github.com/divyam234/rclone@v1.64.1/cmd/rcd/rcd.go (about) 1 // Package rcd provides the rcd command. 2 package rcd 3 4 import ( 5 "context" 6 "log" 7 "sync" 8 9 sysdnotify "github.com/iguanesolutions/go-systemd/v5/notify" 10 "github.com/divyam234/rclone/cmd" 11 "github.com/divyam234/rclone/fs/rc/rcflags" 12 "github.com/divyam234/rclone/fs/rc/rcserver" 13 "github.com/divyam234/rclone/lib/atexit" 14 libhttp "github.com/divyam234/rclone/lib/http" 15 "github.com/spf13/cobra" 16 ) 17 18 func init() { 19 cmd.Root.AddCommand(commandDefinition) 20 } 21 22 var commandDefinition = &cobra.Command{ 23 Use: "rcd <path to files to serve>*", 24 Short: `Run rclone listening to remote control commands only.`, 25 Long: ` 26 This runs rclone so that it only listens to remote control commands. 27 28 This is useful if you are controlling rclone via the rc API. 29 30 If you pass in a path to a directory, rclone will serve that directory 31 for GET requests on the URL passed in. It will also open the URL in 32 the browser when rclone is run. 33 34 See the [rc documentation](/rc/) for more info on the rc flags. 35 ` + libhttp.Help(rcflags.FlagPrefix) + libhttp.TemplateHelp(rcflags.FlagPrefix) + libhttp.AuthHelp(rcflags.FlagPrefix), 36 Annotations: map[string]string{ 37 "versionIntroduced": "v1.45", 38 "groups": "RC", 39 }, 40 Run: func(command *cobra.Command, args []string) { 41 cmd.CheckArgs(0, 1, command, args) 42 if rcflags.Opt.Enabled { 43 log.Fatalf("Don't supply --rc flag when using rcd") 44 } 45 46 // Start the rc 47 rcflags.Opt.Enabled = true 48 if len(args) > 0 { 49 rcflags.Opt.Files = args[0] 50 } 51 52 s, err := rcserver.Start(context.Background(), &rcflags.Opt) 53 if err != nil { 54 log.Fatalf("Failed to start remote control: %v", err) 55 } 56 if s == nil { 57 log.Fatal("rc server not configured") 58 } 59 60 // Notify stopping on exit 61 var finaliseOnce sync.Once 62 finalise := func() { 63 finaliseOnce.Do(func() { 64 _ = sysdnotify.Stopping() 65 }) 66 } 67 fnHandle := atexit.Register(finalise) 68 defer atexit.Unregister(fnHandle) 69 70 // Notify ready to systemd 71 if err := sysdnotify.Ready(); err != nil { 72 log.Fatalf("failed to notify ready to systemd: %v", err) 73 } 74 75 s.Wait() 76 finalise() 77 }, 78 }