Domain

✅ Purpose

Represents a target domain and the SFTP credentials used to deploy landings.

🧩 Fields

• domain — unique domain string, validated by DomainValidator (regex in settings)
• sftp_host — IP address only (HostValidator)
• sftp_port — default 22
• sftp_username / sftp_password — SFTP credentials
• notes — optional, up to 300 chars
• owner — FK to User
• created_at, updated_at

🧠 Properties & methods

• root_directory → /home/<sftp_username>/public_html
• dir_exists(dir_path) → checks if <root_directory>/<dir_path> exists on SFTP
  • SFTP host key checking is disabled (CnOpts.hostkeys = None)

🔗 Relations

• Landing.domains — Many‑to‑Many
• Deployment.domain — FK
• LandingTransferLog.new_domain — FK

⚠️ Notes

SFTP password is stored directly in the DB (no encryption at model level).