jenkins入门与安装

一、实验环境

---

selinux iptables off

主机名	IP	系统版本
gitlab	10.10.10.200	rhel7.5
jenkins	10.10.10.10	rhel7.5
tomcat	10.10.10.11	rhel7.5

二、安装jenkins

---

1、解压安装包

下载地址：https://download.docker.com/linux/static/stable/x86_64/

[root@jenkins ~]# tar xf docker-18.06.3-ce.tgz
[root@jenkins ~]# cd docker/
[root@jenkins docker]# cp * /usr/bin/

2、配置docker.service

[root@jenkins ~]# vim /etc/systemd/system/docker.service
[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network-online.target firewalld.service
Wants=network-online.target
 
[Service]
Type=notify
 
# the default is not to use systemd for cgroups because the delegate issues still
# exists and systemd currently does not support the cgroup feature set required
# for containers run by docker
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
 
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity

# Uncomment TasksMax if your systemd version supports it.
# Only systemd 226 and above support this version.
#TasksMax=infinity
TimeoutStartSec=0
 
# set delegate yes so that systemd does not reset the cgroups of docker containers
Delegate=yes
 
# kill only the docker process, not all processes in the cgroup
KillMode=process
 
# restart the docker process if it exits prematurely
Restart=on-failure
StartLimitBurst=3
StartLimitInterval=60s
 
[Install]
WantedBy=multi-user.target

3、启动docker

[root@jenkins ~]# chmod +x /etc/systemd/system/docker.service
[root@jenkins ~]# systemctl daemon-reload
[root@jenkins ~]# systemctl enable docker && systemctl restart docker

4、修改镜像源

[root@jenkins ~]# cat /etc/docker/daemon.json
{
 "registry-mirrors": ["https://docker.mirrors.ustc.edu.cn"]
}

[root@jenkins ~]# systemctl restart docker

三、gitlab安装

---

1、安装

[root@gitlab ~]# curl -sS https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.rpm.sh | sudo bash
[root@gitlab ~]# yum install -y gitlab-ce

2、初始化GitLab配置

[root@gitlab ~]# gitlab-ctl reconfigure

其他命令：

# 启动 gitlab 服务
gitlab-ctl start
​
# 停止 gitlab 服务
gitlab-ctl stop

3、浏览器登陆

http://10.10.10.200

[root@gitlab ~]# cat /etc/gitlab/initial_root_password

4、修改root密码

5、上传项目

四、tomcat安装

---

1、解压

[root@server1 ~]# tar xf jdk-8u45-linux-x64.tar.gz
[root@server1 ~]# mv jdk1.8.0_45/ /usr/local/jdk

2、声明变量

[root@server1 ~]# vim /etc/profile
export JAVA_HOME=/usr/local/jdk
export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$PATH:$JAVA_HOME/bin

[root@server1 ~]# . /etc/profile

3、安装Tomcat

官网下载地址：https://tomcat.apache.org/download-80.cgi

[root@server1 ~]# tar xf apache-tomcat-8.5.59.tar.gz
[root@server1 ~]# mv apache-tomcat-8.5.59 /usr/local/tomcat

4、启动Tomcat

[root@server1 ~]# /usr/local/tomcat/bin/startup.sh 
[root@server1 ~]# /usr/local/tomcat/bin/shutdown.sh       ###关闭

5、查看Tomcat

五、jenkins安装

---

1、拉取镜像

[root@jenkins ~]# docker pull jenkins/jenkins:2.361.4-lts-jdk11
[root@jenkins ~]# docker images
REPOSITORY            TAG                 IMAGE ID            CREATED             SIZE
jenkins/jenkins       2.361.4-lts-jdk11   25fa92c47840        6 months ago        463MB

2、解压文件

[root@jenkins ~]# tar xf jdk-8u45-linux-x64.tar.gz
[root@jenkins ~]# mv jdk1.8.0_45/ /usr/local/jdk
[root@jenkins ~]# tar xf apache-maven-3.5.0-bin.tar.gz
[root@jenkins ~]# mv apache-maven-3.5.0 /usr/local/maven

3、配置maven阿里云仓库

[root@jenkins ~]# vim /usr/local/maven/conf/settings.xml

  
    central
    central
    aliyun maven
    https://maven.aliyun.com/repository/public
  

4、运行jenkins

docker run -d --name jenkins -p 8080:8080 -p 50000:50000 -u root \
-v /opt/jenkins_home:/var/jenkins_home \
-v /usr/local/maven:/usr/local/maven \
-v /usr/local/jdk:/usr/local/jdk \
-v /etc/localtime:/etc/localtime \
-v /usr/bin/docker:/usr/bin/docker \
-v /var/run/docker.sock:/var/run/docker.sock \
--restart=always \
jenkins/jenkins:2.361.4-lts-jdk11

5、查看密码

[root@jenkins ~]# cd /opt/jenkins_home/
[root@jenkins jenkins_home]# sed -i ‘s#https://updates.jenkins.io/update-center.json#http://mirror.esuni.jp/jenkins/updates/update-center.json#g’ hudson.model.UpdateCenter.xml
[root@jenkins jenkins_home]# systemctl restart docker

[root@jenkins ~]# cat /opt/jenkins_home/secrets/initialAdminPassword
375dd3d01ef9411b833a8860d028683d

6、通过密码登录

7、安装插件

8、创建管理员用户

9、安装重启

10、修改为国内源

[root@jenkins ~]# cd /opt/jenkins_home/updates/
[root@jenkins updates]# sed -i 's/https:\/\/updates.jenkins.io\/download/https:\/\/mirrors.tuna.tsinghua.edu.cn\/jenkins/g' default.json
[root@jenkins updates]# sed -i 's/http:\/\/www.google.com/https:\/\/www.baidu.com/g' default.json

六、通过FreeStyle发布

---

提前下载git parameter、Publish Over SSH插件，git parameter版本低于0.95正常，否则报错：Retrieving Git references，无法获取到正常版本

1、配置Tomcat SSH Server

Manage Jenkins -> Configure System -> Public over SSH

2、创建FreeStyle项目

3、配置git参数

4、git拉取地址设置

5、maven编译

JAVA_HOME=/usr/local/jdk
PATH=$PATH:$JAVA_HOME/bin
/usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true

6、Tomcat服务器执行程序

tomcat=/usr/local/tomcat
cd $tomcat/webapps
rm -rf $tomcat/webapps/ROOT
mv *.war /data/backup/$(date +"%F_%T")_ROOT.war
# 部署新程序并重启Tomcat
mv /tmp/$JOB_NAME/*.war  $tomcat/webapps/ROOT.war
pid=$(ps -ef |grep $tomcat |egrep -v 'grep' |awk '{print $2}')
[ -n "$pid" ] && kill -9 $pid
export  JAVA_HOME=/usr/local/jdk
/bin/bash /usr/local/tomcat/bin/startup.sh

7、构建并查看结果

七、通过Maven发布

---

安装插件Maven IntegrationVersion 3.22

1、配置JDK和maven

系统管理->全局工具配置

2、创建maven项目

3、配置Git参数

4、git拉取地址设置

5、maven编译

clean package -DskipTests=true

6、Tomcat服务器执行脚本

tomcat=/usr/local/tomcat
cd $tomcat/webapps
rm -rf $tomcat/webapps/ROOT
mv *.war /data/backup/$(date +"%F_%T")_ROOT.war
# 部署新程序并重启Tomcat
mv /tmp/$JOB_NAME/*.war  $tomcat/webapps/ROOT.war
pid=$(ps -ef |grep $tomcat |egrep -v 'grep' |awk '{print $2}')
[ -n "$pid" ] && kill -9 $pid
export  JAVA_HOME=/usr/local/jdk
/bin/bash /usr/local/tomcat/bin/startup.sh

7、构建并查看结果

八、通过Pipline发布

---

1、创建流水线项目

2、配置git参数

3、流水线语法

4、git拉取流水线脚本

5、maven编译流水线脚本

6、发送并启动流水线脚本

7、配置流水线脚本

pipeline {
    agent any 
    stages {
        stage('拉取代码') { 
            steps {
                checkout scmGit(branches: [[name: '$Branch']], extensions: [], userRemoteConfigs: [[credentialsId: 'e94bf465-be00-490b-9f24-856106362015', url: 'http://10.10.10.200/wielun/java-test.git']])
            }
        }
        stage('maven编译') { 
            steps {
                sh '''JAVA_HOME=/usr/local/jdk
                PATH=$PATH:$JAVA_HOME/bin
                /usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true'''
            }
        }
        stage('发送到tomcat服务器并启动') { 
            steps {
                sshPublisher(publishers: [sshPublisherDesc(configName: 'tomcat-test', transfers: [sshTransfer(cleanRemote: false, excludes: '', execCommand: '''tomcat=/usr/local/tomcat
                cd $tomcat/webapps
                rm -rf $tomcat/webapps/ROOT
                mv *.war /data/backup/$(date +"%F_%T")_ROOT.war
                # 部署新程序并重启Tomcat
                mv /tmp/$JOB_NAME/*.war  $tomcat/webapps/ROOT.war
                pid=$(ps -ef |grep $tomcat |egrep -v \'grep\' |awk \'{print $2}\')
                [ -n "$pid" ] && kill -9 $pid
                export  JAVA_HOME=/usr/local/jdk
                /bin/bash /usr/local/tomcat/bin/startup.sh''', execTimeout: 120000, flatten: false, makeEmptyDirs: false, noDefaultExcludes: false, patternSeparator: '[, ]+', remoteDirectory: '$JOB_NAME', remoteDirectorySDF: false, removePrefix: 'target', sourceFiles: 'target/*.war')], usePromotionTimestamp: false, useWorkspaceInPromotion: false, verbose: false)])
            }
        }
    }
}

8、构建并查看结果

注：第一次看不到分支，构建一次就好了