Golang Store.RenderTreeStore示例

// renderInStore renders a ACI specified by `filename` in the given tree store,
// and returns the hash (image ID) of the rendered ACI.
func renderInStore(s *store.Store, filename string) (string, error) {
	// Put the ACI into the store
	f, err := os.Open(filename)
	if err != nil {
		return "", fmt.Errorf("Could not open ACI image: %s", err)
	}

	key, err := s.WriteACI(f, false)
	if err != nil {
		return "", fmt.Errorf("Could not open ACI: %s", key)
	}

	// Render the ACI
	if err := s.RenderTreeStore(key, false); err != nil {
		return "", fmt.Errorf("Could not render tree store: %s", err)
	}

	return key, err
}