コード例 #1
0
ファイル: render.go プロジェクト: intelsdi-x/rkt
// Given an image app name and optional labels, get the best matching image
// available in the store, build its dependency list and render it inside dir
func RenderACI(name types.ACIdentifier, labels types.Labels, dir string, ap acirenderer.ACIRegistry, uidRange *user.UidRange) error {
	renderedACI, err := acirenderer.GetRenderedACI(name, labels, ap)
	if err != nil {
		return err
	}
	return renderImage(renderedACI, dir, ap, uidRange)
}
コード例 #2
0
ファイル: fetch.go プロジェクト: joshix/acbuild
// FetchAndRender will fetch the given image and all of its dependencies if
// they have not been fetched yet, and will then render them on to the
// filesystem if they have not been rendered yet.
func (r Registry) FetchAndRender(imagename types.ACIdentifier, labels types.Labels, size uint) error {
	err := r.Fetch(imagename, labels, size, true)
	if err != nil {
		return err
	}

	filesToRender, err := acirenderer.GetRenderedACI(imagename,
		labels, r)
	if err != nil {
		return err
	}

filesloop:
	for _, fs := range filesToRender {
		_, err := os.Stat(path.Join(r.DepStoreExpandedPath, fs.Key, "rendered"))
		switch {
		case os.IsNotExist(err):
			break
		case err != nil:
			return err
		default:
			// This ACI has already been rendered
			continue filesloop
		}

		err = util.ExtractImage(path.Join(r.DepStoreTarPath, fs.Key),
			path.Join(r.DepStoreExpandedPath, fs.Key), fs.FileMap)
		if err != nil {
			return err
		}

		rfile, err := os.Create(
			path.Join(r.DepStoreExpandedPath, fs.Key, "rendered"))
		if err != nil {
			return err
		}
		rfile.Close()
	}
	return nil
}