Installing and testing DC/OS on AWS


In the step-by-step tutorial Getting Started with DC/OS on Vagrant, we have learned how to install a MesosPhere DC/OS data center operating system locally. This time, we will install a DC/OS system on AWS Cloud: existing AWS CloudFormation templates will help us create a fully functional DC/OS data center with a Mesos master and five Mesos slaves within … More Installing and testing DC/OS on AWS

Vagrant on CentOS 7 – Setting up Test Environments the easy Way


After stumbling upon several guides still describing a Vagrant installation via a RubyGem – which is no longer supported – the following article was created and will provide a quick setup guide on how to setup Vagrant on CentOS 7. All commands used in this guide are executed having root permissions. Setting up VirtualBox as … More Vagrant on CentOS 7 – Setting up Test Environments the easy Way

Jenkins Part 7: Pipeline as Code


In this blog post, we will introduce the Jenkins Pipelines, an increasingly popular plugin that helps defining versatile Jenkins workflows as Groovy code. Traditionally, Jenkins is administered by a graphical Web interface. Now, the Pipeline plugin allows teams and DevOps to manage workflow definitions within source control, giving them the ability to clone, change, review … More Jenkins Part 7: Pipeline as Code

Getting Started with DC/OS on Vagrant


In the course of this Hello World style tutorial, we will explore DC/OS, a Data Center Operating System developed and open sourced by Mesosphere with the target to hide the complexity of data centers. We will install DC/OS on your local PC or Notebook using Vagrant and VirtualBox, deploy a “hello world” application with more than one instance, load balance between … More Getting Started with DC/OS on Vagrant

Jenkins Part 6: Automated Cross Browser Testing via BrowserStack


With the BrowserStack cloud-based solution, there is no need to buy many different hardware types for testing your web site for many different mobile devices and operating systems. In this blog post, we will learn how to integrate BrowserStack-based automated cross browser tests into a continuous integration workflow controlled by the pupular Jenkins tool. First we will demonstrate how to … More Jenkins Part 6: Automated Cross Browser Testing via BrowserStack

Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example


This time we will learn how to test any web site (including your front end software) using many different Internet browsers by integrating a cloud-based cross browser test solution named BrowserStack. We will perform Protractor tests for AngularJS using the Gulp testing toolkit following an example of Wishtack on both, CenOS 7.3 and Ubuntu 16.04 perform Protractor … More Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example

Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs


Today, we will learn how to use the Jenkins Job DSL Plugin to create new Jenkins jobs at a push of a button. We will show how we can use Groovy scripts for defining a “Hello World” Jenkins freestyle project and create such a project by pushing the “Build now” button. Why creating Jenkins Jobs via … More Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs

Jenkins Part 4.2: Code Quality Tests via Checkstyle


Today, we will show how to use Checkstyle for improving the style of Java code. First, we will add Checkstyle to Gradle in order to create XML reports for a single build. Jenkins allows us to visualize the results of more than one test/build run into historic reports. After that, we will show, how a developer can … More Jenkins Part 4.2: Code Quality Tests via Checkstyle

Jenkins Part 4.1: Functional Java Tests via JUnit


You also think that functional tests are one of the most important ingredients for delivering high quality software? You share my opinion that we should help the developer automating this task in order to get comparable results and to receive meaningful trend reports? I will cover functional tests here. Instructions on how to perform code quality tests and performance … More Jenkins Part 4.1: Functional Java Tests via JUnit

Jenkins Part 3.1: periodic vs triggered Builds


Today, we will make sure that Jenkins will detect a code change in the software repository without manual intervention. We will show two methods to do so: Periodic Builds via Schedulers: Jenkins periodically asks the software repository for any code changes Triggered Builds via Webhooks: Jenkins is triggered by the software repository to perform the build … More Jenkins Part 3.1: periodic vs triggered Builds