Mastering Ansible - Second Edition by Jesse Keating

Key FeaturesLearn how to extend Ansible with custom modules, plugins, and inventory sourcesUtilize advanced Ansible features to orchestrate rolling updates with little to no service disruptionsAn up-to-date book that brings to light the newly added features in Ansible 2.xBook DescriptionThis book provides you with the knowledge you need to understand how Ansible 2.1 works at a fundamental level and leverage its advanced capabilities. Youll learn how to encrypt Ansible content at rest and decrypt data at runtime. You will master the advanced features and capabilities required to tackle the complex automation challenges of today and beyond.You will gain detailed knowledge of Ansible workflows, explore use cases for advanced features, craft well thought out orchestrations, troubleshoot unexpected behaviour, and extend Ansible through customizations. Finally, you will discover the methods used to examine and debug Ansible operations, helping you to understand and resolve issues.By the end of the book, the readers will be able to unlock the true power of the Ansible automation engine and will tackle complex real world actions with ease.What you will learnGain an in-depth understanding of how Ansible works under the coversFully automate the Ansible playbook executions with encrypted dataAccess and manipulate variable data within playbooksUse Blocks to construct failure recovery or cleanupExplore the Playbook debugger and Ansible ConsoleTroubleshoot unexpected behavior effectivelyWork with cloud infrastructure providers and container systemsDevelop custom modules, plugins, and dynamic inventory sourcesAbout the AuthorJesse Keating is an accomplished Ansible user, contributor, and presenter. He has been an active member of the Linux and open source community for over fifteen years. He has first-hand experience with a variety of IT activities, software development, and large-scale system administration. He has presented at numerous conferences and meet-ups, and has written many articles on a variety of topics.Table of ContentsSystem Architecture and Design of AnsibleProtecting Your Secrets with AnsibleUnlocking the Power of Jinja2 TemplatesControlling Task ConditionsComposing Reusable Ansible Content with RolesMinimizing Downtime with Rolling DeploymentsTroubleshooting AnsibleExtending AnsibleInfrastructure Provisioning