Welcome to Mastering Ansible, your guide to a collection of the most valuable advanced features and functionalities provided by Ansible, the automation and orchestration tool. This book will provide readers with the knowledge and skills required to truly understand how Ansible functions at a fundamental level. In turn, this will allow readers to master the advanced capabilities needed to tackle the complex automation challenges of today, and the future. Readers will gain knowledge of Ansible workflows, explore use cases for advanced features, troubleshoot unexpected behavior, extend Ansible through customization, and learn about many of the new and important developments in Ansible, especially around infrastructure and network provisioning.