Coverage for watcher/decision_engine/model/element/volume.py: 100%

1# -*- encoding: utf-8 -*- 

2# Copyright 2017 NEC Corporation 

3# 

4# Licensed under the Apache License, Version 2.0 (the "License"); 

5# you may not use this file except in compliance with the License. 

6# You may obtain a copy of the License at 

7# 

8# http://www.apache.org/licenses/LICENSE-2.0 

9# 

10# Unless required by applicable law or agreed to in writing, software 

11# distributed under the License is distributed on an "AS IS" BASIS, 

12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 

13# implied. 

14# See the License for the specific language governing permissions and 

15# limitations under the License. 

16 

17import enum 

18 

19from watcher.decision_engine.model.element import storage_resource 

20from watcher.objects import base 

21from watcher.objects import fields as wfields 

22 

23 

24class VolumeState(enum.Enum): 

25 # https://docs.openstack.org/api-ref/block-storage/v3/#volumes-volumes 

26 

27 CREATING = 'creating' 

28 AVAILABLE = 'available' 

29 ATTACHING = 'attaching' 

30 IN_USE = 'in-use' 

31 DELETING = 'deleting' 

32 ERROR = 'error' 

33 ERROR_DELETING = 'error_deleting' 

34 BACKING_UP = 'backing-up' 

35 RESTORING_BACKUP = 'restoring-backup' 

36 ERROR_RESTORING = 'error_restoring' 

37 ERROR_EXTENDING = 'error_extending' 

38 

39 

40@base.WatcherObjectRegistry.register_if(False) 

41class Volume(storage_resource.StorageResource): 

42 

43 fields = { 

44 "size": wfields.NonNegativeIntegerField(), 

45 "status": wfields.StringField(default=VolumeState.AVAILABLE.value), 

46 "attachments": wfields.FlexibleListOfDictField(), 

47 "name": wfields.StringField(), 

48 "multiattach": wfields.BooleanField(), 

49 "snapshot_id": wfields.UUIDField(nullable=True), 

50 "project_id": wfields.UUIDField(), 

51 "metadata": wfields.JsonField(), 

52 "bootable": wfields.BooleanField() 

53 } 

54 

55 def accept(self, visitor): 

56 raise NotImplementedError()