func (h *jobAPI) PullBinariesAndConfig(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
log := h.host.log.New("fn", "PullBinariesAndConfig")
log.Info("extracting TUF database")
tufDB, err := extractTufDB(r)
if err != nil {
log.Error("error extracting TUF database", "err", err)
httphelper.Error(w, err)
return
}
defer os.Remove(tufDB)
query := r.URL.Query()
log.Info("creating local TUF store")
local, err := tuf.FileLocalStore(tufDB)
if err != nil {
log.Error("error creating local TUF store", "err", err)
httphelper.Error(w, err)
return
}
opts := &tuf.HTTPRemoteOptions{
UserAgent: fmt.Sprintf("flynn-host/%s %s-%s pull", version.String(), runtime.GOOS, runtime.GOARCH),
Retries: tuf.DefaultHTTPRetries,
}
log.Info("creating remote TUF store")
remote, err := tuf.HTTPRemoteStore(query.Get("repository"), opts)
if err != nil {
log.Error("error creating remote TUF store", "err", err)
httphelper.Error(w, err)
return
}
client := tuf.NewClient(local, remote)
d := downloader.New(client, query.Get("version"))
log.Info("downloading binaries")
paths, err := d.DownloadBinaries(query.Get("bin-dir"))
if err != nil {
log.Error("error downloading binaries", "err", err)
httphelper.Error(w, err)
return
}
log.Info("downloading config")
configs, err := d.DownloadConfig(query.Get("config-dir"))
if err != nil {
log.Error("error downloading config", "err", err)
httphelper.Error(w, err)
return
}
for k, v := range configs {
paths[k] = v
}
httphelper.JSON(w, 200, paths)
}
func (h *jobAPI) PullBinariesAndConfig(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
log := h.host.log.New("fn", "PullBinariesAndConfig")
log.Info("extracting TUF database")
tufDB, err := extractTufDB(r)
if err != nil {
log.Error("error extracting TUF database", "err", err)
httphelper.Error(w, err)
return
}
defer os.Remove(tufDB)
query := r.URL.Query()
log.Info("initializing TUF client")
client, err := newTufClient(tufDB, query.Get("repository"))
if err != nil {
log.Error("error initializing TUF client", "err", err)
httphelper.Error(w, err)
return
}
d := downloader.New(client, h.host.vman, query.Get("version"))
log.Info("downloading binaries")
paths, err := d.DownloadBinaries(query.Get("bin-dir"))
if err != nil {
log.Error("error downloading binaries", "err", err)
httphelper.Error(w, err)
return
}
log.Info("downloading config")
configs, err := d.DownloadConfig(query.Get("config-dir"))
if err != nil {
log.Error("error downloading config", "err", err)
httphelper.Error(w, err)
return
}
for k, v := range configs {
paths[k] = v
}
httphelper.JSON(w, 200, paths)
}
func (h *jobAPI) PullImages(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
log := h.host.log.New("fn", "PullImages")
log.Info("extracting TUF database")
tufDB, err := extractTufDB(r)
if err != nil {
log.Error("error extracting TUF database", "err", err)
httphelper.Error(w, err)
return
}
defer os.Remove(tufDB)
query := r.URL.Query()
log.Info("initializing TUF client")
client, err := newTufClient(tufDB, query.Get("repository"))
if err != nil {
log.Error("error initializing TUF client", "err", err)
httphelper.Error(w, err)
return
}
info := make(chan *ct.ImagePullInfo)
stream := sse.NewStream(w, info, nil)
go stream.Serve()
d := downloader.New(client, h.host.vman, query.Get("version"))
log.Info("pulling images")
if err := d.DownloadImages(query.Get("config-dir"), info); err != nil {
log.Error("error pulling images", "err", err)
stream.CloseWithError(err)
return
}
stream.Wait()
}
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
}
func runDownload(args *docopt.Args) error {
log := log15.New()
log.Info("initializing ZFS volumes")
volPath := args.String["--volpath"]
volDB := filepath.Join(volPath, "volumes.bolt")
volMan := volumemanager.New(volDB, log, func() (volume.Provider, error) {
return zfs.NewProvider(&zfs.ProviderConfig{
DatasetName: zfs.DefaultDatasetName,
Make: zfs.DefaultMakeDev(volPath, log),
WorkingDir: filepath.Join(volPath, "zfs"),
})
})
if err := volMan.OpenDB(); err != nil {
log.Error("error opening volume database, make sure flynn-host is not running", "err", err)
return err
}
// 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"]
requestedVersion := os.Getenv("FLYNN_VERSION")
if requestedVersion == "" {
requestedVersion, err = getChannelVersion(configDir, client, log)
if err != nil {
return err
}
}
log.Info(fmt.Sprintf("downloading components with version %s", requestedVersion))
d := downloader.New(client, volMan, requestedVersion)
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
}
// use the requested version of flynn-host to download the images as
// the format changed in v20161106
if version.String() != requestedVersion {
log.Info(fmt.Sprintf("executing %s flynn-host binary", requestedVersion))
binPath := filepath.Join(binDir, "flynn-host")
argv := append([]string{binPath}, os.Args[1:]...)
return syscall.Exec(binPath, argv, os.Environ())
}
log.Info("downloading images")
ch := make(chan *ct.ImagePullInfo)
go func() {
for info := range ch {
switch info.Type {
case ct.ImagePullTypeImage:
log.Info(fmt.Sprintf("pulling %s image", info.Name))
case ct.ImagePullTypeLayer:
log.Info(fmt.Sprintf("pulling %s layer %s (%s)",
info.Name, info.Layer.ID, units.BytesSize(float64(info.Layer.Length))))
}
}
}()
if err := d.DownloadImages(configDir, ch); err != nil {
log.Error("error downloading images", "err", err)
return err
}
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
}
log.Info("download complete")
return nil
}
