72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package main
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import (
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"context"
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"errors"
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"flag"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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const defaultAddress = ":9105"
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const defaultDatabasePath = "/var/lib/proxmox-dashboard/dashboard.db"
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var version = "dev"
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func main() {
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showVersion := flag.Bool("version", false, "show version")
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flag.Parse()
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if *showVersion {
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fmt.Println(version)
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return
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}
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address := os.Getenv("DASHBOARD_ADDR")
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if address == "" {
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address = defaultAddress
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}
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collector, err := newCPUCollector(cpuInfoPath, procStatPath)
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if err != nil {
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log.Fatalf("Не удалось запустить сборщик CPU: %v", err)
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}
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databasePath := os.Getenv("DASHBOARD_DB_PATH")
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if databasePath == "" {
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databasePath = defaultDatabasePath
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}
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store, err := openStore(databasePath)
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if err != nil {
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log.Fatalf("Не удалось открыть базу данных: %v", err)
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}
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defer store.Close()
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server := &http.Server{
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Addr: address,
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Handler: routes(collector, store),
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ReadHeaderTimeout: 5 * time.Second,
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}
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runSystemdWatchdog()
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go func() {
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log.Printf("Proxmox Dashboard %s запущен на http://0.0.0.0%s", version, address)
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if err := server.ListenAndServe(); !errors.Is(err, http.ErrServerClosed) {
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log.Fatalf("Ошибка веб-сервера: %v", err)
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}
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}()
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
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<-stop
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := server.Shutdown(ctx); err != nil {
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fmt.Fprintf(os.Stderr, "Ошибка остановки сервера: %v\n", err)
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}
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}
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