基于Jenkins实现可腹部回滚的cicd平台

Jenkins ：是一个开源的实现持续集成的工具，可以实施监控持续集成过程中所存在的问题，提供详细的日志文件和提醒功能，还能用图表的形式直观的展示出项目构建的趋势和稳定性
maven：只有在Java项目时才会使用，帮助实现Java项目的打包
ansible：自动化运维工具，实现批量系统配置，批量程序部署，批量运行命令等

基于Jenkins+git+docker 发布Java项目

192.168.200.10 git Git/Docker registry

192.168.200.20 jenkins jenkins

192.168.200.14 docker docker

[root@docker ~]# setenforce 0

setenforce: SELinux is disabled

[root@docker ~]# iptables -F

[root@docker ~]# systemctl stop firewalld

[root@docker ~]# systemctl stop NetworkManager

配置Git模拟开发提交

[root@Git ~]# rpm -q git

git-1.8.3.1-19.el7.x86_64

[root@Git ~]# useradd git

[root@Git ~]# passwd git  #设置密码123456

#配置jenkins主机上免交互拉取Git仓库

[root@jenkins ~]# ssh-keygen

[root@jenkins ~]# ssh-copy-id git@192.168.200.14

[root@jenkins ~]# ssh git@192.168.200.20  #测试git

[git@Git ~]$ exit

#在git服务器上创建probe仓库

[root@Git ~]# su - git

Last login: Thu Nov  4 00:13:20 PDT 2021 from server01 on pts/1

[git@Git ~]$ mkdir probe.git

[git@Git ~]$ cd probe.git/

[git@Git probe.git]$ git --bare init

Initialized empty Git repository in /home/git/probe.git/

#从GitHub拉取开源Java博客系统psi-probe代码

[root@jenkins ~]# git clone https://github.com/psi-probe/psi-probe.git  #

psi-probe

[root@jenkins psi-probe]# ls

CODE_OF_CONDUCT.md              LICENSE         psi-probe-core      psi-probe-tomcat9

CONTRIBUTING.md                 LICENSE_HEADER  psi-probe-rest      psi-probe-web

docs                            mvnw            psi-probe-tomcat10  README.md

eclipse-java-google-style.xml   mvnw.cmd        psi-probe-tomcat7   src

intellij-java-google-style.xml  pom.xml         psi-probe-tomcat85

#移除旧地址，添加新的地址

[root@jenkins psi-probe]# git remote remove origin

[root@jenkins psi-probe]# git remote add origin git@192.168.200.20:/home/git/probe.git

#提交git仓库并创建tag

[root@jenkins psi-probe]# git add .

[root@jenkins psi-probe]# git config --global user.email "crushlinux@163.com"

[root@jenkins psi-probe]# git config --global user.name "crushlinux"

#创建标签

[root@jenkins psi-probe]# git tag 1.0.0

#推送git服务器

[root@jenkins psi-probe]# git push origin 1.0.0

Counting objects: 33856, done.

Compressing objects: 100% (9923/9923), done.

Writing objects: 100% (33856/33856), 22.14 MiB | 30.88 MiB/s, done.

Total 33856 (delta 20073), reused 33849 (delta 20067)

To git@192.168.200.20:/home/git/probe.git

 * [new tag]         1.0.0 -> 1.0.0

配置docker仓库

#在git上部署docker私有仓库

[root@Git ~]# docker run -d -v /opt/registry:/var/lib/registry -p 5000:5000 --restart=always --name registry registry

[root@Git ~]# docker ps -a

CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES

ed58b50e06bf        registry            "/entrypoint.sh /etc…"   5 minutes ago       Up 7 seconds        0.0.0.0:5000->5000/tcp   registry

#在所有主机上配置连接git

[root@jenkins ~]# vim /etc/docker/daemon.json

{

"insecure-registries":["192.168.200.20:5000"]

}

[root@jenkins ~]# systemctl daemon-reload

[root@jenkins ~]# systemctl restart docker

#测试能否上传镜像到私有仓库git上

[root@docker ~]# cat centos-7-x86_64.tar.gz | docker import - centos:7

sha256:4240ca40f3e88720b2b64bbff21b2f5ec24a9d7dace62f17ea8bb9dd468709ec

[root@docker ~]# docker tag centos:7 192.168.200.20:5000/centos:7

[root@docker ~]# docker push 192.168.200.20:5000/centos:7

The push refers to repository [192.168.200.20:5000/centos]

c664eb1dcbf0: Pushed

7: digest: sha256:7a34258489e0bc4049641cd821aa18f2740a8d62c5a72b70ac7d6e645f5c195a size: 529

#查看registry上传的镜像

[root@docker ~]# curl http://192.168.200.20:5000/v2/_catalog

{"repositories":["centos"]}

[root@docker ~]# curl http://192.168.200.20:5000/v2/centos/tags/list

{"name":"centos","tags":["7"]}

#测试能否下载，因为有缓存所有速度特别快

[root@docker ~]# docker rmi 192.168.200.20:5000/centos:7

Untagged: 192.168.200.20:5000/centos:7

Untagged: 192.168.200.20:5000/centos@sha256:7a34258489e0bc4049641cd821aa18f2740a8d62c5a72b70ac7d6e645f5c195a

[root@docker ~]# docker pull 192.168.200.20:5000/centos:7

7: Pulling from centos

Digest: sha256:7a34258489e0bc4049641cd821aa18f2740a8d62c5a72b70ac7d6e645f5c195a

Status: Downloaded newer image for 192.168.200.20:5000/centos:7

192.168.200.20:5000/centos:7

[root@docker ~]# docker images

REPOSITORY                   TAG                 IMAGE ID            CREATED             SIZE

192.168.200.20:5000/centos   7                   4240ca40f3e8        5 minutes ago       589MB

centos                       7                   4240ca40f3e8        5 minutes ago       589MB

#构建Tomcat镜像

在Jenkins和docker上安装jdk；

[root@docker ~]# tar xf jdk-8u191-linux-x64.tar.gz

[root@docker ~]# mv jdk1.8.0_191 /usr/local/java

[root@docker ~]# vim Dockerfile

FROM centos:7

MAINTAINER crushlinux

ENV VERSIOL=8.5.16

ENV JAVA_HOME /usr/local/java

ADD ./apache-tomcat-${VERSION}.tar.gz /tmp

RUN cd /tmp && \

    mv apache-tomcat-${VERSION} /usr/local/tomcat && \

    rm -rf apache-tomcat-$(VERSION).tar.gz /usr/local/tomcat/webapps/* && \

    mkdir /usr/local/tomcat/webapp/ROOT

EXPOSE 8080

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

[root@docker ~]# docker build -t 192.168.200.20:5000/tomcat-85 .  //构建镜像

巴特西

基于Jenkins实现可腹部回滚的cicd平台

基于Jenkins+git+docker 发布Java项目

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