The LAMP playbook

As mentioned at the start of this chapter when we discussed the playbook structure, the main playbook file is called site.yml, which contains the following:

---
- name: "Install LAMP stack"
  hosts: ansible_hosts
  gather_facts: true
  become: true
  become_method: ansible.builtin.sudo
  vars_files:
    - group_vars/common.yml
  roles:
    - common
    - apache
    - mariadb
    - php

As you can see, it calls the four roles we have already walked through and also loads a variables file from group_vars/common.yml; this file contains an override for html_body, which is configured in roles/apache/defaults/main.yml and looks like the following:

html_body: |
  This HTML page has been deployed using Ansible to <b>{{ ansible_nodename }}</b>.<br>
  The user is...