GDT

Module Title: dgt_devops06 – Ansible: Playbooks, Roles, and Modules

---

Overview:
Welcome to “dgt_devops06 – Ansible: Playbooks, Roles, and Modules,” a comprehensive module designed to equip participants with the skills needed to master configuration management using Ansible. This module delves into the core concepts of configuration management and idempotency, providing you with practical knowledge and hands-on experience in automating infrastructure tasks.

What Youll Learn:

1. Introduction to Configuration Management:
2. Understand the importance of configuration management in maintaining system consistency.

3. Explore key principles such as version control, automation, and repeatability.

4. Idempotency in Ansible:

5. Grasp the concept of idempotency and why it is crucial for reliable automation.

6. Learn how Ansible ensures that repeated executions yield the same system state without unintended changes.

7. Deep Dive into Playbooks:

8. Discover how to create, organize, and execute playbooks effectively.

9. Explore task execution order, conditional statements, and error handling within playbooks.

10. Mastering Roles:

11. Learn about roles as a means of organizing tasks, handlers, files, templates, and variables.

12. Understand role dependencies and learn how to share and reuse roles across different projects.

13. Exploring Ansible Modules:

14. Get familiar with built-in modules and when to use them for various automation tasks.

15. Discover how to write custom modules if your specific needs arent met by existing ones.

16. Practical Application:

17. Apply the concepts learned through hands-on labs and real-world examples.
18. Develop robust Ansible playbooks that leverage roles and modules to manage infrastructure efficiently.

Example Snippet of an Ansible Playbook:

“`yaml

• name: Configure Web Server
  hosts: webservers
  become: yes

tasks:
– name: Install nginx
apt:
name: nginx
state: present
notify:
– restart nginx

- name: Copy index.html to web server root
  copy:
    src: /path/to/local/index.html
    dest: /var/www/html/index.html
    owner: www-data
    group: www-data
    mode: 0644

handlers:
– name: restart nginx
service:
name: nginx
state: restarted
“`

Who Should Attend?
This module is ideal for system administrators, DevOps engineers, and IT professionals looking to enhance their skills in infrastructure automation using Ansible. Its also beneficial for those who want a structured introduction to configuration management concepts.

module Outcomes:
By the end of this module, you will be able to design and implement effective configuration management solutions using Ansible. Youll have practical experience crafting playbooks that are both idempotent and reusable, enabling consistent and efficient automation across your infrastructure.

Enroll today to begin mastering Ansible for superior configuration management and automation!
The students can push their exercises to the Academy DevOps & SRE GIT project. For this module, create a folder with your username as its name in the following subfolder: https://github.com/Garanti-Del-Talento/gdt_academy