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Configuration Management with Ansible

Configuration Management

This project demonstrates infrastructure-as-code principles using Ansible to automate secure, repeatable Linux server provisioning.

An Ansible-based configuration management project that automates Linux server setup and deployment. This project demonstrates infrastructure-as-code principles by codifying server configuration into reusable, version-controlled playbooks.

What It Does

Automates complete server setup with four modular roles:

  • Base Configuration: Updates system packages and installs essential utilities
  • SSH Hardening: Configures secure SSH access with public key authentication
  • Nginx Web Server: Installs and configures nginx for web hosting
  • Application Deployment: Deploys static websites from tarball or GitHub repository

Tested on: Ubuntu 20.04 / 22.04

Design Principles

  • Idempotent Playbooks: Safe to re-run without causing unintended changes
  • Role-based Modular Architecture: Each role handles a specific concern for reusability
  • Tag-based Selective Execution: Run specific roles independently
  • Declarative Configuration: Infrastructure defined as code for version control

Tech Stack

Infrastructure:

  • Ansible for configuration automation
  • Linux (Ubuntu/Debian) server targets
  • YAML for declarative configuration
  • SSH for secure remote execution

Features:

  • Role-based architecture for modularity
  • Tag-based selective execution
  • Idempotent operations for reliability
  • Inventory management for multiple servers

Project Structure

configuration-management/
├── setup.yml          # Main playbook
├── inventory.ini      # Server inventory
├── base/             # Base system configuration role
├── ssh/              # SSH hardening role
├── nginx/            # Web server setup role
└── app/              # Application deployment role

Key Features

  • Automated Provisioning: Complete server setup with a single command
  • Idempotent Execution: Safe to run multiple times without side effects
  • Selective Deployment: Use tags to run specific roles
  • Scalable Design: Easily manage multiple servers through inventory

This project showcases DevOps fundamentals including infrastructure automation, configuration management, and deployment orchestration.