Jenkins+Maven+Git(GitLab)持续集成Java项目

sudo vi /etc/gitlab/gitlab.rb

external_url 'http://192.168.88.41'

#创建账号
sudo useradd app
sudo passwd app

#授予sudo权限且免密码
sudo visudo

#在最后一行加上
app ALL=(ALL) NOPASSWD:ALL

#开放1000到9999的端口
sudo firewall-cmd --add-port=1000-9999/tcp --permanent
sudo firewall-cmd --reload

#创建目录
sudo mkdir -p /webroot

#授权
sudo chown -R app:app /webroot

cd /home/downloads

#下载
sudo wget http://mirror.bit.edu.cn/apache/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

#解压到指定目录
sudo mkdir -p /usr/maven
sudo tar -zvxf apache-maven-3.6.1-bin.tar.gz -C /usr/maven

#修改/etc/profile
sudo vi /etc/profile

#在文件末尾写入以下内容
export MAVEN_HOME=/usr/maven/apache-maven-3.6.1
export PATH=$MAVEN_HOME/bin:$PATH

#使更改生效
source /etc/profile

#测试
mvn -version

#进入Maven根目录
cd $MAVEN_HOME

#备份配置文件
sudo mv conf/settings.xml conf/settings.xml.bak

#新建配置文件
sudo vi settings.xml

<?xml version="1.0" encoding="UTF-8"?>

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">

  <mirrors>

    <mirror>
      <id>alimaven</id>
      <name>aliyun maven</name>
      <url>https://maven.aliyun.com/repository/public/</url>
      <mirrorOf>*</mirrorOf>        
    </mirror>

    <mirror>
      <id>nexus-163</id>
      <mirrorOf>*</mirrorOf>
      <name>Nexus 163</name>
      <url>http://mirrors.163.com/maven/repository/maven-public/</url>
    </mirror>

    <mirror>
        <id>central</id>
        <name>Maven Repository Switchboard</name>
        <url>http://repo1.maven.org/maven2/</url>
        <mirrorOf>central</mirrorOf>
    </mirror>

  </mirrors>

</settings>

sudo yum install -y git

#生成密钥
ssh-keygen -t rsa

#查看公钥
cat ~/.ssh/id_rsa.pub

#查询SSH私钥
cat ~/.ssh/id_rsa

sudo systemctl restart jenkins

<build>
    <finalName>helloworld</finalName>
    <resources>
      <resource>
        <directory>src/main/resources</directory>
        <filtering>false</filtering>
      </resource>
    </resources>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.1</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
        </configuration>
      </plugin>
    </plugins>
  </build>

server:
  port: 8081

APP_NAME=helloworld.jar
cd /webroot/helloworld
mkdir -p logs

#找到包含AppName的进程
PROCESS=`ps -ef|grep $APP_NAME|grep -v grep  |awk '{ print $2}'`
#循环停用进程直到成功
while :
do
  kill -9 $PROCESS > /dev/null 2>&1
  if [ $? -ne 0 ];then
   break
  else
   continue
fi
done
echo 'Stop Successed'

#启动应用
nohup  /usr/java/jdk1.8.0_181/bin/java -jar $APP_NAME >>logs/start.log 2>>logs/startError.log &

#sleep等待15秒后，判断包含AppName的线程是否存在
sleep 15
if test $(pgrep -f $APP_NAME|wc -l) -eq 0
then
   echo "Start Failed"
else
   echo "Start Successed"
fi

Hello World!