Ansible Fundamentals for DevOps
Master Ansible essentials for DevOps: automate infrastructure, manage configurations, and streamline deployments.
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Introduction to Ansible
Unit 1: Understanding Infrastructure as Code
What is Infrastructure?
The IaC Revolution
IaC Benefits in DevOps
Unit 2: Ansible Architecture and Core Components
Ansible's Core: Control Node
Managed Nodes Explained
Inventory Deep Dive
Modules: Ansible's Building Blocks
Tasks: Actions in Ansible
Unit 3: Playbooks, Roles, and Ansible Galaxy
Playbooks: Automation Recipes
Roles: Reusable Automation
Ansible Galaxy: The Hub
Unit 4: Ansible vs. Other Tools
Ansible vs. Chef
Ansible vs. Puppet
Ansible vs. SaltStack
Setting Up Your Ansible Environment
Unit 1: Installing Ansible
Ansible: The Setup
Install on Linux
Install on macOS
Install on Windows (WSL)
Unit 2: SSH Key Configuration
SSH Keys: An Intro
Generate SSH Key Pair
Distribute Public Key
Disable Password Login
Unit 3: Ansible Inventory
Inventory: The Basics
Create a Static Inventory
Dynamic Inventories
Unit 4: Connectivity and Configuration
Testing Connectivity
Ansible Config File
Configuring Privileges
Basic Ansible Playbooks
Unit 1: Playbook Fundamentals
Intro to Playbooks
YAML Essentials
Your First Playbook
Running Playbooks
Playbook Anatomy
Unit 2: Gathering Facts and Troubleshooting
Gathering Facts
Using Facts
Troubleshooting Basics
Connection Issues
Module Errors
Unit 3: Expanding Playbook Capabilities
Multiple Tasks
Idempotency
Playbook Best Practices
Dry Runs
Working with Ansible Modules
Unit 1: Package Management with Ansible
Package Manager Modules
Installing Packages
Removing Packages
Updating Packages
Managing Package Caches
Unit 2: File and Directory Management
File Management Modules
Copying Files
Managing File Properties
Templating Files
Unit 3: User, Group, and Service Management
User & Group Modules
Managing Users
Managing Groups
Service Management
Systemd Module
Variables and Facts in Ansible
Unit 1: Introduction to Variables in Ansible
What are Variables?
Declaring Variables
Using Variables
Variable Scope
Variable Precedence
Unit 2: Facts in Ansible
What are Facts?
Accessing Facts
Filtering Facts
Custom Facts
Unit 3: Advanced Variable Usage
Inventory Variables
Command-Line Variables
Variable Files
Registering Variables
Templating Tips
Conditional Logic and Loops
Unit 1: Conditional Logic with 'when'
Intro to 'when' Clause
Using Facts with 'when'
Multiple Conditions
Using 'when' with Variables
Unit 2: Looping Constructs in Ansible
Intro to Loops
Basic 'with_items'
Looping with Dictionaries
Looping with Index
Looping with Nested Lists
Unit 3: Combining Logic, Loops, and Jinja2
Conditionals in Loops
Intro to Jinja2
Jinja2 with Variables
Jinja2 Conditionals
Jinja2 Loops
Ansible Roles for Reusability
Unit 1: Understanding Ansible Roles
What are Ansible Roles?
Benefits of Using Roles
Role Directory Structure
Unit 2: Creating and Using Ansible Roles
Creating Your First Role
Including Roles in Playbooks
Role Variables
Role Files and Templates
Role Handlers
Unit 3: Advanced Role Techniques
Role Dependencies
Sharing Roles with Galaxy
Testing Your Roles
Unit 4: Best Practices and Examples
Role Best Practices
Example Role: Web Server
Example Role: Database
Advanced Playbook Techniques
Unit 1: Error Handling and Task Control
Intro to Error Handling
Using the 'rescue' Block
Using the 'always' Block
Error Handling Demo
Intro to Handlers
Unit 2: Handlers and Optimization
Creating Handlers
Handlers in Action
Connection Pipelining
Backgrounding Tasks
Facts Caching
Unit 3: Delegation and Blocks
Delegating Tasks
Delegation Demo
Intro to Blocks
Nesting Blocks
Securing Sensitive Data with Ansible Vault
Unit 1: Understanding Ansible Vault
Vault: Why Encryption?
Vault's Core Concepts
Vault vs Other Secrets
Unit 2: Encrypting Data with Ansible Vault
Installing Ansible Vault
Encrypting Variables
Encrypting Files
Creating a New Vault File
Unit 3: Managing Vault Passwords and Access
Changing Vault Passwords
Providing Vault Passwords
Vault Identity
Unit 4: Integrating Vault in Playbooks
Using Encrypted Vars
Vault for Config Files
Vault in Roles
Best Practices
Ansible and CI/CD Integration
Unit 1: CI/CD and Ansible Overview
CI/CD and Ansible
Benefits of Integration
CI/CD Pipeline Stages
Unit 2: Ansible and Jenkins Integration
Jenkins and Ansible
Jenkins Job Creation
Passing Vars to Ansible
Handling Jenkins Output
Unit 3: Ansible and GitLab CI Integration
GitLab CI and Ansible
GitLab CI Configuration
GitLab CI Variables
GitLab CI Output
Unit 4: Advanced CI/CD and Ansible Techniques
Dynamic Inventories
Testing and Validation
Rollbacks