Add level to overall request timings

log/log.go

@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/go-kit/kit/log"
+	"github.com/go-kit/kit/log/level"
 	"github.com/kjk/betterguid"
 )
 
@@ -30,7 +31,9 @@ func Request(next http.Handler, logger log.Logger) http.Handler {
 		defer func() {
 			d := time.Since(start)
 
-			logger.Log("duration", d, "msg", "request handled")
+			level.Info(logger).
+				Log("duration", d,
+					"msg", "request handled")
 		}()
 
 		key := contextKey("logger")