[('id', 'id', mapper.Noop), ('name', 'display_name', mapper.Noop), ('d
escription', 'description', mapper.Noop), ('availability_zone', 'avail
ability_zone', mapper.Resource('availability_zone')), ('source_volume'
, 'volume_id', mapper.Resource('cinder.volume')), ('size', 'size', map
per.Noop), ('object_count', 'object_count', mapper.Noop), ('container'
, 'container', mapper.Noop), ('created_at', 'created_at', mapper.DateT
ime), ('updated_at', 'updated_at', mapper.DateTime), ('status', 'statu
s', mapper.Noop), ('fail_reason', 'fail_reason', mapper.Noop), ('has_d
...
|