1 from types import StringTypes
2 from collections import defaultdict
4 from sfa.util.xrn import get_leaf, get_authority, urn_to_hrn
5 from sfa.util.plxrn import hrn_to_pl_slicename
6 from sfa.util.policy import Policy
7 from sfa.rspecs.rspec import RSpec
8 from sfa.plc.vlink import VLink
9 from sfa.util.xrn import Xrn
10 from sfa.util.sfalogging import logger
12 from sqlalchemy import Column, Integer, String, DateTime
13 from sqlalchemy import Table, Column, MetaData, join, ForeignKey
14 from sfa.storage.model import RegRecord
15 from sfa.storage.alchemy import dbsession,engine
21 rspec_to_slice_tag = {'max_rate':'net_max_rate'}
23 #def __init__(self, api, ttl = .5, origin_hrn=None):
25 ##filepath = path + os.sep + filename
26 #self.policy = Policy(self.api)
27 #self.origin_hrn = origin_hrn
28 #self.registry = api.registries[api.hrn]
29 #self.credential = api.getCredential()
34 def __init__(self, driver):
38 def get_slivers(self, xrn, node=None):
39 hrn, type = urn_to_hrn(xrn)
41 slice_name = hrn_to_pl_slicename(hrn)
42 # XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
43 # of doing all of this?
44 #return self.api.driver.GetSliceTicket(self.auth, slice_name)
48 slice = self.driver.GetSlices(slice_filter = slice_name, filter_type = 'slice_hrn')
51 # Get user information
52 alchemy_person = dbsession.query(RegRecord).filter_by(record_id = slice['record_id_user']).first()
55 sliver_attributes = []
57 if slice['oar_job_id'] is not -1:
58 nodes_all = self.GetNodes({'hostname':slice['node_ids']},
59 ['node_id', 'hostname','site','boot_state'])
60 nodeall_byhostname = dict([(n['hostname'], n) for n in nodes_all])
61 nodes = slice['node_ids']
64 #for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
65 sliver_attribute['tagname'] = 'slab-tag'
66 sliver_attribute['value'] = 'slab-value'
67 sliver_attributes.append(sliver_attribute['tagname'])
68 attributes.append({'tagname': sliver_attribute['tagname'],
69 'value': sliver_attribute['value']})
71 # set nodegroup slice attributes
72 for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
73 # Do not set any nodegroup slice attributes for
74 # which there is at least one sliver attribute
76 if slice_tag not in slice_tags:
77 attributes.append({'tagname': slice_tag['tagname'],
78 'value': slice_tag['value']})
80 for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
81 # Do not set any global slice attributes for
82 # which there is at least one sliver attribute
84 if slice_tag['tagname'] not in sliver_attributes:
85 attributes.append({'tagname': slice_tag['tagname'],
86 'value': slice_tag['value']})
88 # XXX Sanity check; though technically this should be a system invariant
89 # checked with an assertion
90 if slice['expires'] > MAXINT: slice['expires']= MAXINT
94 'name': slice['name'],
95 'slice_id': slice['slice_id'],
96 'instantiation': slice['instantiation'],
97 'expires': slice['expires'],
99 'attributes': attributes
106 #def get_slivers(self, xrn, node=None):
107 #hrn, type = urn_to_hrn(xrn)
109 #slice_name = hrn_to_pl_slicename(hrn)
110 ## XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
111 ## of doing all of this?
112 ##return self.api.driver.GetSliceTicket(self.auth, slice_name)
114 ## from PLCAPI.GetSlivers.get_slivers()
115 #slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
116 #slices = self.api.driver.GetSlices(slice_name, slice_fields)
117 ## Build up list of users and slice attributes
119 #all_slice_tag_ids = set()
120 #for slice in slices:
121 #person_ids.update(slice['person_ids'])
122 #all_slice_tag_ids.update(slice['slice_tag_ids'])
123 #person_ids = list(person_ids)
124 #all_slice_tag_ids = list(all_slice_tag_ids)
125 ## Get user information
126 #all_persons_list = self.api.driver.GetPersons({'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
128 #for person in all_persons_list:
129 #all_persons[person['person_id']] = person
131 ## Build up list of keys
133 #for person in all_persons.values():
134 #key_ids.update(person['key_ids'])
135 #key_ids = list(key_ids)
136 ## Get user account keys
137 #all_keys_list = self.api.driver.GetKeys(key_ids, ['key_id', 'key', 'key_type'])
139 #for key in all_keys_list:
140 #all_keys[key['key_id']] = key
141 ## Get slice attributes
142 #all_slice_tags_list = self.api.driver.GetSliceTags(all_slice_tag_ids)
144 #for slice_tag in all_slice_tags_list:
145 #all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
148 #for slice in slices:
150 #for person_id in slice['person_ids']:
151 #if person_id in all_persons:
152 #person = all_persons[person_id]
153 #if not person['enabled']:
155 #for key_id in person['key_ids']:
156 #if key_id in all_keys:
157 #key = all_keys[key_id]
158 #keys += [{'key_type': key['key_type'],
161 ## All (per-node and global) attributes for this slice
163 #for slice_tag_id in slice['slice_tag_ids']:
164 #if slice_tag_id in all_slice_tags:
165 #slice_tags.append(all_slice_tags[slice_tag_id])
166 ## Per-node sliver attributes take precedence over global
167 ## slice attributes, so set them first.
168 ## Then comes nodegroup slice attributes
169 ## Followed by global slice attributes
170 #sliver_attributes = []
172 #if node is not None:
173 #for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
174 #sliver_attributes.append(sliver_attribute['tagname'])
175 #attributes.append({'tagname': sliver_attribute['tagname'],
176 #'value': sliver_attribute['value']})
178 ## set nodegroup slice attributes
179 #for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
180 ## Do not set any nodegroup slice attributes for
181 ## which there is at least one sliver attribute
183 #if slice_tag not in slice_tags:
184 #attributes.append({'tagname': slice_tag['tagname'],
185 #'value': slice_tag['value']})
187 #for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
188 ## Do not set any global slice attributes for
189 ## which there is at least one sliver attribute
191 #if slice_tag['tagname'] not in sliver_attributes:
192 #attributes.append({'tagname': slice_tag['tagname'],
193 #'value': slice_tag['value']})
195 ## XXX Sanity check; though technically this should be a system invariant
196 ## checked with an assertion
197 #if slice['expires'] > MAXINT: slice['expires']= MAXINT
201 #'name': slice['name'],
202 #'slice_id': slice['slice_id'],
203 #'instantiation': slice['instantiation'],
204 #'expires': slice['expires'],
206 #'attributes': attributes
210 def get_peer(self, xrn):
211 hrn, type = urn_to_hrn(xrn)
212 #Does this slice belong to a local site or a peer senslab site?
215 # get this slice's authority (site)
216 slice_authority = get_authority(hrn)
218 # get this site's authority (sfa root authority or sub authority)
219 site_authority = get_authority(slice_authority).lower()
220 print>>sys.stderr, " \r\n \r\n \t slices.py get_peer slice_authority %s site_authority %s " %(slice_authority, site_authority)
221 # check if we are already peered with this site_authority, if so
222 peers = self.driver.GetPeers({})
223 #print>>sys.stderr, " \r\n \r\n \t slices.py get_peer peers %s " %(peers)
224 for peer_record in peers:
226 if site_authority == peer_record.hrn:
228 #print>>sys.stderr, " \r\n \r\n \t slices.py get_peer peer %s " %(peer)
231 def get_sfa_peer(self, xrn):
232 hrn, type = urn_to_hrn(xrn)
234 # return the authority for this hrn or None if we are the authority
236 slice_authority = get_authority(hrn)
237 site_authority = get_authority(slice_authority)
239 if site_authority != self.driver.hrn:
240 sfa_peer = site_authority
244 def verify_slice_nodes(self, slice, requested_slivers, peer):
248 if slice['node_ids']:
249 nodes = self.driver.GetNodes(slice['node_ids'], ['hostname'])
250 current_slivers = [node['hostname'] for node in nodes]
252 # remove nodes not in rspec
253 deleted_nodes = list(set(current_slivers).difference(requested_slivers))
255 # add nodes from rspec
256 added_nodes = list(set(requested_slivers).difference(current_slivers))
257 #print>>sys.stderr , "\r\n \r\n \t slices.py verify_slice_nodes added_nodes %s slice %s" %( added_nodes,slice)
260 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
261 #PI is a list, get the only username in this list
262 #so that the OAR/LDAP knows the user: remove the authority from the name
263 tmp= slice['PI'][0].split(".")
264 username = tmp[(len(tmp)-1)]
265 self.driver.AddSliceToNodes(slice, added_nodes, username)
266 #self.driver.AddSliceToNodes(slice['name'], added_nodes, username)
269 self.driver.DeleteSliceFromNodes(slice['name'], deleted_nodes)
272 logger.log_exc('Failed to add/remove slice from nodes')
274 def free_egre_key(self):
276 for tag in self.driver.GetSliceTags({'tagname': 'egre_key'}):
277 used.add(int(tag['value']))
279 for i in range(1, 256):
284 raise KeyError("No more EGRE keys available")
293 def handle_peer(self, site, slice, persons, peer):
298 self.driver.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
300 self.driver.DeleteSite(site['site_id'])
306 self.driver.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
308 self.driver.DeleteSlice(slice['slice_id'])
312 for person in persons:
314 self.driver.BindObjectToPeer('person',
315 person['person_id'], peer['shortname'], person['peer_person_id'])
317 for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
319 self.driver.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
321 self.driver.DeleteKey(key['key_id'])
322 logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
324 self.driver.DeletePerson(person['person_id'])
329 #def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
330 #(slice_hrn, type) = urn_to_hrn(slice_xrn)
331 #site_hrn = get_authority(slice_hrn)
332 ## login base can't be longer than 20 characters
333 ##slicename = hrn_to_pl_slicename(slice_hrn)
334 #authority_name = slice_hrn.split('.')[0]
335 #login_base = authority_name[:20]
336 #print >>sys.stderr, " \r\n \r\n \t\t SLABSLICES.PY verify_site authority_name %s login_base %s slice_hrn %s" %(authority_name,login_base,slice_hrn)
338 #sites = self.driver.GetSites(login_base)
340 ## create new site record
341 #site = {'name': 'geni.%s' % authority_name,
342 #'abbreviated_name': authority_name,
343 #'login_base': login_base,
345 #'max_slivers': 1000,
347 #'peer_site_id': None}
349 #site['peer_site_id'] = slice_record.get('site_id', None)
350 #site['site_id'] = self.driver.AddSite(site)
351 ## exempt federated sites from monitor policies
352 #self.driver.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101")
354 ### is this still necessary?
355 ### add record to the local registry
356 ##if sfa_peer and slice_record:
357 ##peer_dict = {'type': 'authority', 'hrn': site_hrn, \
358 ##'peer_authority': sfa_peer, 'pointer': site['site_id']}
359 ##self.registry.register_peer_object(self.credential, peer_dict)
363 ## unbind from peer so we can modify if necessary. Will bind back later
364 #self.driver.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
368 def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, options={} ):
370 login_base = slice_hrn.split(".")[0]
371 slicename = slice_hrn
372 sl = self.driver.GetSlices(slice_filter=slicename, filter_type = 'slice_hrn')
375 print>>sys.stderr, " \r\n \r\rn Slices.py verify_slice slicename %s sl %s slice_record %s"%(slicename ,sl, slice_record)
377 print>>sys.stderr, " \r\n \r\rn Slices.py verify_slice UH-Oh..."
379 slice = {'name': slicename,
380 'url': slice_record.get('url', slice_hrn),
381 #'description': slice_record.get('description', slice_hrn)
384 slice['slice_id'] = self.driver.AddSlice(slice)
385 slice['node_ids'] = []
386 slice['person_ids'] = []
388 #slice['peer_slice_id'] = slice_record.get('slice_id', None)
389 # mark this slice as an sfa peer record
391 #peer_dict = {'type': 'slice', 'hrn': slice_hrn,
392 #'peer_authority': sfa_peer, 'pointer': slice['slice_id']}
393 #self.registry.register_peer_object(self.credential, peer_dict)
396 slice.update(slice_record)
397 #del slice['last_updated']
398 #del slice['date_created']
400 #slice['peer_slice_id'] = slice_record.get('slice_id', None)
401 ## unbind from peer so we can modify if necessary. Will bind back later
402 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
403 #Update existing record (e.g. expires field) it with the latest info.
404 ##if slice_record and slice['expires'] != slice_record['expires']:
405 ##self.driver.UpdateSlice( slice['slice_id'], {'expires' : slice_record['expires']})
409 #def get_existing_persons(self, users):
410 def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
417 if 'urn' in user and (not 'hrn' in user ) :
418 user['hrn'],user['type'] = urn_to_hrn(user['urn'])
420 if 'person_id' in user and 'hrn' in user:
421 users_by_id[user['person_id']] = user
422 users_dict[user['person_id']] = {'person_id':user['person_id'], 'hrn':user['hrn']}
424 users_by_hrn[user['hrn']] = user
425 users_dict[user['hrn']] = {'person_id':user['person_id'], 'hrn':user['hrn']}
427 #print>>sys.stderr, " \r\n \r\n \t slabslices.py verify_person users_dict %s \r\n user_by_hrn %s \r\n \tusers_by_id %s " %( users_dict,users_by_hrn, users_by_id)
429 existing_user_ids = []
430 existing_user_hrns = []
432 #Check if user is in LDAP using its hrn.
433 #Assuming Senslab is centralised : one LDAP for all sites, user_id unknown from LDAP
434 # LDAP does not provide users id, therfore we rely on hrns
436 existing_users = self.driver.GetPersons({'hrn': users_by_hrn.keys()},
439 for user in existing_users :
440 #for k in users_dict[user['hrn']] :
441 existing_user_hrns.append (users_dict[user['hrn']]['hrn'])
442 existing_user_ids.append (users_dict[user['hrn']]['person_id'])
443 #print>>sys.stderr, " \r\n \r\n \t slabslices.py verify_person existing_user_ids.append (users_dict[user['hrn']][k]) %s \r\n existing_users %s " %( existing_user_ids,existing_users)
446 # requested slice users
447 requested_user_ids = users_by_id.keys()
448 requested_user_hrns = users_by_hrn.keys()
449 #print>>sys.stderr, " \r\n \r\n \t slabslices.py verify_person requested_user_ids %s user_by_hrn %s " %( requested_user_ids,users_by_hrn)
450 # existing slice users
451 existing_slice_users_filter = {'hrn': slice_record.get('PI', [])}
452 #print>>sys.stderr, " \r\n \r\n slices.py verify_person requested_user_ids %s existing_slice_users_filter %s slice_record %s" %(requested_user_ids,existing_slice_users_filter,slice_record)
454 existing_slice_users = self.driver.GetPersons(existing_slice_users_filter,['hrn','pkey'])
455 #print>>sys.stderr, " \r\n \r\n slices.py verify_person existing_slice_users %s " %(existing_slice_users)
457 existing_slice_user_hrns = [user['hrn'] for user in existing_slice_users]
459 #print>>sys.stderr, " \r\n \r\n slices.py verify_person requested_user_ids %s existing_slice_user_hrns %s " %(requested_user_ids,existing_slice_user_hrns)
460 # users to be added, removed or updated
462 added_user_hrns = set(requested_user_hrns).difference(set(existing_user_hrns))
464 added_slice_user_hrns = set(requested_user_hrns).difference(existing_slice_user_hrns)
466 removed_user_hrns = set(existing_slice_user_hrns).difference(requested_user_hrns)
469 updated_user_hrns = set(existing_slice_user_hrns).intersection(requested_user_hrns)
470 #print>>sys.stderr, " \r\n \r\n slices.py verify_persons added_user_ids %s added_slice_user_ids %s " %(added_user_ids,added_slice_user_ids)
471 #print>>sys.stderr, " \r\n \r\n slices.py verify_persons removed_user_hrns %s updated_user_hrns %s " %(removed_user_hrns,updated_user_hrns)
472 # Remove stale users (only if we are not appending)
473 append = options.get('append', True)
475 for removed_user_hrn in removed_user_hrns:
476 self.driver.DeletePersonFromSlice(removed_user_hrn, slice_record['name'])
477 # update_existing users
478 updated_users_list = [user for user in existing_slice_users if user['hrn'] in \
480 #print>>sys.stderr, " \r\n \r\n slices.py verify_persons removed_user_hrns %s updated_users_list %s " %(removed_user_hrns,updated_users_list)
481 #self.verify_keys(existing_slice_users, updated_users_list, peer, append)
485 for added_user_hrn in added_user_hrns:
486 added_user = users_dict[added_user_hrn]
487 #hrn, type = urn_to_hrn(added_user['urn'])
489 #'first_name': added_user.get('first_name', hrn),
490 #'last_name': added_user.get('last_name', hrn),
491 'person_id': added_user['person_id'],
492 #'peer_person_id': None,
494 #'key_ids': added_user.get('key_ids', []),
497 #print>>sys.stderr, " \r\n \r\n slices.py verify_persons added_user_ids %s " %(added_user_ids)
498 person['person_id'] = self.driver.AddPerson(person)
500 person['peer_person_id'] = added_user['person_id']
501 added_persons.append(person)
504 self.driver.UpdatePerson(person['person_id'], {'enabled': True})
507 #self.driver.AddPersonToSite(added_user_id, login_base)
509 #for key_string in added_user.get('keys', []):
510 #key = {'key':key_string, 'key_type':'ssh'}
511 #key['key_id'] = self.driver.AddPersonKey(person['person_id'], key)
512 #person['keys'].append(key)
514 # add the registry record
516 #peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
517 #'pointer': person['person_id']}
518 #self.registry.register_peer_object(self.credential, peer_dict)
519 for added_slice_user_hrn in added_slice_user_hrns.union(added_user_hrns):
520 self.driver.AddPersonToSlice(added_slice_user_hrn, slice_record['name'])
521 #for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
522 # add person to the slice
523 #self.driver.AddPersonToSlice(added_slice_user_id, slice_record['name'])
524 # if this is a peer record then it should already be bound to a peer.
525 # no need to return worry about it getting bound later
530 def verify_keys(self, persons, users, peer, options={}):
533 for person in persons:
534 key_ids.extend(person['key_ids'])
535 keylist = self.driver.GetKeys(key_ids, ['key_id', 'key'])
538 keydict[key['key']] = key['key_id']
539 existing_keys = keydict.keys()
541 for person in persons:
542 persondict[person['email']] = person
548 user_keys = user.get('keys', [])
549 updated_persons.append(user)
550 for key_string in user_keys:
551 requested_keys.append(key_string)
552 if key_string not in existing_keys:
553 key = {'key': key_string, 'key_type': 'ssh'}
556 person = persondict[user['email']]
557 self.driver.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
558 key['key_id'] = self.driver.AddPersonKey(user['email'], key)
560 key_index = user_keys.index(key['key'])
561 remote_key_id = user['key_ids'][key_index]
562 self.driver.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
566 self.driver.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
568 # remove old keys (only if we are not appending)
570 removed_keys = set(existing_keys).difference(requested_keys)
571 for existing_key_id in keydict:
572 if keydict[existing_key_id] in removed_keys:
575 self.driver.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
576 self.driver.DeleteKey(existing_key_id)
580 #def verify_slice_attributes(self, slice, requested_slice_attributes, append=False, admin=False):
581 ## get list of attributes users ar able to manage
582 #filter = {'category': '*slice*'}
584 #filter['|roles'] = ['user']
585 #slice_attributes = self.driver.GetTagTypes(filter)
586 #valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
588 ## get sliver attributes
589 #added_slice_attributes = []
590 #removed_slice_attributes = []
591 #ignored_slice_attribute_names = []
592 #existing_slice_attributes = self.driver.GetSliceTags({'slice_id': slice['slice_id']})
594 ## get attributes that should be removed
595 #for slice_tag in existing_slice_attributes:
596 #if slice_tag['tagname'] in ignored_slice_attribute_names:
597 ## If a slice already has a admin only role it was probably given to them by an
598 ## admin, so we should ignore it.
599 #ignored_slice_attribute_names.append(slice_tag['tagname'])
601 ## If an existing slice attribute was not found in the request it should
603 #attribute_found=False
604 #for requested_attribute in requested_slice_attributes:
605 #if requested_attribute['name'] == slice_tag['tagname'] and \
606 #requested_attribute['value'] == slice_tag['value']:
607 #attribute_found=True
610 #if not attribute_found and not append:
611 #removed_slice_attributes.append(slice_tag)
613 ## get attributes that should be added:
614 #for requested_attribute in requested_slice_attributes:
615 ## if the requested attribute wasn't found we should add it
616 #if requested_attribute['name'] in valid_slice_attribute_names:
617 #attribute_found = False
618 #for existing_attribute in existing_slice_attributes:
619 #if requested_attribute['name'] == existing_attribute['tagname'] and \
620 #requested_attribute['value'] == existing_attribute['value']:
621 #attribute_found=True
623 #if not attribute_found:
624 #added_slice_attributes.append(requested_attribute)
627 ## remove stale attributes
628 #for attribute in removed_slice_attributes:
630 #self.driver.DeleteSliceTag(attribute['slice_tag_id'])
631 #except Exception, e:
632 #self.logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
633 #% (name, value, node_id, str(e)))
635 ## add requested_attributes
636 #for attribute in added_slice_attributes:
638 #self.driver.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
639 #except Exception, e:
640 #self.logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
641 #% (name, value, node_id, str(e)))
643 #def create_slice_aggregate(self, xrn, rspec):
644 #hrn, type = urn_to_hrn(xrn)
645 ## Determine if this is a peer slice
646 #peer = self.get_peer(hrn)
647 #sfa_peer = self.get_sfa_peer(hrn)
650 ## Get the slice record from sfa
651 #slicename = hrn_to_pl_slicename(hrn)
654 #registry = self.api.registries[self.api.hrn]
655 #credential = self.api.getCredential()
657 #site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
658 #slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
660 ## find out where this slice is currently running
661 #nodelist = self.driver.GetNodes(slice['node_ids'], ['hostname'])
662 #hostnames = [node['hostname'] for node in nodelist]
664 ## get netspec details
665 #nodespecs = spec.getDictsByTagName('NodeSpec')
667 ## dict in which to store slice attributes to set for the nodes
669 #for nodespec in nodespecs:
670 #if isinstance(nodespec['name'], list):
671 #for nodename in nodespec['name']:
672 #nodes[nodename] = {}
673 #for k in nodespec.keys():
674 #rspec_attribute_value = nodespec[k]
675 #if (self.rspec_to_slice_tag.has_key(k)):
676 #slice_tag_name = self.rspec_to_slice_tag[k]
677 #nodes[nodename][slice_tag_name] = rspec_attribute_value
678 #elif isinstance(nodespec['name'], StringTypes):
679 #nodename = nodespec['name']
680 #nodes[nodename] = {}
681 #for k in nodespec.keys():
682 #rspec_attribute_value = nodespec[k]
683 #if (self.rspec_to_slice_tag.has_key(k)):
684 #slice_tag_name = self.rspec_to_slice_tag[k]
685 #nodes[nodename][slice_tag_name] = rspec_attribute_value
687 #for k in nodespec.keys():
688 #rspec_attribute_value = nodespec[k]
689 #if (self.rspec_to_slice_tag.has_key(k)):
690 #slice_tag_name = self.rspec_to_slice_tag[k]
691 #nodes[nodename][slice_tag_name] = rspec_attribute_value
693 #node_names = nodes.keys()
694 ## remove nodes not in rspec
695 #deleted_nodes = list(set(hostnames).difference(node_names))
696 ## add nodes from rspec
697 #added_nodes = list(set(node_names).difference(hostnames))
701 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
703 #self.driver.AddSliceToNodes(slicename, added_nodes)
705 ## Add recognized slice tags
706 #for node_name in node_names:
707 #node = nodes[node_name]
708 #for slice_tag in node.keys():
709 #value = node[slice_tag]
710 #if (isinstance(value, list)):
713 #self.driver.AddSliceTag(slicename, slice_tag, value, node_name)
715 #self.driver.DeleteSliceFromNodes(slicename, deleted_nodes)
718 #self.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])