Source Code for Module yakumo.nova.v2.image

 1  # Copyright 2014-2017 by Akira Yoshiyama <akirayoshiyama@gmail.com>. 
 2  # All Rights Reserved. 
 3  # 
 4  #    Licensed under the Apache License, Version 2.0 (the "License"); you may 
 5  #    not use this file except in compliance with the License. You may obtain 
 6  #    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, WITHOUT 
12  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
13  #    License for the specific language governing permissions and limitations 
14  #    under the License. 
15   
16  """ 
17  Resource class and its manager for images in Compute API v2 
18  """ 
19   
20  from yakumo import base 
21  from yakumo import mapper 
22  from yakumo import utils 
23   
24   
25  ATTRIBUTE_MAPPING = [ 
26      ('id', 'id', mapper.Noop), 
27      ('name', 'name', mapper.Noop), 
28      ('size', 'OS-EXT-IMG-SIZE:size', mapper.Noop), 
29      ('min_ram', 'minRam', mapper.Noop), 
30      ('min_disk', 'minDisk', mapper.Noop), 
31      ('metadata', 'metadata', mapper.Noop), 
32      ('status', 'status', mapper.Noop), 
33      ('created_at', 'created', mapper.Noop), 
34      ('updated_at', 'updated', mapper.Noop), 
35  ] 
36   
37   
38 -class Resource(base.Resource): 
39      """Resource class for images in Compute API v2""" 
40   
41 -    def get_metadata(self): 
42          """Get extra specs for a flavor 
43   
44          @return: Metadata 
45          @rtype: dir 
46          """ 
47          ret = self._http.get(self._url_resource_path, self._id, 'metadata') 
48          return ret.get('metadata', {}) 
49   
50 -    def set_metadata(self, **metadata): 
51          """ 
52          Create metadata for a image 
53   
54          @keyword metadata: Metadata with key=value 
55          @type metadata: dict 
56          @rtype: None 
57          """ 
58          metadata = {k: str(v) for k, v in metadata.items()} 
59          self._http.post(self._url_resource_path, self._id, 'metadata', 
60                          data=dict(metadata=metadata)) 
61          self.reload() 
62   
63 -    def unset_metadata(self, *keys): 
64          """ 
65          Delete one metadata from an image 
66   
67          @param keys: keys of metadata to remove 
68          @type keys: [str] 
69          @rtype: None 
70          """ 
71          for key in keys: 
72              self._http.delete(self._url_resource_path, self._id, 'metadata', 
73                                key) 
74          self.reload() 
75   
76   
77 -class Manager(base.Manager): 
78      """Manager class for images in Compute API v2""" 
79   
80      resource_class = Resource 
81      service_type = 'compute' 
82      _attr_mapping = ATTRIBUTE_MAPPING 
83      _hidden_methods = ["create", "update"] 
84      _json_resource_key = 'image' 
85      _json_resources_key = 'images' 
86      _url_resource_path = '/images' 
87      _url_resource_list_path = '/images/detail' 
88