Function createTar

pkg/compose/secrets.go:139–182

(env string, config types.FileReferenceConfig)

}

func createTar(env string, config types.FileReferenceConfig) (bytes.Buffer, error) {
	value := []byte(env)
	b := bytes.Buffer{}
	tarWriter := tar.NewWriter(&b)
	mode := types.FileMode(0o444)
	if config.Mode != nil {
		mode = *config.Mode
	}

	var uid, gid int
	if config.UID != "" {
		v, err := strconv.Atoi(config.UID)
		if err != nil {
			return b, err
		}
		uid = v
	}
	if config.GID != "" {
		v, err := strconv.Atoi(config.GID)
		if err != nil {
			return b, err
		}
		gid = v
	}

	header := &tar.Header{
		Name:    config.Target,
		Size:    int64(len(value)),
		Mode:    int64(mode),
		ModTime: time.Now(),
		Uid:     uid,
		Gid:     gid,
	}
	err := tarWriter.WriteHeader(header)
	if err != nil {
		return bytes.Buffer{}, err
	}
	_, err = tarWriter.Write(value)
	if err != nil {
		return bytes.Buffer{}, err
	}
	err = tarWriter.Close()
	return b, err
}