all: children: security_servers: hosts: security-server-01: ansible_host: 10.0.1.10 ansible_user: ubuntu ansible_ssh_private_key_file: ~/.ssh/security-key.pem security-server-02: ansible_host: 10.0.1.11 ansible_user: ubuntu ansible_ssh_private_key_file: ~/.ssh/security-key.pem vars: environment: production vault_version: "1.15.2" prometheus_version: "2.47.0"