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):
247 if slice['node_ids']:
248 nodes = self.driver.GetNodes(slice['node_ids'], ['hostname'])
249 current_slivers = [node['hostname'] for node in nodes]
251 # remove nodes not in rspec
252 deleted_nodes = list(set(current_slivers).difference(requested_slivers))
254 # add nodes from rspec
255 added_nodes = list(set(requested_slivers).difference(current_slivers))
256 print>>sys.stderr , "\r\n \r\n \t slices.py verify_slice_nodes added_nodes %s slice %s" %( added_nodes,slice)
259 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
260 #PI is a list, get the only username in this list
261 #so that the OAR/LDAP knows the user: remove the authority from the name
262 tmp= slice['PI'][0].split(".")
263 username = tmp[(len(tmp)-1)]
264 self.driver.AddSliceToNodes(slice['name'], added_nodes, username)
267 self.driver.DeleteSliceFromNodes(slice['name'], deleted_nodes)
270 logger.log_exc('Failed to add/remove slice from nodes')
272 def free_egre_key(self):
274 for tag in self.driver.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")
291 def handle_peer(self, site, slice, persons, peer):
296 self.driver.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
298 self.driver.DeleteSite(site['site_id'])
304 self.driver.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
306 self.driver.DeleteSlice(slice['slice_id'])
310 for person in persons:
312 self.driver.BindObjectToPeer('person',
313 person['person_id'], peer['shortname'], person['peer_person_id'])
315 for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
317 self.driver.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
319 self.driver.DeleteKey(key['key_id'])
320 logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
322 self.driver.DeletePerson(person['person_id'])
327 #def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
328 #(slice_hrn, type) = urn_to_hrn(slice_xrn)
329 #site_hrn = get_authority(slice_hrn)
330 ## login base can't be longer than 20 characters
331 ##slicename = hrn_to_pl_slicename(slice_hrn)
332 #authority_name = slice_hrn.split('.')[0]
333 #login_base = authority_name[:20]
334 #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)
336 #sites = self.driver.GetSites(login_base)
338 ## create new site record
339 #site = {'name': 'geni.%s' % authority_name,
340 #'abbreviated_name': authority_name,
341 #'login_base': login_base,
343 #'max_slivers': 1000,
345 #'peer_site_id': None}
347 #site['peer_site_id'] = slice_record.get('site_id', None)
348 #site['site_id'] = self.driver.AddSite(site)
349 ## exempt federated sites from monitor policies
350 #self.driver.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101")
352 ### is this still necessary?
353 ### add record to the local registry
354 ##if sfa_peer and slice_record:
355 ##peer_dict = {'type': 'authority', 'hrn': site_hrn, \
356 ##'peer_authority': sfa_peer, 'pointer': site['site_id']}
357 ##self.registry.register_peer_object(self.credential, peer_dict)
361 ## unbind from peer so we can modify if necessary. Will bind back later
362 #self.driver.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
366 def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, options={} ):
368 login_base = slice_hrn.split(".")[0]
369 slicename = slice_hrn
370 sl = self.driver.GetSlices(slice_filter=slicename, filter_type = 'slice_hrn')
373 print>>sys.stderr, " \r\n \r\rn Slices.py verify_slice slicename %s sl %s slice_record %s"%(slicename ,sl, slice_record)
375 print>>sys.stderr, " \r\n \r\rn Slices.py verify_slice UH-Oh..."
377 slice = {'name': slicename,
378 'url': slice_record.get('url', slice_hrn),
379 #'description': slice_record.get('description', slice_hrn)
382 slice['slice_id'] = self.driver.AddSlice(slice)
383 slice['node_ids'] = []
384 slice['person_ids'] = []
386 #slice['peer_slice_id'] = slice_record.get('slice_id', None)
387 # mark this slice as an sfa peer record
389 #peer_dict = {'type': 'slice', 'hrn': slice_hrn,
390 #'peer_authority': sfa_peer, 'pointer': slice['slice_id']}
391 #self.registry.register_peer_object(self.credential, peer_dict)
394 slice.update(slice_record)
395 #del slice['last_updated']
396 #del slice['date_created']
398 #slice['peer_slice_id'] = slice_record.get('slice_id', None)
399 ## unbind from peer so we can modify if necessary. Will bind back later
400 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
401 #Update existing record (e.g. expires field) it with the latest info.
402 ##if slice_record and slice['expires'] != slice_record['expires']:
403 ##self.driver.UpdateSlice( slice['slice_id'], {'expires' : slice_record['expires']})
407 #def get_existing_persons(self, users):
408 def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
415 if 'urn' in user and (not 'hrn' in user ) :
416 user['hrn'],user['type'] = urn_to_hrn(user['urn'])
418 if 'person_id' in user and 'hrn' in user:
419 users_by_id[user['person_id']] = user
420 users_dict[user['person_id']] = {'person_id':user['person_id'], 'hrn':user['hrn']}
422 users_by_hrn[user['hrn']] = user
423 users_dict[user['hrn']] = {'person_id':user['person_id'], 'hrn':user['hrn']}
425 #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)
427 existing_user_ids = []
428 existing_user_hrns = []
430 #Check if user is in LDAP using its hrn.
431 #Assuming Senslab is centralised : one LDAP for all sites, user_id unknown from LDAP
432 # LDAP does not provide users id, therfore we rely on hrns
434 existing_users = self.driver.GetPersons({'hrn': users_by_hrn.keys()},
437 for user in existing_users :
438 #for k in users_dict[user['hrn']] :
439 existing_user_hrns.append (users_dict[user['hrn']]['hrn'])
440 existing_user_ids.append (users_dict[user['hrn']]['person_id'])
441 #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)
444 # requested slice users
445 requested_user_ids = users_by_id.keys()
446 requested_user_hrns = users_by_hrn.keys()
447 #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)
448 # existing slice users
449 existing_slice_users_filter = {'hrn': slice_record.get('PI', [])}
450 #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)
452 existing_slice_users = self.driver.GetPersons(existing_slice_users_filter,['hrn','pkey'])
453 #print>>sys.stderr, " \r\n \r\n slices.py verify_person existing_slice_users %s " %(existing_slice_users)
455 existing_slice_user_hrns = [user['hrn'] for user in existing_slice_users]
457 #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)
458 # users to be added, removed or updated
460 added_user_hrns = set(requested_user_hrns).difference(set(existing_user_hrns))
462 added_slice_user_hrns = set(requested_user_hrns).difference(existing_slice_user_hrns)
464 removed_user_hrns = set(existing_slice_user_hrns).difference(requested_user_hrns)
467 updated_user_hrns = set(existing_slice_user_hrns).intersection(requested_user_hrns)
468 #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)
469 #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)
470 # Remove stale users (only if we are not appending)
471 append = options.get('append', True)
473 for removed_user_hrn in removed_user_hrns:
474 self.driver.DeletePersonFromSlice(removed_user_hrn, slice_record['name'])
475 # update_existing users
476 updated_users_list = [user for user in existing_slice_users if user['hrn'] in \
478 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)
479 #self.verify_keys(existing_slice_users, updated_users_list, peer, append)
483 for added_user_hrn in added_user_hrns:
484 added_user = users_dict[added_user_hrn]
485 #hrn, type = urn_to_hrn(added_user['urn'])
487 #'first_name': added_user.get('first_name', hrn),
488 #'last_name': added_user.get('last_name', hrn),
489 'person_id': added_user['person_id'],
490 #'peer_person_id': None,
492 #'key_ids': added_user.get('key_ids', []),
495 #print>>sys.stderr, " \r\n \r\n slices.py verify_persons added_user_ids %s " %(added_user_ids)
496 person['person_id'] = self.driver.AddPerson(person)
498 person['peer_person_id'] = added_user['person_id']
499 added_persons.append(person)
502 self.driver.UpdatePerson(person['person_id'], {'enabled': True})
505 #self.driver.AddPersonToSite(added_user_id, login_base)
507 #for key_string in added_user.get('keys', []):
508 #key = {'key':key_string, 'key_type':'ssh'}
509 #key['key_id'] = self.driver.AddPersonKey(person['person_id'], key)
510 #person['keys'].append(key)
512 # add the registry record
514 #peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
515 #'pointer': person['person_id']}
516 #self.registry.register_peer_object(self.credential, peer_dict)
517 for added_slice_user_hrn in added_slice_user_hrns.union(added_user_hrns):
518 self.driver.AddPersonToSlice(added_slice_user_hrn, slice_record['name'])
519 #for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
520 # add person to the slice
521 #self.driver.AddPersonToSlice(added_slice_user_id, slice_record['name'])
522 # if this is a peer record then it should already be bound to a peer.
523 # no need to return worry about it getting bound later
528 def verify_keys(self, persons, users, peer, options={}):
531 for person in persons:
532 key_ids.extend(person['key_ids'])
533 keylist = self.driver.GetKeys(key_ids, ['key_id', 'key'])
536 keydict[key['key']] = key['key_id']
537 existing_keys = keydict.keys()
539 for person in persons:
540 persondict[person['email']] = person
546 user_keys = user.get('keys', [])
547 updated_persons.append(user)
548 for key_string in user_keys:
549 requested_keys.append(key_string)
550 if key_string not in existing_keys:
551 key = {'key': key_string, 'key_type': 'ssh'}
554 person = persondict[user['email']]
555 self.driver.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
556 key['key_id'] = self.driver.AddPersonKey(user['email'], key)
558 key_index = user_keys.index(key['key'])
559 remote_key_id = user['key_ids'][key_index]
560 self.driver.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
564 self.driver.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
566 # remove old keys (only if we are not appending)
568 removed_keys = set(existing_keys).difference(requested_keys)
569 for existing_key_id in keydict:
570 if keydict[existing_key_id] in removed_keys:
573 self.driver.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
574 self.driver.DeleteKey(existing_key_id)
578 #def verify_slice_attributes(self, slice, requested_slice_attributes, append=False, admin=False):
579 ## get list of attributes users ar able to manage
580 #filter = {'category': '*slice*'}
582 #filter['|roles'] = ['user']
583 #slice_attributes = self.driver.GetTagTypes(filter)
584 #valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
586 ## get sliver attributes
587 #added_slice_attributes = []
588 #removed_slice_attributes = []
589 #ignored_slice_attribute_names = []
590 #existing_slice_attributes = self.driver.GetSliceTags({'slice_id': slice['slice_id']})
592 ## get attributes that should be removed
593 #for slice_tag in existing_slice_attributes:
594 #if slice_tag['tagname'] in ignored_slice_attribute_names:
595 ## If a slice already has a admin only role it was probably given to them by an
596 ## admin, so we should ignore it.
597 #ignored_slice_attribute_names.append(slice_tag['tagname'])
599 ## If an existing slice attribute was not found in the request it should
601 #attribute_found=False
602 #for requested_attribute in requested_slice_attributes:
603 #if requested_attribute['name'] == slice_tag['tagname'] and \
604 #requested_attribute['value'] == slice_tag['value']:
605 #attribute_found=True
608 #if not attribute_found and not append:
609 #removed_slice_attributes.append(slice_tag)
611 ## get attributes that should be added:
612 #for requested_attribute in requested_slice_attributes:
613 ## if the requested attribute wasn't found we should add it
614 #if requested_attribute['name'] in valid_slice_attribute_names:
615 #attribute_found = False
616 #for existing_attribute in existing_slice_attributes:
617 #if requested_attribute['name'] == existing_attribute['tagname'] and \
618 #requested_attribute['value'] == existing_attribute['value']:
619 #attribute_found=True
621 #if not attribute_found:
622 #added_slice_attributes.append(requested_attribute)
625 ## remove stale attributes
626 #for attribute in removed_slice_attributes:
628 #self.driver.DeleteSliceTag(attribute['slice_tag_id'])
629 #except Exception, e:
630 #self.logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
631 #% (name, value, node_id, str(e)))
633 ## add requested_attributes
634 #for attribute in added_slice_attributes:
636 #self.driver.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
637 #except Exception, e:
638 #self.logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
639 #% (name, value, node_id, str(e)))
641 #def create_slice_aggregate(self, xrn, rspec):
642 #hrn, type = urn_to_hrn(xrn)
643 ## Determine if this is a peer slice
644 #peer = self.get_peer(hrn)
645 #sfa_peer = self.get_sfa_peer(hrn)
648 ## Get the slice record from sfa
649 #slicename = hrn_to_pl_slicename(hrn)
652 #registry = self.api.registries[self.api.hrn]
653 #credential = self.api.getCredential()
655 #site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
656 #slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
658 ## find out where this slice is currently running
659 #nodelist = self.driver.GetNodes(slice['node_ids'], ['hostname'])
660 #hostnames = [node['hostname'] for node in nodelist]
662 ## get netspec details
663 #nodespecs = spec.getDictsByTagName('NodeSpec')
665 ## dict in which to store slice attributes to set for the nodes
667 #for nodespec in nodespecs:
668 #if isinstance(nodespec['name'], list):
669 #for nodename in nodespec['name']:
670 #nodes[nodename] = {}
671 #for k in nodespec.keys():
672 #rspec_attribute_value = nodespec[k]
673 #if (self.rspec_to_slice_tag.has_key(k)):
674 #slice_tag_name = self.rspec_to_slice_tag[k]
675 #nodes[nodename][slice_tag_name] = rspec_attribute_value
676 #elif isinstance(nodespec['name'], StringTypes):
677 #nodename = nodespec['name']
678 #nodes[nodename] = {}
679 #for k in nodespec.keys():
680 #rspec_attribute_value = nodespec[k]
681 #if (self.rspec_to_slice_tag.has_key(k)):
682 #slice_tag_name = self.rspec_to_slice_tag[k]
683 #nodes[nodename][slice_tag_name] = rspec_attribute_value
685 #for k in nodespec.keys():
686 #rspec_attribute_value = nodespec[k]
687 #if (self.rspec_to_slice_tag.has_key(k)):
688 #slice_tag_name = self.rspec_to_slice_tag[k]
689 #nodes[nodename][slice_tag_name] = rspec_attribute_value
691 #node_names = nodes.keys()
692 ## remove nodes not in rspec
693 #deleted_nodes = list(set(hostnames).difference(node_names))
694 ## add nodes from rspec
695 #added_nodes = list(set(node_names).difference(hostnames))
699 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
701 #self.driver.AddSliceToNodes(slicename, added_nodes)
703 ## Add recognized slice tags
704 #for node_name in node_names:
705 #node = nodes[node_name]
706 #for slice_tag in node.keys():
707 #value = node[slice_tag]
708 #if (isinstance(value, list)):
711 #self.driver.AddSliceTag(slicename, slice_tag, value, node_name)
713 #self.driver.DeleteSliceFromNodes(slicename, deleted_nodes)
716 #self.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])