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, top_auth, hash_loginbase
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'])
174 top_auth_hrn = top_auth(slice_hrn)
175 site_hrn = '.'.join(slice_hrn.split('.')[:-1])
176 slice_part = slice_hrn.split('.')[-1]
177 if top_auth_hrn == self.driver.hrn:
178 login_base = slice_hrn.split('.')[-2][:12]
180 login_base = hash_loginbase(site_hrn)
182 slice_name = '_'.join([login_base, slice_part])
184 if slice_name != slice['name']:
186 elif Xrn(lease['component_id']).get_authority_urn().split(':')[0] != self.driver.hrn:
189 hostname = xrn_to_hostname(lease['component_id'])
190 # fill the requested node with nitos ids
191 requested_lease['name'] = slice['name']
192 requested_lease['hostname'] = hostname
193 requested_lease['t_from'] = int(lease['start_time'])
194 requested_lease['t_until'] = int(lease['duration']) * grain + int(lease['start_time'])
195 requested_leases.append(requested_lease)
199 # prepare actual slice leases by lease_id
202 leases_by_id[lease['lease_id']] = {'name': lease['name'], 'hostname': lease['hostname'], \
203 't_from': lease['t_from'], 't_until': lease['t_until']}
207 deleted_leases_id = []
208 for lease_id in leases_by_id:
209 if leases_by_id[lease_id] not in requested_leases:
210 deleted_leases_id.append(lease_id)
212 kept_leases_id.append(lease_id)
213 requested_leases.remove(leases_by_id[lease_id])
214 added_leases = requested_leases
219 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
220 self.driver.shell.DeleteLeases(deleted_leases_id)
221 for lease in added_leases:
222 self.driver.shell.AddLeases(lease['hostname'], slice['name'], lease['t_from'], lease['t_until'])
225 logger.log_exc('Failed to add/remove slice leases')
230 def verify_slice_nodes(self, slice_urn, slice, rspec_nodes, peer):
233 for node in rspec_nodes:
234 hostname = node.get('component_name')
235 client_id = node.get('client_id')
236 component_id = node.get('component_id').strip()
238 hostname = hostname.strip()
240 hostname = xrn_to_hostname(component_id)
242 slivers[hostname] = {'client_id': client_id, 'component_id': component_id}
244 nodes = self.driver.shell.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
245 current_slivers = [node['hostname'] for node in nodes]
247 # remove nodes not in rspec
248 deleted_nodes = list(set(current_slivers).difference(slivers.keys()))
250 # add nodes from rspec
251 added_nodes = list(set(slivers.keys()).difference(current_slivers))
255 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
256 self.driver.shell.AddSliceToNodes(slice['name'], added_nodes)
257 self.driver.shell.DeleteSliceFromNodes(slice['name'], deleted_nodes)
260 logger.log_exc('Failed to add/remove slice from nodes')
262 slices = self.driver.shell.GetSlices(slice['name'], ['node_ids'])
263 resulting_nodes = self.driver.shell.GetNodes(slices[0]['node_ids'])
265 # update sliver allocations
266 for node in resulting_nodes:
267 client_id = slivers[node['hostname']]['client_id']
268 component_id = slivers[node['hostname']]['component_id']
269 sliver_hrn = '%s.%s-%s' % (self.driver.hrn, slice['slice_id'], node['node_id'])
270 sliver_id = Xrn(sliver_hrn, type='sliver').urn
271 record = SliverAllocation(sliver_id=sliver_id, client_id=client_id,
272 component_id=component_id,
273 slice_urn = slice_urn,
274 allocation_state='geni_allocated')
276 return resulting_nodes
278 def free_egre_key(self):
280 for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
281 used.add(int(tag['value']))
283 for i in range(1, 256):
288 raise KeyError("No more EGRE keys available")
292 def verify_slice_links(self, slice, requested_links, nodes):
294 if not requested_links:
297 # exit if links are not supported here
298 topology = Topology()
302 # build dict of nodes
306 nodes_dict[node['node_id']] = node
307 interface_ids.extend(node['interface_ids'])
308 # build dict of interfaces
309 interfaces = self.driver.shell.GetInterfaces(interface_ids)
311 for interface in interfaces:
312 interfaces_dict[interface['interface_id']] = interface
317 slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
320 slice_tags.append({'name': 'netns', 'value': '1'})
323 # need to update the attribute string?
324 slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
326 for link in requested_links:
327 # get the ip address of the first node in the link
328 ifname1 = Xrn(link['interface1']['component_id']).get_leaf()
329 ifname_parts = ifname1.split(':')
330 node_raw = ifname_parts[0]
332 if len(ifname_parts) > 1:
333 device = ifname_parts[1]
334 node_id = int(node_raw.replace('node', ''))
335 node = nodes_dict[node_id]
336 if1 = interfaces_dict[node['interface_ids'][0]]
338 topo_rspec = VLink.get_topo_rspec(link, ipaddr)
340 slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
342 slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
343 #self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
345 self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
349 def handle_peer(self, site, slice, persons, peer):
354 self.driver.shell.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
356 self.driver.shell.DeleteSite(site['site_id'])
362 self.driver.shell.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
364 self.driver.shell.DeleteSlice(slice['slice_id'])
368 for person in persons:
370 self.driver.shell.BindObjectToPeer('person',
371 person['person_id'], peer['shortname'], person['peer_person_id'])
373 for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
375 self.driver.shell.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
377 self.driver.shell.DeleteKey(key['key_id'])
378 logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
380 self.driver.shell.DeletePerson(person['person_id'])
385 def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
386 (slice_hrn, type) = urn_to_hrn(slice_xrn)
387 top_auth_hrn = top_auth(slice_hrn)
388 site_hrn = '.'.join(slice_hrn.split('.')[:-1])
389 if top_auth_hrn == self.driver.hrn:
390 login_base = slice_hrn.split('.')[-2][:12]
392 login_base = hash_loginbase(site_hrn)
394 sites = self.driver.shell.GetSites({'peer_id': None},['site_id','name','abbreviated_name','login_base','hrn'])
396 # filter sites by hrn
397 site_exists = [site for site in sites if site['hrn'] == site_hrn]
400 # create new site record
401 site = {'name': 'sfa:%s' % site_hrn,
402 'abbreviated_name': site_hrn,
403 'login_base': login_base,
407 'peer_site_id': None}
409 site['site_id'] = self.driver.shell.AddSite(site)
411 self.driver.shell.SetSiteHrn(int(site['site_id']), site_hrn)
412 # Tag this as created through SFA
413 self.driver.shell.SetSiteSfaCreated(int(site['site_id']), 'True')
414 # exempt federated sites from monitor policies
415 self.driver.shell.AddSiteTag(int(site['site_id']), 'exempt_site_until', "20200101")
418 site = site_exists[0]
423 def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, expiration, options={}):
424 top_auth_hrn = top_auth(slice_hrn)
425 site_hrn = '.'.join(slice_hrn.split('.')[:-1])
426 slice_part = slice_hrn.split('.')[-1]
427 if top_auth_hrn == self.driver.hrn:
428 login_base = slice_hrn.split('.')[-2][:12]
430 login_base = hash_loginbase(site_hrn)
433 slice_name = '_'.join([login_base, slice_part])
435 slices = self.driver.shell.GetSlices({'peer_id': None},['slice_id','name','hrn'])
436 # Filter slices by HRN
437 slice_exists = [slice for slice in slices if slice['hrn'] == slice_hrn]
438 expires = int(datetime_to_epoch(utcparse(expiration)))
440 slice = {'name': slice_name,
441 'url': slice_record.get('url', slice_hrn),
442 'description': slice_record.get('description', slice_hrn)}
444 slice['slice_id'] = self.driver.shell.AddSlice(slice)
446 self.driver.shell.SetSliceHrn(int(slice['slice_id']), slice_hrn)
447 # Tag this as created through SFA
448 self.driver.shell.SetSliceSfaCreated(int(slice['slice_id']), 'True')
450 self.driver.shell.UpdateSlice(int(slice['slice_id']), {'expires': expires})
453 slice = slice_exists[0]
454 #Update expiration if necessary
455 if slice['expires'] != expires:
456 self.driver.shell.UpdateSlice( int(slice['slice_id']), {'expires' : expires})
458 return self.driver.shell.GetSlices(int(slice['slice_id']))[0]
461 def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
462 top_auth_hrn = top_auth(slice_hrn)
463 site_hrn = '.'.join(slice_hrn.split('.')[:-1])
464 slice_part = slice_hrn.split('.')[-1]
467 user['hrn'], _ = urn_to_hrn(user['urn'])
468 users_by_hrn[user['hrn']] = user
470 if top_auth_hrn == self.driver.hrn:
471 login_base = slice_hrn.split('.')[-2][:12]
473 login_base = hash_loginbase(site_hrn)
475 slice_name = '_'.join([login_base, slice_part])
477 persons = self.driver.shell.GetPersons({'peer_id': None},['person_id','email','hrn'])
478 site = self.driver.shell.GetSites({'peer_id': None, 'login_base': login_base})[0]
479 slice = self.driver.shell.GetSlices({'peer_id': None, 'name': slice_name})[0]
480 slice_persons = self.driver.shell.GetPersons({'peer_id': None, 'person_id': slice['person_ids']},['person_id','email','hrn'])
483 persons_by_email = {}
484 for person in persons:
485 persons_by_hrn[person['hrn']] = person
486 persons_by_email[person['email']] = person
487 slice_persons_by_hrn = {}
488 for slice_person in slice_persons:
489 slice_persons_by_hrn[slice_person['hrn']] = slice_person
491 # sort persons by HRN
492 persons_to_add = set(users_by_hrn.keys()).difference(slice_persons_by_hrn.keys())
493 persons_to_delete = set(slice_persons_by_hrn.keys()).difference(users_by_hrn.keys())
494 persons_to_keep = set(users_by_hrn.keys()).intersection(slice_persons_by_hrn.keys())
497 persons_to_verify_keys = {}
499 # Add persons or add persons to slice
500 for person_hrn in persons_to_add:
501 person_email = users_by_hrn[person_hrn].get('email', None)
502 if person_email and person_email in persons_by_email.keys():
503 # check if the user already exist in PL
504 person_id = persons_by_email[person_email]['person_id']
505 self.driver.shell.AddPersonToSlice(person_id, slice['slice_id'])
506 persons_to_verify_keys[person_id] = users_by_hrn[person_hrn]
510 'first_name': person_hrn,
511 'last_name': person_hrn,
512 'email': users_by_hrn[person_hrn].get('email', "%s@geni.net"%person_hrn.split('.')[-1]),
516 person_id = self.driver.shell.AddPerson(person)
517 self.driver.shell.AddRoleToPerson('user', int(person_id))
518 self.driver.shell.SetPersonHrn(int(person_id), person_hrn)
519 self.driver.shell.SetPersonSfaCreated(int(person_id), 'True')
520 self.driver.shell.AddPersonToSite(int(person_id), site['site_id'])
521 self.driver.shell.AddPersonToSlice(int(person_id), slice['slice_id'])
524 for key in users_by_hrn[person_hrn].get('keys', []):
525 key = {'key':key, 'key_type':'ssh'}
526 self.driver.shell.AddPersonKey(person_id, key)
529 # Delete persons from slice
530 for person_hrn in persons_to_delete:
531 person_id = slice_persons_by_hrn[person_hrn].get('person_id')
532 slice_id = slice['slice_id']
533 self.driver.shell.DeletePersonFromSlice(person_id, slice_id)
536 # Update kept persons
537 for person_hrn in persons_to_keep:
538 person_id = slice_persons_by_hrn[person_hrn].get('person_id')
539 persons_to_verify_keys[person_id] = users_by_hrn[person_hrn]
541 self.verify_keys(persons_to_verify_keys, peer, options)
543 return persons_to_add
546 def verify_keys(self, persons_to_verify_keys, peer, options={}):
547 # we only add keys that comes from sfa to persons in PL
548 for person_id in persons_to_verify_keys:
549 person_sfa_keys = persons_to_verify_keys[person_id].get('keys', [])
550 person_pl_keys = self.driver.shell.GetKeys({'person_id': int(person_id)})
551 person_pl_keys_list = [key['key'] for key in person_pl_keys]
553 keys_to_add = set(person_sfa_keys).difference(person_pl_keys_list)
555 for key_string in keys_to_add:
556 key = {'key': key_string, 'key_type': 'ssh'}
557 self.driver.shell.AddPersonKey(int(person_id), key)
560 def verify_slice_attributes(self, slice, requested_slice_attributes, options={}, admin=False):
561 append = options.get('append', True)
562 # get list of attributes users ar able to manage
563 filter = {'category': '*slice*'}
565 filter['|roles'] = ['user']
566 slice_attributes = self.driver.shell.GetTagTypes(filter)
567 valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
569 # get sliver attributes
570 added_slice_attributes = []
571 removed_slice_attributes = []
572 # we need to keep the slice hrn anyway
573 ignored_slice_attribute_names = ['hrn']
574 existing_slice_attributes = self.driver.shell.GetSliceTags({'slice_id': slice['slice_id']})
576 # get attributes that should be removed
577 for slice_tag in existing_slice_attributes:
578 if slice_tag['tagname'] in ignored_slice_attribute_names:
579 # If a slice already has a admin only role it was probably given to them by an
580 # admin, so we should ignore it.
581 ignored_slice_attribute_names.append(slice_tag['tagname'])
584 # If an existing slice attribute was not found in the request it should
586 attribute_found=False
587 for requested_attribute in requested_slice_attributes:
588 if requested_attribute['name'] == slice_tag['tagname'] and \
589 requested_attribute['value'] == slice_tag['value']:
593 if not attribute_found and not append:
594 removed_slice_attributes.append(slice_tag)
596 # get attributes that should be added:
597 for requested_attribute in requested_slice_attributes:
598 # if the requested attribute wasn't found we should add it
599 if requested_attribute['name'] in valid_slice_attribute_names:
600 attribute_found = False
601 for existing_attribute in existing_slice_attributes:
602 if requested_attribute['name'] == existing_attribute['tagname'] and \
603 requested_attribute['value'] == existing_attribute['value']:
606 if not attribute_found:
607 added_slice_attributes.append(requested_attribute)
610 # remove stale attributes
611 for attribute in removed_slice_attributes:
613 self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
615 logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
616 % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))
618 # add requested_attributes
619 for attribute in added_slice_attributes:
621 self.driver.shell.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
623 logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
624 % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))