Exemple #1
0
// Init sets up expected paths.
func (s *Store) Init() (*Store, error) {
	sp, err := s.GetSnapshot().FastForward()
	if err != nil {
		return nil, err
	}

	exists, _, err := sp.Exists(nextPortPath)
	if err != nil {
		return nil, err
	}

	if !exists {
		sp, err = sp.Set(nextPortPath, strconv.Itoa(startPort))
		if err != nil {
			return nil, err
		}
	}

	v, err := cp.VerifySchema(SchemaVersion, sp)
	if cp.IsErrNoEnt(err) {
		sp, err = cp.SetSchemaVersion(SchemaVersion, sp)
		if err != nil {
			return nil, err
		}
	} else if err != nil {
		if cp.IsErrSchemaMism(err) {
			err = fmt.Errorf("%s (%d != %d)", err, SchemaVersion, v)
		}
		return nil, err
	}

	s.snapshot = sp

	return s, nil
}
Exemple #2
0
// SetSchemaVersion is used to update the store schema which is used for
// validation.
func (s *Store) SetSchemaVersion(version int) error {
	sp, err := s.GetSnapshot().FastForward()
	if err != nil {
		return err
	}
	_, err = cp.SetSchemaVersion(version, sp)
	if err != nil {
		return err
	}
	return nil
}