GDT

Module Title: dgt_devops06 – Ansible Introduction

module Description:

Welcome to “dgt_devops06 – Ansible Introduction,” a comprehensive module designed to introduce you to the world of configuration management using Ansible. This module will equip you with the foundational knowledge and practical skills needed to manage and automate IT infrastructure efficiently.

Key Learning Objectives:

1. Understanding Configuration Management:
2. Explore the fundamental concepts of configuration management, including its importance in maintaining consistency, reliability, and efficiency in IT environments.

3. Learn how Ansible fits into the broader landscape of configuration management tools.

4. Principles of Idempotency:

5. Discover the principle of idempotency and why it is crucial for automation and configuration management tasks.

6. Understand how Ansible ensures that repeated executions of a task produce the same result, preventing unintended changes.

7. Introduction to Ansible:

8. Get acquainted with Ansibles architecture, including its agentless design and use of YAML-based playbooks.

9. Learn about Ansible modules, inventories, roles, and how they contribute to effective automation strategies.

10. Hands-On Playbook Creation:

11. Develop your first Ansible playbook through guided exercises that demonstrate real-world applications.

12. Practice writing idempotent tasks and understand best practices for playbook design.

13. Advanced Concepts:

14. Delve into more advanced topics such as dynamic inventories, custom modules, and integrating Ansible with CI/CD pipelines.
15. Explore how to use Ansible for configuration management across different environments and platforms.

module Content:

• Module 1: Introduction to Configuration Management
• Overview of the evolution and benefits of configuration management.

• Case studies highlighting successful implementations.

• Module 2: Idempotency in Automation

• Theoretical foundations and practical implications of idempotent operations.

• Examples illustrating non-idempotent tasks and their impact.

• Module 3: Getting Started with Ansible

• Installation and setup of the Ansible environment.

• Overview of key components: playbooks, modules, roles, and inventories.

• Module 4: Writing Your First Playbook

• Step-by-step guide to creating a basic playbook.

• Example code snippet:

  “`yaml

  • name: Ensure Apache is installed and running
    hosts: webservers
    become: yes

  tasks:
  – name: Install Apache
  ansible.builtin.yum:
  name: httpd
  state: present

  - name: Start Apache service
    ansible.builtin.service:
      name: httpd
      state: started
      enabled: yes
  

  “`

• Module 5: Best Practices and Advanced Techniques

• Strategies for optimizing playbook performance.
• Tips for maintaining scalability and security in automation scripts.

Target Audience:

This module is ideal for IT professionals, system administrators, DevOps engineers, and anyone interested in automating infrastructure management using Ansible. Prior knowledge of Linux environments will be beneficial but not required.

Join us on this journey to mastering configuration management with Ansible, where youll gain the skills needed to streamline your IT operations and enhance your organizations agility and resilience.
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