DevOps with Jenkins

Mitesh Soni

DevOps enthusiast and learner with 9+ years of experience in software industry.

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Mitesh Soni

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DevOps is a buzz word in 2017 and for coming years as per Market trends by various research firms.

Continuous Integration is a significant part of DevOps culture and hence the trend to use Jenkins will go upwards in coming years. If Continuous Integration is the base then Continuous Delivery is like topping.


Jenkins supports and focus more on End to End Automation of Application Lifecycle Management System.

Jenkins is an open source Automation server. Continuous Integration is a significant part of DevOps Culture and hence many Open source and Commercial tools for Continuous Delivery utilizes Jenkins for a complete product.

There are other tools or services too available in the market, that are getting popular such as Atlassian Bamboo, Visual Studio Team Services, and so on.

Jenkins was used specifically for Continuous Integration over the years. Continuous Integration systems are a vital part of Agile team because they help enforce the principles of Agile development.

However, the release of Jenkins 2.0 and later versions are focused on Continuous Delivery. Jenkins is an open source automation server (after Jenkins 2.0 was released) written in Java.

Continuous Integration

Continuous Integration (CI) is one of the most popular application development practices in recent times. Developers integrate bug fix, new feature development, or innovative functionality in code repository.

The CI tool verifies the integration process with an automated build and test to detect issues with current sources of an application and provide quick feedback.

Jenkins Plugins

Jenkins is a simple, extensible, and user friendly open source tool that provides continuous integration services for application development.

Concept of plugins makes Jenkins more attractive, easy to learn, and easy to use. There are various categories of plugins available such as.


Source code managementSlave launchers and controllersBuild triggersBuild tools
Build notifiesBuild reportsOther post-build actionsExternal site/tool integrations
UI pluginsAuthentication and user managementAndroid developmentiOS development
.NET developmentRuby developmentLibrary plugins


Jenkins defines interfaces or abstract classes that model a facet of a build system. Interfaces or abstract classes define agreement on what needs to be implemented; and Jenkins uses plugins to extend those implementations.

Why JenKins is so Popular

Jenkins is one of the most popular automation servers in the market and the reasons for its popularity are some of the following features:


Easy installation on different operating systems – Arch Linux, FreeBSD, Gentoo, Mac OS X, openBSD, openSUSE, RedHAT/Fedora/CentOS, Ubuntu/Debian, Windows, and it is also available for Docker and as a generic Java packages too.Jenkins 2 supports pipelines as a code that uses domain-specific language (DSL) to model application delivery pipelines as code; we can utilize the pipeline as a code and keep them in repository and maintain versions similar to source code.Easy to configure the set-up environment in the user interface. It is also possible to customize user interface based on likings.
Easy upgrades – Jenkins has very speedy release cycles (long term support and weekly releases).Shell and Windows command execution that makes any command line tool integration in the pipeline very easy. Master slave architecture supports distributed builds to reduce load on CI servers.
Simple and easy to use user interface in Jenkins 2.xEasily extensible with the use of third-party plugins – over 400 plugins.Build scheduling based on cron expressions.



Application development lifecycle is a lengthy and a manual process traditionally. In addition, it requires effective collaboration between development and operations teams. The CI/CD pipeline is a demonstration of automation involved in the application development lifecycle that contains automated build execution, automated test execution, notifications to stakeholders, and deployment in different runtime environments.

Jenkins 2.0 and later versions provides many features to implement Continuous Integration and Continuous Delivery effectively for better management of application lifecycle and being an Open source it is a deadly combination.

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