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
15 rspec_to_slice_tag = {'max_rate':'net_max_rate'}
17 #def __init__(self, api, ttl = .5, origin_hrn=None):
19 ##filepath = path + os.sep + filename
20 #self.policy = Policy(self.api)
21 #self.origin_hrn = origin_hrn
22 #self.registry = api.registries[api.hrn]
23 #self.credential = api.getCredential()
28 def __init__(self, driver):
30 #def get_slivers(self, xrn, node=None):
31 #hrn, type = urn_to_hrn(xrn)
33 #slice_name = hrn_to_pl_slicename(hrn)
34 ## XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
35 ## of doing all of this?
36 ##return self.api.driver.GetSliceTicket(self.auth, slice_name)
38 ## from PLCAPI.GetSlivers.get_slivers()
39 #slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
40 #slices = self.api.driver.GetSlices(slice_name, slice_fields)
41 ## Build up list of users and slice attributes
43 #all_slice_tag_ids = set()
45 #person_ids.update(slice['person_ids'])
46 #all_slice_tag_ids.update(slice['slice_tag_ids'])
47 #person_ids = list(person_ids)
48 #all_slice_tag_ids = list(all_slice_tag_ids)
49 ## Get user information
50 #all_persons_list = self.api.driver.GetPersons({'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
52 #for person in all_persons_list:
53 #all_persons[person['person_id']] = person
55 ## Build up list of keys
57 #for person in all_persons.values():
58 #key_ids.update(person['key_ids'])
59 #key_ids = list(key_ids)
60 ## Get user account keys
61 #all_keys_list = self.api.driver.GetKeys(key_ids, ['key_id', 'key', 'key_type'])
63 #for key in all_keys_list:
64 #all_keys[key['key_id']] = key
65 ## Get slice attributes
66 #all_slice_tags_list = self.api.driver.GetSliceTags(all_slice_tag_ids)
68 #for slice_tag in all_slice_tags_list:
69 #all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
74 #for person_id in slice['person_ids']:
75 #if person_id in all_persons:
76 #person = all_persons[person_id]
77 #if not person['enabled']:
79 #for key_id in person['key_ids']:
80 #if key_id in all_keys:
81 #key = all_keys[key_id]
82 #keys += [{'key_type': key['key_type'],
85 ## All (per-node and global) attributes for this slice
87 #for slice_tag_id in slice['slice_tag_ids']:
88 #if slice_tag_id in all_slice_tags:
89 #slice_tags.append(all_slice_tags[slice_tag_id])
90 ## Per-node sliver attributes take precedence over global
91 ## slice attributes, so set them first.
92 ## Then comes nodegroup slice attributes
93 ## Followed by global slice attributes
94 #sliver_attributes = []
97 #for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
98 #sliver_attributes.append(sliver_attribute['tagname'])
99 #attributes.append({'tagname': sliver_attribute['tagname'],
100 #'value': sliver_attribute['value']})
102 ## set nodegroup slice attributes
103 #for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
104 ## Do not set any nodegroup slice attributes for
105 ## which there is at least one sliver attribute
107 #if slice_tag not in slice_tags:
108 #attributes.append({'tagname': slice_tag['tagname'],
109 #'value': slice_tag['value']})
111 #for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
112 ## Do not set any global slice attributes for
113 ## which there is at least one sliver attribute
115 #if slice_tag['tagname'] not in sliver_attributes:
116 #attributes.append({'tagname': slice_tag['tagname'],
117 #'value': slice_tag['value']})
119 ## XXX Sanity check; though technically this should be a system invariant
120 ## checked with an assertion
121 #if slice['expires'] > MAXINT: slice['expires']= MAXINT
125 #'name': slice['name'],
126 #'slice_id': slice['slice_id'],
127 #'instantiation': slice['instantiation'],
128 #'expires': slice['expires'],
130 #'attributes': attributes
135 def get_peer(self, xrn):
136 hrn, type = urn_to_hrn(xrn)
137 # Becaues of myplc federation, we first need to determine if this
138 # slice belongs to out local plc or a myplc peer. We will assume it
139 # is a local site, unless we find out otherwise
141 print>>sys.stderr, " \r\n \r\n \t slices.py get_peer slice_authority "
142 # get this slice's authority (site)
143 slice_authority = get_authority(hrn)
145 # get this site's authority (sfa root authority or sub authority)
146 site_authority = get_authority(slice_authority).lower()
147 print>>sys.stderr, " \r\n \r\n \t slices.py get_peer slice_authority %s site_authority %s" %(slice_authority,site_authority)
148 # check if we are already peered with this site_authority, if so
149 #peers = self.api.driver.GetPeers({}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
150 #for peer_record in peers:
151 #names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
152 #if site_authority in names:
157 def get_sfa_peer(self, xrn):
158 hrn, type = urn_to_hrn(xrn)
160 # return the authority for this hrn or None if we are the authority
162 slice_authority = get_authority(hrn)
163 site_authority = get_authority(slice_authority)
165 if site_authority != self.driver.hrn:
166 sfa_peer = site_authority
170 def verify_slice_nodes(self, slice, requested_slivers, peer):
173 if slice['node_ids']:
174 nodes = self.driver.GetNodes(slice['node_ids'], ['hostname'])
175 current_slivers = [node['hostname'] for node in nodes]
177 # remove nodes not in rspec
178 deleted_nodes = list(set(current_slivers).difference(requested_slivers))
180 # add nodes from rspec
181 added_nodes = list(set(requested_slivers).difference(current_slivers))
182 print>>sys.stderr , "\r\n \r\n \t slices.py verify_slice_nodes added_nodes %s slice %s" %( added_nodes,slice)
185 self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
186 #PI is a list, get the only username in this list
187 #so that the OAR/LDAP knows the user: remove the authority from the name
188 tmp= slice['PI'][0].split(".")
189 username = tmp[(len(tmp)-1)]
190 self.driver.AddSliceToNodes(slice['name'], added_nodes, username)
192 self.driver.DeleteSliceFromNodes(slice['name'], deleted_nodes)
195 self.logger.log_exc('Failed to add/remove slice from nodes')
197 def free_egre_key(self):
199 for tag in self.driver.GetSliceTags({'tagname': 'egre_key'}):
200 used.add(int(tag['value']))
202 for i in range(1, 256):
207 raise KeyError("No more EGRE keys available")
211 def verify_slice_links(self, slice, links, aggregate):
219 def handle_peer(self, site, slice, persons, peer):
224 self.driver.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
226 self.driver.DeleteSite(site['site_id'])
232 self.driver.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
234 self.driver.DeleteSlice(slice['slice_id'])
238 for person in persons:
240 self.driver.BindObjectToPeer('person',
241 person['person_id'], peer['shortname'], person['peer_person_id'])
243 for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
245 self.driver.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
247 self.driver.DeleteKey(key['key_id'])
248 self.logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
250 self.driver.DeletePerson(person['person_id'])
255 def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
256 (slice_hrn, type) = urn_to_hrn(slice_xrn)
257 site_hrn = get_authority(slice_hrn)
258 # login base can't be longer than 20 characters
259 #slicename = hrn_to_pl_slicename(slice_hrn)
260 authority_name = slice_hrn.split('.')[0]
261 login_base = authority_name[:20]
262 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)
264 sites = self.driver.GetSites(login_base)
266 # create new site record
267 site = {'name': 'geni.%s' % authority_name,
268 'abbreviated_name': authority_name,
269 'login_base': login_base,
273 'peer_site_id': None}
275 site['peer_site_id'] = slice_record.get('site_id', None)
276 site['site_id'] = self.driver.AddSite(site)
277 # exempt federated sites from monitor policies
278 self.driver.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101")
280 ## is this still necessary?
281 ## add record to the local registry
282 #if sfa_peer and slice_record:
283 #peer_dict = {'type': 'authority', 'hrn': site_hrn, \
284 #'peer_authority': sfa_peer, 'pointer': site['site_id']}
285 #self.registry.register_peer_object(self.credential, peer_dict)
289 # unbind from peer so we can modify if necessary. Will bind back later
290 self.driver.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
294 def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, options={} ):
295 #slicename = hrn_to_pl_slicename(slice_hrn)
296 #parts = hrn_to_pl_slicename(slice_hrn).split("_")
297 login_base = slice_hrn.split(".")[0]
298 slicename = slice_hrn
299 slices = self.driver.GetSlices([slicename])
300 print>>sys.stderr, " \r\n \r\rn Slices.py verify_slice slicename %s slices %s slice_record %s"%(slicename ,slices, slice_record)
302 slice = {'name': slicename,
303 'url': slice_record.get('url', slice_hrn),
304 #'description': slice_record.get('description', slice_hrn)
307 slice['slice_id'] = self.driver.AddSlice(slice)
308 slice['node_ids'] = []
309 slice['person_ids'] = []
311 slice['peer_slice_id'] = slice_record.get('slice_id', None)
312 # mark this slice as an sfa peer record
314 #peer_dict = {'type': 'slice', 'hrn': slice_hrn,
315 #'peer_authority': sfa_peer, 'pointer': slice['slice_id']}
316 #self.registry.register_peer_object(self.credential, peer_dict)
319 slice.update(slice_record)
320 #del slice['last_updated']
321 #del slice['date_created']
323 slice['peer_slice_id'] = slice_record.get('slice_id', None)
324 # unbind from peer so we can modify if necessary. Will bind back later
325 self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
326 #Update existing record (e.g. expires field) it with the latest info.
327 ##if slice_record and slice['expires'] != slice_record['expires']:
328 ##self.driver.UpdateSlice( slice['slice_id'], {'expires' : slice_record['expires']})
332 #def get_existing_persons(self, users):
333 def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
339 if 'person_id' in user and 'hrn' in user:
340 users_by_id[user['person_id']] = user
341 users_dict[user['person_id']] = {'person_id':user['person_id'], 'hrn':user['hrn']}
343 users_by_hrn[user['hrn']] = user
344 users_dict[user['hrn']] = {'person_id':user['person_id'], 'hrn':user['hrn']}
346 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)
348 existing_user_ids = []
349 existing_user_hrns = []
351 #Check if user is in LDAP using its hrn.
352 #Assuming Senslab is centralised : one LDAP for all sites, user_id unknown from LDAP
353 # LDAP does not provide users id, therfore we rely on hrns
355 existing_users = self.driver.GetPersons({'hrn': users_by_hrn.keys()},
358 for user in existing_users :
359 #for k in users_dict[user['hrn']] :
360 existing_user_hrns.append (users_dict[user['hrn']]['hrn'])
361 existing_user_ids.append (users_dict[user['hrn']]['person_id'])
362 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)
365 # requested slice users
366 requested_user_ids = users_by_id.keys()
367 requested_user_hrns = users_by_hrn.keys()
368 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)
369 # existing slice users
370 existing_slice_users_filter = {'hrn': slice_record.get('PI', [])}
371 #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)
373 existing_slice_users = self.driver.GetPersons(existing_slice_users_filter,['hrn','pkey'])
374 print>>sys.stderr, " \r\n \r\n slices.py verify_person existing_slice_users %s " %(existing_slice_users)
376 existing_slice_user_hrns = [user['hrn'] for user in existing_slice_users]
378 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)
379 # users to be added, removed or updated
381 added_user_hrns = set(requested_user_hrns).difference(set(existing_user_hrns))
383 added_slice_user_hrns = set(requested_user_hrns).difference(existing_slice_user_hrns)
385 removed_user_hrns = set(existing_slice_user_hrns).difference(requested_user_hrns)
388 updated_user_hrns = set(existing_slice_user_hrns).intersection(requested_user_hrns)
389 #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)
390 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)
391 # Remove stale users (only if we are not appending)
392 append = options.get('append', True)
394 for removed_user_hrn in removed_user_hrns:
395 self.driver.DeletePersonFromSlice(removed_user_hrn, slice_record['name'])
396 # update_existing users
397 updated_users_list = [user for user in existing_slice_users if user['hrn'] in \
399 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)
400 #self.verify_keys(existing_slice_users, updated_users_list, peer, append)
404 for added_user_id in added_user_ids:
405 added_user = users_dict[added_user_id]
406 #hrn, type = urn_to_hrn(added_user['urn'])
408 #'first_name': added_user.get('first_name', hrn),
409 #'last_name': added_user.get('last_name', hrn),
410 'person_id': added_user_id,
411 #'peer_person_id': None,
413 #'key_ids': added_user.get('key_ids', []),
416 #print>>sys.stderr, " \r\n \r\n slices.py verify_persons added_user_ids %s " %(added_user_ids)
417 person['person_id'] = self.driver.AddPerson(person)
419 person['peer_person_id'] = added_user['person_id']
420 added_persons.append(person)
423 self.driver.UpdatePerson(person['person_id'], {'enabled': True})
426 #self.driver.AddPersonToSite(added_user_id, login_base)
428 #for key_string in added_user.get('keys', []):
429 #key = {'key':key_string, 'key_type':'ssh'}
430 #key['key_id'] = self.driver.AddPersonKey(person['person_id'], key)
431 #person['keys'].append(key)
433 # add the registry record
435 #peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
436 #'pointer': person['person_id']}
437 #self.registry.register_peer_object(self.credential, peer_dict)
439 for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
440 # add person to the slice
441 self.driver.AddPersonToSlice(added_slice_user_id, slice_record['name'])
442 # if this is a peer record then it should already be bound to a peer.
443 # no need to return worry about it getting bound later
448 def verify_keys(self, persons, users, peer, options={}):
451 for person in persons:
452 key_ids.extend(person['key_ids'])
453 keylist = self.driver.GetKeys(key_ids, ['key_id', 'key'])
456 keydict[key['key']] = key['key_id']
457 existing_keys = keydict.keys()
459 for person in persons:
460 persondict[person['email']] = person
466 user_keys = user.get('keys', [])
467 updated_persons.append(user)
468 for key_string in user_keys:
469 requested_keys.append(key_string)
470 if key_string not in existing_keys:
471 key = {'key': key_string, 'key_type': 'ssh'}
474 person = persondict[user['email']]
475 self.driver.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
476 key['key_id'] = self.driver.AddPersonKey(user['email'], key)
478 key_index = user_keys.index(key['key'])
479 remote_key_id = user['key_ids'][key_index]
480 self.driver.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
484 self.driver.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
486 # remove old keys (only if we are not appending)
488 removed_keys = set(existing_keys).difference(requested_keys)
489 for existing_key_id in keydict:
490 if keydict[existing_key_id] in removed_keys:
493 self.driver.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
494 self.driver.DeleteKey(existing_key_id)
498 def verify_slice_attributes(self, slice, requested_slice_attributes, append=False, admin=False):
499 # get list of attributes users ar able to manage
500 filter = {'category': '*slice*'}
502 filter['|roles'] = ['user']
503 slice_attributes = self.driver.GetTagTypes(filter)
504 valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
506 # get sliver attributes
507 added_slice_attributes = []
508 removed_slice_attributes = []
509 ignored_slice_attribute_names = []
510 existing_slice_attributes = self.driver.GetSliceTags({'slice_id': slice['slice_id']})
512 # get attributes that should be removed
513 for slice_tag in existing_slice_attributes:
514 if slice_tag['tagname'] in ignored_slice_attribute_names:
515 # If a slice already has a admin only role it was probably given to them by an
516 # admin, so we should ignore it.
517 ignored_slice_attribute_names.append(slice_tag['tagname'])
519 # If an existing slice attribute was not found in the request it should
521 attribute_found=False
522 for requested_attribute in requested_slice_attributes:
523 if requested_attribute['name'] == slice_tag['tagname'] and \
524 requested_attribute['value'] == slice_tag['value']:
528 if not attribute_found and not append:
529 removed_slice_attributes.append(slice_tag)
531 # get attributes that should be added:
532 for requested_attribute in requested_slice_attributes:
533 # if the requested attribute wasn't found we should add it
534 if requested_attribute['name'] in valid_slice_attribute_names:
535 attribute_found = False
536 for existing_attribute in existing_slice_attributes:
537 if requested_attribute['name'] == existing_attribute['tagname'] and \
538 requested_attribute['value'] == existing_attribute['value']:
541 if not attribute_found:
542 added_slice_attributes.append(requested_attribute)
545 # remove stale attributes
546 for attribute in removed_slice_attributes:
548 self.driver.DeleteSliceTag(attribute['slice_tag_id'])
550 self.logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
551 % (name, value, node_id, str(e)))
553 # add requested_attributes
554 for attribute in added_slice_attributes:
556 self.driver.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
558 self.logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
559 % (name, value, node_id, str(e)))
561 #def create_slice_aggregate(self, xrn, rspec):
562 #hrn, type = urn_to_hrn(xrn)
563 ## Determine if this is a peer slice
564 #peer = self.get_peer(hrn)
565 #sfa_peer = self.get_sfa_peer(hrn)
568 ## Get the slice record from sfa
569 #slicename = hrn_to_pl_slicename(hrn)
572 #registry = self.api.registries[self.api.hrn]
573 #credential = self.api.getCredential()
575 #site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
576 #slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
578 ## find out where this slice is currently running
579 #nodelist = self.driver.GetNodes(slice['node_ids'], ['hostname'])
580 #hostnames = [node['hostname'] for node in nodelist]
582 ## get netspec details
583 #nodespecs = spec.getDictsByTagName('NodeSpec')
585 ## dict in which to store slice attributes to set for the nodes
587 #for nodespec in nodespecs:
588 #if isinstance(nodespec['name'], list):
589 #for nodename in nodespec['name']:
590 #nodes[nodename] = {}
591 #for k in nodespec.keys():
592 #rspec_attribute_value = nodespec[k]
593 #if (self.rspec_to_slice_tag.has_key(k)):
594 #slice_tag_name = self.rspec_to_slice_tag[k]
595 #nodes[nodename][slice_tag_name] = rspec_attribute_value
596 #elif isinstance(nodespec['name'], StringTypes):
597 #nodename = nodespec['name']
598 #nodes[nodename] = {}
599 #for k in nodespec.keys():
600 #rspec_attribute_value = nodespec[k]
601 #if (self.rspec_to_slice_tag.has_key(k)):
602 #slice_tag_name = self.rspec_to_slice_tag[k]
603 #nodes[nodename][slice_tag_name] = rspec_attribute_value
605 #for k in nodespec.keys():
606 #rspec_attribute_value = nodespec[k]
607 #if (self.rspec_to_slice_tag.has_key(k)):
608 #slice_tag_name = self.rspec_to_slice_tag[k]
609 #nodes[nodename][slice_tag_name] = rspec_attribute_value
611 #node_names = nodes.keys()
612 ## remove nodes not in rspec
613 #deleted_nodes = list(set(hostnames).difference(node_names))
614 ## add nodes from rspec
615 #added_nodes = list(set(node_names).difference(hostnames))
619 #self.driver.UnBindObjectFromPeer('slice', slice['slice_id'], peer)
621 #self.driver.AddSliceToNodes(slicename, added_nodes)
623 ## Add recognized slice tags
624 #for node_name in node_names:
625 #node = nodes[node_name]
626 #for slice_tag in node.keys():
627 #value = node[slice_tag]
628 #if (isinstance(value, list)):
631 #self.driver.AddSliceTag(slicename, slice_tag, value, node_name)
633 #self.driver.DeleteSliceFromNodes(slicename, deleted_nodes)
636 #self.driver.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id'])