2020-06-07 基于Docker构建企业Jenkins C
2020-06-07 本文已影响0人
阿丧小威
1. CI/CD
持续集成（Continuous Integration，CI）：代码合并、构建、部署、测试都在一起，不断地执行这个过程，并对结果反馈。
持续部署（ContinuousDeployment，CD）：部署到测试环境、预生产环境、生产环境。
持续交付（ContinuousDelivery，CD）：将最终产品发布到生产环境，给用户使用。
CI/CD流程
CI流程
CI流程
测试环境：
机器1：安装Jenkins和docker，IP：192.168.9.63
机器2：安装git和harbor，IP：192.168.9.64
2. 部署Jenkins和Docker
在机器1上操作，部署Jenkins：
[root@localhost ~]# ls ---上传安装所需的包
anaconda-ks.cfg apache-tomcat-8.0.46.tar.gz jdk-8u45-linux-x64.tar.gz jenkins.war
[root@localhost ~]# tar zxf jdk-8u45-linux-x64.tar.gz ---解压jdk
[root@localhost ~]# tar zxf apache-tomcat-8.0.46.tar.gz ---解压tomcat
[root@localhost ~]# mv jdk1.8.0_45 /usr/local/jdk ---把jdk移动到/usr/local下
[root@localhost ~]# vi /etc/profile ---添加以下两行
JAVA_HOME=/usr/local/jdk
PATH=$PATH:$JAVA_HOME/bin
[root@localhost ~]# source /etc/profile
[root@localhost ~]# java -version
java version "1.8.0_45"
Java(TM) SE Runtime Environment (build 1.8.0_45-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.45-b02, mixed mode)
[root@localhost ~]# mv apache-tomcat-8.0.46 /usr/local/jenkins_tomcat
[root@localhost ~]# cd /usr/local/jenkins_tomcat/
[root@localhost jenkins_tomcat]# ls ---tomcat的网站根目录为webapps
bin conf lib LICENSE logs NOTICE RELEASE-NOTES RUNNING.txt temp webapps work
[root@localhost jenkins_tomcat]# cd webapps/
[root@localhost webapps]# ls ---默认的工程名是ROOT
docs examples host-manager manager ROOT
[root@localhost webapps]# rm -rf * ---里面的东西用不到，删除掉
[root@localhost webapps]# ls
[root@localhost webapps]# mv /root/jenkins.war ./ROOT.war ---这样就可以直接访问到Jenkins，不用加工程名
[root@localhost webapps]# ls
ROOT.war
[root@localhost webapps]# cd ../bin/
[root@localhost bin]# ./startup.sh
Using CATALINA_BASE: /usr/local/jenkins_tomcat
Using CATALINA_HOME: /usr/local/jenkins_tomcat
Using CATALINA_TMPDIR: /usr/local/jenkins_tomcat/temp
Using JRE_HOME: /usr/local/jdk
Using CLASSPATH: /usr/local/jenkins_tomcat/bin/bootstrap.jar:/usr/local/jenkins_tomcat/bin/tomcat-juli.jar
Tomcat started.
[root@localhost ~]# vi /etc/docker/daemon.json ---因为docker是在http上运行的，所以要配置可信任
{
"registry-mirrors": ["http://f1361db2.m.daocloud.io"],
"insecure-registries":["192.168.9.64"] ---IP地址为仓库地址
}
[root@localhost ~]# systemctl restart docker
访问Jenkins，需要输入密码，密码在红框所在的文件下。
访问Jenkins
[root@localhost bin]# cat /root/.jenkins/secrets/initialAdminPassword ---复制密码，登录
e41cfc8b278f437794a636cc80f6e38f
Jenkins显示离线，先跳过。
Jenkins显示离线，先跳过
输入帐号密码
下一步
安装成功
Jenkins主界面
创建项目
由于还没安装pipeline插件，所以没有相应按钮，返回首页
进入系统管理
进入插件管理
高级
拉到最下面，把https改成http，提交，检查
点击可用
输入pipeline查找
找到pipeline，安装
安装SCM
安装git
下一步，安装docker。
[root@localhost ~]# sudo yum install -y yum-utils \ ---安装依赖包
device-mapper-persistent-data \
lvm2
[root@localhost ~]# yum-config-manager \ ---安装yum源
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
[root@localhost ~]# yum install docker-ce -y ---安装docker
[root@localhost ~]# systemctl start docker
[root@localhost ~]# systemctl enable docker
[root@localhost ~]# curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://f1361db2.m.daocloud.io ---配置后下载镜像会加快
[root@localhost ~]# systemctl restart docker
3. 部署代码仓库git和镜像仓库Harbor
使用机器2操作：
使用上面的方法安装docker，然后安装compose
[root@localhost ~]# curl -L https://github.com/docker/compose/releases/download/1.15.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
[root@localhost ~]# chmod +x /usr/local/bin/docker-compose
安装harbor
[root@localhost ~]# ls
anaconda-ks.cfg harbor-offline-installer-v1.6.1.tgz
[root@localhost ~]# tar zxf harbor-offline-installer-v1.6.1.tgz
[root@localhost ~]# cd harbor
[root@localhost harbor]# ls
common docker-compose.yml install.sh prepare
docker-compose.chartmuseum.yml ha LICENSE
docker-compose.clair.yml harbor.cfg NOTICE
docker-compose.notary.yml harbor.v1.6.1.tar.gz open_source_license
[root@localhost harbor]# vi harbor.cfg
hostname = 192.168.9.64 ---修改成当前机器IP
[root@localhost harbor]# ./prepare ---执行准备工作
[root@localhost harbor]# ./install.sh ---安装
[root@localhost harbor]# docker-compose ps ---已启动
Name Command Sta Ports
te
-----------------------------------------------------------------------------------------
harbor- /harbor/start.sh Up
adminserver
harbor-db /entrypoint.sh Up 5432/tcp
postgres
harbor- /harbor/start.sh Up
jobservice
harbor-log /bin/sh -c Up 127.0.0.1:1514->10514/tcp
/usr/local/bin/ ...
harbor-ui /harbor/start.sh Up
nginx nginx -g daemon off; Up 0.0.0.0:443->443/tcp,
0.0.0.0:4443->4443/tcp, 0.0.0.0:80->80/tcp
redis docker-entrypoint.sh Up 6379/tcp
redis ...
registry /entrypoint.sh Up 5000/tcp
/etc/regist ...
访问Harbor，默认密码为Harbor12345。
访问Harbor
安装git
[root@localhost ~]# useradd git ---创建git用户和密码
[root@localhost ~]# passwd git
Changing password for user git.
New password:
Retype new password:
passwd: all authentication tokens updated successfully.
[root@localhost ~]# yum install -y git ---安装git
[root@localhost ~]# su - git ---切换到git用户
[git@localhost ~]$ mkdir tomcat-java-demo.git ---创建一个空目录
[git@localhost ~]$ cd tomcat-java-demo.git/
[git@localhost tomcat-java-demo.git]$ git --bare init ---初始化为git仓库
Initialized empty Git repository in /home/git/tomcat-java-demo.git/
[git@localhost tomcat-java-demo.git]$ exit
logout
[root@localhost ~]# git clone https://github.com/lizhenliang/tomcat-java-demo ---下载demo
把demo代码提交到git仓库：
[root@localhost ~]# cd tomcat-java-demo/
[root@localhost tomcat-java-demo]# ls
db Dockerfile LICENSE pom.xml README.md src
[root@localhost tomcat-java-demo]# vi .git/config
[core]
repositoryformatversion = 0
filemode = true
bare = false
logallrefupdates = true
[remote "origin"]
url = git@192.168.9.64:/home/git/tomcat-java-demo.git ---把这里改成git私有仓库地址
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
remote = origin
merge = refs/heads/master
[root@localhost tomcat-java-demo]# git add . ---添加本地文件到暂存区
[root@localhost tomcat-java-demo]# git commit -m 'all' ---提交到本地
# On branch master
nothing to commit, working directory clean
[root@localhost tomcat-java-demo]# git push origin master ---推送到远程仓库里
The authenticity of host '192.168.9.64 (192.168.9.64)' can't be established.
ECDSA key fingerprint is SHA256:9VmUJe/cRLjBYWdRBiCviJRhG/GwhKs/mKAqIeGydEg.
ECDSA key fingerprint is MD5:ae:93:94:50:3f:6d:63:cc:e8:42:25:92:f3:ef:3c:e9.
Are you sure you want to continue connecting (yes/no)? yes
在机器1上操作，把镜像推到Harbor仓库上：
[root@localhost ~]# docker pull lizhenliang/tomcat ---拉取tomcat镜像
[root@localhost ~]# docker login 192.168.9.64 ---登录Harbor仓库
Username: admin
Password:
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
[root@localhost ~]# docker tag lizhenliang/tomcat 192.168.9.64/library/tomcat:latest ---推送前先打标签
[root@localhost ~]# docker push 192.168.9.64/library/tomcat:latest ---推上去
推送成功
4. Jenkins配置Pipeline并构建Java项目测试
创建新项目
输入项目名称，选择流水线，确定
把事先写好的Pipeline脚本粘贴上去
Pipeline脚本：
node {
// 拉取代码
stage('Git Checkout') {
checkout([$class: 'GitSCM', branches: [[name: '${branch}']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: 'a2db6b77-03d9-402a-8cbf-0307a638cb6c', url: 'git@192.168.9.64:/home/git/tomcat-java-demo.git']]]) }
// 代码编译
stage('Maven Build') {
sh '''
export JAVA_HOME=/usr/local/jdk
/usr/local/maven/bin/mvn clean package -Dmaven.test.skip=true
'''
}
// 项目打包到镜像并推送到镜像仓库
stage('Build and Push Image') {
sh '''
REPOSITORY=192.168.9.64/library/tomcat-java-demo:${branch}
cat > Dockerfile << EOF
FROM 192.168.9.64/library/tomcat
MAINTAINER www.ctnrs.com
RUN rm -rf /usr/local/tomcat/webapps/*
ADD target/*.war /usr/local/tomcat/webapps/ROOT.war
EOF
docker build -t $REPOSITORY .
docker login 192.168.9.64 -u admin -p Harbor12345
docker push $REPOSITORY
'''
}
// 部署到Docker主机
stage('Deploy to Docker') {
sh '''
REPOSITORY=192.168.9.64/library/tomcat-java-demo:${branch}
docker rm -f tomcat-java-demo |true
docker pull $REPOSITORY
docker container run -d --name tomcat-java-demo -p 88:8080 $REPOSITORY
'''
}
}
由于Jenkins需要访问git仓库，所以需要配置通过密钥访问。
[root@localhost ~]# ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa):
Created directory '/root/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:Ja5osJeknx1cCDoqBeyKWzCkK9RNBvqzUMKna381SwQ root@localhost.localdomain
The key's randomart image is:
+---[RSA 2048]----+
| . |
|o . .E |
|.* o.o. . . |
|+.B.+. + o |
|+==+..o S |
|+*o*o+ * |
|Bo+.= * o |
|+o.+ + o |
|. .+ . |
+----[SHA256]-----+
[root@localhost ~]# ls .ssh/
id_rsa id_rsa.pub
[root@localhost ~]# ssh-copy-id git@192.168.9.64
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"
The authenticity of host '192.168.9.64 (192.168.9.64)' can't be established.
ECDSA key fingerprint is SHA256:9VmUJe/cRLjBYWdRBiCviJRhG/GwhKs/mKAqIeGydEg.
ECDSA key fingerprint is MD5:ae:93:94:50:3f:6d:63:cc:e8:42:25:92:f3:ef:3c:e9.
Are you sure you want to continue connecting (yes/no)? yes
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
git@192.168.9.64's password:
Number of key(s) added: 1
Now try logging into the machine, with: "ssh 'git@192.168.9.64'"
and check to make sure that only the key(s) you wanted were added.
[root@localhost ~]# ls .ssh/
id_rsa id_rsa.pub known_hosts
[root@localhost ~]# cat .ssh/id_rsa ---查看私钥
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
新打开一个Jenkins页面
选择凭据
选择全局凭据
添加凭据
添加凭据
更新
复制ID
把ID粘贴到Pipeline指定位置
在机器1上操作，配置maven和git环境：
[root@localhost ~]# tar zxf apache-maven-3.5.0-bin.tar.gz
[root@localhost ~]# mv apache-maven-3.5.0 /usr/local/maven
[root@localhost ~]# git clone git@192.168.9.64:/home/git/tomcat-java-demo.git
自定义参数
自定义参数
保存退出。
构建
查看详情
查看控制台输出
控制台输出
构建成功
测试访问成功
