Scantron is a distributed nmap and masscan scanner comprised of two components. The first is a console node that consists of a web front end used for scheduling scans and storing nmap scan targets and results. The second component is an engine that pulls scan jobs from the console and conducts the actual nmap scanning. A majority of the application's logic is purposely placed on the console to make the engine(s) as "dumb" as possible. All nmap target files and nmap results reside on the console and are shared through a network file share (NFS) leveraging SSH tunnels. The engines call back to the console periodically using a REST API to check for scan tasks and provide scan status updates.
Checkout the Python Scantron API client for interacting with the Scantron API and driving automated workflows.
More details: https://github.com/rackerlabs/scantron
