package main import ( "log" "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" "github.com/xonvanetta/shutdown/pkg/shutdown" ) func main() { envConf, clientConfigs, err := config.Load() if err != nil { log.Fatal(err.Error()) } metrics.Init() serverDead := make(chan struct{}) clients := buildClients(clientConfigs) s := server.NewServer(envConf.Port, clients) go func() { s.ListenAndServe() close(serverDead) }() ctx := shutdown.Context() go func() { <-ctx.Done() s.Stop() }() select { case <-ctx.Done(): case <-serverDead: } log.Println("pihole-exporter HTTP server stopped") } func buildClients(clientConfigs []config.Config) []*pihole.Client { clients := make([]*pihole.Client, 0, len(clientConfigs)) for i := range clientConfigs { clientConfig := &clientConfigs[i] client := pihole.NewClient(clientConfig) clients = append(clients, client) } return clients }