pihole-exporter/main.go

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package main
import (
"fmt"
"os"
"os/signal"
"syscall"
"time"
"github.com/eko/pihole-exporter/config"
"github.com/eko/pihole-exporter/internal/metrics"
"github.com/eko/pihole-exporter/internal/pihole"
"github.com/eko/pihole-exporter/internal/server"
)
const (
name = "pihole-exporter"
)
var (
s *server.Server
)
func main() {
conf := config.Load()
metrics.Init()
initPiholeClient(conf.PIHoleHostname, conf.PIHolePassword, conf.Interval)
initHttpServer(conf.Port)
handleExitSignal()
}
func initPiholeClient(hostname, password string, interval time.Duration) {
client := pihole.NewClient(hostname, password, interval)
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go client.Scrape()
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}
func initHttpServer(port string) {
s = server.NewServer(port)
go s.ListenAndServe()
}
func handleExitSignal() {
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
<-stop
s.Stop()
fmt.Println(fmt.Sprintf("\n%s HTTP server stopped", name))
}