The Ansible Workshop : Hands-On Learning for Rapid Mastery / Aymen El Amri.

Format:

Book

Author/Creator:

El Amri, Aymen, author.

Language:

English

Subjects (All):

Computer programming.

Configuration management.

Open source software.

Web site development.

Computer software.

Physical Description:

1 online resource (210 pages)

Edition:

First edition.

Place of Publication:

Paris, France : FAUN, [2024]

Biography/History:

El Amri Aymen: Aymen El Amri is a polymath software engineer, entrepreneur, and author with extensive experience in various technology fields, including DevOps & Cloud Native, Cloud Architecture, Python, NLP, and more. Aymen has authored multiple books and courses and provided training that has benefited thousands of developers and software engineers. His passion for teaching is evident in his practical approach, which simplifies complex concepts into understandable language and offers real-world examples that resonate with his audience. Aymen is the founder of several projects, including eralabs, FAUN, and MarketToDev, and he has been featured in several reputable publications.

Summary:

"The Ansible Workshop" offers a comprehensive journey through the world of Ansible, guiding readers from foundational concepts to advanced applications in automation. Readers delve into creating and managing inventories, an essential aspect of organizing systems for automation. As the journey progresses, the book covers the creation and use of playbooks, providing step-by-step instructions and practical examples. Readers learn how to gather and utilize Ansible facts, debug issues effectively, and manage sensitive data with Ansible Vault. The exploration of Ansible blocks, modules, plugins, and filters further enhances the reader's ability to customize and extend Ansible's functionality. The book then introduces the concept of Ansible roles, enabling readers to structure and reuse their automation tasks efficiently. Performance optimization techniques are also discussed, ensuring that automation workflows are both fast and reliable. The practical applications of Ansible are showcased through chapters on managing Docker and Docker Compose, as well as automating Kubernetes, highlighting Ansible's versatility in modern IT environments. To provide a quick reference and reinforce learning, an Ansible cheat sheet is included, summarizing key commands and concepts.

Contents:

Intro

Preface

What Are You Going To Learn?

Who Is This Guide For?

About The Author

The Companion Toolkit

Join the Community

Your Feedback Matters

Overview of Ansible

What is Ansible?

The Tale of Ansible

Declarative vs. Imperative Automation

Ansible Architecture

Inventory

Playbooks

Modules

Plugins

Roles

Ansible Vault

Ansible Engine

How Does Ansible Work?

Pros of Ansible

Cons of Ansible

Ansible vs Other Tools

Chef vs Ansible

Puppet vs Ansible

SaltStack vs Ansible

Introduction to Ansible

Prerequisites

Installing and Configuring Ansible

Ansible Inventory

Understanding the Ansible Inventory

Creating Advanced Ansible Inventories

Advanced Techniques To Target Specific Managed Nodes

Using the Default Inventory

Dynamic Inventories

Creating and Using Playbooks

Ad-hoc Commands vs Playbooks

Creating a Playbook

Playbook, Play, and Tasks

Creating Advanced Playbooks - Part 1

Creating Advanced Playbooks - Part 2

Ansible Facts

What are Ansible Facts and Why Do We Need Them?

Finding Ansible Facts

How To Use Ansible Facts

Advanced Usage of Ansible Facts

Debugging Ansible

Enabling Debugging

Debugging Tasks

Identify The Task That Failed

List The Task Variables

Identify The Host Where The Task Has Failed

Print The Execution Result of The Task

List All Task Arguments

Getting a Single Task Argument

Using the Debugger to Fix the Error

Enabling Debugging for All Tasks

Choosing When to Debug

Low-Level Debugging

Dry Run: Testing Playbooks Without Executing Them

Callback Plugins

Printing Variables

Printing The Output Of A Command

Printing The Output Of A Task

Using Your IDE to Write Better Playbooks

Ansible Vault and Sensitive Data Management

What is Ansible Vault?.

How to Use Ansible Vault

Using Password Files

Using Vault IDs

Ansible Blocks

What are Ansible Blocks?

How to Use Ansible Blocks

Error Handling with Ansible Blocks

Using "Rescue" and "Always" Together

Ansible Blocks with Asynchronous Tasks

Ansible Modules, Plugins, and Filters

What is an Ansible Module?

What is an Ansible Plugin?

Modules vs Plugins

Installing Ansible Modules and Plugins

Exploring the Lookup Plugins

Creating Ansible Modules

Documenting Your Module

Using The AnsibleModule Utility Class

A Full Example

Imports And Metadata

Function run_module()

Function main()

Execution Check

Developing an Ansible Module That Uses Generative AI

What Is An Ansible Filter?

Using Ansible Filters

Creating Ansible Filters

Ansible Roles

Role Directory Structure

Using "Defaults": Default Variables

Using "Files": Static Files

Using "Handlers": Actions Triggered by Tasks

Using "Meta"

Using "Tasks": Main List of Tasks

Using "Templates": Template Files

Using "Tests": Testing the Role

Using "Vars": Variables for the Role

Creating a Role

Making Ansible Faster

Disabling SSH Host Key Checking

Disabling Fact Gathering

Using More Forks

Optimize How Ansible Uses SSH

Use Asynchronous Tasks

Sequential vs Batch Mode

Using Execution Strategies

Managing Docker and Docker Compose with Ansible

Installation and Prerequisites

Building Docker Images from Ansible Playbooks

Tagging and Pushing Docker Images

Managing Docker Containers from Ansible Playbooks

Managing Docker Networks from Ansible Playbooks

Managing Docker Volumes from Ansible Playbooks

Docker Compose Up and Running with Ansible

Automating Kubernetes with Ansible

What is a Highly Available Kubernetes Cluster?

Etcd Nodes

Control Plane Nodes.

Worker Nodes

Creating a Highly Available Kubernetes Cluster with Kubespray and Ansible

Available Options to Deploy Kubernetes

Prerequisites and Initial Setup

Creating The Inventory

Creating the Cluster

How Kubespray Works

Step 1: Pre-Configuration Checks and Setup

Step 2: Setting Up Container Runtime

Step 3: Network Plugin Installation

Step 4: Kubernetes Components Installation

Step 5: Initialization of the First Control Plane Node

Step 6: Setting Up etcd Cluster

Step 7: Joining Additional Control Plane Nodes

Step 8: Joining Worker Nodes

Step 9: Cluster Configuration With Addons

Step 10: Cluster Verification And Health Checks

Step 11: Security Configuration

Step 12: Applying Custom Configurations

Step 13: Cluster Ready For Deployment

Start Using The Cluster

Deploying to Kubernetes with Ansible

Deploying to Kubernetes with Ansible and the K8s Module

Using Remote Manifests

Inline Manifests

Validating Kubernetes Definitions

Managing Multiple Clusters

Patching Resources

Restarting Deployments

Deploying to Kubernetes with Ansible and Helm

Templating Kubernetes Resources With Ansible

Troubleshooting Kubernetes with Ansible

Creating Generic Debug Tasks to View Kubernetes Resources

Viewing Kubernetes Pod Logs with Ansible

Ansible + Kubernetes = A Powerful Combination

Ansible Cheat Sheet

Installing Ansible

On Linux

On macOS

On Windows

Configuring Ansible

Setting Up the Inventory File (INI)

Setting Up the Inventory File (YAML)

Ansible Host Variables

Testing Your Setup

Playbook Structure

Playbook Keywords

Common Modules

Running a Command

Running a Shell Command

Running a Raw Command

Copying a File

Installing a Package

Restarting a Service

Copying a File with Permissions.

Copying a File with Permissions and Context

Running a Playbook

Running a Playbook with Inventory

Running a Playbook with Inventory and Limit

Running a Playbook with Limit

Running a Playbook with Tags

Running a Playbook with Skip Tags

Running a Playbook with Extra Variables

Running a Playbook with a Vault Password File

Running a Playbook with Ask Vault Password

Running a Playbook with Ask Sudo Password

Running a Playbook with Ask Pass

Running a Playbook in Check Mode

Running a Playbook in Diff Mode

Running a Playbook in Verbose Mode

Running a Playbook in Extra Verbose Mode

Running a Playbook in Extra Extra Verbose Mode

Running a Playbook in Extra Extra Extra Verbose Mode

Running a Playbook in Extra Extra Extra Extra Verbose Mode

Running a Playbook with Forks

Running a Playbook with Timeout

Jinja2

Using Jinja2

Using Jinja2 with Filters

Jinja2 Template

Jinja2 Template with Variables

Templates with Loops

Templates with Conditionals

Templates with Filters

Host Patterns

Debugging

Syntax Check a Playbook

Check if Hosts Are Reachable

Check if Hosts Are Reachable with SSH

Check if Hosts Are Reachable with WinRM

Check if Hosts Are Reachable Locally

Verbose Mode

Debug Mode

Capture Output

Capture Output and Show Only Specific Fields

Capture Output and Show Only Specific Fields with Jinja2

Gathering Facts

Gathering Facts for All Hosts

Gathering Facts for a Specific Host

Gathering Facts for a Specific Host and Saving to a File

Variables

Setting a Variable

Setting a Variable with Multiple Lines

Setting a Variable with Multiple Lines and Indentation

Conditionals

When

When with Multiple Conditions

Loops

Looping Over a List

Looping Over a Dictionary

Looping Over a Dictionary Using "with_dict".

Looping Over a List with "with_items"

Handlers

Using Handlers

Using Handlers with Multiple Tasks

Using Handlers with Multiple Tasks and Different Handlers

Conditional Execution

Using "ignore_errors" to Continue Execution Even After Failures

Using "changed_when" to Control When a Task Is Considered Changed

Using "failed_when" to Control When a Task Is Considered Failed

Failing a Playbook with "fail"

Vault

Editing an Encrypted File

Updating Encryption Password

Viewing an Encrypted File

Encrypting a File

Encrypting a File with a Password File

Decrypting a File

Encrypting a String

Encrypting a String with a Password File

Asynchronous Tasks

Running a Task Asynchronously

Checking the Status of Asynchronous Tasks

Using a Role

Using a Role with Variables

Using a Role with Multiple Variables

Using a Role with Tags

Ansible Galaxy

Searching for Roles

Installing a Role

Installing a Role with a Specific Version

Ansible Collections

Installing a Collection

Installing a Collection with a Specific Version

Installing a Collection from a File

Installing a Collection from a Directory

Resources About Ansible

Official Ansible Documentation

Ansible Blogs and Articles

Ansible Community and Forums

Ansible GitHub Repository

Ansible Videos

Ansible Tools

IDE Extensions

VSCode

PyCharm

Sublime

Vim

Newsletters

Afterword

Your Feedback Matters.

Notes:

Description based upon print version of record.

Using "Vars": Variables for the Role

Description based on publisher supplied metadata and other sources.

Description based on print version record.

ISBN:

9781836205029

1836205023

OCLC:

1435754037