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

1# -*- encoding: utf-8 -*- 

2# Copyright (c) 2015 b<>com 

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 compute_resource 

20from watcher.objects import base 

21from watcher.objects import fields as wfields 

22 

23 

24class InstanceState(enum.Enum): 

25 ACTIVE = 'active' # Instance is running 

26 BUILDING = 'building' # Instance only exists in DB 

27 PAUSED = 'paused' 

28 SUSPENDED = 'suspended' # Instance is suspended to disk. 

29 STOPPED = 'stopped' # Instance is shut off, the disk image is still there. 

30 RESCUED = 'rescued' # A rescue image is running with the original image 

31 # attached. 

32 RESIZED = 'resized' # an Instance with the new size is active. 

33 SHELVED = 'shelved' 

34 

35 SOFT_DELETED = 'soft-delete' 

36 # still available to restore. 

37 DELETED = 'deleted' # Instance is permanently deleted. 

38 

39 ERROR = 'error' 

40 

41 

42@base.WatcherObjectRegistry.register_if(False) 

43class Instance(compute_resource.ComputeResource): 

44 

45 fields = { 

46 # If the resource is excluded by the scope, 

47 # 'watcher_exclude' property will be set True. 

48 "watcher_exclude": wfields.BooleanField(default=False), 

49 "name": wfields.StringField(), 

50 "state": wfields.StringField(default=InstanceState.ACTIVE.value), 

51 "memory": wfields.NonNegativeIntegerField(), 

52 "disk": wfields.NonNegativeIntegerField(), 

53 "vcpus": wfields.NonNegativeIntegerField(), 

54 "metadata": wfields.JsonField(), 

55 "project_id": wfields.UUIDField(), 

56 "locked": wfields.BooleanField(default=False), 

57 } 

58 

59 def accept(self, visitor): 

60 raise NotImplementedError()