Once a playbook is parsed and the hosts are determined, Ansible is ready to execute a task. Tasks are made up of a name (optional, but nonetheless important, as described previously), a module reference, module arguments, and task control directives. A later chapter will cover task control directives in detail, so we will only concern ourselves with the module reference and arguments.
Module transport and execution
Module reference
Every task has a module reference. This tells Ansible which bit of work to carry out. Ansible is designed to easily allow for custom modules to live alongside a playbook. These custom modules can be wholly new functionality, or they can replace modules shipped with Ansible itself. When Ansible parses...
