2 from types import StringTypes
3 from collections import defaultdict
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
19 rspec_to_slice_tag = {'max_rate':'net_max_rate'}
21 def __init__(self, driver):
24 def get_slivers(self, xrn, node=None):
25 hrn, type = urn_to_hrn(xrn)
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)
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
37 all_slice_tag_ids = set()
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'])
46 for person in all_persons_list:
47 all_persons[person['person_id']] = person
49 # Build up list of keys
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'])
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)
62 for slice_tag in all_slice_tags_list:
63 all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
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']:
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'],
79 # All (per-node and global) attributes for this slice
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 = []
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']})
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
101 if slice_tag not in slice_tags:
102 attributes.append({'tagname': slice_tag['tagname'],
103 'value': slice_tag['value']})
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
109 if slice_tag['tagname'] not in sliver_attributes:
110 attributes.append({'tagname': slice_tag['tagname'],
111 'value': slice_tag['value']})
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
119 'name': slice['name'],
120 'slice_id': slice['slice_id'],
121 'instantiation': slice['instantiation'],
122 'expires': slice['expires'],
124 'attributes': attributes
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
136 # get this slice's authority (site)
137 slice_authority = get_authority(hrn)
139 # get this site's authority (sfa root authority or sub authority)
140 site_authority = get_authority(slice_authority).lower()
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:
151 def get_sfa_peer(self, xrn):
152 hrn, type = urn_to_hrn(xrn)
154 # return the authority for this hrn or None if we are the authority
156 slice_authority = get_authority(hrn)
157 site_authority = get_authority(slice_authority)
159 if site_authority != self.driver.hrn:
160 sfa_peer = site_authority
164 def verify_slice_leases(self, slice, rspec_requested_leases, peer):
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()
169 requested_leases = []
170 for lease in rspec_requested_leases:
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'])
177 slice_name = xrn_to_ext_slicename(lease['slice_id'])
178 if slice_name != slice['name']:
180 elif Xrn(lease['component_id']).get_authority_urn().split(':')[0] != self.driver.hrn:
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)
193 # prepare actual slice leases by lease_id
196 leases_by_id[lease['lease_id']] = {'name': lease['name'], 'hostname': lease['hostname'], \
197 't_from': lease['t_from'], 't_until': lease['t_until']}
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)
206 kept_leases_id.append(lease_id)
207 requested_leases.remove(leases_by_id[lease_id])
208 added_leases = requested_leases
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'])
219 logger.log_exc('Failed to add/remove slice leases')
224 def verify_slice_nodes(self, slice_urn, slice, rspec_nodes, peer):
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()
232 hostname = hostname.strip()
234 hostname = xrn_to_hostname(component_id)
236 slivers[hostname] = {'client_id': client_id, 'component_id': component_id}
238 nodes = self.driver.shell.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
239 current_slivers = [node['hostname'] for node in nodes]
241 # remove nodes not in rspec
242 deleted_nodes = list(set(current_slivers).difference(slivers.keys()))
244 # add nodes from rspec
245 added_nodes = list(set(slivers.keys()).difference(current_slivers))
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)
254 logger.log_exc('Failed to add/remove slice from nodes')
256 slices = self.driver.shell.GetSlices(slice['name'], ['node_ids'])
257 resulting_nodes = self.driver.shell.GetNodes(slices[0]['node_ids'])
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')
270 return resulting_nodes
272 def free_egre_key(self):
274 for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
275 used.add(int(tag['value']))
277 for i in range(1, 256):
282 raise KeyError("No more EGRE keys available")
286 def verify_slice_links(self, slice, requested_links, nodes):
288 if not requested_links:
291 # exit if links are not supported here
292 topology = Topology()
296 # build dict of 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)
305 for interface in interfaces:
306 interfaces_dict[interface['interface_id']] = interface
311 slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
314 slice_tags.append({'name': 'netns', 'value': '1'})
317 # need to update the attribute string?
318 slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
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 ifname_parts = ifname1.split(':')
324 node_raw = ifname_parts[0]
326 if len(ifname_parts) > 1:
327 device = ifname_parts[1]
328 node_id = int(node_raw.replace('node', ''))
329 node = nodes_dict[node_id]
330 if1 = interfaces_dict[node['interface_ids'][0]]
332 topo_rspec = VLink.get_topo_rspec(link, ipaddr)
334 slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
336 slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
337 #self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
339 self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
343 def handle_peer(self, site, slice, persons, peer):
348 self.driver.shell.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
350 self.driver.shell.DeleteSite(site['site_id'])
356 self.driver.shell.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
358 self.driver.shell.DeleteSlice(slice['slice_id'])
362 for person in persons:
364 self.driver.shell.BindObjectToPeer('person',
365 person['person_id'], peer['shortname'], person['peer_person_id'])
367 for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
369 self.driver.shell.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
371 self.driver.shell.DeleteKey(key['key_id'])
372 logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
374 self.driver.shell.DeletePerson(person['person_id'])
379 def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
380 (slice_hrn, type) = urn_to_hrn(slice_xrn)
381 top_auth_hrn = top_auth(slice_hrn)
382 if top_auth_hrn == self.driver.hrn:
383 # login base can't be longer than 20 characters
384 slicename = hrn_to_pl_slicename(slice_hrn)
385 authority_name = slicename.split('_')[0]
386 login_base = authority_name[:20]
388 login_base = hrn_to_ext_loginbase(slice_hrn)
389 authority_name = login_base
391 sites = self.driver.shell.GetSites(login_base)
393 # create new site record
394 site = {'name': 'sfa.%s' % authority_name,
395 'abbreviated_name': authority_name,
396 'login_base': login_base,
400 'peer_site_id': None}
402 site['peer_site_id'] = slice_record.get('site_id', None)
403 site['site_id'] = self.driver.shell.AddSite(site)
404 # exempt federated sites from monitor policies
405 self.driver.shell.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101")
407 # # is this still necessary?
408 # # add record to the local registry
409 # if sfa_peer and slice_record:
410 # peer_dict = {'type': 'authority', 'hrn': site_hrn, \
411 # 'peer_authority': sfa_peer, 'pointer': site['site_id']}
412 # self.registry.register_peer_object(self.credential, peer_dict)
416 # unbind from peer so we can modify if necessary. Will bind back later
417 self.driver.shell.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
422 def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, expiration, options={}):
423 top_auth_hrn = top_auth(slice_hrn)
424 if top_auth_hrn == self.driver.hrn:
425 slicename = hrn_to_pl_slicename(slice_hrn)
426 parts = slicename.split("_")
427 login_base = parts[0]
429 login_base = hrn_to_ext_loginbase(slice_hrn)
430 slicename = xrn_to_ext_slicename(slice_hrn)
432 slices = self.driver.shell.GetSlices([slicename])
433 expires = int(datetime_to_epoch(utcparse(expiration)))
435 slice = {'name': slicename,
436 'url': slice_record.get('url', slice_hrn),
437 'description': slice_record.get('description', slice_hrn)}
439 slice['slice_id'] = self.driver.shell.AddSlice(slice)
440 slice['node_ids'] = []
441 slice['person_ids'] = []
443 self.driver.shell.SetSliceHrn(int(slice['slice_id']), slice_hrn)
445 if peer and slice_record:
446 slice['peer_slice_id'] = slice_record.get('slice_id', None)
448 self.driver.shell.UpdateSlice(slice['slice_id'], {'expires': expires})
452 if self.driver.shell.GetSliceHrn(slice['slice_id']) != slice_hrn:
453 self.driver.shell.SetSliceHrn(slice['slice_id'], slice_hrn)
455 if peer and slice_record:
456 slice['peer_slice_id'] = slice_record.get('slice_id', None)
457 # unbind from peer so we can modify if necessary. Will bind back later
458 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
460 #Update expiration if necessary
461 if slice['expires'] != expires:
462 self.driver.shell.UpdateSlice( slice['slice_id'], {'expires' : expires})
466 #def get_existing_persons(self, users):
467 def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
469 users_by_site = defaultdict(list)
472 user['urn'] = user['urn'].lower()
473 hrn, type = urn_to_hrn(user['urn'])
474 username = get_leaf(hrn)
475 user['username'] = username
477 top_auth_hrn = top_auth(hrn)
479 if top_auth_hrn == self.driver.hrn:
480 login_base = PlXrn(xrn=user['urn']).pl_login_base()
482 login_base = hrn_to_ext_loginbase(hrn)
484 user['site'] = login_base
486 user['email'] = user['email'].lower()
487 users_by_email[user['email']] = user
488 users_dict[user['email']] = user
490 users_by_site[user['site']].append(user)
492 # start building a list of existing users
493 existing_user_ids = []
494 existing_user_ids_filter = []
496 existing_user_ids_filter.extend(users_by_email.keys())
498 for login_base in users_by_site:
499 users = users_by_site[login_base]
501 existing_user_ids_filter.append(user['username']+'@geni.net')
503 if existing_user_ids_filter:
504 # get existing users by email
505 existing_users = self.driver.shell.GetPersons({'email': existing_user_ids_filter},
506 ['person_id', 'key_ids', 'email'])
507 existing_user_ids.extend([user['email'] for user in existing_users])
510 # get a list of user sites (based on requeste user urns
511 site_list = self.driver.shell.GetSites(users_by_site.keys(), \
512 ['site_id', 'login_base', 'person_ids'])
513 # get all existing users at these sites
516 for site in site_list:
517 sites[site['site_id']] = site
518 site_user_ids.extend(site['person_ids'])
520 existing_site_persons_list = self.driver.shell.GetPersons(site_user_ids,
521 ['person_id', 'key_ids', 'email', 'site_ids'])
523 # all requested users are either existing users or new (added) users
524 for login_base in users_by_site:
525 requested_site_users = users_by_site[login_base]
526 for requested_user in requested_site_users:
528 for existing_user in existing_site_persons_list:
529 for site_id in existing_user['site_ids']:
531 site = sites[site_id]
532 if login_base == site['login_base'] and \
533 existing_user['email'].startswith(requested_user['username']+'@'):
534 existing_user_ids.append(existing_user['email'])
535 requested_user['email'] = existing_user['email']
536 users_dict[existing_user['email']] = requested_user
542 if user_found == False:
543 fake_email = requested_user['username'] + '@geni.net'
544 requested_user['email'] = fake_email
545 users_dict[fake_email] = requested_user
547 # requested slice users
548 requested_user_ids = users_dict.keys()
549 # existing slice users
550 existing_slice_users_filter = {'person_id': slice_record.get('person_ids', [])}
551 existing_slice_users = self.driver.shell.GetPersons(existing_slice_users_filter,
552 ['person_id', 'key_ids', 'email'])
553 existing_slice_user_ids = [user['email'] for user in existing_slice_users]
555 # users to be added, removed or updated
556 added_user_ids = set(requested_user_ids).difference(existing_user_ids)
557 added_slice_user_ids = set(requested_user_ids).difference(existing_slice_user_ids)
558 removed_user_ids = set(existing_slice_user_ids).difference(requested_user_ids)
559 updated_user_ids = set(existing_slice_user_ids).intersection(requested_user_ids)
561 # Remove stale users (only if we are not appending).
563 append = options.get('append', True)
565 for removed_user_id in removed_user_ids:
566 self.driver.shell.DeletePersonFromSlice(removed_user_id, slice_record['name'])
567 # update_existing users
568 updated_users_list = [user for user in users_dict.values() if user['email'] in \
570 self.verify_keys(existing_slice_users, updated_users_list, peer, options)
574 for added_user_id in added_user_ids:
575 added_user = users_dict[added_user_id]
576 hrn, type = urn_to_hrn(added_user['urn'])
578 'first_name': added_user.get('first_name', hrn),
579 'last_name': added_user.get('last_name', hrn),
580 'email': added_user_id,
581 #'peer_person_id': None,
583 #'key_ids': added_user.get('key_ids', []),
585 person['person_id'] = self.driver.shell.AddPerson(person)
586 self.driver.shell.AddRoleToPerson('user', int(person['person_id']))
588 if self.driver.shell.GetPersonHrn(int(person['person_id'])) != hrn:
589 self.driver.shell.SetPersonHrn(int(person['person_id']), hrn)
592 person['peer_person_id'] = added_user['person_id']
593 added_persons.append(person)
596 self.driver.shell.UpdatePerson(person['person_id'], {'enabled': True})
599 self.driver.shell.AddPersonToSite(added_user_id, added_user['site'])
601 for key_string in added_user.get('keys', []):
602 key = {'key':key_string, 'key_type':'ssh'}
603 key['key_id'] = self.driver.shell.AddPersonKey(person['person_id'], key)
604 if 'keys' not in person:
606 person['keys'].append(key)
608 # add the registry record
610 # peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
611 # 'pointer': person['person_id']}
612 # self.registry.register_peer_object(self.credential, peer_dict)
614 for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
615 # add person to the slice
616 self.driver.shell.AddPersonToSlice(added_slice_user_id, slice_record['name'])
617 # if this is a peer record then it should already be bound to a peer.
618 # no need to return worry about it getting bound later
623 def verify_keys(self, persons, users, peer, options={}):
626 for person in persons:
627 key_ids.extend(person['key_ids'])
628 keylist = self.driver.shell.GetKeys(key_ids, ['key_id', 'key'])
631 keydict[key['key']] = key['key_id']
632 existing_keys = keydict.keys()
634 for person in persons:
635 persondict[person['email']] = person
641 user_keys = user.get('keys', [])
642 updated_persons.append(user)
643 for key_string in user_keys:
644 requested_keys.append(key_string)
645 if key_string not in existing_keys:
646 key = {'key': key_string, 'key_type': 'ssh'}
649 person = persondict[user['email']]
650 self.driver.shell.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
651 key['key_id'] = self.driver.shell.AddPersonKey(user['email'], key)
653 key_index = user_keys.index(key['key'])
654 remote_key_id = user['key_ids'][key_index]
655 self.driver.shell.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
659 self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
661 # remove old keys (only if we are not appending)
662 append = options.get('append', True)
664 removed_keys = set(existing_keys).difference(requested_keys)
665 for existing_key_id in keydict:
666 if keydict[existing_key_id] in removed_keys:
669 self.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
670 self.driver.shell.DeleteKey(existing_key_id)
674 def verify_slice_attributes(self, slice, requested_slice_attributes, options={}, admin=False):
675 append = options.get('append', True)
676 # get list of attributes users ar able to manage
677 filter = {'category': '*slice*'}
679 filter['|roles'] = ['user']
680 slice_attributes = self.driver.shell.GetTagTypes(filter)
681 valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
683 # get sliver attributes
684 added_slice_attributes = []
685 removed_slice_attributes = []
686 ignored_slice_attribute_names = []
687 existing_slice_attributes = self.driver.shell.GetSliceTags({'slice_id': slice['slice_id']})
689 # get attributes that should be removed
690 for slice_tag in existing_slice_attributes:
691 if slice_tag['tagname'] in ignored_slice_attribute_names:
692 # If a slice already has a admin only role it was probably given to them by an
693 # admin, so we should ignore it.
694 ignored_slice_attribute_names.append(slice_tag['tagname'])
696 # If an existing slice attribute was not found in the request it should
698 attribute_found=False
699 for requested_attribute in requested_slice_attributes:
700 if requested_attribute['name'] == slice_tag['tagname'] and \
701 requested_attribute['value'] == slice_tag['value']:
705 if not attribute_found and not append:
706 removed_slice_attributes.append(slice_tag)
708 # get attributes that should be added:
709 for requested_attribute in requested_slice_attributes:
710 # if the requested attribute wasn't found we should add it
711 if requested_attribute['name'] in valid_slice_attribute_names:
712 attribute_found = False
713 for existing_attribute in existing_slice_attributes:
714 if requested_attribute['name'] == existing_attribute['tagname'] and \
715 requested_attribute['value'] == existing_attribute['value']:
718 if not attribute_found:
719 added_slice_attributes.append(requested_attribute)
722 # remove stale attributes
723 for attribute in removed_slice_attributes:
725 self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
727 logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
728 % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))
730 # add requested_attributes
731 for attribute in added_slice_attributes:
733 self.driver.shell.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
735 logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
736 % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))