// get a single file from the s3 bucket
func (remote *S3Remote) getFile(dst string, key *keyDef) error {
log.Printf("Pulling key %s (%s)\n", key.key, utils.HumanSize(key.s3Key.Size))
from, _, err := remote.getUploadDownloadBucket().GetReader(key.key, nil)
if err != nil {
return err
}
defer from.Close()
if err := os.MkdirAll(filepath.Dir(dst), 0700); err != nil {
return err
}
to, err := os.Create(dst)
if err != nil {
return err
}
progressReader := utils.NewProgressReader(from, key.s3Key.Size, key.key)
_, err = io.Copy(to, progressReader)
if err != nil {
return err
}
return nil
}
func (cli *DogestryCli) createFileFromTar(root string, header *tar.Header, tarball io.Reader) error {
// only handle files (directories are implicit)
if header.Typeflag == tar.TypeReg {
fmt.Printf(" tar: extracting file: %s\n", header.Name)
// special case - repositories file
if filepath.Base(header.Name) == "repositories" {
if err := createRepositoriesJsonFile(root, tarball); err != nil {
return err
}
} else {
barename := strings.TrimPrefix(header.Name, "./")
dest := filepath.Join(root, "images", barename)
if err := os.MkdirAll(filepath.Dir(dest), os.ModeDir|0700); err != nil {
return err
}
destFile, err := os.Create(dest)
if err != nil {
return err
}
if wrote, err := io.Copy(destFile, tarball); err != nil {
return err
} else {
fmt.Printf(" tar: file created. Size: %s\n", utils.HumanSize(wrote))
}
destFile.Close()
}
}
return nil
}