Lab

Where the questions stay open

Experiments are not presented as products. This is the record of what was tried, what was learned, and what remains unresolved.

3 entries
2026-04Auditing playbook idempotence properlyA playbook is only idempotent if the second run changes nothing, which is not what most playbooks do.
  • Ansible
  • Automation
parked2026-03Stable Terraform resource names across regenerationThe problem that nearly killed ARCH: regenerating a design must not produce a destroy-and-recreate diff.
  • Terraform
  • Architecture
  • Multi-cloud
concluded2025-10How far a single-node K3s cluster goesRunning the full inference stack on one node to find where it actually falls over.
  • Kubernetes
  • Observability
  • Prometheus
  • K3s
concluded