func (cli *DogestryCli) pullImage(fromId remote.ID, imageRoot string, r remote.Remote) error {
toDownload, err := cli.getLayerIdsToDownload(fromId, imageRoot, r, cli.Client)
if err != nil {
return err
}
for _, id := range toDownload {
downloadPath := filepath.Join(imageRoot, string(id))
fmt.Printf("Pulling image id '%s' to: %v\n", id.Short(), downloadPath)
err := r.PullImageId(id, downloadPath)
if err != nil {
return err
}
}
return nil
}
func (cli *DogestryCli) downloadImages(r remote.Remote, downloadMap DownloadMap, imageRoot string) error {
pullImagesErrMap := make(map[string]error)
for id, _ := range downloadMap {
downloadPath := filepath.Join(imageRoot, string(id))
fmt.Printf("Pulling image id '%s' to: %v\n", id.Short(), downloadPath)
err := r.PullImageId(id, downloadPath)
if err != nil {
pullImagesErrMap[downloadPath] = err
}
}
if len(pullImagesErrMap) > 0 {
fmt.Printf("Errors pulling images: %v\n", pullImagesErrMap)
return fmt.Errorf("Error downloading files from S3")
}
return nil
}