package pkg import ( "github.com/phin1x/go-ipp" "github.com/prometheus/client_golang/prometheus" ) func (e *Exporter) printerMetrics(ch chan<- prometheus.Metric) error { printers, err := e.client.GetPrinters([]string{"printer-state"}) if err != nil { e.log.Error(err, "failed to fetch printers") return err } ch <- prometheus.MustNewConstMetric(e.printersTotal, prometheus.GaugeValue, float64(len(printers))) for _, attr := range printers { printer := attr["printer-name"][0].Value.(string) states := make(map[int8]int) states[ipp.PrinterStateIdle] = 0 states[ipp.PrinterStateProcessing] = 0 states[ipp.PrinterStateStopped] = 0 states[int8(attr["printer-state"][0].Value.(int))]++ ch <- prometheus.MustNewConstMetric(e.printerStateTotal, prometheus.GaugeValue, float64(states[ipp.PrinterStateIdle]), printer, "idle") ch <- prometheus.MustNewConstMetric(e.printerStateTotal, prometheus.GaugeValue, float64(states[ipp.PrinterStateProcessing]), printer, "processing") ch <- prometheus.MustNewConstMetric(e.printerStateTotal, prometheus.GaugeValue, float64(states[ipp.PrinterStateStopped]), printer, "stopped") } return nil }