wings/cmd/root.go
2020-04-17 14:32:09 -07:00

273 lines
8.1 KiB
Go

package cmd
import (
"crypto/tls"
"fmt"
"net/http"
"os"
"path"
"strings"
"github.com/pkg/errors"
"github.com/pkg/profile"
"github.com/pterodactyl/wings/config"
"github.com/pterodactyl/wings/environment"
"github.com/pterodactyl/wings/router"
"github.com/pterodactyl/wings/server"
"github.com/pterodactyl/wings/sftp"
"github.com/pterodactyl/wings/system"
"github.com/remeh/sizedwaitgroup"
"github.com/spf13/cobra"
"go.uber.org/zap"
)
var configPath = config.DefaultLocation
var debug = false
var shouldRunProfiler = false
var root = &cobra.Command{
Use: "wings",
Short: "The wings of the pterodactyl game management panel",
Long: ``,
Run: rootCmdRun,
}
func init() {
root.PersistentFlags().StringVar(&configPath, "config", config.DefaultLocation, "set the location for the configuration file")
root.PersistentFlags().BoolVar(&debug, "debug", false, "pass in order to run wings in debug mode")
root.PersistentFlags().BoolVar(&shouldRunProfiler, "profile", false, "pass in order to profile wings")
root.AddCommand(configureCmd)
}
// Get the configuration path based on the arguments provided.
func readConfiguration() (*config.Configuration, error) {
var p = configPath
if !strings.HasPrefix(p, "/") {
d, err := os.Getwd()
if err != nil {
return nil, err
}
p = path.Clean(path.Join(d, configPath))
}
if s, err := os.Stat(p); err != nil {
return nil, errors.WithStack(err)
} else if s.IsDir() {
return nil, errors.New("cannot use directory as configuration file path")
}
return config.ReadConfiguration(p)
}
func rootCmdRun(*cobra.Command, []string) {
// Profile wings in production!!!!
if shouldRunProfiler {
defer profile.Start().Stop()
}
c, err := readConfiguration()
if err != nil {
panic(err)
}
if debug {
c.Debug = true
}
printLogo()
if err := configureLogging(c.Debug); err != nil {
panic(err)
}
zap.S().Infof("using configuration from path: %s", c.GetPath())
if c.Debug {
zap.S().Debugw("running in debug mode")
zap.S().Infow("certificate checking is disabled")
http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{
InsecureSkipVerify: true,
}
}
config.Set(c)
config.SetDebugViaFlag(debug)
if err := c.System.ConfigureDirectories(); err != nil {
zap.S().Panicw("failed to configure system directories for pterodactyl", zap.Error(err))
return
}
zap.S().Infof("checking for pterodactyl system user \"%s\"", c.System.Username)
if su, err := c.EnsurePterodactylUser(); err != nil {
zap.S().Panicw("failed to create pterodactyl system user", zap.Error(err))
return
} else {
zap.S().Infow("configured system user", zap.String("username", su.Username), zap.String("uid", su.Uid), zap.String("gid", su.Gid))
}
zap.S().Infow("beginning file permission setting on server data directories")
if err := c.EnsureFilePermissions(); err != nil {
zap.S().Errorw("failed to properly chown data directories", zap.Error(err))
} else {
zap.S().Infow("finished ensuring file permissions")
}
if err := server.LoadDirectory(); err != nil {
zap.S().Fatalw("failed to load server configurations", zap.Error(errors.WithStack(err)))
return
}
if err := environment.ConfigureDocker(&c.Docker); err != nil {
zap.S().Fatalw("failed to configure docker environment", zap.Error(errors.WithStack(err)))
os.Exit(1)
}
if err := c.WriteToDisk(); err != nil {
zap.S().Errorw("failed to save configuration to disk", zap.Error(errors.WithStack(err)))
}
// Just for some nice log output.
for _, s := range server.GetServers().All() {
zap.S().Infow("loaded configuration for server", zap.String("server", s.Uuid))
}
// Create a new WaitGroup that limits us to 4 servers being bootstrapped at a time
// on Wings. This allows us to ensure the environment exists, write configurations,
// and reboot processes without causing a slow-down due to sequential booting.
wg := sizedwaitgroup.New(4)
for _, serv := range server.GetServers().All() {
wg.Add()
go func(s *server.Server) {
defer wg.Done()
// Create a server environment if none exists currently. This allows us to recover from Docker
// being reinstalled on the host system for example.
zap.S().Infow("ensuring environment exists", zap.String("server", s.Uuid))
if err := s.Environment.Create(); err != nil {
zap.S().Errorw("failed to create an environment for server", zap.String("server", s.Uuid), zap.Error(err))
}
r, err := s.Environment.IsRunning()
if err != nil {
zap.S().Errorw("error checking server environment status", zap.String("server", s.Uuid), zap.Error(err))
}
// If the server is currently running on Docker, mark the process as being in that state.
// We never want to stop an instance that is currently running external from Wings since
// that is a good way of keeping things running even if Wings gets in a very corrupted state.
//
// This will also validate that a server process is running if the last tracked state we have
// is that it was running, but we see that the container process is not currently running.
if r || (!r && s.IsRunning()) {
zap.S().Infow("detected server is running, re-attaching to process", zap.String("server", s.Uuid))
if err := s.Environment.Start(); err != nil {
zap.S().Warnw(
"failed to properly start server detected as already running",
zap.String("server", s.Uuid),
zap.Error(errors.WithStack(err)),
)
}
return
}
// Addresses potentially invalid data in the stored file that can cause Wings to lose
// track of what the actual server state is.
s.SetState(server.ProcessOfflineState)
}(serv)
}
// Wait until all of the servers are ready to go before we fire up the HTTP server.
wg.Wait()
// If the SFTP subsystem should be started, do so now.
if c.System.Sftp.UseInternalSystem {
sftp.Initialize(c)
}
// Ensure the archive directory exists.
if err := os.MkdirAll(c.System.ArchiveDirectory, 0755); err != nil {
zap.S().Errorw("failed to create archive directory", zap.Error(err))
}
// Ensure the backup directory exists.
if err := os.MkdirAll(c.System.BackupDirectory, 0755); err != nil {
zap.S().Errorw("failed to create backup directory", zap.Error(err))
}
zap.S().Infow("configuring webserver", zap.Bool("ssl", c.Api.Ssl.Enabled), zap.String("host", c.Api.Host), zap.Int("port", c.Api.Port))
r := router.Configure()
addr := fmt.Sprintf("%s:%d", c.Api.Host, c.Api.Port)
if c.Api.Ssl.Enabled {
if err := r.RunTLS(addr, c.Api.Ssl.CertificateFile, c.Api.Ssl.KeyFile); err != nil {
zap.S().Fatalw("failed to configure HTTPS server", zap.Error(err))
}
} else {
if err := r.Run(addr); err != nil {
zap.S().Fatalw("failed to configure HTTP server", zap.Error(err))
}
}
// r := &Router{
// token: c.AuthenticationToken,
// upgrader: websocket.Upgrader{
// // Ensure that the websocket request is originating from the Panel itself,
// // and not some other location.
// CheckOrigin: func(r *http.Request) bool {
// return r.Header.Get("Origin") == c.PanelLocation
// },
// },
// }
}
// Execute calls cobra to handle cli commands
func Execute() error {
return root.Execute()
}
// Configures the global logger for Zap so that we can call it from any location
// in the code without having to pass around a logger instance.
func configureLogging(debug bool) error {
cfg := zap.NewProductionConfig()
if debug {
cfg = zap.NewDevelopmentConfig()
}
cfg.Encoding = "console"
cfg.OutputPaths = []string{
"stdout",
}
logger, err := cfg.Build()
if err != nil {
return err
}
zap.ReplaceGlobals(logger)
return nil
}
// Prints the wings logo, nothing special here!
func printLogo() {
fmt.Println()
fmt.Println(` ____`)
fmt.Println(`__ Pterodactyl _____/___/_______ _______ ______`)
fmt.Println(`\_____\ \/\/ / / / __ / ___/`)
fmt.Println(` \___\ / / / / /_/ /___ /`)
fmt.Println(` \___/\___/___/___/___/___ /______/`)
fmt.Println(` /_______/ v` + system.Version)
fmt.Println()
fmt.Println(`Website: https://pterodactyl.io`)
fmt.Println(`Source: https://github.com/pterodactyl/wings`)
fmt.Println()
fmt.Println(`Copyright © 2018 - 2020 Dane Everitt & Contributors`)
fmt.Println()
}