Ansible offers great flexibility. Because of this, the community has figured out many useful ways to leverage Ansible modules and playbook structures to automate frequent operations on multiple layers, including using it with OpenStack. In this blog we’ll cover the many use-cases for Ansible , the most popular automation software, with OpenStack , the most popular cloud infrastructure software. We’ll help you understand here how and why you should use Ansible to make your life easier, in what we like to call Full-Stack Automation. Let’s begin by analyzing the layers of Full-Stack Automation, shown in the diagram above. At the bottom, we have the hardware resources (servers, storage area networks, and networking gear). Above, is the operating system (Linux or Windows). On the Linux side, you can install OpenStack to abstract all of your datacenter resources and offer a software-defined version of your compute, network, and storage resources. On top of OpenStack, are the tenant-de