基于docker部署
1.部署jenkins

$ yum -y install  java
$ java -version
openjdk version "1.8.0_181"
OpenJDK Runtime Environment (build 1.8.0_181-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode) $ 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 $ yum -y install jenkins 

2.部署gitlab

$ wget https://mirror.tuna.tsinghua.edu.cn/gitlab-ce/yum/el6/gitlab-ce-9.1.3-ce.0.el6.x86_64.rpm $ rpm -ivh gitlab-ce-9.1.3-ce.0.el6.x86_64.rpm $ gitlab-ctl reconfigure $ gitlab-ctl start 

3.harbor仓库部署
http://www.unmin.club/?p=252

4.gitlab新建项目

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5.jenkins配置

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node{stage('git下载'){//check CODEgit credentialsId: '664b2611-19e9-458f-beba-e215bbcb96f1', url: 'git@gitlab.example.com:root/my-test.git'}stage('构建'){ sh ''' cd /root/.jenkins/workspace/pipe/ cat >Dockerfile <<EOF FROM tomcat:tomcat RUN rm -rf /usr/src/tomcat/webapps/ROOT/index.jsp COPY ./index.jsp /usr/src/tomcat/webapps/ROOT/ WORKDIR /usr/src/tomcat EXPOSE 9090 ENTRYPOINT ["./bin/catalina.sh", "run"] EOF ''' } stage('上传到仓库'){ sh ''' docker build -t tomcat:2 . docker tag tomcat:2 www.zam.com/os/tomcat:2 docker login -u admin -p Harbor12345 www.zam.com docker push www.zam.com/os/tomcat:2 docker rmi www.zam.com/os/tomcat:2 docker rmi tomcat:2 ''' } stage('给docker集群部署'){ sh ''' ssh 192.168.16.238 'bash -x -s' </root/test.sh ''' } } 

6.jenkins主机编写脚本（需要源镜像tomcat）

#!/bin/bash
docker login  -u admin  -p Harbor12345  www.zam.com
docker rmi  -f www.zam.com/os/tomcat:2
docker pull  www.zam.com/os/tomcat:2
docker rm -f  tomcat
docker run -itd   --name tomcat --net host   www.zam.com/os/tomcat:2

7.构建