What is Ansible
Server configuration automation tool
Ansible
Ansible is an open-source platform for IT automation: configuration management, application deployment, and infrastructure orchestration.
Key Features
| Feature | Description | |---------|-------------| | Agentless | Works via SSH, no agent installation required | | YAML | Declarative playbook syntax | | Idempotent | Safe repeated execution | | Modular | 3000+ built-in modules |
Core Components
- Playbooks — YAML files with instructions
- Inventory — list of managed hosts
- Modules — units of task execution
- Roles — reusable task sets
- Galaxy — community role repository
Applications
- Configuration management — server setup
- Deployment — application deployment
- Orchestration — complex process coordination
- Provisioning — infrastructure creation
- CI/CD — pipeline integration
Advantages
- Easy entry for beginners
- Large community and documentation
- Cloud integration (AWS, Azure, GCP)
- Red Hat support (Ansible Tower/AWX)