Ansible provides the capability to divide content logically into separate files. This capability helps project developers to not repeat the same code over and over again. Roles within Ansible take this capability a step further and wrap some magic around the paths to the content. Roles are tunable, reusable, portable, and shareable blocks of functionality. Ansible Galaxy exists as a community hub for developers to find, rate, and share roles. The ansible-galaxy command-line tool provides a method to interact with the Ansible Galaxy site or other role-sharing mechanisms. These capabilities and tools help with the organization and utilization of common code.

In this chapter, you learned all about inclusion concepts relating to tasks, handlers, variables, and even entire playbooks. Then you expanded on this knowledge by learning about roles—their structure, setting...