func addLevelsToBackend(config *util.Config, prefix string, backend logging.LeveledBackend) {
level, _ := logging.LogLevel(config.GetString(prefix+"level", defaultLogLevel))
backend.SetLevel(level, "")
modules := config.GetList(prefix+"modules", []interface{}{})
for _, rawModule := range modules {
module, _ := rawModule.(map[string]interface{})
moduleName, _ := module["name"].(string)
moduleLevel, _ := module["level"].(string)
level, err := logging.LogLevel(moduleLevel)
if moduleName == "" || err != nil {
continue
}
backend.SetLevel(level, moduleName)
}
}
