Nicolas De Loof will host an office hour next Wednesday 11 AM PDT on integrating Kubernetes with Jenkins. Kubernetes is an open-source project by Google that provides a platform for managing Docker containers as a cluster. During this session, Nicolas will introduce Kubernetes, explain how it can benefit Jenkins and demonstrate the Kubernetes Plugin. Then he will discuss the design of the Kubernetes plugin and plans...

This is a guest post by Manuel Recena Soto (aka recena). Users of the plug-in know that it has undergone very important changes in the last two years. Unfortunately, some of these changes resulted in regressions for some users that weren’t properly addressed in subsequent releases. Many users were therefore forced to keep using an older release of the plugin to keep their instances running. To fix...

Kubernetes is an open-source project by Google that provides a platform for managing Docker containers as a cluster. In their own words: Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions. Using the concepts of "labels" and "pods", it groups the...

Let’s say you’re browsing the 'Available' tab in the Jenkins plugin manager for interesting-looking plugins. How do you learn more about them, preferably without installing them on your production instance? You click the plugin’s name, which usually links to the plugin’s wiki page, of course! Unfortunately, it’s possible for plugins to be published without a wiki page, or any other documentation aside from what’s provided...

This is a guest post from Owen Mehegan (aka autojack) In 2014 Google announced that they will be shutting down their OpenID 2.0 authentication endpoint and replacing it with Google+ Sign-in, a library built on top of OpenID Connect. The old Google endpoint will shut down on April 20th, 2015! Accordingly, if you are using the Jenkins OpenID plugin to authenticate users with the ‘Google...

In tomorrow’s Jenkins office hours, Jesse Glick will talk about two topics in the workflow plugin that he has been asked about: Security model: script security, permissions Plugin compatibility: SimpleBuildStep and friends, custom steps, etc. The session should be interesting to anyone using workflow or thinking about using workflow. Jesse is one of the top contributors in the community, so it’d be definitely worth your time!...

Jenkins started with a notion of jobs and builds at heart. One script is one job, and as you repeatedly execute jobs, it creates builds as records. As the use case of Jenkins gets more sophisticated, people started combining jobs to orchestrate ever more complex activities. A number of plugins have been developed to enable all sorts of different ways to compose jobs, and many...

(This is a guest post from Daniel Spilker) Jenkins supports building plugins using Gradle for a while now. Last week a new version of the Gradle JPI plugin has been released to iron out some issues. The Gradle JPI plugin enables a 100% groovy plugin development environment with Groovy as primary programming language, Spock for writing tests and Gradle as build system. Have a look at...

Jesse and I will walk through the source code of the workflow plugin, highlights key abstractions and extension points, and discuss how they are put together. If you are interested in developing or retrofitting plugins to work with workflows, I think you’ll find this session interesting. The event will be on Google Hangout tomorrow. The time of the day is the same as usual office hours....

The other day I was explaining how to implement a new workflow primitive to Vivek Pandey, and I captured it as a recording. The recording goes over how to implement the Step extension point, which is the workflow equivalent of BuildStep extension point. If you are interested in jumping on the workflow plugin hacking, this might be useful (and don’t forget to get in touch...