ns_walk.clj

(defn instrument-resolvers!
  "Look for any fns matching the pattern resolve-.* in the ns*, instrument them with
  iapetos for Prometheus monitoring."
  [ns* registry]
  (doseq [resolver-str (filter #(re-matches #"resolve-.*" (str %)) (keys (ns-publics (ns-name ns*))))]
    (->> resolver-str symbol resolve (iapetos.collector.fn/instrument! registry))))

(instrument-resolvers! *ns* registry)