1 from PLC.Faults import *
2 from PLC.Method import Method
3 from PLC.Parameter import Parameter, Mixed
4 from PLC.SliceAttributes import SliceAttribute, SliceAttributes
5 from PLC.Slices import Slice, Slices
6 from PLC.Nodes import Node, Nodes
7 from PLC.Auth import PasswordAuth
9 class GetSliceAttributes(Method):
11 Get an array of structs containing the values of slice and sliver
12 attributes. An attribute is a sliver attribute if the node_id
13 field is set. If slice_attribute_id_list is specified, only the
14 specified attributes will be queried, if set.
16 Users may only query attributes of slices or slivers of which they
17 are members. PIs may only query attributes of slices or slivers at
18 their sites, or of which they are members. Admins may query
19 attributes of any slice or sliver.
22 roles = ['admin', 'pi', 'user']
26 Mixed(Slice.fields['slice_id'],
27 Slice.fields['name']),
28 [SliceAttribute.fields['slice_attribute_id']],
31 returns = [SliceAttribute.fields]
33 def call(self, auth, slice_id_or_name, slice_attribute_id_list = None):
34 slices = Slices(self.api, [slice_id_or_name]).values()
36 raise PLCInvalidArgument, "No such slice"
39 if 'admin' not in self.caller['roles']:
40 if self.caller['person_id'] in slice['person_ids']:
42 elif 'pi' not in self.caller['roles']:
43 raise PLCPermissionDenied, "Not a member of the specified slice"
44 elif slice['site_id'] not in self.caller['site_ids']:
45 raise PLCPermissionDenied, "Specified slice not associated with any of your sites"
47 if slice_attribute_id_list is None:
48 slice_attribute_id_list = slice['slice_attribute_ids']
50 if set(slice_attribute_id_list).intersection(slice['slice_attribute_ids']) != \
51 set(slice_attribute_id_list):
52 raise PLCInvalidArgument, "Invalid slice attribute ID(s)"
54 slice_attributes = SliceAttributes(self.api, slice_attribute_id_list).values()
55 # turn each slice attribute into a real dict
56 slice_attributes = [dict(slice_attribute) \
57 for slice_attribute in slice_attributes]
59 return slice_attributes