gitlab-CI/CD部署一个java项目

1、环境准备

  1）安装jdk工具

• 安装yum epel源

  [root@k8s-node02 ~]# yum install -y epel-release

• 安装jdk

  [root@k8s-node02 ~]# yum install -y java-1.8.0-openjdk
  

• 验证jdk

  [root@k8s-node02 ~]# java -version
  openjdk version "1.8.0_232"
  OpenJDK Runtime Environment (build 1.8.0_232-b09)
  OpenJDK 64-Bit Server VM (build 25.232-b09, mixed mode)

  2）安装maven工具

• 安装maven官方源

  [root@k8s-node02 ~]# yum-config-manager --add-repo http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo
  [root@k8s-node02 ~]# yum-config-manager --enable epel-apache-maven

• 安装maven

  [root@k8s-node02 ~]# yum install -y apache-maven

• 验证maven

  [root@k8s-node02 ~]# mvn -version
  Apache Maven 3.5.2 (138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T03:58:13-04:00)
  Maven home: /usr/share/apache-maven
  Java version: 1.8.0_232, vendor: Oracle Corporation
  Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.232.b09-0.el7_7.x86_64/jre
  Default locale: en_US, platform encoding: UTF-8
  OS name: "linux", version: "3.10.0-957.27.2.el7.x86_64", arch: "amd64", family: "unix"

2、安装tomcat

• 官网下载地址：http://tomcat.apache.org/
• 下载tomcat

  [root@k8s-node02 tools]# wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.5.50/bin/apache-tomcat-8.5.50.tar.gz

• 安装tomcat

  [root@k8s-node02 tools]# tar -zxf apache-tomcat-8.5.50.tar.gz -C /opt/
  [root@k8s-node02 tools]# ln -s /opt/apache-tomcat-8.5.50   /opt/tomcat
  [root@k8s-node02 tools]# echo 'export TOMCAT_HOME=/opt/tomcat'>>/etc/profile
  [root@k8s-node02 tools]# echo 'export  PATH=$PATH:$TOMCAT_HOME/bin' >>/etc/profile
  [root@k8s-node02 tools]# source /etc/profile

• 启动tomcat

  [root@k8s-node02 tools]# /opt/tomcat/bin/startup.sh start
  Using CATALINA_BASE:   /opt/tomcat
  Using CATALINA_HOME:   /opt/tomcat
  Using CATALINA_TMPDIR: /opt/tomcat/temp
  Using JRE_HOME:        /usr
  Using CLASSPATH:       /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
  Tomcat started.

• 设置权限

  [root@k8s-node02 java_demo]# chown -R staff:staff /opt/apache-tomcat-8.5.50

• 浏览器验证

3、准备gitlab的" .gitlab-ci.yml "配置文件

[root@k8s-node02 java_demo]# vim .gitlab-ci.yml 
# 定义stages
stages:
  - build
  - install

# 定义安装包的存放位置和Tomcat服务器的地址的变量，便于后续部署使用.
variables:
  CIDEMO_PACKAGE_DIR: '/home/gitlab-runner/packages/cidemo'
  SERVER_HOME_DIR: '/home/gitlab-runner/tomcat/cidemo-tomcat'

###################### 构建编译和Maven打包编译 #######################

#编译测试任务:
deploy-build-test:
  stage: build
  only:
    - master
  script:
    - mvn clean package -Dmaven.test.skip=true
    - rm -rf $CIDEMO_PACKAGE_DIR/*.war
    - cp -a target/*.war $CIDEMO_PACKAGE_DIR/cidemo.war

###################### deploy部署安装 #######################

#打包任务:
deploy-install-test:
  stage: install
  script:
    - echo '准备将最新的war包复制、保存到某个目录里面供后续使用.'
    - rm -rf $SERVER_HOME_DIR/*.war
    - cp -a $CIDEMO_PACKAGE_DIR/cidemo.war   $SERVER_HOME_DIR/ROOT.war
    - /opt/tomcat/bin/startup.sh stop
    - rm -rf /opt/tomcat/webapps/*
    - cp -a $SERVER_HOME_DIR/ROOT.war /opt/tomcat/webapps/
    - /opt/tomcat/bin/startup.sh start

把编写的“.gitlab-ci.yml”提交到master端

4、 浏览器访问