package website import ( "context" "errors" "log" "net/http" _ "net/http/pprof" "os" "os/signal" "time" "git.handmade.network/hmn/hmn/src/auth" "git.handmade.network/hmn/hmn/src/config" "git.handmade.network/hmn/hmn/src/db" "git.handmade.network/hmn/hmn/src/discord" "git.handmade.network/hmn/hmn/src/logging" "git.handmade.network/hmn/hmn/src/perf" "git.handmade.network/hmn/hmn/src/templates" "github.com/spf13/cobra" ) var WebsiteCommand = &cobra.Command{ Short: "Run the HMN website", Run: func(cmd *cobra.Command, args []string) { templates.Init() defer logging.LogPanics(nil) logging.Info().Msg("Hello, HMN!") backgroundJobContext, cancelBackgroundJobs := context.WithCancel(context.Background()) conn := db.NewConnPool(config.Config.Postgres.MinConn, config.Config.Postgres.MaxConn) perfCollector := perf.RunPerfCollector(backgroundJobContext) server := http.Server{ Addr: config.Config.Addr, Handler: NewWebsiteRoutes(conn, perfCollector), } backgroundJobsDone := zipJobs( auth.PeriodicallyDeleteExpiredSessions(backgroundJobContext, conn), auth.PeriodicallyDeleteInactiveUsers(backgroundJobContext, conn), perfCollector.Done, discord.RunDiscordBot(backgroundJobContext, conn), ) signals := make(chan os.Signal, 1) signal.Notify(signals, os.Interrupt) go func() { <-signals logging.Info().Msg("Shutting down the website") go func() { timeout, cancel := context.WithTimeout(context.Background(), 30*time.Second) defer cancel() logging.Info().Msg("shutting down web server") server.Shutdown(timeout) logging.Info().Msg("cancelling background jobs") cancelBackgroundJobs() }() <-signals logging.Warn().Msg("Forcibly killed the website") os.Exit(1) }() go func() { log.Println(http.ListenAndServe(config.Config.PrivateAddr, nil)) }() logging.Info().Str("addr", config.Config.Addr).Msg("Serving the website") serverErr := server.ListenAndServe() if !errors.Is(serverErr, http.ErrServerClosed) { logging.Error().Err(serverErr).Msg("Server shut down unexpectedly") } <-backgroundJobsDone }, } func zipJobs(cs ...<-chan struct{}) <-chan struct{} { out := make(chan struct{}) go func() { for _, c := range cs { <-c } close(out) }() return out }