Ansible training course

Introduce to Ansible

• Describe the terminology and architecture of Ansible.
• Deploy Ansible
• Install Ansible and run ad hoc commands.
• Implement playbooks
• Write Ansible plays and execute a playbook.
• Manage variables and inclusions
• Describe variable scope and precedence, manage variables and facts in a play, and manage inclusions.
• Implement task control
• Manage task control, handlers, and tags in Ansible playbooks.
• Implement Jinja2 templates
• Implement roles
• Create and manage roles.
• Configure complex playbooks

Ansible Terminology to be covered includes:

•     Controller Machine: The machine where Ansible is installed, responsible for running the provisioning on the servers you are managing.
•     Inventory: An initialization file that contains information about the servers you are managing.
•     Playbook: The entry point for Ansible provisioning, where the automation is defined through tasks using YAML format.
•     Task: A block that defines a single procedure to be executed, e.g. Install a package.
• Module: A module typically abstracts a system task, like dealing with packages or creating and changing files. Ansible has a multitude of built-in modules, but you can also create custom ones.

Cont ...

•     Role: A pre-defined way for organizing playbooks and other files in order to facilitate sharing and reusing portions of a provisioning.
•     Play: A provisioning executed from start to finish is called a play.
• In simple words, execution of a playbook is called a play.
•     Facts: Global variables containing information about the system, like network interfaces or operating system.
•     Handlers: Used to trigger service status changes, like restarting or stopping a service.