diff --git a/cmd/root.go b/cmd/root.go index 653ef68..6b7a4f8 100644 --- a/cmd/root.go +++ b/cmd/root.go @@ -7,8 +7,12 @@ import ( _ "embed" "fmt" "os" + "os/exec" + "path/filepath" + "runtime" "strings" "sync" + "time" "github.com/nestriness/cli/pkg/specs" @@ -16,6 +20,7 @@ import ( "github.com/charmbracelet/lipgloss/table" "github.com/muesli/termenv" "github.com/spf13/cobra" + "github.com/spf13/viper" ) //go:embed nestri.ascii @@ -76,6 +81,172 @@ var neoFetchCmd = &cobra.Command{ }, } +// this is the "nestri run" subcommand, takes no arguments for now +var runCmd = &cobra.Command{ + Use: "run", + Short: "Run a game using nestri", + Args: cobra.MaximumNArgs(1), + RunE: func(cmd *cobra.Command, args []string) error { + if runtime.GOOS != "linux" { + //make sure os is linux + fmt.Println("This command is only supported on Linux.") + return nil + } + + var game string + if len(args) > 0 { + game = args[0] + viper.Set("game", game) + viper.WriteConfig() + } else { + game = viper.GetString("game") + if filepath.Ext(game) != ".exe" { + return fmt.Errorf("Make sure the game is a .exe") + } + if game == "" { + return fmt.Errorf("no game specified and no previous game selected") + } + } + + fmt.Printf("Running game: %s\n\n", game) + // if gpu > 0 { + // fmt.Print("Using gpu %s\n", gpu) + // } + // if hdr { + // fmt.Println("Enabling HDR mode") + // } + + //get linux version + versionCmd := exec.Command("grep", "VERSION", "/etc/os-release") + versionOutput, err := versionCmd.CombinedOutput() + if err != nil { + return fmt.Errorf("error getting linux version:") + } + fmt.Printf("Linux version:\n%s\n", string(versionOutput)) + + //Step 1: change to games dir + fmt.Println("changing to game dir.") //this is a temp command for debug as well as leads to a hardcoded dir + + HomeDir, err := os.UserHomeDir() + if err != nil { + return fmt.Errorf("error getting home directory %v\n", err) + } + + err = os.Chdir(fmt.Sprintf("%s/game", HomeDir)) + if err != nil { + return fmt.Errorf("error changing directory: %v\n", err) + } + //verify we are in game dir + dir, err := os.Getwd() + if err != nil { + return fmt.Errorf("error getting current directory: %v\n", err) + } + fmt.Printf("Current directory: %s\n\n", dir) + + //list games dir + listDir := exec.Command("ls", "-la", ".") + listDirOutput, err := listDir.CombinedOutput() + if err != nil { + fmt.Errorf("error listing games: %v\n") + } + fmt.Printf("List of Games: \n%s\n", listDirOutput) + + //step 2: Generate a Session ID + //generate id + SID := exec.Command("bash", "-c", "head /dev/urandom | LC_ALL=C tr -dc 'a-zA-Z0-9' | head -c 16") + + //save output to variable + output, err := SID.Output() + if err != nil { + fmt.Errorf("Error generating Session ID: %v\n", err) + } + sessionID := strings.TrimSpace(string(output)) + fmt.Printf("Your Session ID is: %s\n\n", sessionID) + + //step 3: Launch netris server + fmt.Println("Installing Netris/Launching Netris Server\n") + checkRunning := exec.Command("sudo", "docker", "ps", "-q", "-f", "name=netris") + containerId, err := checkRunning.Output() + if err != nil { + return fmt.Errorf("error checking running Docker container: %v", err) + } + + if len(containerId) == 0 { + checkExisting := exec.Command("sudo", "docker", "ps", "-aq", "-f", "name=netris") + containerId, err = checkExisting.Output() + if err != nil { + return fmt.Errorf("error checking for existing docker container: %v", err) + } + + if len(containerId) == 0 { + installCmd := exec.Command( + "sudo", "docker", "run", "-d", "--gpus", "all", "--device=/dev/dri", + "--name", "netris", "-it", "--entrypoint", "/bin/bash", + "-e", fmt.Sprintf("SESSION_ID=%s", sessionID), + "-v", fmt.Sprintf("%s:/game", dir), "-p", "8080:8080/udp", + "--cap-add=SYS_NICE", "--cap-add=SYS_ADMIN", "ghcr.io/netrisdotme/netris/server:nightly", + ) + installCmd.Stdout = os.Stdout + installCmd.Stderr = os.Stderr + + if err := installCmd.Run(); err != nil { + return fmt.Errorf("error running docker command: %v", err) + } + } else { + startContainer := exec.Command("sudo", "docker", "start", "netris") + startContainer.Stdout = os.Stdout + startContainer.Stderr = os.Stderr + + if err := startContainer.Run(); err != nil { + return fmt.Errorf("error starting existing Docker container: %v", err) + } + } + } + + //main part of step 4: + //start netris server + + fmt.Println("starting netris server\n\n") + checkFileCmd := exec.Command("sudo", "docker", "exec", "netris", "ls", "-la", "/tmp") + output, err = checkFileCmd.Output() + if err != nil { + return fmt.Errorf("error checking /tmp dir in docker container: %v\n", err) + } + + if !strings.Contains(string(output), ".X11-unix") { + startupCmd := exec.Command("sudo", "docker", "exec", "netris", "/etc/startup.sh", ">", "/dev/null", "&") + startupCmd.Stdout = os.Stdout + startupCmd.Stderr = os.Stderr + + if err := startupCmd.Run(); err != nil { + return fmt.Errorf("error running startup command: %v\n", err) + } + + for { + time.Sleep(7 * time.Minute) + output, err := checkFileCmd.Output() + if err != nil { + return fmt.Errorf("error checking /tmp directory in container: %v\n", err) + } + if strings.Contains(string(output), ".X11-unix") { + break + } + } + } + + gameCmd := fmt.Sprintf("netris-proton -pr %s", game) + execCmd := exec.Command("sudo", "docker", "exec", "netris", gameCmd) + execCmd.Stdout = os.Stdout + execCmd.Stderr = os.Stderr + + if err := execCmd.Run(); err != nil { + return fmt.Errorf("error executing game command in docker container: %v\n", err) + } + + return nil + }, +} + // Execute adds all child commands to the root command and sets flags appropriately. // This is called by main.main(). It only needs to happen once to the rootCmd. func Execute() { diff --git a/main.go b/main.go index a223a10..a540525 100644 --- a/main.go +++ b/main.go @@ -1,6 +1,5 @@ /* Copyright © 2024 NAME HERE - */ package main diff --git a/root.go b/root.go new file mode 100644 index 0000000..813cb6f --- /dev/null +++ b/root.go @@ -0,0 +1,302 @@ +/* +Copyright © 2024 Nestri <> +*/ +package cmd + +import ( + _ "embed" + "fmt" + "os" + "os/exec" + "path/filepath" + "runtime" + "strings" + "time" + + "github.com/charmbracelet/lipgloss" + "github.com/charmbracelet/lipgloss/table" + "github.com/muesli/termenv" + "github.com/spf13/cobra" + "github.com/spf13/viper" +) + +//go:embed nestri.ascii +var art string + +var ( + gpu int + hdr bool +) + +// rootCmd represents the base command when called without any subcommands +// For a good reference point, start here: https://github.com/charmbracelet/taskcli/blob/main/cmds.go +var rootCmd = &cobra.Command{ + Use: "nestri", + Short: "A CLI tool to manage your cloud gaming service", + Args: cobra.NoArgs, + RunE: func(cmd *cobra.Command, args []string) error { + return cmd.Help() + }, +} + +// this is for the "nestri neofetch" subcommand, has no arguments +var neoFetchCmd = &cobra.Command{ + Use: "neofetch", + Short: "Show important system information", + Args: cobra.NoArgs, + RunE: func(cmd *cobra.Command, args []string) error { + lipgloss.SetColorProfile(termenv.TrueColor) + + baseStyle := lipgloss.NewStyle(). + PaddingTop(1). + PaddingRight(4). + PaddingBottom(1). + PaddingLeft(4) + + var ( + b strings.Builder + lines = strings.Split(art, "\n") + colors = []string{"#F8481C", "#F74127", "#F53B30", "#F23538", "#F02E40"} + step = len(lines) / len(colors) + ) + + for i, l := range lines { + n := clamp(0, len(colors)-1, i/step) + b.WriteString(colorize(colors[n], l)) + b.WriteRune('\n') + } + + t := table.New(). + Border(lipgloss.HiddenBorder()) + + t.Row(baseStyle.Render(b.String()), baseStyle.Render("System Info goes here")) + + fmt.Print(t) + + return nil + }, +} + +// this is the "nestri run" subcommand, takes no arguments for now +var runCmd = &cobra.Command{ + Use: "run", + Short: "Run a game using nestri", + Args: cobra.MaximumNArgs(1), + RunE: func(cmd *cobra.Command, args []string) error { + if runtime.GOOS != "linux" { + //make sure os is linux + fmt.Println("This command is only supported on Linux.") + return nil + } + + var game string + if len(args) > 0 { + game = args[0] + viper.Set("game", game) + viper.WriteConfig() + } else { + game = viper.GetString("game") + if filepath.Ext(game) != ".exe" { + return fmt.Errorf("Make sure the game is a .exe") + } + if game == "" { + return fmt.Errorf("no game specified and no previous game selected") + } + } + + fmt.Printf("Running game: %s\n\n", game) + if gpu > 0 { + fmt.Print("Using gpu %s\n", gpu) + } + if hdr { + fmt.Println("Enabling HDR mode") + } + + //get linux version + versionCmd := exec.Command("grep", "VERSION", "/etc/os-release") + versionOutput, err := versionCmd.CombinedOutput() + if err != nil { + return fmt.Errorf("error getting linux version:") + } + fmt.Printf("Linux version:\n%s\n", string(versionOutput)) + + //Step 1: change to games dir + fmt.Println("changing to game dir.") //this is a temp command for debug as well as leads to a hardcoded dir + + HomeDir, err := os.UserHomeDir() + if err != nil { + return fmt.Errorf("error getting home directory %v\n", err) + } + + err = os.Chdir(fmt.Sprintf("%s/game", HomeDir)) + if err != nil { + return fmt.Errorf("error changing directory: %v\n", err) + } + //verify we are in game dir + dir, err := os.Getwd() + if err != nil { + return fmt.Errorf("error getting current directory: %v\n", err) + } + fmt.Printf("Current directory: %s\n\n", dir) + + //list games dir + listDir := exec.Command("ls", "-la", ".") + listDirOutput, err := listDir.CombinedOutput() + if err != nil { + fmt.Errorf("error listing games: %v\n") + } + fmt.Printf("List of Games: \n%s\n", listDirOutput) + + //step 2: Generate a Session ID + //generate id + SID := exec.Command("bash", "-c", "head /dev/urandom | LC_ALL=C tr -dc 'a-zA-Z0-9' | head -c 16") + + //save output to variable + output, err := SID.Output() + if err != nil { + fmt.Errorf("Error generating Session ID: %v\n", err) + } + sessionID := strings.TrimSpace(string(output)) + fmt.Printf("Your Session ID is: %s\n\n", sessionID) + + //step 3: Launch netris server + fmt.Println("Installing Netris/Launching Netris Server\n") + checkRunning := exec.Command("sudo", "docker", "ps", "-q", "-f", "name=netris") + containerId, err := checkRunning.Output() + if err != nil { + return fmt.Errorf("error checking running Docker container: %v", err) + } + + if len(containerId) == 0 { + checkExisting := exec.Command("sudo", "docker", "ps", "-aq", "-f", "name=netris") + containerId, err = checkExisting.Output() + if err != nil { + return fmt.Errorf("error checking for existing docker container: %v", err) + } + + if len(containerId) == 0 { + installCmd := exec.Command( + "sudo", "docker", "run", "-d", "--gpus", "all", "--device=/dev/dri", + "--name", "netris", "-it", "--entrypoint", "/bin/bash", + "-e", fmt.Sprintf("SESSION_ID=%s", sessionID), + "-v", fmt.Sprintf("%s:/game", dir), "-p", "8080:8080/udp", + "--cap-add=SYS_NICE", "--cap-add=SYS_ADMIN", "ghcr.io/netrisdotme/netris/server:nightly", + ) + installCmd.Stdout = os.Stdout + installCmd.Stderr = os.Stderr + + if err := installCmd.Run(); err != nil { + return fmt.Errorf("error running docker command: %v", err) + } + } else { + startContainer := exec.Command("sudo", "docker", "start", "netris") + startContainer.Stdout = os.Stdout + startContainer.Stderr = os.Stderr + + if err := startContainer.Run(); err != nil { + return fmt.Errorf("error starting existing Docker container: %v", err) + } + } + } + + //main part of step 4: + //start netris server + + fmt.Println("starting netris server\n\n") + checkFileCmd := exec.Command("sudo", "docker", "exec", "netris", "ls", "-la", "/tmp") + output, err = checkFileCmd.Output() + if err != nil { + return fmt.Errorf("error checking /tmp dir in docker container: %v\n", err) + } + + if !strings.Contains(string(output), ".X11-unix") { + startupCmd := exec.Command("sudo", "docker", "exec", "netris", "/etc/startup.sh", ">", "/dev/null", "&") + startupCmd.Stdout = os.Stdout + startupCmd.Stderr = os.Stderr + + if err := startupCmd.Run(); err != nil { + return fmt.Errorf("error running startup command: %v\n", err) + } + + for { + time.Sleep(7 * time.Minute) + output, err := checkFileCmd.Output() + if err != nil { + return fmt.Errorf("error checking /tmp directory in container: %v\n", err) + } + if strings.Contains(string(output), ".X11-unix") { + break + } + } + } + + gameCmd := fmt.Sprintf("netris-proton -pr %s", game) + execCmd := exec.Command("sudo", "docker", "exec", "netris", gameCmd) + execCmd.Stdout = os.Stdout + execCmd.Stderr = os.Stderr + + if err := execCmd.Run(); err != nil { + return fmt.Errorf("error executing game command in docker container: %v\n", err) + } + + return nil + }, +} + +// Execute adds all child commands to the root command and sets flags appropriately. +// This is called by main.main(). It only needs to happen once to the rootCmd. +func Execute() { + err := rootCmd.Execute() + if err != nil { + os.Exit(1) + } +} + +func init() { + rootCmd.AddCommand(neoFetchCmd) + + rootCmd.AddCommand(runCmd) + + runCmd.Flags().IntVar(&gpu, "gpu", 0, "Specify GPU index") + runCmd.Flags().BoolVar(&hdr, "hdr", false, "Enable HDR mode") + + viper.SetConfigName("config") + viper.SetConfigType("yaml") + viper.AddConfigPath(".") + + if err := viper.ReadInConfig(); err != nil { + if _, ok := err.(viper.ConfigFileNotFoundError); ok { + + } else { + fmt.Println("error reading config file: %v(you should be able to ignore this)", err) + } + } + + //If you want to add subcommands to run for example "netri run -fsr" do it like this + // runCmd.Flags().BoolP("fsr", "f", false, "Run the Game with FSR enabled or not") +} + +func colorize(c, s string) string { + return lipgloss.NewStyle().Foreground(lipgloss.Color(c)).Render(s) +} + +func clamp(v, low, high int) int { + if high < low { + low, high = high, low + } + return min(high, max(low, v)) +} + +func min(a, b int) int { + if a < b { + return a + } + return b +} + +func max(a, b int) int { + if a > b { + return a + } + return b +}