func runDownload(args *docopt.Args) error {
if err := os.MkdirAll(args.String["--root"], 0755); err != nil {
return fmt.Errorf("error creating root dir: %s", err)
}
// create a TUF client and update it
tufDB := args.String["--tuf-db"]
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
return err
}
remote, err := tuf.HTTPRemoteStore(args.String["--repository"], tufHTTPOpts("downloader"))
if err != nil {
return err
}
client := tuf.NewClient(local, remote)
if err := updateTUFClient(client); err != nil {
return err
}
// pull images from the TUF repo
if err := pinkerton.PullImagesWithClient(
client,
args.String["--repository"],
args.String["--driver"],
args.String["--root"],
pinkerton.InfoPrinter(false),
); err != nil {
return err
}
// download the upstart config and image manifests
if err := os.MkdirAll(args.String["--config-dir"], 0755); err != nil {
return fmt.Errorf("error creating config dir: %s", err)
}
for _, path := range []string{"/upstart.conf", "/bootstrap-manifest.json"} {
if _, err := downloadGzippedFile(client, path, args.String["--config-dir"]); err != nil {
return err
}
}
// download the init and cli binaries
if err := os.MkdirAll(args.String["--bin-dir"], 0755); err != nil {
return fmt.Errorf("error creating bin dir: %s", err)
}
for _, path := range []string{"/flynn-linux-amd64", "/flynn-init", "/flynn-nsumount"} {
dst, err := downloadGzippedFile(client, path, args.String["--bin-dir"])
if err != nil {
return err
}
if err := os.Chmod(dst, 0755); err != nil {
return err
}
}
return nil
}
func runDownload(args *docopt.Args) error {
if err := os.MkdirAll(args.String["--root"], 0755); err != nil {
return fmt.Errorf("error creating root dir: %s", err)
}
// create a TUF client and update it
tufDB := args.String["--tuf-db"]
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
return err
}
remote, err := tuf.HTTPRemoteStore(args.String["--repository"], tufHTTPOpts("downloader"))
if err != nil {
return err
}
client := tuf.NewClient(local, remote)
if err := updateTUFClient(client); err != nil {
return err
}
// pull images from the TUF repo
if err := pinkerton.PullImagesWithClient(
client,
args.String["--repository"],
args.String["--driver"],
args.String["--root"],
pinkerton.InfoPrinter(false),
); err != nil {
return err
}
if _, err := downloader.DownloadConfig(client, args.String["--config-dir"]); err != nil {
return err
}
if _, err := downloader.DownloadBinaries(client, args.String["--bin-dir"]); err != nil {
return err
}
return nil
}
func runDownload(args *docopt.Args) error {
if err := os.MkdirAll(args.String["--root"], 0755); err != nil {
return fmt.Errorf("error creating root dir: %s", err)
}
log := log15.New()
// create a TUF client and update it
log.Info("initializing TUF client")
tufDB := args.String["--tuf-db"]
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
log.Error("error creating local TUF client", "err", err)
return err
}
remote, err := tuf.HTTPRemoteStore(args.String["--repository"], tufHTTPOpts("downloader"))
if err != nil {
log.Error("error creating remote TUF client", "err", err)
return err
}
client := tuf.NewClient(local, remote)
if err := updateTUFClient(client); err != nil {
log.Error("error updating TUF client", "err", err)
return err
}
configDir := args.String["--config-dir"]
version := os.Getenv("FLYNN_VERSION")
if version == "" {
version, err = getChannelVersion(configDir, client, log)
if err != nil {
return err
}
}
log.Info(fmt.Sprintf("downloading components with version %s", version))
log.Info("downloading images")
if err := pinkerton.PullImagesWithClient(
client,
args.String["--repository"],
args.String["--driver"],
args.String["--root"],
version,
pinkerton.InfoPrinter(false),
); err != nil {
return err
}
d := downloader.New(client, version)
log.Info(fmt.Sprintf("downloading config to %s", configDir))
if _, err := d.DownloadConfig(configDir); err != nil {
log.Error("error downloading config", "err", err)
return err
}
binDir := args.String["--bin-dir"]
log.Info(fmt.Sprintf("downloading binaries to %s", binDir))
if _, err := d.DownloadBinaries(binDir); err != nil {
log.Error("error downloading binaries", "err", err)
return err
}
log.Info("download complete")
return nil
}