| package main |
| |
| import ( |
| "context" |
| "flag" |
| "fmt" |
| "io" |
| "io/ioutil" |
| "os" |
| "path/filepath" |
| |
| "code.hackerspace.pl/hscloud/go/pki" |
| "github.com/gogo/protobuf/proto" |
| "github.com/golang/glog" |
| "google.golang.org/grpc" |
| |
| "code.hackerspace.pl/hscloud/games/factorio/modproxy/modportal" |
| pb "code.hackerspace.pl/hscloud/games/factorio/modproxy/proto" |
| ) |
| |
| func init() { |
| flag.Set("logtostderr", "true") |
| } |
| |
| var ( |
| flagProxy string |
| flagFactorioPath string |
| flagConfigPath string |
| ) |
| |
| func main() { |
| flag.StringVar(&flagProxy, "proxy", "modproxy.factorio.svc.k0.hswaw.net:4200", "Address of modproxy service") |
| flag.StringVar(&flagFactorioPath, "factorio_path", "", "Path to factorio server root") |
| flag.StringVar(&flagConfigPath, "config_path", "config.pb.text", "Path to client config file") |
| flag.Parse() |
| |
| conn, err := grpc.Dial(flagProxy, pki.WithClientHSPKI()) |
| if err != nil { |
| glog.Exitf("Dial(%q): %v", flagProxy, err) |
| return |
| } |
| |
| if flagFactorioPath == "" { |
| glog.Exitf("factorio_path must be set") |
| } |
| |
| if flagConfigPath == "" { |
| glog.Exitf("config_path must be set") |
| } |
| |
| configBytes, err := ioutil.ReadFile(flagConfigPath) |
| if err != nil { |
| glog.Exitf("could not read config: %v", err) |
| } |
| configString := string(configBytes) |
| config := &pb.ClientConfig{} |
| err = proto.UnmarshalText(configString, config) |
| if err != nil { |
| glog.Exitf("could not parse config: %v", err) |
| } |
| |
| ctx := context.Background() |
| proxy := pb.NewModProxyClient(conn) |
| |
| // mod name -> wanted mod version |
| managed := make(map[string]string) |
| |
| for _, m := range config.Mod { |
| modPath := fmt.Sprintf("%s/mods/%s_%s.zip", flagFactorioPath, m.Name, m.Version) |
| _, err := os.Stat(modPath) |
| if err == nil { |
| glog.Infof("Mod %s/%s up to date, skipping.", m.Name, m.Version) |
| continue |
| } |
| |
| i, err := modportal.GetMod(ctx, m.Name) |
| if err != nil { |
| glog.Errorf("Could not fetch info about %s/%s: %v", m.Name, m.Version, err) |
| continue |
| } |
| |
| release := i.ReleaseByVersion(m.Version) |
| if release == nil { |
| glog.Errorf("%s/%s: version does not exist!", m.Name, m.Version) |
| continue |
| } |
| |
| glog.Infof("Trying to download %s/%s (%s)...", m.Name, m.Version, release.SHA1) |
| |
| err = downloadMod(ctx, proxy, m.Name, release.SHA1, modPath) |
| if err != nil { |
| glog.Errorf("%s/%s: could not download mod: %v", m.Name, m.Version, err) |
| } else { |
| glog.Infof("Mod %s/%s downloaded.", m.Name, m.Version) |
| managed[m.Name] = m.Version |
| } |
| } |
| |
| glog.Infof("Cleaning up old versions of managed mods...") |
| for mn, mv := range managed { |
| modPath := fmt.Sprintf("%s/mods/%s_%s.zip", flagFactorioPath, mn, mv) |
| modGlob := fmt.Sprintf("%s/mods/%s_*.zip", flagFactorioPath, mn) |
| matches, err := filepath.Glob(modGlob) |
| if err != nil { |
| glog.Errorf("Could not find old versions of %q: %v", mn, err) |
| continue |
| } |
| |
| for _, m := range matches { |
| // skip managed version |
| if m == modPath { |
| continue |
| } |
| glog.Infof("Deleting old version: %s", m) |
| |
| err := os.Remove(m) |
| if err != nil { |
| glog.Errorf("Could not remove old version %q: %v", m, err) |
| } |
| } |
| } |
| glog.Infof("Done!") |
| } |
| |
| func downloadMod(ctx context.Context, proxy pb.ModProxyClient, modName, sha1, dest string) error { |
| req := &pb.DownloadRequest{ |
| ModName: modName, |
| FileSha1: sha1, |
| } |
| |
| stream, err := proxy.Download(ctx, req) |
| if err != nil { |
| return err |
| } |
| |
| data := []byte{} |
| |
| status := pb.DownloadResponse_STATUS_INVALID |
| for { |
| res, err := stream.Recv() |
| if err == io.EOF { |
| break |
| } |
| if err != nil { |
| return err |
| } |
| |
| if res.Status != pb.DownloadResponse_STATUS_INVALID { |
| status = res.Status |
| } |
| |
| data = append(data, res.Chunk...) |
| } |
| |
| switch status { |
| case pb.DownloadResponse_STATUS_OKAY: |
| case pb.DownloadResponse_STATUS_NOT_AVAILABLE: |
| return fmt.Errorf("version not available on proxy") |
| default: |
| return fmt.Errorf("invalid download status: %v", status) |
| } |
| |
| return ioutil.WriteFile(dest, data, 0644) |
| } |