
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#### 4.配置jdk，maven，git
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000213404.png" alt="image-20220628000213404" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000256756.png" alt="image-20220628000256756" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000323472.png" alt="image-20220628000323472" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000358938.png" alt="image-20220628000358938" style="zoom:50%;" />
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## 二：构建发布任务
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#### 1.创建maven项目
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000510980.png" alt="image-20220628000510980" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000547600.png" alt="image-20220628000547600" style="zoom:50%;" />
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#### 2.配置项目
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000721842.png" alt="image-20220628000721842" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628000814797.png" alt="image-20220628000814797" style="zoom:50%;" />
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https://github.com/bingyue/easy-springmvc-maven
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注意：
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新版本需要将默认分支改为main
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628003247070.png" alt="image-20220628003247070" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628003459003.png" alt="image-20220628003459003" style="zoom:50%;" />
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628003538519.png" alt="image-20220628003538519" style="zoom:50%;" />
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调用mave命令
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（clean package -Dmaven.test.skip = true）
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628003556160.png" alt="image-20220628003556160" style="zoom:50%;" />
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保存：
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220628003642699.png" alt="image-20220628003642699" style="zoom:50%;" />
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#### 3.发布服务器部署
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```shell
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[root@java-server ~]# mkdir -p /data/application
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上传jdk
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[root@java-server ~]# tar xzf jdk-8u191-linux-x64.tar.gz -C /usr/local/
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[root@java-server ~]# cd /usr/local/
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[root@java-server local]# mv jdk1.8.0_191/ java
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下载tomcat
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[root@java-server ~]# wget http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.5.42/bin/apache-tomcat-8.5.42.tar.gz
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[root@java-server ~]# tar xzf apache-tomcat-8.5.42.tar.gz -C /data/application/
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[root@java-server ~]# cd /data/application/
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[root@java-server application]# mv apache-tomcat-8.5.42/ tomcat
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设置环境变量
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[root@java-server ~]# vim /etc/profile
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export JAVA_HOME=/usr/local/java
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export PATH=$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$PATH
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export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib:$JAVA_HOME/lib/tools.jar
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export TOMCAT_HOME=/data/application/tomcat
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[root@java-server ~]# source /etc/profile
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测试:
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[root@java-server ~]# java -version
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java version "1.8.0_191"
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Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
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Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)
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删除tomcat默认发布目录下面的内容:
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[root@java-server ~]# rm -rf /data/application/tomcat/webapps/*
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[root@java-server ~]# cd /data/application/tomcat/webapps/
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[root@java-server webapps]# ls
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创建目录和脚本:
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[root@java-server ~]# mkdir /opt/script #创建脚本目录
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[root@java-server ~]# vim app-jenkins.sh #创建脚本
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#!/usr/bin/bash
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#本脚本适用于jenkins持续集成，实现备份war包到代码更新上线！使用时请注意全局变量。
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#================
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#Defining variables
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export JAVA_HOME=/usr/local/java
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webapp_path="/data/application/tomcat/webapps"
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tomcat_run="/data/application/tomcat/bin"
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updata_path="/data/update/`date +%F-%T`"
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backup_path="/data/backup/`date +%F-%T`"
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tomcat_pid=`ps -ef | grep tomcat | grep -v grep | awk '{print $2}'`
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files_dir="easy-springmvc-maven"
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files="easy-springmvc-maven.war"
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job_path="/root/upload"
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#Preparation environment
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echo "Creating related directory"
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mkdir -p $updata_path
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mkdir -p $backup_path
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echo "Move the uploaded war package to the update 2directory"
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mv $job_path/$files $updata_path
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echo "========================================================="
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cd /opt
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echo "Backing up java project"
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if [ -f $webapp_path/$files ];then
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tar czf $backup_path/`date +%F-%H`.tar.gz $webapp_path
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if [ $? -ne 0 ];then
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echo "打包失败，自动退出"
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exit 1
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else
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echo "Checking if tomcat is started"
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if [ -n "$tomcat_pid" ];then
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kill -9 $tomcat_pid
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if [ $? -ne 0 ];then
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echo "tomcat关闭失败，将会自动退出"
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exit 2
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fi
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fi
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cd $webapp_path
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rm -rf $files && rm -rf $files_dir
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cp $updata_path/$files $webapp_path
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cd /opt
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$tomcat_run/startup.sh
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sleep 5
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echo "显示tomcat的pid"
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echo "`ps -ef | grep tomcat | grep -v grep | awk '{print $2}'`"
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echo "tomcat startup"
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echo "请手动查看tomcat日志。脚本将会自动退出"
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fi
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else
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echo "Checking if tomcat is started"
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if [ -n "$tomcat_pid" ];then
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kill -9 $tomcat_pid
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if [ $? -ne 0 ];then
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echo "tomcat关闭失败，将会自动退出"
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exit 2
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fi
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fi
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cp $updata_path/$files $webapp_path
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$tomcat_run/startup.sh
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sleep 5
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echo "显示tomcat的pid"
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echo "`ps -ef | grep tomcat | grep -v grep | awk '{print $2}'`"
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echo "tomcat startup"
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echo "请手动查看tomcat日志。脚本将会自动退出"
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fi
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[root@java-server ~]# vim app-jenkins.sh
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脚本内容在后面
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[root@java-server ~]# chmod +x app-jenkins.sh #添加执行权限
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[root@java-server ~]# mv app-jenkins.sh /opt/script/
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```
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#### 4.开始构建任务
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