Fix logger setup

glrdomon.go

@@ -30,8 +30,7 @@ type tokenSource struct {
 var (
 	configPath string
 
-	logger  *log.Logger
-	logDest string
+	logger *log.Logger
 
 	apiKey      string
 	threshold   int
@@ -64,8 +63,7 @@ func initConfig() {
 	threshold = cfg.Threshold
 	deleteStale = cfg.DeleteStale
 
-	logDest = cfg.LogDest
-	setUpLogger()
+	setUpLogger(cfg.LogDest)
 
 	logger.Printf("Starting GitLab Runner monitoring with config %s", configPath)
 
@@ -194,7 +192,7 @@ func deleteDroplet(droplet godo.Droplet) bool {
 	return err == nil
 }
 
-func setUpLogger() {
+func setUpLogger(logDest string) {
 	logOpts := log.Ldate | log.Ltime | log.LUTC | log.Lshortfile
 
 	if logDest == "os.Stdout" {

glrdomon_test.go

@@ -8,7 +8,7 @@ import (
 )
 
 func TestCheckDropletAge(t *testing.T) {
-	setUpLogger()
+	setUpLogger("os.stdOut")
 
 	staleDroplet := godo.Droplet{
 		ID:      1234,