What this book covers

Chapter 1, Blueprinting Your Infrastructure, will introduced you to Playbooks, YAML, and so on. You will also learn about the components of a playbook.

Chapter 2, Going Modular with Ansible Roles, will demonstrate creating modular reusable automation code using Ansible roles, which are units of automation.

Chapter 3, Separating Code and Data – Variables, Facts, and Templates, covers the creation of flexible, customizable, data-driven roles with templates and variables. You will also learn about auto-discovered variables, that is, facts.

Chapter 4, Bringing In Your Code – Custom Commands and Scripts, covers bringing in your existing scripts and invoking Shell commands with Ansible.

Chapter 5, Controlling Execution Flow – Conditionals, discusses the control structures offered by Ansible to change the direction of execution.

Chapter 6, Iterative Control Structures – Loops, demonstrates how to iterate over arrays, hashes, and so on, using omnipotent with statements.

Chapter 7, Node Discovery and Clustering, discusses the discovery of topology information and creates dynamic configurations using magic variables and facts caching.

Chapter 8, Encrypting Data with Vault, discusses secure variables stored in, and shared with, version control systems using Ansible-vault.

Chapter 9, Managing Environments, covers the creation and management of isolated environments with Ansible and mapping automation code to the software development workflow.

Chapter 10, Orchestrating Infrastructure with Ansible, covers the orchestration features of Ansible, such as rolling updates, pre-tasks and post-tasks, tags, building tests into the playbook, and so on.