Introduction to Ansible
Ansible simplifies IT automation by providing a simple and powerful approach to configuration management, application deployment, and task automation.
Core Components
- Playbooks: YAML-based scripts to define tasks.
- Roles: Group related tasks for better organization.
- Modules: Reusable, standalone scripts to perform tasks.
Example Playbook
yaml
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name: Install Apache and start service hosts: webservers tasks: – name: Install Apache yum: name: httpd state: present – name: Start Apache service: name: httpd state: started
Benefits of Ansible
- Agentless: No need for agents on managed nodes.
- Easy to Learn: Simple, human-readable syntax.
Use Cases
- Configuration Management: Ensure consistency across servers.
- Orchestration: Coordinate services across multiple hosts.