HealthChecks¶
metrics-clojure-health
will allow you to define and run healthcheck.
Install¶
metrics-clojure-health
is provided as a separate package from metrics.core
.
To install add the following to your project.clj
:
[metrics-clojure-health "2.10.0"]
Example¶
An example using the default HealthCheckRegistry, (which is different from the default-registry).:
(require '[metrics.health.core :as health])
(defhealthcheck "second-check" (fn [] (let [now (.getSeconds (java.util.Date.))]
(if (< now 30)
(health/healthy "%d is less than 30!" now)
(health/unhealthy "%d is more than 30!" now)))))
(health/check second-check)
#_ => #<Result Result{isHealthy=true, message=3 is less than 30!}>
(health/check-all)
#_ => {:healthy [#<UnmodifiableEntry foo=Result{isHealthy=true, message=6 is less than 30!}>]}