jenkins-docker-agent

The jenkins-agent enabled docker images defined here can be found on dockerhub.

Docker CICD builder agent for Jenkins.

Inspired by:

• https://wiki.tds.tieto.com/display/TDSKB/Executing+Jenkins+jobs+when+only+one+way+network+connection+exists
• https://support.cloudbees.com/hc/en-us/articles/115001771692-How-to-Create-Permanent-Agents-with-Docker#jnlpconnection
• https://github.com/cyrille-leclerc/java-build-tools-dockerfile
• https://github.com/dettonville/java-build-tools-dockerfile
• https://github.com/cloudbees/jnlp-slave-with-java-build-tools-dockerfile
• https://github.com/cloudbees/java-build-tools-dockerfile/blob/master/Dockerfile
• https://github.com/SeleniumHQ/docker-selenium/blob/master/Base/Dockerfile
• https://medium.com/@prashant.vats/jenkins-master-and-slave-with-docker-b993dd031cbd
• https://devopscube.com/docker-containers-as-build-slaves-jenkins/
• https://github.com/bibinwilson/jenkins-docker-slave

Description

It can be used as a Jenkins inbound agent, for use with Jenkins Cloud plugins.

Status

How to use this Docker image

This Docker image is intended to be used in conjunction with a Docker container orchestration service such as

• Kubernetes (see Jenkins Kubernetes Plugin)
• Mesos (see Jenkins Mesos Plugin)
• Amazon EC2 Container Service

It can also be used as a "static" Jenkins agent connected to a Jenkins master by manually launching the Docker container.

Java

Sample with the Jenkins Pipeline Maven Plugin.

node ("cicd-docker-agent") { 

    git "https://github.com/cloudbees-community/game-of-life"
    withMaven(mavenSettingsConfig:'my-maven-settings') {
       sh "mvn clean deploy"
    }
}

Selenium

The docker image enables Selenium tests bundling Firefox and starting selenium-server-standalone (listening on the default port 4444).

Selenium Sample with Java

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;

WebDriver webDriver = new RemoteWebDriver(DesiredCapabilities.firefox());
webDriver.get("http://www.python.org");
webDriver.getTitle();

Selenium Sample with Python

from selenium import webdriver
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities

driver = webdriver.Remote(
   command_executor='http://127.0.0.1:4444/wd/hub',
   desired_capabilities=DesiredCapabilities.FIREFOX)

driver.get('http://python.org')

Running

To run a Docker container

docker run cicd-docker-agent -url http://jenkins-server:port <secret> <agent name>

optional environment variables:

• JENKINS_URL: url for the Jenkins server, can be used as a replacement to -url option, or to set alternate jenkins URL
• JENKINS_TUNNEL: (HOST:PORT) connect to this agent host and port instead of Jenkins server, assuming this one do route TCP traffic to Jenkins master. Useful when when Jenkins runs behind a load balancer, reverse proxy, etc.

Contact