Playbook

Playbook are another way to define execution of commands on hosts and the principal way of executing Ansible on your infrastructure.
They defines the configuration to be executed and manage on your machines.

Principal diff with simple command execution are :

• Templating
• Idempotency
• Reusability

These 3 features are really interesting for managing cofigruation of your infrastructure, coupled with the ansible behavior of push instead of pull.

Introduction

Follow the official introduction to Playbook here

Exercice

Create a VM and install nginx on it with a custom user .
You should restart multiple times the provisionning with vagrant up --provision and only install the first time.