Ansible 2 Cloud Automation Cookbook

Introduction of Ansible entities

Before we start diving into the Ansible world, we need to know some basics:

• Inventory: We need to have a list of hosts that we want to manage. Inventory is that list. In its simplest form, this can be a text file created manually which just lists the IP addresses of the servers. This is usually enough for small infrastructure or if the infrastructure is static in nature. It follows ini syntax and a typical inventory would look like this:

[webservers]server1[application]server1server2

If our infrastructure is dynamic, where we add and remove servers frequently, we can use dynamic inventory. This would allow us to generate the inventory in real time. Ansible provides dynamic inventory scripts for many cloud ...