Lightning Talk: Prometheus Rules management and validation
summary
Prometheus rules live in a git repo, get packaged as a Helm chart, and Flux deploys them to clusters; alerts must keep specific labels and annotations such as a runbook field. CI runs Cloudflare’s pint to enforce syntax, label aggregations and required annotations, and promtool to run unit tests and syntax checks. A small hackathon produced a PR that adds a clear diff-style output for promtool errors so CI failures show exactly what to fix.
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