gauntlet: don't read the code an agent wrote, make it prove itself
I open-sourced gauntlet, a local tool and Claude Code plugin that runs a Python project's tests, measures how good those tests really are with CRAP scores and mutation...
Writing
Writing
Notes on AI, Infrastructure, build & release engineering, developer experience, and whatever else is keeping me curious.
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Wiring up snapctl set-health for LXD cluster refreshes
A PR I got merged into LXD today that reports snap health during cluster-wide refreshes, so a member stuck waiting for the rest of the cluster to catch up shows up as ...
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Cross-track upgrade testing for LXD clusters
Adding multi-step cross-track upgrade tests to LXD CI, so a cluster upgrade from an LTS track all the way to the development head is validated before it ships.
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Shipping Snap Revert to Ubuntu App Center
A feature that I worked on brings the snap revert out of the terminal and into Ubuntu's graphical App Center, shipped today with Ubuntu 26.04 LTS.
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Shipping Selective state recursion optimization to LXD
A feature I worked on for LXD that lets clients ask the server for only the instance-state fields they need. Shipped end-to-end across the LXD server, pylxd, and lxd-ui.
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Shipping cluster failure-domain feature to LXD
A new lxc cluster failure-domain subcommand I contributed to LXD, replacing the "edit the member YAML by hand" workaround for managing per-member failure domains.
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Adding a stale-snap warning on snapcraft.io
A small UI change I worked on for snapcraft.io. When the channel you're looking at hasn't seen a release in over two years, the page now tells you so before you click ...
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Adding an autostart daemon to get.docker.com
A feature I worked on for Docker's official install script running the one-liner now leaves you with a running daemon, and a new --no-autostart flag is the opt-out for...
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Rewriting the queue-position message in testflinger-cli
A small CLI change for Testflinger that replaces the misleading "Jobs ahead in queue 0" line with a clearer "Queue position next in line", and pairs absolute position ...
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Autofilling the repository name on snapcraft.io GitHub-build setup
A change for the snapcraft.io publisher dashboard that fills the repository name on the GitHub-build setup form from the snap ID and runs the validation step automatic...
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A clearer error for invalid slice names in Chisel
A small Chisel change that turns "invalid slice name" into a message that actually tells you what the rule is.
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Adding job rollups to testflinger-cli queue-status
A CLI change for Testflinger that folds job counts into queue-status, with a verbose mode that lists individual job IDs and a JSON mode that keeps existing consumers w...
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Adding human-readable durations to Testflinger reservation timeouts
A server-side change for Testflinger that lets reservation jobs use durations like 2h30m instead of forcing operators to convert hours into seconds.
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Telling publishers which listing fields are required on snapcraft.io
Inline validation hints for the five required fields of the snapcraft.io listing form, built with Vanilla's form-validation classes and wired for screen readers.
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Showing the source commit on every snapcraft.io build
A change for the snapcraft.io publisher dashboard that adds a Git commit column to the builds table and links each hash straight to the GitHub commit when the snap is ...
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Bitbucket Pipelines runner autoscaler on MicroK8s
Setting up a self-hosted Bitbucket Pipelines Runner Autoscaler using Microk8s.
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Vim cheatsheet
master vim commands and shortcuts.
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Good software engineering interview prepration resources
A collection of good resources to Prepare for Sofware Engineering Interviews.
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A good reading list for applied machine learning
Machine Learning is a powerful tool that can be used to solve real-world problems. I have found some of the resources below helpful.
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Resources to learn software design and architecture
Some good resources to learn the Basics of Software Design and architecture.
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Where to start with search engines
Ideas behind fast and efficient lookups
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