Introduction
Jenkins is an open source continuous integration tool written in Java. The project was formerly known as Hudson. Jenkins is a java based tool so it runs into server/web container like Apache Tomcat. It supports Software Configuration Management(SCM) tools including AccuRev, CVS, Subversion, Git, Mercurial, Perforce, Clearcase and RTC.
- Jenkins works with other tools (Maven, Sonar, JaCoCo, SVN, Selenium) to continuously integrate and deliver code.
- Code builds are performed on a triggering events.
- Jenkins uses pipeline to break down into smaller manageable piece which are configurable by the build manager.
Important Terminologies
| SL NO | Terminology | Description |
|---|---|---|
| 1 | Pipeline | Pipeline refers to each promotional stage (e.g. development/stage/production environment) of an application |
| 2 | Continuos Integration | It refers to the modified code getting added into the pipeline continuously. |
| 3 | Continuous Delivery | It refers to the logical step to ship the production ready code |
| 4 | Continous Deployment | Production ready code gets deployed at this stage automatically. |
Jenkins setup
- Install Jenkins from sources available in the internet. You can download the war file and place it in webapps in tomcat and hit http://localhost:8080/jenkins/
- Follow the below steps as shown in the image to setup a maven project from SVN.
- The Jenkins dashboard looks like below
