api.py 文件源码

def flavor_get_all(context, inactive=False, filters=None,
                   sort_key='flavorid', sort_dir='asc', limit=None,
                   marker=None):
    """Returns all flavors.
    """
    filters = filters or {}

    # FIXME(sirp): now that we have the `disabled` field for flavors, we
    # should probably remove the use of `deleted` to mark inactive. `deleted`
    # should mean truly deleted, e.g. we can safely purge the record out of the
    # database.
    read_deleted = "yes" if inactive else "no"

    query = _flavor_get_query(context, read_deleted=read_deleted)

    if 'min_memory_mb' in filters:
        query = query.filter(
                models.InstanceTypes.memory_mb >= filters['min_memory_mb'])

    if 'min_root_gb' in filters:
        query = query.filter(
                models.InstanceTypes.root_gb >= filters['min_root_gb'])

    if 'disabled' in filters:
        query = query.filter(
                models.InstanceTypes.disabled == filters['disabled'])

    if 'is_public' in filters and filters['is_public'] is not None:
        the_filter = [models.InstanceTypes.is_public == filters['is_public']]
        if filters['is_public'] and context.project_id is not None:
            the_filter.extend([
                models.InstanceTypes.projects.any(
                    project_id=context.project_id, deleted=0)
            ])
        if len(the_filter) > 1:
            query = query.filter(or_(*the_filter))
        else:
            query = query.filter(the_filter[0])

    marker_row = None
    if marker is not None:
        marker_row = _flavor_get_query(context, read_deleted=read_deleted).\
                    filter_by(flavorid=marker).\
                    first()
        if not marker_row:
            raise exception.MarkerNotFound(marker)

    query = sqlalchemyutils.paginate_query(query, models.InstanceTypes, limit,
                                           [sort_key, 'id'],
                                           marker=marker_row,
                                           sort_dir=sort_dir)

    inst_types = query.all()

    return [_dict_with_extra_specs(i) for i in inst_types]