Ansible 面试题与答案

问题 21. How can you create custom Ansible modules?

Custom Ansible modules can be created using Python. They should follow the Ansible module development guidelines and use the 'ansible.module_utils' library.

问题 22. Explain the purpose of Ansible Tower.

Ansible Tower is a web-based UI and API for managing Ansible. It provides a dashboard, role-based access control, job scheduling, and other features.

问题 23. How can you include external files in Ansible playbooks?

The 'include' statement is used to include external YAML files in Ansible playbooks. It allows for better organization and reuse of playbook components.

Example:

include: tasks/common-tasks.yml

问题 24. Explain the purpose of Ansible Facts caching.

Ansible Facts caching is the process of storing facts about remote systems locally to improve performance. It reduces the need to gather facts on each playbook run.

问题 25. How can you define and use roles in Ansible playbooks?

Roles are defined in separate directories and can be included in playbooks using the 'roles' keyword. They enhance playbook organization and reusability.

Example:

roles:
  - common
  - web_server