Clojure utility for SLF4J logging system's MDC (Mapped Diagnostic Context).
- Helper functionality to work with MDC.
(ns readme.usage
(:require [clojure.tools.logging :as log]
[strojure.slf4j-mdc.core :as mdc]))
(defn- update-user
[user-id, data]
(with-open [_ (mdc/put-closeable "user-id" (str user-id))
_ (mdc/put-closeable "empty" nil)]
(log/debug "Update user" data)))
(comment
(update-user 100 {:name "Name"})
;; DEBUG readme.usage [ user-id=100 ]
;; - Update user {:name Name}
(with-open [_ (mdc/put-closeable "request-id" "64024bf5-862a-4e9f-a827-b924fc04f6d8")]
(update-user 100 {:name "Name"}))
;; DEBUG readme.usage [ request-id=64024bf5-862a-4e9f-a827-b924fc04f6d8, user-id=100 ]
;; - Update user {:name Name}
)