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第 6 章 Jenkins

目录

6.1. 安装 Jenkins
6.1.1. OSCM 一键安装
6.1.2. Mac
6.1.3. CentOS
6.1.4. Ubuntu
6.1.5. Docker
6.2. 配置 Jenkins
6.3. Jenkinsfile
6.3.1. Jenkinsfile - Declarative Pipeline
6.3.1.1. stages
6.3.1.2. script
6.3.1.3. junit
6.3.1.4. 设置环境变量
6.3.1.5. withEnv
6.3.1.6. parameters
6.3.1.7. options
6.3.1.8. triggers
6.3.1.9. tools
6.3.1.10. post
6.3.1.11. when 条件判断
6.3.1.12. 跑出错误
6.3.1.13.
6.3.1.13.1.
6.3.1.14. Jenkins pipeline 中使用 sshpass 实现 scp, ssh 远程运行
6.3.1.14.1.
6.3.2. Jenkinsfile - Scripted Pipeline
6.3.2.1. git
6.3.2.2. 切换 JDK 版本
6.3.2.3. groovy
6.3.2.4. Groovy code
6.3.2.4.1. Groovy 函数
6.3.2.5. Ansi Color
6.3.2.6. 写文件操作
6.3.2.7. modules 实现模块
6.3.2.8. docker
6.3.2.9. input
6.3.2.10. if 条件判断
6.3.3. agent
6.3.3.1. label
6.3.3.2. docker
6.3.3.2.1. 指定docker 镜像
6.3.3.2.2. args 参数
6.3.3.2.3. 构建镜像
6.3.3.3. Dockerfile
6.3.4. Steps
6.3.4.1. parallel 平行执行
6.3.4.2. echo
6.3.4.3. catchError 捕获错误
6.3.4.4. 睡眠
6.3.4.5.
6.3.4.6. 时间截
6.3.5. 版本控制
6.3.5.1. checkout
6.3.5.2. Git
6.3.6. 节点与过程
6.3.6.1. sh
6.3.6.2. Windows 批处理脚本
6.3.6.3. 分配工作空间
6.3.6.4. node
6.3.7. 工作区
6.3.7.1. 变更目录
6.3.7.2. 判断文件是否存在
6.3.7.3. 分配工作区
6.3.7.4. 清理工作区
6.3.7.5. 递归删除目录
6.3.7.6. 写文件
6.3.7.7. 读文件
6.4. Jenkins Job DSL / Plugin
6.5. Jenkins Plugin
6.5.1. Blue Ocean
6.5.2. Locale Plugin (国际化插件)
6.5.3. github-plugin 插件
6.5.4. Docker
6.5.4.1. 设置 Docker 主机和代理
6.5.4.2. 持久化
6.5.5. JaCoCo
6.5.5.1. Pipeline
6.5.6. Kubernetes 插件
6.5.6.1. Kubernetes Cli
6.6. Jenkinsfile Pipeline Example
6.6.1. Maven 子模块范例

6.1. 安装 Jenkins

6.1.1. OSCM 一键安装

			
yum install -y java-1.8.0-openjdk			
curl -s https://raw.githubusercontent.com/oscm/shell/master/project/jenkins/jenkins.sh | bash
			
			

6.1.2. Mac

使用 pkg 方式安装,默认路径是 /Applications/Jenkins/jenkins.war

			
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_92.jdk/Contents/Home
java -jar jenkins.war --httpPort=8080
			
			

浏览器访问:http://localhost:8080

查看默认密码 /Users/neo/.jenkins/secrets/initialAdminPassword

			
neo@MacBook-Pro ~ % cat /Users/neo/.jenkins/secrets/initialAdminPassword
6c7369afc6c1414586b6644657dd655a		
			
			

下载 cloudbees 插件

			
neo@MacBook-Pro ~ % cd ~/.jenkins/plugins
neo@MacBook-Pro ~/.jenkins/plugins % wget ftp://ftp.icm.edu.pl/packages/jenkins/plugins/cloudbees-folder//6.7/cloudbees-folder.hpi			
			
			

重启 Jenkens http://localhost:8080/restart

复制上面的密码,粘贴到浏览器中。

卸载 Jenkens

			
sudo rm -rf /var/root/.jenkins ~/.jenkins
sudo launchctl unload /Library/LaunchDaemons/org.jenkins-ci.plist
sudo rm /Library/LaunchDaemons/org.jenkins-ci.plist
sudo rm -rf /Applications/Jenkins "/Library/Application Support/Jenkins" /Library/Documentation/Jenkins

sudo rm -rf /Users/Shared/Jenkins
sudo dscl . -delete /Users/jenkins
sudo dscl . -delete /Groups/jenkins
sudo rm -f /etc/newsyslog.d/jenkins.conf
pkgutil --pkgs | grep 'org\.jenkins-ci\.' | xargs -n 1 sudo pkgutil --forget
			
			

由于我的Mac 模式是 JDK 11,所以需要制定 JAVA_HOME 到 JDK 1.8,否则提示

			
Dec 27, 2018 9:20:33 AM Main main
SEVERE: Running with Java class version 55.0, but 52.0 is required.Run with the --enable-future-java flag to enable such behavior. See https://jenkins.io/redirect/java-support/
java.lang.UnsupportedClassVersionError: 55.0
	at Main.main(Main.java:139)

Jenkins requires Java 8, but you are running 11+28 from /Library/Java/JavaVirtualMachines/jdk-11.jdk/Contents/Home
java.lang.UnsupportedClassVersionError: 55.0
	at Main.main(Main.java:139)		
			
			

6.1.3. CentOS

			
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 install -y jenkins			
			
			

cat /etc/sysconfig/jenkins

			
## Path:        Development/Jenkins
## Description: Jenkins Automation Server
## Type:        string
## Default:     "/var/lib/jenkins"
## ServiceRestart: jenkins
#
# Directory where Jenkins store its configuration and working
# files (checkouts, build reports, artifacts, ...).
#
JENKINS_HOME="/var/lib/jenkins"

## Type:        string
## Default:     ""
## ServiceRestart: jenkins
#
# Java executable to run Jenkins
# When left empty, we'll try to find the suitable Java.
#
JENKINS_JAVA_CMD=""

## Type:        string
## Default:     "jenkins"
## ServiceRestart: jenkins
#
# Unix user account that runs the Jenkins daemon
# Be careful when you change this, as you need to update
# permissions of $JENKINS_HOME and /var/log/jenkins.
#
JENKINS_USER="jenkins"

## Type:        string
## Default: "false"
## ServiceRestart: jenkins
#
# Whether to skip potentially long-running chown at the
# $JENKINS_HOME location. Do not enable this, "true", unless
# you know what you're doing. See JENKINS-23273.
#
#JENKINS_INSTALL_SKIP_CHOWN="false"

## Type: string
## Default:     "-Djava.awt.headless=true"
## ServiceRestart: jenkins
#
# Options to pass to java when running Jenkins.
#
JENKINS_JAVA_OPTIONS="-Djava.awt.headless=true"

## Type:        integer(0:65535)
## Default:     8080
## ServiceRestart: jenkins
#
# Port Jenkins is listening on.
# Set to -1 to disable
#
JENKINS_PORT="8080"

## Type:        string
## Default:     ""
## ServiceRestart: jenkins
#
# IP address Jenkins listens on for HTTP requests.
# Default is all interfaces (0.0.0.0).
#
JENKINS_LISTEN_ADDRESS=""

## Type:        integer(0:65535)
## Default:     ""
## ServiceRestart: jenkins
#
# HTTPS port Jenkins is listening on.
# Default is disabled.
#
JENKINS_HTTPS_PORT=""

## Type:        string
## Default:     ""
## ServiceRestart: jenkins
#
# Path to the keystore in JKS format (as created by the JDK 'keytool').
# Default is disabled.
#
JENKINS_HTTPS_KEYSTORE=""

## Type:        string
## Default:     ""
## ServiceRestart: jenkins
#
# Password to access the keystore defined in JENKINS_HTTPS_KEYSTORE.
# Default is disabled.
#
JENKINS_HTTPS_KEYSTORE_PASSWORD=""

## Type:        string
## Default:     ""
## ServiceRestart: jenkins
#
# IP address Jenkins listens on for HTTPS requests.
# Default is disabled.
#
JENKINS_HTTPS_LISTEN_ADDRESS=""


## Type:        integer(1:9)
## Default:     5
## ServiceRestart: jenkins
#
# Debug level for logs -- the higher the value, the more verbose.
# 5 is INFO.
#
JENKINS_DEBUG_LEVEL="5"

## Type:        yesno
## Default:     no
## ServiceRestart: jenkins
#
# Whether to enable access logging or not.
#
JENKINS_ENABLE_ACCESS_LOG="no"

## Type:        integer
## Default:     100
## ServiceRestart: jenkins
#
# Maximum number of HTTP worker threads.
#
JENKINS_HANDLER_MAX="100"

## Type:        integer
## Default:     20
## ServiceRestart: jenkins
#
# Maximum number of idle HTTP worker threads.
#
JENKINS_HANDLER_IDLE="20"

## Type:        string
## Default:     ""
## ServiceRestart: jenkins
#
# Pass arbitrary arguments to Jenkins.
# Full option list: java -jar jenkins.war --help
#
JENKINS_ARGS=""
			
			

Nginx 配置

			
[root@netkiller ~]# cat /etc/nginx/conf.d/jk.netkiller.cn.conf 
server {
    listen       80;
    server_name  jk.netkiller.cn;

    charset utf-8;

    location / {
    	proxy_pass   http://127.0.0.1:8080;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}
			
			

查看管理员密码

			
cat /var/lib/jenkins/secrets/initialAdminPassword			
			
			

6.1.4. Ubuntu

			
wget -q -O - https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo apt-key add -
deb https://pkg.jenkins.io/debian-stable binary/

sudo apt-get update
sudo apt-get install jenkins			
			
			

6.1.5. Docker

https://github.com/jenkinsci/docker/blob/master/README.md

8080端口是jenkins的端口,5000端口是master和slave通信端口

			
docker pull jenkins/jenkins:lts			
docker run -p 8080:8080 -p 50000:50000 --name jenkins jenkins/jenkins:lts
			
			

首次启动,不要使用 -d 参数,如果使用了 -d 参数可以通过docker logs -f jenkins查看控制台的密码

docker-compose 配置文件

			
version: '2'

services:
  jenkins:
    container_name: jenkins-lts
    ports: # 端口映射,9001为宿主机上的端口,相应的8080是容器运行起来时候jenkins服务的端口
      - 9001:8080
      - 50000:50000
    image: jenkins/jenkins:lts # 指定运行用哪一个镜像来运行容器
    volumes:
      - /home/jenkins/jenkins_home:/var/jenkins_home # 挂载指令,目的在于销毁容器时,并不影响jenkins数据