'Test adding cluster table and cluster_id fields.'

def _check_075(self, engine, data):

    self.assertTrue(engine.dialect.has_table(engine.connect(), 'clusters'))
    clusters = db_utils.get_table(engine, 'clusters')
    columns = clusters.c
    self.__check_cinderbase_fields(columns)
    self.assertIsInstance(columns.id.type, self.INTEGER_TYPE)
    self.assertIsInstance(columns.name.type, self.VARCHAR_TYPE)
    self.assertIsInstance(columns.binary.type, self.VARCHAR_TYPE)
    self.assertIsInstance(columns.disabled.type, self.BOOL_TYPE)
    self.assertIsInstance(columns.disabled_reason.type, self.VARCHAR_TYPE)
    for table_name in ('services', 'consistencygroups', 'volumes'):
        table = db_utils.get_table(engine, table_name)
        self.assertIsInstance(table.c.cluster_name.type, self.VARCHAR_TYPE)
