def db_sync(version=None): if version is not None: try: version = int(version) except ValueError: raise exception.NovaException(_("version should be an integer")) current_version = db_version() repository = _find_migrate_repo() if version is None or version > current_version: return versioning_api.upgrade(session.get_engine(), repository, version) else: return versioning_api.downgrade(session.get_engine(), repository, version)
def db_sync(version=None): if version is not None: try: version = int(version) except ValueError: raise exception.NovaException(_("version should be an integer")) current_version = db_version() repository = _find_migrate_repo() if version is None or version > current_version: return versioning_api.upgrade(get_engine(), repository, version) else: return versioning_api.downgrade(get_engine(), repository, version)
def db_version(): repository = _find_migrate_repo() try: return versioning_api.db_version(session.get_engine(), repository) except versioning_exceptions.DatabaseNotControlledError: meta = sqlalchemy.MetaData() engine = session.get_engine() meta.reflect(bind=engine) tables = meta.tables if len(tables) == 0: db_version_control(INIT_VERSION) return versioning_api.db_version(session.get_engine(), repository) else: # Some pre-Essex DB's may not be version controlled. # Require them to upgrade using Essex first. raise exception.NovaException(_("Upgrade DB using Essex release first."))
def db_version(): repository = _find_migrate_repo() try: return versioning_api.db_version(session.get_engine(), repository) except versioning_exceptions.DatabaseNotControlledError: meta = sqlalchemy.MetaData() engine = session.get_engine() meta.reflect(bind=engine) tables = meta.tables if len(tables) == 0: db_version_control(INIT_VERSION) return versioning_api.db_version(session.get_engine(), repository) else: # Some pre-Essex DB's may not be version controlled. # Require them to upgrade using Essex first. raise exception.NovaException( _("Upgrade DB using Essex release first."))
def _reset_bmdb(): global _DB engine = bm_session.get_engine() engine.dispose() conn = engine.connect() if _DB is None: if bm_migration.db_version() > bm_migration.INIT_VERSION: return bm_migration.db_sync() _DB = "".join(line for line in conn.connection.iterdump()) else: conn.connection.executescript(_DB)
def db_version_control(version=None): repository = _find_migrate_repo() versioning_api.version_control(get_engine(), repository, version) return version
def register_models(): engine = session.get_engine() BASE.metadata.create_all(engine)
def unregister_models(): engine = session.get_engine() BASE.metadata.drop_all(engine)
def db_version_control(version=None): repository = _find_migrate_repo() versioning_api.version_control(session.get_engine(), repository, version) return version