Slab

Project information

Slab is a tool for building custom Ubuntu disk images for lab and MAAS deployment. It wraps Packer and QEMU/KVM — automating ISO selection, package installation, and user/credential setup from reusable "profiles" — so you don't have to hand-edit Packer HCL and cloud-init files for every image variant.

It offers a desktop GUI (PySide6) and a CLI (slab), both built on a shared core pipeline, and produces .qcow2 images that can optionally be converted and packaged for upload to MAAS as custom boot resources. The project is currently being extended with a remote API + worker architecture (so builds can run on a dedicated server while the GUI runs on a laptop) and an optional natural-language interface for describing image requirements in plain English.

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