Merge branch 'geni-v3' of ssh://git.planet-lab.org/git/sfa into geni-v3
[sfa.git] / sfa / planetlab / plslices.py
1 import time
2 from types import StringTypes
3 from collections import defaultdict
4
5 from sfa.util.sfatime import utcparse, datetime_to_epoch
6 from sfa.util.sfalogging import logger
7 from sfa.util.xrn import Xrn, get_leaf, get_authority, urn_to_hrn
8 from sfa.rspecs.rspec import RSpec
9 from sfa.planetlab.vlink import VLink
10 from sfa.planetlab.topology import Topology
11 from sfa.planetlab.plxrn import PlXrn, hrn_to_pl_slicename, xrn_to_hostname, xrn_to_ext_slicename, hrn_to_ext_loginbase, top_auth
12 from sfa.storage.model import SliverAllocation
13 from sfa.storage.alchemy import dbsession
14
15 MAXINT =  2L**31-1
16
17 class PlSlices:
18
19     rspec_to_slice_tag = {'max_rate':'net_max_rate'}
20
21     def __init__(self, driver):
22         self.driver = driver
23
24     def get_slivers(self, xrn, node=None):
25         hrn, type = urn_to_hrn(xrn)
26          
27         slice_name = hrn_to_pl_slicename(hrn)
28         # XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
29         # of doing all of this?
30         #return self.driver.shell.GetSliceTicket(self.auth, slice_name) 
31         
32         # from PLCAPI.GetSlivers.get_slivers()
33         slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
34         slices = self.driver.shell.GetSlices(slice_name, slice_fields)
35         # Build up list of users and slice attributes
36         person_ids = set()
37         all_slice_tag_ids = set()
38         for slice in slices:
39             person_ids.update(slice['person_ids'])
40             all_slice_tag_ids.update(slice['slice_tag_ids'])
41         person_ids = list(person_ids)
42         all_slice_tag_ids = list(all_slice_tag_ids)
43         # Get user information
44         all_persons_list = self.driver.shell.GetPersons({'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
45         all_persons = {}
46         for person in all_persons_list:
47             all_persons[person['person_id']] = person        
48
49         # Build up list of keys
50         key_ids = set()
51         for person in all_persons.values():
52             key_ids.update(person['key_ids'])
53         key_ids = list(key_ids)
54         # Get user account keys
55         all_keys_list = self.driver.shell.GetKeys(key_ids, ['key_id', 'key', 'key_type'])
56         all_keys = {}
57         for key in all_keys_list:
58             all_keys[key['key_id']] = key
59         # Get slice attributes
60         all_slice_tags_list = self.driver.shell.GetSliceTags(all_slice_tag_ids)
61         all_slice_tags = {}
62         for slice_tag in all_slice_tags_list:
63             all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
64            
65         slivers = []
66         for slice in slices:
67             keys = []
68             for person_id in slice['person_ids']:
69                 if person_id in all_persons:
70                     person = all_persons[person_id]
71                     if not person['enabled']:
72                         continue
73                     for key_id in person['key_ids']:
74                         if key_id in all_keys:
75                             key = all_keys[key_id]
76                             keys += [{'key_type': key['key_type'],
77                                     'key': key['key']}]
78             attributes = []
79             # All (per-node and global) attributes for this slice
80             slice_tags = []
81             for slice_tag_id in slice['slice_tag_ids']:
82                 if slice_tag_id in all_slice_tags:
83                     slice_tags.append(all_slice_tags[slice_tag_id]) 
84             # Per-node sliver attributes take precedence over global
85             # slice attributes, so set them first.
86             # Then comes nodegroup slice attributes
87             # Followed by global slice attributes
88             sliver_attributes = []
89
90             if node is not None:
91                 for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
92                     sliver_attributes.append(sliver_attribute['tagname'])
93                     attributes.append({'tagname': sliver_attribute['tagname'],
94                                     'value': sliver_attribute['value']})
95
96             # set nodegroup slice attributes
97             for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
98                 # Do not set any nodegroup slice attributes for
99                 # which there is at least one sliver attribute
100                 # already set.
101                 if slice_tag not in slice_tags:
102                     attributes.append({'tagname': slice_tag['tagname'],
103                         'value': slice_tag['value']})
104
105             for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
106                 # Do not set any global slice attributes for
107                 # which there is at least one sliver attribute
108                 # already set.
109                 if slice_tag['tagname'] not in sliver_attributes:
110                     attributes.append({'tagname': slice_tag['tagname'],
111                                    'value': slice_tag['value']})
112
113             # XXX Sanity check; though technically this should be a system invariant
114             # checked with an assertion
115             if slice['expires'] > MAXINT:  slice['expires']= MAXINT
116             
117             slivers.append({
118                 'hrn': hrn,
119                 'name': slice['name'],
120                 'slice_id': slice['slice_id'],
121                 'instantiation': slice['instantiation'],
122                 'expires': slice['expires'],
123                 'keys': keys,
124                 'attributes': attributes
125             })
126
127         return slivers
128  
129     def get_peer(self, xrn):
130         hrn, type = urn_to_hrn(xrn)
131         # Becaues of myplc federation,  we first need to determine if this
132         # slice belongs to out local plc or a myplc peer. We will assume it 
133         # is a local site, unless we find out otherwise  
134         peer = None
135
136         # get this slice's authority (site)
137         slice_authority = get_authority(hrn)
138
139         # get this site's authority (sfa root authority or sub authority)
140         site_authority = get_authority(slice_authority).lower()
141
142         # check if we are already peered with this site_authority, if so
143         peers = self.driver.shell.GetPeers({}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
144         for peer_record in peers:
145             names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
146             if site_authority in names:
147                 peer = peer_record
148
149         return peer
150
151     def get_sfa_peer(self, xrn):
152         hrn, type = urn_to_hrn(xrn)
153
154         # return the authority for this hrn or None if we are the authority
155         sfa_peer = None
156         slice_authority = get_authority(hrn)
157         site_authority = get_authority(slice_authority)
158
159         if site_authority != self.driver.hrn:
160             sfa_peer = site_authority
161
162         return sfa_peer
163
164     def verify_slice_leases(self, slice, rspec_requested_leases, peer):
165
166         leases = self.driver.shell.GetLeases({'name':slice['name'], 'clip':int(time.time())}, ['lease_id','name', 'hostname', 't_from', 't_until'])
167         grain = self.driver.shell.GetLeaseGranularity()
168
169         requested_leases = []
170         for lease in rspec_requested_leases:
171              requested_lease = {}
172              slice_hrn, _ = urn_to_hrn(lease['slice_id'])
173              top_auth_hrn = top_auth(slice_hrn)
174              if top_auth_hrn == self.driver.hrn:
175                  slice_name = hrn_to_pl_slicename(lease['slice_id'])
176              else:
177                  slice_name = xrn_to_ext_slicename(lease['slice_id'])
178              if slice_name != slice['name']:
179                  continue
180              elif Xrn(lease['component_id']).get_authority_urn().split(':')[0] != self.driver.hrn:
181                  continue
182
183              hostname = xrn_to_hostname(lease['component_id'])
184              # fill the requested node with nitos ids
185              requested_lease['name'] = slice['name']
186              requested_lease['hostname'] = hostname
187              requested_lease['t_from'] = int(lease['start_time'])
188              requested_lease['t_until'] = int(lease['duration']) * grain + int(lease['start_time'])
189              requested_leases.append(requested_lease)
190
191
192
193         # prepare actual slice leases by lease_id  
194         leases_by_id = {}
195         for lease in leases:
196              leases_by_id[lease['lease_id']] = {'name': lease['name'], 'hostname': lease['hostname'], \
197                                                 't_from': lease['t_from'], 't_until': lease['t_until']}
198         
199         added_leases = []
200         kept_leases_id = []
201         deleted_leases_id = []
202         for lease_id in leases_by_id:
203              if leases_by_id[lease_id] not in requested_leases:
204                  deleted_leases_id.append(lease_id)
205              else:
206                  kept_leases_id.append(lease_id)
207                  requested_leases.remove(leases_by_id[lease_id])
208         added_leases = requested_leases
209    
210
211         try:
212             if peer:
213                 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
214             self.driver.shell.DeleteLeases(deleted_leases_id)
215             for lease in added_leases:
216                 self.driver.shell.AddLeases(lease['hostname'], slice['name'], lease['t_from'], lease['t_until'])
217
218         except: 
219             logger.log_exc('Failed to add/remove slice leases')
220
221         return leases
222
223
224     def verify_slice_nodes(self, slice_urn, slice, rspec_nodes, peer):
225         
226         slivers = {}
227         for node in rspec_nodes:
228             hostname = node.get('component_name')
229             client_id = node.get('client_id')
230             component_id = node.get('component_id').strip()    
231             if hostname:
232                 hostname = hostname.strip()
233             elif component_id:
234                 hostname = xrn_to_hostname(component_id)
235             if hostname:
236                 slivers[hostname] = {'client_id': client_id, 'component_id': component_id}
237         
238         nodes = self.driver.shell.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
239         current_slivers = [node['hostname'] for node in nodes]
240
241         # remove nodes not in rspec
242         deleted_nodes = list(set(current_slivers).difference(slivers.keys()))
243
244         # add nodes from rspec
245         added_nodes = list(set(slivers.keys()).difference(current_slivers))        
246
247         try:
248             if peer:
249                 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
250             self.driver.shell.AddSliceToNodes(slice['name'], added_nodes)
251             self.driver.shell.DeleteSliceFromNodes(slice['name'], deleted_nodes)
252             
253         except: 
254             logger.log_exc('Failed to add/remove slice from nodes')
255
256         slices = self.driver.shell.GetSlices(slice['name'], ['node_ids']) 
257         resulting_nodes = self.driver.shell.GetNodes(slices[0]['node_ids'])
258
259         # update sliver allocations
260         for node in resulting_nodes:
261             client_id = slivers[node['hostname']]['client_id']
262             component_id = slivers[node['hostname']]['component_id']
263             sliver_hrn = '%s.%s-%s' % (self.driver.hrn, slice['slice_id'], node['node_id'])
264             sliver_id = Xrn(sliver_hrn, type='sliver').urn
265             record = SliverAllocation(sliver_id=sliver_id, client_id=client_id, 
266                                       component_id=component_id,
267                                       slice_urn = slice_urn, 
268                                       allocation_state='geni_allocated')      
269             record.sync()
270         return resulting_nodes
271
272     def free_egre_key(self):
273         used = set()
274         for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
275                 used.add(int(tag['value']))
276
277         for i in range(1, 256):
278             if i not in used:
279                 key = i
280                 break
281         else:
282             raise KeyError("No more EGRE keys available")
283
284         return str(key)
285
286     def verify_slice_links(self, slice, requested_links, nodes):
287          
288         if not requested_links:
289             return
290
291         # exit if links are not supported here
292         topology = Topology()
293         if not topology:
294             return 
295
296         # build dict of nodes 
297         nodes_dict = {}
298         interface_ids = []
299         for node in nodes:
300             nodes_dict[node['node_id']] = node
301             interface_ids.extend(node['interface_ids'])
302         # build dict of interfaces
303         interfaces = self.driver.shell.GetInterfaces(interface_ids)
304         interfaces_dict = {}
305         for interface in interfaces:
306             interfaces_dict[interface['interface_id']] = interface 
307
308         slice_tags = []
309         
310         # set egre key
311         slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
312     
313         # set netns
314         slice_tags.append({'name': 'netns', 'value': '1'})
315
316         # set cap_net_admin 
317         # need to update the attribute string?
318         slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'}) 
319         
320         for link in requested_links:
321             # get the ip address of the first node in the link
322             ifname1 = Xrn(link['interface1']['component_id']).get_leaf()
323             if ifname1:
324                 ifname_parts = ifname1.split(':')
325                 node_raw = ifname_parts[0]
326                 device = None
327                 if len(ifname_parts) > 1:
328                     device = ifname_parts[1] 
329                 node_id = int(node_raw.replace('node', ''))
330                 node = nodes_dict[node_id]
331                 if1 = interfaces_dict[node['interface_ids'][0]]
332                 ipaddr = if1['ip']
333                 topo_rspec = VLink.get_topo_rspec(link, ipaddr)
334                 # set topo_rspec tag
335                 slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
336                 # set vini_topo tag
337                 slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
338                 #self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id) 
339
340         self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
341                         
342         
343
344     def handle_peer(self, site, slice, persons, peer):
345         if peer:
346             # bind site
347             try:
348                 if site:
349                     self.driver.shell.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
350             except Exception,e:
351                 self.driver.shell.DeleteSite(site['site_id'])
352                 raise e
353             
354             # bind slice
355             try:
356                 if slice:
357                     self.driver.shell.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
358             except Exception,e:
359                 self.driver.shell.DeleteSlice(slice['slice_id'])
360                 raise e 
361
362             # bind persons
363             for person in persons:
364                 try:
365                     self.driver.shell.BindObjectToPeer('person', 
366                                                      person['person_id'], peer['shortname'], person['peer_person_id'])
367
368                     for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
369                         try:
370                             self.driver.shell.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
371                         except:
372                             self.driver.shell.DeleteKey(key['key_id'])
373                             logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
374                 except Exception,e:
375                     self.driver.shell.DeletePerson(person['person_id'])
376                     raise e       
377
378         return slice
379
380     def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
381         (slice_hrn, type) = urn_to_hrn(slice_xrn)
382         top_auth_hrn = top_auth(slice_hrn)
383         if top_auth_hrn == self.driver.hrn:
384             # login base can't be longer than 20 characters
385             slicename = hrn_to_pl_slicename(slice_hrn)
386             authority_name = slicename.split('_')[0]
387             login_base = authority_name[:20]
388         else:
389             login_base = hrn_to_ext_loginbase(slice_hrn)
390             authority_name = login_base
391
392         sites = self.driver.shell.GetSites(login_base)
393         if not sites:
394             # create new site record
395             site = {'name': 'sfa.%s' % authority_name,
396                     'abbreviated_name': authority_name,
397                     'login_base': login_base,
398                     'max_slices': 100,
399                     'max_slivers': 1000,
400                     'enabled': True,
401                     'peer_site_id': None}
402             if peer:
403                 site['peer_site_id'] = slice_record.get('site_id', None)
404             site['site_id'] = self.driver.shell.AddSite(site)
405             # exempt federated sites from monitor policies
406             self.driver.shell.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101")
407
408 #            # is this still necessary?
409 #            # add record to the local registry 
410 #            if sfa_peer and slice_record:
411 #                peer_dict = {'type': 'authority', 'hrn': site_hrn, \
412 #                             'peer_authority': sfa_peer, 'pointer': site['site_id']}
413 #                self.registry.register_peer_object(self.credential, peer_dict)
414         else:
415             site =  sites[0]
416             if peer:
417                 # unbind from peer so we can modify if necessary. Will bind back later
418                 self.driver.shell.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
419
420         return site
421
422
423     def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, expiration, options={}):
424         top_auth_hrn = top_auth(slice_hrn)
425         if top_auth_hrn == self.driver.hrn:
426             slicename = hrn_to_pl_slicename(slice_hrn)
427             parts = slicename.split("_")
428             login_base = parts[0]
429         else:
430             login_base = hrn_to_ext_loginbase(slice_hrn)
431             slicename = xrn_to_ext_slicename(slice_hrn)
432
433         slices = self.driver.shell.GetSlices([slicename]) 
434         expires = int(datetime_to_epoch(utcparse(expiration)))
435         if not slices:
436             slice = {'name': slicename,
437                      'url': slice_record.get('url', slice_hrn), 
438                      'description': slice_record.get('description', slice_hrn)}
439             # add the slice                          
440             slice['slice_id'] = self.driver.shell.AddSlice(slice)
441             slice['node_ids'] = []
442             slice['person_ids'] = []
443             # set the slice HRN
444             self.driver.shell.SetSliceHrn(int(slice['slice_id']), slice_hrn)
445
446             if peer and slice_record:
447                 slice['peer_slice_id'] = slice_record.get('slice_id', None)
448             # set the expiration
449             self.driver.shell.UpdateSlice(slice['slice_id'], {'expires': expires}) 
450         else:
451             slice = slices[0]
452             # Check slice HRN
453             if self.driver.shell.GetSliceHrn(slice['slice_id']) != slice_hrn:
454                 self.driver.shell.SetSliceHrn(slice['slice_id'], slice_hrn)
455
456             if peer and slice_record:
457                 slice['peer_slice_id'] = slice_record.get('slice_id', None)
458                 # unbind from peer so we can modify if necessary. Will bind back later
459                 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
460             
461                 #Update expiration if necessary
462             if slice['expires'] != expires:
463                 self.driver.shell.UpdateSlice( slice['slice_id'], {'expires' : expires})
464        
465         return slice
466
467     #def get_existing_persons(self, users):
468     def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
469         users_by_email = {}
470         users_by_site = defaultdict(list)
471         users_dict = {}
472         for user in users:
473             user['urn'] = user['urn'].lower()
474             hrn, type = urn_to_hrn(user['urn'])
475             username = get_leaf(hrn)
476             user['username'] = username
477
478             top_auth_hrn = top_auth(hrn)
479
480             if top_auth_hrn == self.driver.hrn:
481                 login_base = PlXrn(xrn=user['urn']).pl_login_base()
482             else:
483                 login_base = hrn_to_ext_loginbase(hrn)
484
485             user['site'] = login_base
486             if 'email' in user:
487                 user['email'] = user['email'].lower()
488                 users_by_email[user['email']] = user
489                 users_dict[user['email']] = user
490             else:
491                 users_by_site[user['site']].append(user)
492
493         # start building a list of existing users
494         existing_user_ids = []
495         existing_user_ids_filter = []
496         if users_by_email:
497             existing_user_ids_filter.extend(users_by_email.keys())
498         if users_by_site:
499             for login_base in users_by_site:
500                 users = users_by_site[login_base]
501                 for user in users:
502                     existing_user_ids_filter.append(user['username']+'@geni.net') 
503
504         if existing_user_ids_filter:
505             # get existing users by email 
506             existing_users = self.driver.shell.GetPersons({'email': existing_user_ids_filter},
507                                                         ['person_id', 'key_ids', 'email'])
508             existing_user_ids.extend([user['email'] for user in existing_users])
509
510         if users_by_site:
511             # get a list of user sites (based on requeste user urns
512             site_list = self.driver.shell.GetSites(users_by_site.keys(), \
513                 ['site_id', 'login_base', 'person_ids'])
514             # get all existing users at these sites
515             sites = {}
516             site_user_ids = []
517             for site in site_list:
518                 sites[site['site_id']] = site
519                 site_user_ids.extend(site['person_ids'])
520
521             existing_site_persons_list = self.driver.shell.GetPersons(site_user_ids,
522                                                                     ['person_id', 'key_ids', 'email', 'site_ids'])
523
524             # all requested users are either existing users or new (added) users      
525             for login_base in users_by_site:
526                 requested_site_users = users_by_site[login_base]
527                 for requested_user in requested_site_users:
528                     user_found = False
529                     for existing_user in existing_site_persons_list:
530                         for site_id in existing_user['site_ids']:
531                             if site_id in sites:
532                                 site = sites[site_id]
533                                 if login_base == site['login_base'] and \
534                                    existing_user['email'].startswith(requested_user['username']+'@'):
535                                     existing_user_ids.append(existing_user['email'])
536                                     requested_user['email'] = existing_user['email']
537                                     users_dict[existing_user['email']] = requested_user
538                                     user_found = True
539                                     break
540                         if user_found:
541                             break
542
543                     if user_found == False:
544                         fake_email = requested_user['username'] + '@geni.net'
545                         requested_user['email'] = fake_email
546                         users_dict[fake_email] = requested_user
547
548         # requested slice users        
549         requested_user_ids = users_dict.keys()
550         # existing slice users
551         existing_slice_users_filter = {'person_id': slice_record.get('person_ids', [])}
552         existing_slice_users = self.driver.shell.GetPersons(existing_slice_users_filter,
553                                                           ['person_id', 'key_ids', 'email'])
554         existing_slice_user_ids = [user['email'] for user in existing_slice_users]
555
556         # users to be added, removed or updated
557         added_user_ids = set(requested_user_ids).difference(existing_user_ids)
558         added_slice_user_ids = set(requested_user_ids).difference(existing_slice_user_ids)
559         removed_user_ids = set(existing_slice_user_ids).difference(requested_user_ids)
560         updated_user_ids = set(existing_slice_user_ids).intersection(requested_user_ids)
561
562         # Remove stale users (only if we are not appending).
563         # Append by default.
564         append = options.get('append', True)
565         if append == False:
566             for removed_user_id in removed_user_ids:
567                 self.driver.shell.DeletePersonFromSlice(removed_user_id, slice_record['name'])
568         # update_existing users
569         updated_users_list = [user for user in users_dict.values() if user['email'] in \
570           updated_user_ids]
571         self.verify_keys(existing_slice_users, updated_users_list, peer, options)
572
573         added_persons = []
574         # add new users
575         for added_user_id in added_user_ids:
576             added_user = users_dict[added_user_id]
577             hrn, type = urn_to_hrn(added_user['urn'])
578             person = {
579                 'first_name': added_user.get('first_name', hrn),
580                 'last_name': added_user.get('last_name', hrn),
581                 'email': added_user_id,
582                 #'peer_person_id': None,
583                 #'keys': [],
584                 #'key_ids': added_user.get('key_ids', []),
585             }
586             person['person_id'] = self.driver.shell.AddPerson(person)
587             self.driver.shell.AddRoleToPerson('user', int(person['person_id']))
588             # check user HRN
589             if self.driver.shell.GetPersonHrn(int(person['person_id'])) != hrn:
590                 self.driver.shell.SetPersonHrn(int(person['person_id']), hrn)
591
592             if peer:
593                 person['peer_person_id'] = added_user['person_id']
594             added_persons.append(person)
595
596             # enable the account 
597             self.driver.shell.UpdatePerson(person['person_id'], {'enabled': True})
598
599             # add person to site
600             self.driver.shell.AddPersonToSite(added_user_id, added_user['site'])
601
602             for key_string in added_user.get('keys', []):
603                 key = {'key':key_string, 'key_type':'ssh'}
604                 key['key_id'] = self.driver.shell.AddPersonKey(person['person_id'], key)
605                 if 'keys' not in person:
606                     person['keys'] = []
607                 person['keys'].append(key)
608
609             # add the registry record
610 #            if sfa_peer:
611 #                peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
612 #                    'pointer': person['person_id']}
613 #                self.registry.register_peer_object(self.credential, peer_dict)
614
615         for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
616             # add person to the slice 
617             self.driver.shell.AddPersonToSlice(added_slice_user_id, slice_record['name'])
618             # if this is a peer record then it should already be bound to a peer.
619             # no need to return worry about it getting bound later 
620
621         return added_persons
622
623
624     def verify_keys(self, persons, users, peer, options={}):
625         # existing keys 
626         key_ids = []
627         for person in persons:
628             key_ids.extend(person['key_ids'])
629         keylist = self.driver.shell.GetKeys(key_ids, ['key_id', 'key'])
630         keydict = {}
631         for key in keylist:
632             keydict[key['key']] = key['key_id']
633         existing_keys = keydict.keys()
634         persondict = {}
635         for person in persons:
636             persondict[person['email']] = person
637
638         # add new keys
639         requested_keys = []
640         updated_persons = []
641         for user in users:
642             user_keys = user.get('keys', [])
643             updated_persons.append(user)
644             for key_string in user_keys:
645                 requested_keys.append(key_string)
646                 if key_string not in existing_keys:
647                     key = {'key': key_string, 'key_type': 'ssh'}
648                     try:
649                         if peer:
650                             person = persondict[user['email']]
651                             self.driver.shell.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
652                         key['key_id'] = self.driver.shell.AddPersonKey(user['email'], key)
653                         if peer:
654                             key_index = user_keys.index(key['key'])
655                             remote_key_id = user['key_ids'][key_index]
656                             self.driver.shell.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
657
658                     finally:
659                         if peer:
660                             self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
661
662         # remove old keys (only if we are not appending)
663         append = options.get('append', True)
664         if append == False:
665             removed_keys = set(existing_keys).difference(requested_keys)
666             for existing_key_id in keydict:
667                 if keydict[existing_key_id] in removed_keys:
668                     try:
669                         if peer:
670                             self.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
671                         self.driver.shell.DeleteKey(existing_key_id)
672                     except:
673                         pass
674
675     def verify_slice_attributes(self, slice, requested_slice_attributes, options={}, admin=False):
676         append = options.get('append', True)
677         # get list of attributes users ar able to manage
678         filter = {'category': '*slice*'}
679         if not admin:
680             filter['|roles'] = ['user']
681         slice_attributes = self.driver.shell.GetTagTypes(filter)
682         valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
683
684         # get sliver attributes
685         added_slice_attributes = []
686         removed_slice_attributes = []
687         ignored_slice_attribute_names = []
688         existing_slice_attributes = self.driver.shell.GetSliceTags({'slice_id': slice['slice_id']})
689
690         # get attributes that should be removed
691         for slice_tag in existing_slice_attributes:
692             if slice_tag['tagname'] in ignored_slice_attribute_names:
693                 # If a slice already has a admin only role it was probably given to them by an
694                 # admin, so we should ignore it.
695                 ignored_slice_attribute_names.append(slice_tag['tagname'])
696             else:
697                 # If an existing slice attribute was not found in the request it should
698                 # be removed
699                 attribute_found=False
700                 for requested_attribute in requested_slice_attributes:
701                     if requested_attribute['name'] == slice_tag['tagname'] and \
702                        requested_attribute['value'] == slice_tag['value']:
703                         attribute_found=True
704                         break
705
706             if not attribute_found and not append:
707                 removed_slice_attributes.append(slice_tag)
708
709         # get attributes that should be added:
710         for requested_attribute in requested_slice_attributes:
711             # if the requested attribute wasn't found  we should add it
712             if requested_attribute['name'] in valid_slice_attribute_names:
713                 attribute_found = False
714                 for existing_attribute in existing_slice_attributes:
715                     if requested_attribute['name'] == existing_attribute['tagname'] and \
716                        requested_attribute['value'] == existing_attribute['value']:
717                         attribute_found=True
718                         break
719                 if not attribute_found:
720                     added_slice_attributes.append(requested_attribute)
721
722
723         # remove stale attributes
724         for attribute in removed_slice_attributes:
725             try:
726                 self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
727             except Exception, e:
728                 logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
729                                 % (slice['name'], attribute['value'],  attribute.get('node_id'), str(e)))
730
731         # add requested_attributes
732         for attribute in added_slice_attributes:
733             try:
734                 self.driver.shell.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
735             except Exception, e:
736                 logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
737                                 % (slice['name'], attribute['value'],  attribute.get('node_id'), str(e)))
738