2 # Thierry Parmentelat - INRIA
7 from PLC.Faults import *
8 from PLC.Method import Method
9 from PLC.Parameter import Parameter, Mixed
10 from PLC.Auth import Auth
12 from PLC.Peers import Peer, Peers
14 from PLC.Sites import Site, Sites
15 from PLC.Keys import Key, Keys
16 from PLC.Nodes import Node, Nodes
17 from PLC.Persons import Person, Persons
18 from PLC.Slices import Slice, Slices
19 from PLC.SliceTags import SliceTags
21 class GetPeerData(Method):
23 Returns lists of local objects that a peer should cache in its
24 database as foreign objects. Also returns the list of foreign
25 nodes in this database, for which the calling peer is
26 authoritative, to assist in synchronization of slivers.
28 See the implementation of RefreshPeer for how this data is used.
31 roles = ['admin', 'peer']
36 'Sites': Parameter([dict], "List of local sites"),
37 'Keys': Parameter([dict], "List of local keys"),
38 'Nodes': Parameter([dict], "List of local nodes"),
39 'Persons': Parameter([dict], "List of local users"),
40 'Slices': Parameter([dict], "List of local slices"),
41 'db_time': Parameter(float, "(Debug) Database fetch time"),
44 def call (self, auth):
47 # Filter out various secrets
48 node_fields = [ field for field in Node.fields if field \
49 not in ['boot_nonce', 'key', 'session', 'root_person_ids']]
50 node_fields += ['hrn']
51 nodes = Nodes(self.api, {'peer_id': None}, node_fields);
52 # filter out whitelisted nodes
53 nodes = [ n for n in nodes if not n['slice_ids_whitelist']]
56 person_fields = [ field for field in Person.fields if field \
57 not in ['password', 'verification_key', 'verification_expires']]
59 site_fields = Site.fields
60 slice_fields = Slice.fields
62 person_fields += ['sfa_created','hrn']
63 site_fields += ['sfa_created','hrn']
64 slice_fields +=['sfa_created','hrn']
66 # XXX Optimize to return only those Persons, Keys, and Slices
67 # necessary for slice creation on the calling peer's nodes.
69 # filter out special person
71 persons = Persons(self.api, {'~email':[self.api.config.PLC_API_MAINTENANCE_USER, self.api.config.PLC_ROOT_USER], 'peer_id': None}, person_fields)
73 # filter out system slices
74 system_slice_ids = SliceTags(self.api, {'name': 'system', 'value': '1'}).dict('slice_id')
75 slices = Slices(self.api, {'peer_id': None,'~slice_id':system_slice_ids.keys()}, slice_fields)
77 sites = Sites(self.api, {'peer_id': None}, site_fields)
79 # filter out objects with sfa_created=True
80 filtered_sites = [site for site in sites if site.get('sfa_created', None) != 'True']
81 filtered_slices = [slice for slice in slices if slice.get('sfa_created', None) != 'True']
82 filtered_persons = [person for person in persons if person.get('sfa_created', None) != 'True']
85 # handle peers with old version of MyPLC that does not support 'sfa_created' and 'hrn' fields for Site/Slice/Person
87 # XXX Optimize to return only those Persons, Keys, and Slices
88 # necessary for slice creation on the calling peer's nodes.
90 # filter out special person
92 filtered_persons = Persons(self.api, {'~email':[self.api.config.PLC_API_MAINTENANCE_USER, self.api.config.PLC_ROOT_USER], 'peer_id': None}, person_fields)
94 # filter out system slices
95 system_slice_ids = SliceTags(self.api, {'name': 'system', 'value': '1'}).dict('slice_id')
96 filtered_slices = Slices(self.api, {'peer_id': None,
97 '~slice_id':system_slice_ids.keys()}, slice_fields)
99 filtered_sites = Sites(self.api, {'peer_id': None}, site_fields)
103 'Sites': filtered_sites,
104 'Keys': Keys(self.api, {'peer_id': None}),
106 'Persons': filtered_persons,
107 'Slices': filtered_slices,
111 if isinstance(self.caller, Peer):
112 result['PeerNodes'] = Nodes(self.api, {'peer_id': self.caller['peer_id']})
114 result['db_time'] = time.time() - start