Tag Archives: javazone

JavaZone: Using Kubernetes for Continuous Integration and Continuous Delivery

Posted on by Carlos Sanchez
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javazone@2x-luftThe video of my talk at JavaZone 2018

Building and testing is a great use case for containers, both due to the dynamic and isolation aspects. We will share our experience running Jenkins at scale using Kubernetes

Jenkins is an example of an application that can take advantage of Kubernetes technology to run Continuous Integration and Continuous Delivery workloads. Jenkins and Kubernetes can be integrated to transparently use on demand containers to run build agents and jobs, and isolate job execution. It also supports CI/CD-as-code using Jenkins Pipelines and automated deployments to Kubernetes clusters. The presentation and demos will allow a better understanding of how to use Jenkins on Kubernetes for container based, totally dynamic, large scale CI and CD.

Puppet for Java developers talk at JavaZone Oslo 2012

Posted on by Carlos Sanchez
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I am in Oslo right now speaking at JavaZone about Puppet for Java developers covering some of the basics but then getting into using Vagrant, Puppet and Puppet modules, to manage maven dependencies, postgresql, tomcat, and apache as examples.

The sample code showcases how to effectively use Puppet and modules, with unit testing and testing with Vagrant.

Update: The video is now up. Run a bit short on time and didn’t have as much time as I wanted for the demo but hopefully the sample code is useful to understand the tools involved.

Puppet is an infrastructure-as-code tool that allows easy and automated provisioning of servers, defining the packages, configuration, services,… in code. Enabling DevOps culture, tools like Puppet help drive Agile development all the way to operations and systems administration, and along with continuous integration tools like Jenkins, it is a key piece to accomplish repeatability and continuous delivery, automating the operations side during development, QA or production, and enabling testing of systems configuration.
Traditionally a field for system administrators, Puppet can empower developers, allowing both to collaborate coding the infrastructure needed for their developments, whether it runs in hardware, virtual machines or cloud. Developers and sysadmins can define what JDK version must be installed, application server, version, configuration files, war and jar files,… and easily make changes that propagate across all nodes.
Using Vagrant, a command line automation layer for VirtualBox, they can also spin off virtual machines in their local box, easily from scratch with the same configuration as production servers, do development or testing and tear them down afterwards.
We’ll show how to install and manage Puppet nodes with JDK, multiple application server instances with installed web applications, database, configuration files and all the supporting services. Including getting up and running with Vagrant and VirtualBox for quickstart and Puppet experiments, as well as setting up automated testing of the Puppet code.