Terraform workspaces
-
Immutable infrastructure with HashiCorp’s Packer – Immutable Infrastructure with Packer-1
Imagine you are the author of a book and you need to make changes to an existing edition. When you want to make changes, such as improving the content or…
-
Registering variables – Infrastructure as Code (IaC) with Terraform-3
The common directory contains a single directory called tasks that includes a main.yaml file with a single task to run an apt update operation. The main directory contains ansible.cfg, hosts,…
-
Registering variables – Infrastructure as Code (IaC) with Terraform-2
Tip While choosing between the vars and defaults directories, the rule of thumb is to put variables that will not change within the vars directory. Put variables that are likely…
-
Registering variables – Infrastructure as Code (IaC) with Terraform
If a task within your playbook, for example, needs a value from the result of a preceding task, we can use the register attribute. The following directory contains all the…
-
Dictionary variables – Infrastructure as Code (IaC) with Terraform
Dictionary variables hold a complex combination of key-value pairs, the same as a Python dictionary. You can define dictionary variables using the standard YAML syntax, as in the following example:foo:bar:…
-
Introduction to Ansible playbooks – Infrastructure as Code (IaC) with Terraform
Imagine you’re a conductor leading an orchestra. In this scenario, Ansible playbooks are akin to your musical score, guiding every musician to create a harmonious symphony of automation in the…
-
Ansible tasks and modules – Infrastructure as Code (IaC) with Terraform
Ansible tasks form the basic building block of running Ansible commands. Ansible tasks are structured in the following format: $ ansible <options> <inventory> Ansible modules are reusable code for a…
-
Setting up the Ansible configuration file – Infrastructure as Code (IaC) with Terraform
The Ansible configuration file defines global properties that are specific to our setup. The following are ways in which you can specify the Ansible configuration file, and the first method…
-
Installing Ansible in the control node – Infrastructure as Code (IaC) with Terraform
Ansible requires a Linux/Unix machine (preferably), and you should have Python 2.x or 3.x installed. As the Ansible control node runs on Ubuntu, Ansible provides a personal package archive (PPA)…
-
Setting up Ansible – Infrastructure as Code (IaC) with Terraform
We need to set up and install Ansible in the control node, but before we do that, we will have to spin three servers to start the activity—an Ansible control…
