I wrote a small tool to make cladograms from virtual machine disk images. You can find it here.
Suggested future work:
- Make the output machine-readable.
- Improve the diagram.
- Display the “distance” measure.
- Don’t connect guests which have very large distances.
- Give guidance about how to create backing files.
- Get it into Fedora.
- Integrate into OpenStack, oVirt.
- Alternate distance measures.