def get_tables():
    """
    Returns hardcoded list of tables which have ``tenant_id`` column.

    DB head can be changed. To prevent possible problems, when models will be
    updated, return hardcoded list of tables, up-to-date for this day.

    Output retrieved by using:

    >>> metadata = head.get_metadata()
    >>> all_tables = metadata.sorted_tables
    >>> tenant_tables = []
    >>> for table in all_tables:
    ...     for column in table.columns:
    ...         if column.name == 'tenant_id':
    ...             tenant_tables.append((table, column))

    """
    tables = ['vips', 'members', 'pools', 'healthmonitors', 'lbaas_members',
        'lbaas_healthmonitors', 'lbaas_loadbalancers', 'lbaas_pools',
        'lbaas_l7rules', 'lbaas_l7policies', 'lbaas_listeners']
    return tables
