jenkins分步式构建环境（agent）

inner2222023-11-13 10:05

root@jenkins:~# netstat -antp|grep 50000

tcp6 0 0 :::50000 ::😗 LISTEN 5139/java

1.52 安装Jenkins

root@ubuntu20:~# dpkg -i jenkins_2.414.3_all.deb

配置各种类型的Agent的关键之处在于启动Agent的方式

◼ JNLP Agent对应着"通过Java Web启动代理"这种方式

◼ Master与Slave之间建立一个基于HTTPS协力的Web连接

◼ Slave首次接入Master时，需要提供用于认证的Secret以完成

Bootstrap

配置JNLP Agent创建分布式构建环境的简要步骤

◼ 准备Agent节点，部署好Jenkins

◼ 在Master节点上，添加Agent节点的定义

◼ 在Master节点上，获取将Agent节点连接至Master时需要执行的

命令

◼ 在Agent节点上，打开命令终端，运行Master提示的命令

◼ 在Master节点上验证添加的结果

/home/jenkins/agent

点击创建的

agent 1.52 运行命令

root@ubuntu20:~# mkdir /home/jenkins/agent -pv

root@ubuntu20:~# chown -R jenkins.jenkins /home/jenkins/agent/

curl -sO http://192.168.1.51:8080/jnlpJars/agent.jar

java -jar agent.jar -jnlpUrl http://192.168.1.51:8080/computer/jenkins01-192.168.1.52/jenkins-agent.jnlp -secret db32e82e85dddf69f96f0f50bd13b5380f5f6de1789f0535c01bb650843c844a -workDir "/home/jenkins/agent"

编辑流水线填写agent的标签

查看流水线会在agent1.52中部署

ssh方式连接agent

root@ubuntu20:/var/lib/jenkins/plugins# passwd jenkins

New password: 123456

Retype new password:

passwd: password updated successfully

使用ssh连接成功

报错，授权即可

bash 复制代码 
Building remotely on jenkins01-1.52 (linux-agent) in workspace /home/jenkins/agent/workspace/spring-boot-helloword2
The recommended git tool is: NONE
java.lang.ClassNotFoundException: org.jenkinsci.plugins.gitclient.Git$GitAPIMasterToSlaveFileCallable

chown -R jenkins:jenkins /var/lib/jenkins/workspace/

使用docker agent

bash 复制代码 
root@jenkins:~/learning-jenkins-cicd/07-jenkins-agents# cat docker-compose-inbound-agent.yml 
version: '3.6'

volumes:
  agent01_data: {}
  agent02_data: {}

networks:
  jenkins_net:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.9.0/24

services:
  agent01:
    image: jenkins/inbound-agent:alpine-jdk11
    hostname: agent01.magedu.com
    user: root
    environment:
      TZ: Asia/Shanghai
      JENKINS_URL: http://192.168.1.51:8080   #jenkinsmaster地址
      JENKINS_AGENT_NAME: agent01.magedu.com  #agent名字
      JENKINS_AGENT_WORKDIR: /home/jenkins/agent
      JENKINS_SECRET: 7eecbd2daa66612cac412d4fc484faf80fcee0fc0e8502b12abec11605744074    #jenkins添加节点后的密钥，保持一致
      # SECRET is automatically generated by the master when adding agent01.
    volumes:
      - agent01_data:/appdata/jenkins/
    networks:
      jenkins_net:
        ipv4_address: 172.31.9.11
        aliases:
          - slave01
          - agent01
    #extra_hosts:
    #  - "jenkins.magedu.com:172.29.7.7"
    #restart: always

  agent02:
    image: jenkins/inbound-agent:alpine-jdk11
    hostname: agent02.magedu.com
    user: root
    environment:
      TZ: Asia/Shanghai
      JENKINS_URL: http://192.168.1.51:8080
      JENKINS_AGENT_NAME: agent02.magedu.com
      JENKINS_AGENT_WORKDIR: /home/jenkins/agent
      JENKINS_SECRET: be0e53b93558553ee9694fced68d6443138ee13c5eeaf5d07bfad026d2fd36a6
      # SECRET is automatically generated by the master when adding agent02.
    volumes:
      - agent02_data:/appdata/jenkins/
    networks:
      jenkins_net:
        ipv4_address: 172.31.9.12
        aliases:
          - slave02
          - agent02
    #extra_hosts:
    #  - "jenkins.magedu.com:172.29.7.7"
    #restart: always

yaml文件 JENKINS_SECRET和jenkins中添加的密钥要一致

运行

docker-compose -f docker-compose-inbound-agent.yml up

运行成功后

添加流水线可以使用

通过docker ssh 连接

ssh-keygen -t rsa -b 2048 -P ''

Generating public/private rsa key pair.

Enter file in which to save the key (/root/.ssh/id_rsa): .jenkins-ssh-agent-rsa

Your identification has been saved in .jenkins-ssh-agent-rsa

Your public key has been saved in .jenkins-ssh-agent-rsa.pub

查看并替换yanl

bash 复制代码 
root@jenkins:~# cat .jenkins-ssh-agent-rsa.pub 
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDPIv6Hjrl0r4QroJe++/xx3wMJesjoKW7Or16ilVTEXLP5PahwJyNlRZIJN5JdmFwu6QV/izQw0JvyceOo5Gebo1LZW6qZmhMJAJB537U38l1Wex7iIpnTlugrLkq2CtaOPKNEYEXBXH0SOaZuTosMoSLI83CBHlWWzAKcd/WRWQOMB48eABGvxC8LZDzrsA/uA3kIRaJS56PeWkBWK/OU/inCfzmSUVbN5uY3eRV/WHZ32R2dk9ELbmBjcxt+w2h+a0aWCuWj4wSQd8Oy0LfFTuuP+PwCpWasJqhIf3r+nms72oXk1qS9P7peFGybSDGePbW8BD209gJ3UzERif/j root@jenkins
bash 复制代码 
 cat docker-compose-ssh-agent.yml 
version: '3.6'

volumes:
  ssh_agent01_data: {}
  ssh_agent02_data: {}

networks:
  jenkins_net:
    driver: bridge
    ipam:
      config:
        - subnet: 172.31.9.0/24

services:
  ssh-agent01:
    image: jenkins/ssh-agent:jdk11
    hostname: ssh-agent01.magedu.com
    #user: jenkins
    environment:
      TZ: Asia/Shanghai
      JENKINS_AGENT_HOME: /home/jenkins
      JENKINS_AGENT_SSH_PUBKEY: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDPIv6Hjrl0r4QroJe++/xx3wMJesjoKW7Or16ilVTEXLP5PahwJyNlRZIJN5JdmFwu6QV/izQw0JvyceOo5Gebo1LZW6qZmhMJAJB537U38l1Wex7iIpnTlugrLkq2CtaOPKNEYEXBXH0SOaZuTosMoSLI83CBHlWWzAKcd/WRWQOMB48eABGvxC8LZDzrsA/uA3kIRaJS56PeWkBWK/OU/inCfzmSUVbN5uY3eRV/WHZ32R2dk9ELbmBjcxt+w2h+a0aWCuWj4wSQd8Oy0LfFTuuP+PwCpWasJqhIf3r+nms72oXk1qS9P7peFGybSDGePbW8BD209gJ3UzERif/j  root@jenkins
      # SSH PRIVATE KEY and PUBLIC KEY is generated by you.
    networks:
      jenkins_net:
        ipv4_address: 172.31.9.21
        aliases:
          - ssh-slave01
          - ssh-agent01
    ports:
      - "22022:22"
    #restart: always

  ssh-agent02:
    image: jenkins/ssh-agent:jdk11
    hostname: ssh-agent02.magedu.com
    #user: jenkins
    environment:
      TZ: Asia/Shanghai
      #JENKINS_AGENT_HOME: /home/jenkins
      JENKINS_AGENT_SSH_PUBKEY: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDPIv6Hjrl0r4QroJe++/xx3wMJesjoKW7Or16ilVTEXLP5PahwJyNlRZIJN5JdmFwu6QV/izQw0JvyceOo5Gebo1LZW6qZmhMJAJB537U38l1Wex7iIpnTlugrLkq2CtaOPKNEYEXBXH0SOaZuTosMoSLI83CBHlWWzAKcd/WRWQOMB48eABGvxC8LZDzrsA/uA3kIRaJS56PeWkBWK/OU/inCfzmSUVbN5uY3eRV/WHZ32R2dk9ELbmBjcxt+w2h+a0aWCuWj4wSQd8Oy0LfFTuuP+PwCpWasJqhIf3r+nms72oXk1qS9P7peFGybSDGePbW8BD209gJ3UzERif/j  root@jenkins
      # SSH PRIVATE KEY and PUBLIC KEY is generated by you.
    networks:
      jenkins_net:
        ipv4_address: 172.31.9.22
        aliases:
          - ssh-slave02
          - ssh-agent02
    ports:
      - "22122:22"
    #restart: always

运行容器

root@jenkins:~/learning-jenkins-cicd/07-jenkins-agents# docker-compose -f docker-compose-ssh-agent.yml up

在jenkins创建，私钥保存为认证凭证

bash 复制代码 
cat  .jenkins-ssh-agent-rsa
-----BEGIN OPENSSH PRIVATE KEY-----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-----END OPENSSH PRIVATE KEY-----

jenkins添加从节点

192.168.1.51 是jenkins容器运行所在的宿主机

Host Key Verification Strategy 选non

/opt/java/openjdk/bin/java 是容器里面的java路径
查看正常

基于Docker容器的动态Agent

#192.168.1.52

docker service 添加

vim /usr/lib/systemd/system/docker.service

-H tcp://0.0.0.0:2376

root@ubuntu20:~/.ssh# systemctl daemon-reload

root@ubuntu20:~/.ssh# systemctl restart docker.service

jenkins 服务器测试

bash 复制代码 
root@jenkins:~# curl http://192.168.1.52:2376/version
{"Platform":{"Name":"Docker Engine - Community"},"Components":[{"Name":"Engine","Version":"24.0.7","Details":{"ApiVersion":"1.43","Arch":"amd64","BuildTime":"2023-10-26T09:08:01.000000000+00:00","Experimental":"false","GitCommit":"311b9ff","GoVersion":"go1.20.10","KernelVersion":"5.4.0-81-generic","MinAPIVersion":"1.12","Os":"linux"}},{"Name":"containerd","Version":"1.6.24","Details":{"GitCommit":"61f9fd88f79f081d64d6fa3bb1a0dc71ec870523"}},{"Name":"runc","Version":"1.1.9","Details":{"GitCommit":"v1.1.9-0-gccaecfc"}},{"Name":"docker-init","Version":"0.19.0","Details":{"GitCommit":"de40ad0"}}],"Version":"24.0.7","ApiVersion":"1.43","MinAPIVersion":"1.12","GitCommit":"311b9ff","GoVersion":"go1.20.10","Os":"linux","Arch":"amd64","KernelVersion":"5.4.0-81-generic","BuildTime":"2023-10-26T09:08:01.000000000+00:00"}

安装插件docker-plugin

tcp://192.168.1.52:2376 #docker所在的地址

docker-agent2 docker-dyn-agent-2 #标签 ，流水线要配置标签才能使用

jenkins/inbound-agent:jdk11 #镜像

构建提示失败重启jenkins后成功：

在Docker Cloud上添加ssh Agent模板

系统管理-clounds


编辑修改流水线

查看使用了

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