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The Ansible Workshop [electronic resource] : Hands-On Learning for Rapid Mastery / Aymen El Amri

Author
El Amri, Aymen
Published
Birmingham : Packt Publishing, Limited, 2024.
Physical Description
1 online resource (210 pages)
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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, and 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
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.
Subject(s)
ISBN
9781836205029
1836205023
Note
Description based upon print version of record.
Using "Vars": Variables for the Role
View MARC record | catkey: 44801828