使用容器部署Jenkins

• • 一、Tomcat部署目录结构
  • 二、编写Dokcerfile文件
  • 三、编写脚本配置文件
  • 四、编写测试页面文件
  • 五、生成镜像
  • 六、运行一个Tomcat容器
  • 七、部署Jenkins
  • 八、把镜像放到Docker Hub仓库

[root@master ~]# tree tomcat/
tomcat/
|-- Dockerfile
`-- files
    |-- apache-tomcat-9.0.54.tar.gz
    |-- index.jsp
    |-- install.sh
    |-- jenkins-2.303.2.war
    `-- jenkins-2.319.1.war

1 directory, 6 files

[root@master ~]# cat tomcat/Dockerfile 
FROM centos

LABEL MAINTAINER "gaofan1225 123qq.com"

ENV version 9.0.54 
ENV jenkins_vsn 2.319.1
ENV PATH $PATH:/usr/local/tomcat/bin

ADD files/apache-tomcat-${version}.tar.gz /usr/local/

COPY files/jenkins-${jenkins_vsn}.war /usr/local/
COPY files/index.jsp /usr/local/
COPY files/install.sh /tmp/

RUN /tmp/install.sh

EXPOSE 8080

WORKDIR /usr/local/tomcat/bin

CMD ["/usr/local/tomcat/bin/catalina.sh","run"]

[root@master ~]# cat tomcat/files/install.sh 
#!/bin/bash

rm -rf /etc/yum.repos.d/*
curl -o /etc/yum.repos.d/CentOS-base.repo https://mirrors.aliyun.com/repo/Centos-$(awk -F'"' 'NR==5{print $2}'  /etc/os-release).repo 
sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-base.repo 
yum -y install java-1.8.0-openjdk 
ln -s /usr/local/apache-tomcat-${version}/ /usr/local/tomcat
cd /usr/local/
mkdir /usr/local/tomcat/webapps/test
cp index.jsp /usr/local/tomcat/webapps/test/

[root@master ~]# cat tomcat/files/index.jsp 


         


         <%
           out.println("Hello amu");
         %>

[root@master ~]# docker build -t gaofan1225/tomcat:v1 tomcat/
......以上安装步骤省略
Successfully built b58f66854483
Successfully tagged gaofan1225/tomcat:v1

// 做端口映射8080
[root@master ~]# docker run -itd --name tomcat -p 8080:8080 gaofan1225/tomcat:v1
799fb773d080331fe56ca6225ae6d7c6d03866e4d68a544d7715691ebe0e98c5

页面访问

测试页面访问

// 交互模式登录tomcat容器
[root@master ~]# docker exec -it tomcat /bin/bash

[root@799fb773d080 bin]# cd ../webapps/ROOT/
[root@799fb773d080 ROOT]# ls
RELEASE-NOTES.txt  bg-button.png  bg-upper.png  tomcat.css
WEB-INF            bg-middle.png  favicon.ico   tomcat.svg
asf-logo-wide.svg  bg-nav.png     index.jsp

[root@799fb773d080 ROOT]# rm -rf RELEASE-NOTES.txt asf-logo-wide.svg bg-middle.png  bg-upper.png  index.jsp tomcat.css  tomcat.png

// 复制jenkins包当当前目录下
[root@799fb773d080 ROOT]# cp /usr/local/jenkins-2.319.1.war  .
[root@799fb773d080 ROOT]# ls
WEB-INF        bg-nav.png   jenkins-2.319.1.war
bg-button.png  favicon.ico  tomcat.svg

// 下载解压软件unzip
[root@799fb773d080 ROOT]# yum -y install unzip

// 解压jenkins包
[root@799fb773d080 ROOT]# unzip jenkins-2.319.1.war

[root@799fb773d080 ROOT]# ls
 ColorFormatter.class             css
 JNLPMain.class                   executable
'LogFileOutputStream$1.class'     favicon.ico
 LogFileOutputStream.class        help
 meta-INF                         images
'Main$FileAndDescription.class'   jenkins-2.319.1.war
 Main.class                       jsbundles
 MainDialog.class                 robots.txt
 WEB-INF                          scripts
 bg-button.png                    tomcat.svg
 bg-nav.png                       winstone.jar
 bootstrap

// 重启tomcat容器
[root@master ~]# docker restart tomcat
tomcat

页面访问

密码获取

[root@799fb773d080 local]# cat /root/.jenkins/secrets/initialAdminPassword
5cc3b7117fce4298962684f2f7e9115d

安装默认插件

等待插件安装

创建第一个管理员用户

绑定IP

安装完成

// 登录docker hub仓库
[root@master ~]# docker login
Login Succeeded


// 上传tomcat镜像到docker hub仓库
[root@master ~]# docker push gaofan1225/tomcat:v1