in generator.go [190:199]
func (config *FluentConfigGenerator) WriteFluentdConfig(wr io.Writer) error {
tmpl, err := template.New("fluent.conf").Parse(config.fluentdTemplate)
if err != nil {
return err
}
if config.Custom != nil {
tmpl.Option("missingkey=error")
}
return tmpl.Execute(wr, config)
}