48 lines
874 B
Go
48 lines
874 B
Go
package main
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import (
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"flag"
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"fmt"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"net/http"
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"os"
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"time"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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var (
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sensor string
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currentTemp = promauto.NewGauge(prometheus.GaugeOpts{
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Name: "current_temp",
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Help: "The current temperature",
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})
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)
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func init() {
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flag.StringVar(&sensor, "s", "", "The sensor id as it shows up in /sys/bus/w1/devices/.")
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flag.Parse()
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}
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func main() {
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if sensor == "" {
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fmt.Println("Please provide a sensor id via the -s flag.")
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os.Exit(1)
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}
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fmt.Printf("Using sensor %s\n", sensor)
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go func() {
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for {
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time.Sleep(5 * time.Second)
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ParseAndSetTemp()
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}
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}()
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fmt.Println("Starting http server on port 2112")
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http.Handle("/metrics", promhttp.Handler())
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http.ListenAndServe(":2112", nil)
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}
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