Practical Ansible: Learn how to automate infrastructure, manage configuration, and deploy applications [Team-IRA]

Cover
Title Page
Copyright
Dedication
Contributors
Table of Contents
Preface
Part 1:Learning the Fundamentals of Ansible
Chapter 1: Getting Started with Ansible
	Technical requirements
	Installing and configuring Ansible
		Understanding Ansible version numbers
		Installing Ansible on Linux and FreeBSD
		Working with virtual environments
		Installing from GitHub
		Installing Ansible on macOS
		Configuring Windows hosts for Ansible
	Getting to know your Ansible installation
		Understanding how Ansible connects to hosts
		Verifying the Ansible installation
	Managed node requirements
	Summary
	Questions
	Further reading
Chapter 2: Understanding the Fundamentals of Ansible
	Technical requirements
	Getting familiar with the Ansible framework
		Breaking down the Ansible components
		Learning the YAML syntax
		Organizing your automation code
	Exploring the configuration file
	Command-line arguments
	Understanding ad hoc commands
		Defining variables
	Understanding Jinja2 filters
	Summary
	Questions
	Further reading
Chapter 3: Defining Your Inventory
	Technical requirements
	Creating an inventory file and adding hosts
		Using host groups
		Adding host and group variables to your inventory
	Generating a dynamic inventory file
		Using multiple inventory sources in the inventory directories
		Using static groups with dynamic groups
	Special host management using patterns
	Summary
	Questions
	Further reading
Chapter 4: Playbooks and Roles
	Technical requirements
	Understanding the playbook framework
		Comparing playbooks and ad hoc tasks
		Defining plays and tasks
	Understanding roles – the playbook organizer
		Setting up role-based variables and dependencies
		Ansible Galaxy
	Using conditions in your code
	Repeating tasks with loops
	Grouping tasks using blocks
	Configuring play execution via strategies
	Using ansible-pull
	Summary
	Questions
	Further reading
Part 2:Expanding the Capabilities of Ansible
Chapter 5: Creating and Consuming Modules
	Technical requirements
	Executing multiple modules using the command line
	Reviewing the module index
	Accessing module documentation from the command line
	Module return values
	Developing custom modules
		Avoiding common pitfalls
		Testing and documenting your module
		The module checklist
		Contributing upstream – submitting a GitHub pull request
	Summary
	Questions
	Further reading
Chapter 6: Creating and Consuming Collections
	Technical requirements
	Introduction to Ansible collections
	Understanding fully qualified collection names
	Managing collections on your control node
	Updating your Ansible collections and core installation
	Creating your own collections
	Summary
	Questions
	Further reading
Chapter 7: Creating and Consuming Plugins
	Technical requirements
	Discovering the plugin types
	Finding included plugins
	Creating custom plugins
		Learning to integrate custom plugins with Ansible source code
	Sharing plugins with the community
	Summary
	Questions
	Further reading
Chapter 8: Coding Best Practices
	Technical requirements
	The preferred directory layout
	Differentiating between different environment types
	The proper approach to defining group and host variables
	Using top-level playbooks
	Leveraging version control tools
	Setting OS and distribution variances
	Porting between Ansible versions
	Summary
	Questions
	Further reading
Chapter 9: Advanced Ansible Topics
	Technical requirements
	Asynchronous versus synchronous actions
	Controlling play execution for rolling updates
	Configuring the maximum failure percentage
	Setting task execution delegation
	Using the run_once option
	Running playbooks locally
	Working with proxies and jump hosts
	Configuring playbook prompts
	Placing tags in the plays and tasks
	Securing data with Ansible Vault
	Summary
	Questions
	Further reading
Part 3:Using Ansible in an Enterprise
Chapter 10: Network Automation with Ansible
	Technical requirements
	Why automate network management?
	How Ansible manages networking devices
		How to enable network automation
		The available Ansible networking modules
	Connecting to network devices
		Environment variables for network devices
	Custom conditional statements for networking devices
	Summary
	Questions
	Further reading
Chapter 11: Container and Cloud Management
	Technical requirements
	Automating Docker and Podman with Ansible
		Managing Docker
		Managing Podman
	Managing Kubernetes with Ansible
		Installing Ansible Kubernetes dependencies
		Listing Kubernetes namespaces with Ansible
		Creating a Kubernetes namespace with Ansible
		Creating a Kubernetes service with Ansible
	Exploring container-focused modules
	Automating with Amazon Web Services
		Installation
		Authentication
		Creating your first machine
	Complementing Google Cloud Platform with automation
		Installation
		Authentication
		Creating your first machine
	Seamless automation integration with Azure
		Installation
		Authentication
		Creating your first machine
	Using Ansible to orchestrate OpenStack
		Installation
		Authentication
		Creating your first machine
	Summary
	Questions
	Further reading
Chapter 12: Troubleshooting and Testing Strategies
	Technical requirements
	Digging into playbook execution problems
	Using host facts to diagnose failures
	Testing with a playbook
	Using check mode
	Solving host connection issues
	Passing working variables via the CLI
	Limiting the host’s execution
	Flushing the code cache
	Checking for bad syntax
	Summary
	Questions
	Further reading
Chapter 13: Getting Started with Ansible Automation Controller
	Technical requirements
	Installing AWX
	Running your first playbook from AWX
		Creating an AWX project
		Creating an inventory
		Creating a job template
		Running a job
	Controlling access to AWX
		Creating a user
		Creating a team
		Creating an organization
		Assigning permissions in AWX
	Summary
	Questions
Chapter 14: Execution Environments
	Technical requirements
	The importance of execution environments
	Building an execution environment
		Creating a minimal execution environment
		Creating an execution environment with a specific Python interpreter
		Creating an execution environment with additional dependencies
	Running playbooks in an execution environment
	Uploading execution environments to a container registry
	Using execution environments in Ansible Automation Controller
	Summary
	Questions
	Further reading
Assessments
	Chapter 1
	Chapter 2
	Chapter 3
	Chapter 4
	Chapter 5
	Chapter 6
	Chapter 7
	Chapter 8
	Chapter 9
	Chapter 10
	Chapter 11
	Chapter 12
	Chapter 13
	Chapter 14
Index
About Packt
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