0 comments on “Mesos and Marathon REST API via cURL — A Hello World Example”

Mesos and Marathon REST API via cURL — A Hello World Example

In this hello-world style blog post, we will learn how to create load balanced Docker services in an open source DC/OS & Mesos environment. For that, we will perform Mesos and Marathon REST API calls using simple cURL commands. First, we will…

1 comment on “Jenkins Part 7: Pipeline as Code”

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…

2 comments on “Getting Started with DC/OS on Vagrant”

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…

1 comment on “Jenkins Part 6: Automated Cross Browser Testing via BrowserStack”

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…

1 comment on “Testing any Browser on any Hardware using BrowserStack – A Protractor Cross Browser Testing Example”

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…

0 comments on “Jenkins Part 5.1: Using the Job DSL for automatic Creation of Jenkins Jobs”

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…

0 comments on “Jenkins Part 4.3: Performance Tests via JMeter”

Jenkins Part 4.3: Performance Tests via JMeter

Today, we will learn how to automatically create performance trend analysis reports like the following using Jenkins and JMeter: First, we will use Apache JMeter's graphical user interface on the developer's PC to create a test plan, before we integrate JMeter…

1 comment on “Jenkins Part 4.2: Code Quality Tests via Checkstyle”

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…

2 comments on “Jenkins Part 4.1: Functional Java Tests via JUnit”

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…

7 comments on “Jenkins Part 3.1: periodic vs triggered Builds”

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…

5 comments on “Jenkins Part 2: automated Code Download and Build (Gradle + Maven)”

Jenkins Part 2: automated Code Download and Build (Gradle + Maven)

NEW (2017-01-02): you now can immediately start with part 2 (this post) without going through the steps of part 1. A corresponding pre-installed Docker image is provided. NEW (2017-01-05): I have added the Maven build path with a fat executable…

10 comments on “Jenkins Part 1: Installation the Docker Way”

Jenkins Part 1: Installation the Docker Way

In this blog post, we will deploy and get started with Jenkins, the most popular open source tool for Continuous Integration and Continuous Deployment. As a modern way of installing, we install a Docker host and deploy a Jenkins Docker…

4 comments on “AWS Automation Part 4: Using Terraform for AWS Automation”

AWS Automation Part 4: Using Terraform for AWS Automation

This is part 4 of a blog post series, in which we explore how to automate Amazon Web Services (AWS) using the Terraform open source software by HashiCorp. Similar to Cloudify, Terraform is a versatile way to codify any type of infrastructure and…

1 comment on “Getting started with OpenShift Container Platform”

Getting started with OpenShift Container Platform

In this blog post we will review the architecture of OpenShift before we will gain some hands-on experience with OpenShift Origin, which is the free version of the OpenShift Container Platform a.k.a. OpenShift Enterprise. Vagrant software will help us to automate the installation…

4 comments on “IT Automation Part IV: Ansible Tower “Hello World” Example”

IT Automation Part IV: Ansible Tower “Hello World” Example

This is part IV of a little "Hello World" example for Ansible, an IT automation (DevOps) tool. This time, we will get acquainted with Ansible Tower, a web front end for Ansible. The post has following content: Quickest way of "installing" an Ansible Tower…

4 comments on “AWS Automation based on Vagrant — Part 3: Creating a Docker Host on AWS in 10 Minutes using Vagrant”

AWS Automation based on Vagrant — Part 3: Creating a Docker Host on AWS in 10 Minutes using Vagrant

Learn how Vagrant can be used to perform more sophisticated provisioning tasks than creation and termination of virtual machines. From our local Vagrant console, we will install Docker host Software and we will verify the results by downloading and testing the Python Docker image.

8 comments on “AWS Automation based on Vagrant — Part 1: Getting started with AWS”

AWS Automation based on Vagrant — Part 1: Getting started with AWS

In this blog post series we will explore, how to automate Amazon Web Services (AWS) by using Vagrant. The series is divided into three parts. Readers that are interested in the automation part only can skip part 1 (the AWS…

9 comments on “AWS Automation based on Vagrant — Part 2: Installation and Usage of the Vagrant AWS Plugin”

AWS Automation based on Vagrant — Part 2: Installation and Usage of the Vagrant AWS Plugin

Learn how to get started with Amazon Web Services EC2 and how to automate simple task like creation and termination of virtual machine instances using Vagrant. This is a first step towards more sophisticated automation tasks like SW installation and shell script execution.

0 comments on “Automating Network Provisioning with Cisco APIC — Exploring the REST API”

Automating Network Provisioning with Cisco APIC — Exploring the REST API

How to automate the configuration of network devices? Cisco APIC-EM (= Application Policy Infrastructure Controller) is a controller that can help us with that task. In this blog post, we will explore its modern REST API for accomplishing basic tasks like creating, reading, updating and deleting (CRUD)…