open-cmmc-stack/ansible/roles/preflight/README.md

🛫 Preflight Role

This Ansible role performs pre-deployment checks to ensure that all required configuration values and infrastructure prerequisites are present and valid before continuing with the OpenCMMC Stack deployment.

✅ Features

• Validates required variables are defined
• Ensures SSH public key format is correct
• Checks email formatting using regex
• Verifies DNS resolution for target domain
• Logs all validation steps to the evidence/99_preflight/ directory

📂 Evidence Artifacts

Validation checks are written to:

evidence/
└── 99_preflight/
    └── validation_checks.md

🔍 Tags

Use with:

ansible-playbook site.yml --tags preflight

🔧 Variables Checked

• default_user
• ssh_authorized_key
• domain_name
• hostname
• mailcow_admin_user
• mailcow_admin_password
• mailcow_fqdn
• mailcow_letsencrypt_email