3 from PLC.Faults import *
4 from PLC.Method import Method
5 from PLC.Parameter import Parameter, Mixed
6 from PLC.Filter import Filter
7 from PLC.Nodes import Node, Nodes
8 from PLC.Persons import Person, Persons
9 from PLC.Auth import Auth
11 admin_only = ['key', 'session', 'boot_nonce' ]
13 class GetNodes(Method):
15 Returns an array of structs containing details about nodes. If
16 node_filter is specified and is an array of node identifiers or
17 hostnames, or a struct of node attributes, only nodes matching the
18 filter will be returned.
20 If return_fields is specified, only the specified details will be
21 returned. NOTE that if return_fields is unspecified, the complete
22 set of native fields are returned, which DOES NOT include tags at
25 Some fields may only be viewed by admins.
28 roles = ['admin', 'pi', 'user', 'tech', 'node', 'anonymous']
32 Mixed([Mixed(Node.fields['node_id'],
33 Node.fields['hostname'])],
34 Parameter(str,"hostname"),
35 Parameter(int,"node_id"),
37 Parameter([str], "List of fields to return", nullok = True),
40 returns = [Node.fields]
43 def call(self, auth, node_filter = None, return_fields = None):
45 # Must query at least slice_ids_whitelist
46 if return_fields is not None:
47 added_fields = set(['slice_ids_whitelist', 'site_id']).difference(return_fields)
48 return_fields += added_fields
52 # Get node information
53 nodes = Nodes(self.api, node_filter, return_fields)
55 # Remove admin only fields
56 if not isinstance(self.caller, Person) or \
57 'admin' not in self.caller['roles']:
62 slice_ids.update(self.caller['slice_ids'])
63 if isinstance(self.caller, Node):
64 site_ids.update([self.caller['site_id']])
66 site_ids.update(self.caller['site_ids'])
68 # if node has whitelist, only return it if users is at
69 # the same site or user has a slice on the whitelist
71 if 'site_id' in node and \
72 site_ids.intersection([node['site_id']]):
74 if 'slice_ids_whitelist' in node and \
75 node['slice_ids_whitelist'] and \
76 not slice_ids.intersection(node['slice_ids_whitelist']):
79 # remove remaining admin only fields
81 for field in admin_only:
85 # remove added fields if not specified
88 for field in added_fields: