Ansible
A comprehensive skill catalog for AI agents
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Ansible configuration management with playbooks and roles. Use for server provisioning.
SKILL.md
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Ansible
Ansible is an agentless automation tool. It handles Configuration Management (installing Nginx, editing configs). 2025 sees the Automation Platform 2.5 unified UI and AI Lightspeed assistance.
When to Use
- Configuration Mgmt: Terraform creates the VM, Ansible installs the software inside it.
- Agentless: No software to install on targets. Needs only SSH.
- Network Automation: Configuring Routers/Switches.
Quick Start
# playbook.yml
- name: Configure Webservers
hosts: web
become: true
tasks:
- name: Install Nginx
ansible.builtin.apt:
name: nginx
state: present
- name: Start Service
ansible.builtin.service:
name: nginx
state: started
Core Concepts
Inventory
List of hosts (hosts.ini or YAML). Can be dynamic (AWS plugin).
Playbooks
YAML files defining the desired state.
Roles / Collections
Reusable units of code. Download from Ansible Galaxy.
Best Practices (2025)
Do:
- Use Collections: The modern packaging format.
ansible.builtinis better than short modules. - Use
ansible-lint: Enforce best practices. - Idempotency: Ensure running a playbook twice produces the same result without errors.
Don't:
- Don't use
shellmodule: Unless absolutely necessary. Use specific modules (user,file,apt) for key tasks.