Files
netris-cli/cmd/root.go
2024-06-26 23:19:06 +03:00

312 lines
8.2 KiB
Go

/*
Copyright © 2024 Nestri <>
*/
package cmd
import (
_ "embed"
"fmt"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"github.com/nestriness/cli/pkg/specs"
"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
// rootCmd represents the base command when called without any subcommands
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()
},
}
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().
// MarginTop(1).
// MarginRight(4).
// MarginBottom(1).
// MarginLeft(4)
var (
b strings.Builder
lines = strings.Split(art, "\n")
colors = []string{"#CC3D00", "#CC3D00"}
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()).BorderStyle(lipgloss.NewStyle().Width(3))
//TODO: show this specs
// info := &specs.Specs{}
// infoChan := make(chan specs.Specs, 1)
// var wg sync.WaitGroup
// wg.Add(1)
// go getSpecs(info, infoChan, &wg)
// wg.Wait()
// newInfo := <-infoChan
t.Row(b.String())
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() {
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.AddCommand(neoFetchCmd)
// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.cli.yaml)")
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
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
}
func getSpecs(info *specs.Specs, infoChan chan specs.Specs, wg *sync.WaitGroup) {
defer wg.Done()
sys := specs.New()
// info.Userhost = getUserHostname()
// info.OS = getOSName()
// info.Kernel = getKernelVersion()
// info.Uptime = getUptime()
// info.Shell = getShell()
// info.CPU = getCPUName()
// info.RAM = getMemStats()
info.GPU, _ = sys.GetGPUInfo()
// info.SystemArch, _ = getSystemArch()
// info.DiskUsage, _ = getDiskUsage()
infoChan <- *info
}