In the previous chapter, we’ve seen how to write a Terraform configuration using variables and handling secrets. Let’s continue the topic by diving into Expressions, Collections Structural Types, and the anatomy of a resource with the way to address resources and modules in the configuration. Expressions, Collections, and Structural Types Expressions refer to or compute values […]
In the previous chapter, we finally introduced the Terraform basic workflow composed of write, plan, and infrastructure creation/modification. In Terraform, the real usage of Infrastructure as Code is to implement configuration code as a template and apply the desired state in a particular context simply giving a set of environment variables. If you want to […]
In the previous chapter of this study notes, we’ve introduced the main concepts that are at the basics of Terraform and that determine the real difference between automation made by “simple scripts” and the “real automation” made by declarative models, desired state, etc… Let’s continue with Terraform Certification Associate study notes. This chapter will cover […]
With this post, we are starting the preparation for Terraform Certification introducing the concepts of Infrastructure as code, its rules, and how Terraform is declining it into configuruation writing and applying. Following an overview of Terraform architecture, this post will delve into the principles of adopting an immutable approach to infrastructure. So, let’s start with […]
Finally, my first HashiCorp certification has come! After a long period without sitting for an exam, on the 17th of December 2023 I achieved the HashiCorp Terraform Associate certificate, and like I’ve done for the past exams, it’s time to share my study notes. This series of posts is my personal study guide I used […]
In this post, I’ll guide you through the seamless deployment of laboratory (lab) environments on VMware Fusion or Workstation using Vagrant. The primary objective is to create a versatile, multi-purpose lab environment ideal for testing cloud-native solutions, prototyping integrations, exploring automation, and refining workflows. The importance of a Lab A lab, whether it’s a full-scale […]
Finally, I got a couple of hours to upgrade my lab from vSphere 6.7 to vSphere 7. Following one of the announcements during VMworld 2019, this new release comes with some great functionalities like the native support of Kubernetes, the dynamic hardware assignment, and some enhancements on DRS, vMotion, etc… For my lab purpose, I’m […]
Today the life of sysadmin and developers is really easy! By the use of tools like Vagrant, Terraform, Powershell, PowerCLI, Puppet (…) is possible to automate a lot of infrastructure processes like virtual machine deployment, SDN reconfiguration and a lot of integration with storage elements. During last month I did some practice with the use of Vagrant to […]
I already introduced how to “dress” a PowerCLI script, wrapping its execution in a web service built with very low effort with Skaffolder. In the previous post, we left the “code” with a simple console.log as proof of the script execution. Now it’s time to go further and handle the results coming from PowerCLI script. […]
In the last article, I introduced how Skaffolder, giving an architecture overview with models and methods, is generating the foundation code for User authentication and authorization and all CRUD actions for the objects which are composing the application. Effectively the coding effort is reduced only on custom methods which are making the real purpose of the […]
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