package cmd import ( "context" "fmt" "net/http" "os" "os/signal" "syscall" "github.com/spf13/cobra" "github.com/spf13/viper" "github.com/usememos/memos/server" _profile "github.com/usememos/memos/server/profile" ) const ( greetingBanner = ` ███╗ ███╗███████╗███╗ ███╗ ██████╗ ███████╗ ████╗ ████║██╔════╝████╗ ████║██╔═══██╗██╔════╝ ██╔████╔██║█████╗ ██╔████╔██║██║ ██║███████╗ ██║╚██╔╝██║██╔══╝ ██║╚██╔╝██║██║ ██║╚════██║ ██║ ╚═╝ ██║███████╗██║ ╚═╝ ██║╚██████╔╝███████║ ╚═╝ ╚═╝╚══════╝╚═╝ ╚═╝ ╚═════╝ ╚══════╝ ` ) var ( profile *_profile.Profile mode string port int data string rootCmd = &cobra.Command{ Use: "memos", Short: `An open-source, self-hosted memo hub with knowledge management and social networking.`, Run: func(_cmd *cobra.Command, _args []string) { ctx, cancel := context.WithCancel(context.Background()) s, err := server.NewServer(ctx, profile) if err != nil { cancel() fmt.Printf("failed to create server, error: %+v\n", err) return } c := make(chan os.Signal, 1) // Trigger graceful shutdown on SIGINT or SIGTERM. // The default signal sent by the `kill` command is SIGTERM, // which is taken as the graceful shutdown signal for many systems, eg., Kubernetes, Gunicorn. signal.Notify(c, os.Interrupt, syscall.SIGTERM) go func() { sig := <-c fmt.Printf("%s received.\n", sig.String()) s.Shutdown(ctx) cancel() }() println(greetingBanner) fmt.Printf("Version %s has started at :%d\n", profile.Version, profile.Port) if err := s.Start(ctx); err != nil { if err != http.ErrServerClosed { fmt.Printf("failed to start server, error: %+v\n", err) cancel() } } // Wait for CTRL-C. <-ctx.Done() }, } ) func Execute() error { return rootCmd.Execute() } func init() { cobra.OnInitialize(initConfig) rootCmd.PersistentFlags().StringVarP(&mode, "mode", "m", "demo", `mode of server, can be "prod" or "dev" or "demo"`) rootCmd.PersistentFlags().IntVarP(&port, "port", "p", 8081, "port of server") rootCmd.PersistentFlags().StringVarP(&data, "data", "d", "", "data directory") err := viper.BindPFlag("mode", rootCmd.PersistentFlags().Lookup("mode")) if err != nil { panic(err) } err = viper.BindPFlag("port", rootCmd.PersistentFlags().Lookup("port")) if err != nil { panic(err) } err = viper.BindPFlag("data", rootCmd.PersistentFlags().Lookup("data")) if err != nil { panic(err) } viper.SetDefault("mode", "demo") viper.SetDefault("port", 8081) viper.SetEnvPrefix("memos") } func initConfig() { viper.AutomaticEnv() var err error profile, err = _profile.GetProfile() if err != nil { fmt.Printf("failed to get profile, error: %+v\n", err) return } println("---") println("Server profile") println("dsn:", profile.DSN) println("port:", profile.Port) println("mode:", profile.Mode) println("version:", profile.Version) println("---") }