• Default inventory file path: /etc/ansible/hosts
• Provide private key and user for SSH access with following flags
  • --private-key PATH_TO_SSH_PRIVATE_KEY
  • --user SSH_USERNAME
• Children groups should be loaded first before parent group in case of inventory and can be achieved by prefixing number in the intended order.

• Ansible Playbook

References:

1. How to build your inventory — Ansible Documentation