Among the many configuration management tools available, Ansible has some distinct advantages—it’s minimal in nature, you don’t need to install anything on your nodes, and it has an easy learning curve. This practical guide shows you how to be productive with this tool quickly, whether you’re a developer deploying code to production or a system administrator looking for a better automation solution. Author Lorin Hochstein shows you how to write playbooks (Ansible’s configuration management scripts), manage remote servers, and explore the tool’s real power: built-in declarative modules. You’ll discover that Ansible has the functionality you need and the simplicity you desire. Understand how Ansible differs from other configuration management systems Use the YAML file format to write your own playbooks Learn Ansible’s support for variables and facts Work with a complete example to deploy a non-trivial application Use roles to simplify and reuse playbooks Make playbooks run faster with ssh multiplexing, pipelining, and parallelism Deploy applications to Amazon EC2 and other cloud platforms Use Ansible to create Docker images and deploy Docker containers
Among the many configuration management tools available, Ansible has some distinct advantages--it's minimal in nature, you don't need to install anything on your nodes, and it has an easy learning curve. With this updated third edition, you'll learn how to be productive with this tool quickly, whether you're a developer deploying code to production or a system administrator looking for a better automation solution. Authors Bas Meijer, Lorin Hochstein, and Rene Moser show you how to write playbooks (Ansible's configuration management scripts), manage remote servers, and explore the tool's real power: built-in declarative modules. You'll discover that Ansible has the functionality you need--and the simplicity you desire. You'll learn: Ansible configuration management and deployment Ansible best practices How to use the new Collections format How to use Ansible on Windows, Linux, and macOS How to use Ansible in larger organizations How to create a local development environment How to create reusable Ansible content for open source middleware How to create container images, images for cloud instances, and cloud computing instances This book is best read start to finish, with later chapters building on earlier ones. Because it's written in a tutorial style, you can follow along on your own machine. Most examples focus on web applications. The third edition takes the reader to the next level in running Ansible for mission-critical work. Using software engineering methods to validate code quality and test frameworks to verify results in a test setup eradicates the guesswork and assumptions. Ansible 2.10 runs best with Python 3.8.
Among the many configuration management tools available, Ansible has some distinct advantages: It's minimal in nature. You don't need to install agents on your nodes. And there's an easy learning curve. With this updated third edition, you'll quickly learn how to be productive with Ansible whether you're a developer deploying code or a system administrator looking for a better automation solution. Authors Bas Meijer, Lorin Hochstein, and Rene Moser show you how to write playbooks (Ansible's configuration management scripts), manage remote servers, and explore the tool's real power: built-in declarative modules. You'll learn how Ansible has all the functionality you need--and the simplicity you desire. Explore Ansible configuration management and deployment Manage Linux, Windows, and network devices Learn how to apply Ansible best practices Understand how to use the new collections format Create custom modules and plug-ins Generate reusable Ansible content for open source middleware Build container images, images for cloud instances, and cloud infrastructure Automate CI/CD development environments Learn how to use Ansible Automation Platform for DevOps
Design, deploy, and maintain your own private or public Infrastructure as a Service (IaaS), using the open source OpenStack platform. In this practical guide, experienced developers and OpenStack contributors show you how to build clouds based on reference architectures, as well as how to perform daily administration tasks. Designed for horizontal scalability, OpenStack lets you build a cloud by integrating several technologies. This approach provides flexibility, but knowing which options to use can be bewildering. Once you complete this book, you’ll know the right questions to ask while you organize compute, storage, and networking resources. If you already know how to manage multiple Ubuntu machines and maintain MySQL, you’re ready to: Set up automated deployment and configuration Design a single-node cloud controller Use metrics to improve scalability Explore compute nodes, network design, and storage Install OpenStack packages Use an example architecture to help simplify decision-making Build a working environment to explore an IaaS cloud Manage users, projects, and quotas Tackle maintenance, debugging, and network troubleshooting Monitor, log, backup, and restore
Ansible is a great tool for handling deployment as well as configuration management, providing a lot more functionality than shell scripts. It doesn't require that one learn a new set of abstractions to hide the differences between operating systems. That makes its surface area smaller; there's less you need to know before you get started. Why is it important? We're all slowly turning into system engineers. Using a single tool for both configuration management and deployment makes life simpler for the folks responsible for operations. Project goals include a consistent, secure, highly reliable tool that's minimal in nature and has a low learning curve. What you'll learn—and how you can apply it Covers the basic concepts of Ansible at a high level, including how it communicates with remote servers and how it differs from other configuration-management tools. You'll learn how to use the Ansible command-line tool to perform simple tasks on a single host This lesson is for you because... You're a developer deploying your code to production You're a systems administrator looking for a better way to automate You need a quick introduction to leveraging an idempotent resource model for immutable infrastructure Prerequisites Be familiar with at least one Linux distribution (e.g., Ubuntu, RHEL/CentOS, SUSE) Be familiar with basic Linux system administration tasks, e.g., know how to: Connect to a remote machine using SSH Interact with the bash command-line shell (pipes and redirection) Install packages Use the sudo command Check and set file permissions Start and stop services Set environment variables Write scripts (any language) Learn some YAML and Jinja2 Materials or downloads needed in advance Have a Linux server with which to practice This Lesson is taken from Ansible: Up and Running by Lorin Hochstein.
Among the many configuration management tools available, Ansible has some distinct advantages—it’s minimal in nature, you don’t need to install anything on your nodes, and it has an easy learning curve. This practical guide shows you how to be productive with this tool quickly, whether you’re a developer deploying code to production or a system administrator looking for a better automation solution. Author Lorin Hochstein shows you how to write playbooks (Ansible’s configuration management scripts), manage remote servers, and explore the tool’s real power: built-in declarative modules. You’ll discover that Ansible has the functionality you need and the simplicity you desire. Understand how Ansible differs from other configuration management systems Use the YAML file format to write your own playbooks Learn Ansible’s support for variables and facts Work with a complete example to deploy a non-trivial application Use roles to simplify and reuse playbooks Make playbooks run faster with ssh multiplexing, pipelining, and parallelism Deploy applications to Amazon EC2 and other cloud platforms Use Ansible to create Docker images and deploy Docker containers
Design, deploy, and maintain your own private or public Infrastructure as a Service (IaaS), using the open source OpenStack platform. In this practical guide, experienced developers and OpenStack contributors show you how to build clouds based on reference architectures, as well as how to perform daily administration tasks. Designed for horizontal scalability, OpenStack lets you build a cloud by integrating several technologies. This approach provides flexibility, but knowing which options to use can be bewildering. Once you complete this book, you’ll know the right questions to ask while you organize compute, storage, and networking resources. If you already know how to manage multiple Ubuntu machines and maintain MySQL, you’re ready to: Set up automated deployment and configuration Design a single-node cloud controller Use metrics to improve scalability Explore compute nodes, network design, and storage Install OpenStack packages Use an example architecture to help simplify decision-making Build a working environment to explore an IaaS cloud Manage users, projects, and quotas Tackle maintenance, debugging, and network troubleshooting Monitor, log, backup, and restore
Among the many configuration management tools available, Ansible has some distinct advantages: It's minimal in nature. You don't need to install agents on your nodes. And there's an easy learning curve. With this updated third edition, you'll quickly learn how to be productive with Ansible whether you're a developer deploying code or a system administrator looking for a better automation solution. Authors Bas Meijer, Lorin Hochstein, and Rene Moser show you how to write playbooks (Ansible's configuration management scripts), manage remote servers, and explore the tool's real power: built-in declarative modules. You'll learn how Ansible has all the functionality you need--and the simplicity you desire. Explore Ansible configuration management and deployment Manage Linux, Windows, and network devices Learn how to apply Ansible best practices Understand how to use the new collections format Create custom modules and plug-ins Generate reusable Ansible content for open source middleware Build container images, images for cloud instances, and cloud infrastructure Automate CI/CD development environments Learn how to use Ansible Automation Platform for DevOps
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