Consolidate controller bootstrap login in run command (#38)

internal/controller/api.go

@@ -19,7 +19,6 @@ const ctxServiceAccountKey = "service-account"
 var ErrUnauthorized = errors.New("unauthorized")
 
 func (controller *Controller) initAPI() *gin.Engine {
-	gin.SetMode(gin.DebugMode)
 	ginEngine := gin.Default()
 
 	// v1 API

internal/controller/controller.go

@@ -116,7 +116,8 @@ func (controller *Controller) EnsureServiceAccount(serviceAccount *v1.ServiceAcc
 	}
 
 	if serviceAccount.Token == "" {
-		serviceAccount.Token = uuid.New().String()
+		return fmt.Errorf("%w: attempted to create a service account with an empty token",
+			ErrAdminTaskFailed)
 	}
 
 	serviceAccount.CreatedAt = time.Now()

internal/controller/datadir.go

@@ -70,6 +70,15 @@ func (dataDir *DataDir) DBPath() string {
 	return filepath.Join(dataDir.path, "db")
 }
 
+func (dataDir *DataDir) ControllerCertificateExists() bool {
+	return fileExist(dataDir.ControllerCertificatePath()) && fileExist(dataDir.ControllerKeyPath())
+}
+
+func fileExist(path string) bool {
+	_, err := os.Stat(path)
+	return err == nil
+}
+
 func (dataDir *DataDir) ControllerCertificatePath() string {
 	return filepath.Join(dataDir.path, "controller.crt")
 }