sfa/planetlab/plslices.py

   1 import time
   2 from types import StringTypes
   3 from collections import defaultdict
   4
   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
  14
  15 MAXINT =  2L**31-1
  16
  17 class PlSlices:
  18
  19     rspec_to_slice_tag = {'max_rate':'net_max_rate'}
  20
  21     def __init__(self, driver):
  22         self.driver = driver
  23
  24     def get_slivers(self, xrn, node=None):
  25         hrn, type = urn_to_hrn(xrn)
  26
  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)
  31
  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
  36         person_ids = set()
  37         all_slice_tag_ids = set()
  38         for slice in slices:
  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'])
  45         all_persons = {}
  46         for person in all_persons_list:
  47             all_persons[person['person_id']] = person
  48
  49         # Build up list of keys
  50         key_ids = set()
  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'])
  56         all_keys = {}
  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)
  61         all_slice_tags = {}
  62         for slice_tag in all_slice_tags_list:
  63             all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
  64
  65         slivers = []
  66         for slice in slices:
  67             keys = []
  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']:
  72                         continue
  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'],
  77                                     'key': key['key']}]
  78             attributes = []
  79             # All (per-node and global) attributes for this slice
  80             slice_tags = []
  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 = []
  89
  90             if node is not None:
  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']})
  95
  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
 100                 # already set.
 101                 if slice_tag not in slice_tags:
 102                     attributes.append({'tagname': slice_tag['tagname'],
 103                         'value': slice_tag['value']})
 104
 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
 108                 # already set.
 109                 if slice_tag['tagname'] not in sliver_attributes:
 110                     attributes.append({'tagname': slice_tag['tagname'],
 111                                    'value': slice_tag['value']})
 112
 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
 116
 117             slivers.append({
 118                 'hrn': hrn,
 119                 'name': slice['name'],
 120                 'slice_id': slice['slice_id'],
 121                 'instantiation': slice['instantiation'],
 122                 'expires': slice['expires'],
 123                 'keys': keys,
 124                 'attributes': attributes
 125             })
 126
 127         return slivers
 128
 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
 134         peer = None
 135
 136         # get this slice's authority (site)
 137         slice_authority = get_authority(hrn)
 138
 139         # get this site's authority (sfa root authority or sub authority)
 140         site_authority = get_authority(slice_authority).lower()
 141
 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:
 147                 peer = peer_record
 148
 149         return peer
 150
 151     def get_sfa_peer(self, xrn):
 152         hrn, type = urn_to_hrn(xrn)
 153
 154         # return the authority for this hrn or None if we are the authority
 155         sfa_peer = None
 156         slice_authority = get_authority(hrn)
 157         site_authority = get_authority(slice_authority)
 158
 159         if site_authority != self.driver.hrn:
 160             sfa_peer = site_authority
 161
 162         return sfa_peer
 163
 164     def verify_slice_leases(self, slice, rspec_requested_leases, peer):
 165
 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()
 168
 169         requested_leases = []
 170         for lease in rspec_requested_leases:
 171              requested_lease = {}
 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'])
 176              else:
 177                  slice_name = xrn_to_ext_slicename(lease['slice_id'])
 178              if slice_name != slice['name']:
 179                  continue
 180              elif Xrn(lease['component_id']).get_authority_urn().split(':')[0] != self.driver.hrn:
 181                  continue
 182
 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)
 190
 191
 192
 193         # prepare actual slice leases by lease_id
 194         leases_by_id = {}
 195         for lease in leases:
 196              leases_by_id[lease['lease_id']] = {'name': lease['name'], 'hostname': lease['hostname'], \
 197                                                 't_from': lease['t_from'], 't_until': lease['t_until']}
 198
 199         added_leases = []
 200         kept_leases_id = []
 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)
 205              else:
 206                  kept_leases_id.append(lease_id)
 207                  requested_leases.remove(leases_by_id[lease_id])
 208         added_leases = requested_leases
 209
 210
 211         try:
 212             if peer:
 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'])
 217
 218         except:
 219             logger.log_exc('Failed to add/remove slice leases')
 220
 221         return leases
 222
 223
 224     def verify_slice_nodes(self, slice_urn, slice, rspec_nodes, peer):
 225
 226         slivers = {}
 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()
 231             if hostname:
 232                 hostname = hostname.strip()
 233             elif component_id:
 234                 hostname = xrn_to_hostname(component_id)
 235             if hostname:
 236                 slivers[hostname] = {'client_id': client_id, 'component_id': component_id}
 237
 238         nodes = self.driver.shell.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
 239         current_slivers = [node['hostname'] for node in nodes]
 240
 241         # remove nodes not in rspec
 242         deleted_nodes = list(set(current_slivers).difference(slivers.keys()))
 243
 244         # add nodes from rspec
 245         added_nodes = list(set(slivers.keys()).difference(current_slivers))
 246
 247         try:
 248             if peer:
 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)
 252
 253         except:
 254             logger.log_exc('Failed to add/remove slice from nodes')
 255
 256         slices = self.driver.shell.GetSlices(slice['name'], ['node_ids'])
 257         resulting_nodes = self.driver.shell.GetNodes(slices[0]['node_ids'])
 258
 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')
 269             record.sync()
 270         return resulting_nodes
 271
 272     def free_egre_key(self):
 273         used = set()
 274         for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
 275                 used.add(int(tag['value']))
 276
 277         for i in range(1, 256):
 278             if i not in used:
 279                 key = i
 280                 break
 281         else:
 282             raise KeyError("No more EGRE keys available")
 283
 284         return str(key)
 285
 286     def verify_slice_links(self, slice, requested_links, nodes):
 287
 288         if not requested_links:
 289             return
 290
 291         # exit if links are not supported here
 292         topology = Topology()
 293         if not topology:
 294             return
 295
 296         # build dict of nodes
 297         nodes_dict = {}
 298         interface_ids = []
 299         for node in 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)
 304         interfaces_dict = {}
 305         for interface in interfaces:
 306             interfaces_dict[interface['interface_id']] = interface
 307
 308         slice_tags = []
 309
 310         # set egre key
 311         slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
 312
 313         # set netns
 314         slice_tags.append({'name': 'netns', 'value': '1'})
 315
 316         # set cap_net_admin
 317         # need to update the attribute string?
 318         slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
 319
 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]
 325             device = None
 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]]
 331             ipaddr = if1['ip']
 332             topo_rspec = VLink.get_topo_rspec(link, ipaddr)
 333             # set topo_rspec tag
 334             slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
 335             # set vini_topo tag
 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)
 338
 339         self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
 340
 341
 342
 343     def handle_peer(self, site, slice, persons, peer):
 344         if peer:
 345             # bind site
 346             try:
 347                 if site:
 348                     self.driver.shell.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
 349             except Exception,e:
 350                 self.driver.shell.DeleteSite(site['site_id'])
 351                 raise e
 352
 353             # bind slice
 354             try:
 355                 if slice:
 356                     self.driver.shell.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
 357             except Exception,e:
 358                 self.driver.shell.DeleteSlice(slice['slice_id'])
 359                 raise e
 360
 361             # bind persons
 362             for person in persons:
 363                 try:
 364                     self.driver.shell.BindObjectToPeer('person',
 365                                                      person['person_id'], peer['shortname'], person['peer_person_id'])
 366
 367                     for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
 368                         try:
 369                             self.driver.shell.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
 370                         except:
 371                             self.driver.shell.DeleteKey(key['key_id'])
 372                             logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
 373                 except Exception,e:
 374                     self.driver.shell.DeletePerson(person['person_id'])
 375                     raise e
 376
 377         return slice
 378
 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]
 387         else:
 388             login_base = hrn_to_ext_loginbase(slice_hrn)
 389             authority_name = login_base
 390
 391         sites = self.driver.shell.GetSites(login_base)
 392         if not sites:
 393             # create new site record
 394             site = {'name': 'sfa.%s' % authority_name,
 395                     'abbreviated_name': authority_name,
 396                     'login_base': login_base,
 397                     'max_slices': 100,
 398                     'max_slivers': 1000,
 399                     'enabled': True,
 400                     'peer_site_id': None}
 401             if peer:
 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")
 406
 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)
 413         else:
 414             site =  sites[0]
 415             if peer:
 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'])
 418
 419         return site
 420
 421
 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]
 428         else:
 429             login_base = hrn_to_ext_loginbase(slice_hrn)
 430             slicename = xrn_to_ext_slicename(slice_hrn)
 431
 432         slices = self.driver.shell.GetSlices([slicename])
 433         expires = int(datetime_to_epoch(utcparse(expiration)))
 434         if not slices:
 435             slice = {'name': slicename,
 436                      'url': slice_record.get('url', slice_hrn),
 437                      'description': slice_record.get('description', slice_hrn)}
 438             # add the slice
 439             slice['slice_id'] = self.driver.shell.AddSlice(slice)
 440             slice['node_ids'] = []
 441             slice['person_ids'] = []
 442             # set the slice HRN
 443             self.driver.shell.SetSliceHrn(int(slice['slice_id']), slice_hrn)
 444
 445             if peer and slice_record:
 446                 slice['peer_slice_id'] = slice_record.get('slice_id', None)
 447             # set the expiration
 448             self.driver.shell.UpdateSlice(slice['slice_id'], {'expires': expires})
 449         else:
 450             slice = slices[0]
 451             # Check slice HRN
 452             if self.driver.shell.GetSliceHrn(slice['slice_id']) != slice_hrn:
 453                 self.driver.shell.SetSliceHrn(slice['slice_id'], slice_hrn)
 454
 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'])
 459
 460                 #Update expiration if necessary
 461             if slice['expires'] != expires:
 462                 self.driver.shell.UpdateSlice( slice['slice_id'], {'expires' : expires})
 463
 464         return slice
 465
 466     #def get_existing_persons(self, users):
 467     def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
 468         users_by_email = {}
 469         users_by_site = defaultdict(list)
 470         users_dict = {}
 471         for user in users:
 472             user['urn'] = user['urn'].lower()
 473             hrn, type = urn_to_hrn(user['urn'])
 474             username = get_leaf(hrn)
 475             user['username'] = username
 476
 477             top_auth_hrn = top_auth(hrn)
 478
 479             if top_auth_hrn == self.driver.hrn:
 480                 login_base = PlXrn(xrn=user['urn']).pl_login_base()
 481             else:
 482                 login_base = hrn_to_ext_loginbase(hrn)
 483
 484             user['site'] = login_base
 485             if 'email' in user:
 486                 user['email'] = user['email'].lower()
 487                 users_by_email[user['email']] = user
 488                 users_dict[user['email']] = user
 489             else:
 490                 users_by_site[user['site']].append(user)
 491
 492         # start building a list of existing users
 493         existing_user_ids = []
 494         existing_user_ids_filter = []
 495         if users_by_email:
 496             existing_user_ids_filter.extend(users_by_email.keys())
 497         if users_by_site:
 498             for login_base in users_by_site:
 499                 users = users_by_site[login_base]
 500                 for user in users:
 501                     existing_user_ids_filter.append(user['username']+'@geni.net')
 502
 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])
 508
 509         if users_by_site:
 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
 514             sites = {}
 515             site_user_ids = []
 516             for site in site_list:
 517                 sites[site['site_id']] = site
 518                 site_user_ids.extend(site['person_ids'])
 519
 520             existing_site_persons_list = self.driver.shell.GetPersons(site_user_ids,
 521                                                                     ['person_id', 'key_ids', 'email', 'site_ids'])
 522
 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:
 527                     user_found = False
 528                     for existing_user in existing_site_persons_list:
 529                         for site_id in existing_user['site_ids']:
 530                             if site_id in sites:
 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
 537                                     user_found = True
 538                                     break
 539                         if user_found:
 540                             break
 541
 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
 546
 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]
 554
 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)
 560
 561         # Remove stale users (only if we are not appending).
 562         # Append by default.
 563         append = options.get('append', True)
 564         if append == False:
 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 \
 569           updated_user_ids]
 570         self.verify_keys(existing_slice_users, updated_users_list, peer, options)
 571
 572         added_persons = []
 573         # add new users
 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'])
 577             person = {
 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,
 582                 #'keys': [],
 583                 #'key_ids': added_user.get('key_ids', []),
 584             }
 585             person['person_id'] = self.driver.shell.AddPerson(person)
 586             self.driver.shell.AddRoleToPerson('user', int(person['person_id']))
 587             # check user HRN
 588             if self.driver.shell.GetPersonHrn(int(person['person_id'])) != hrn:
 589                 self.driver.shell.SetPersonHrn(int(person['person_id']), hrn)
 590
 591             if peer:
 592                 person['peer_person_id'] = added_user['person_id']
 593             added_persons.append(person)
 594
 595             # enable the account
 596             self.driver.shell.UpdatePerson(person['person_id'], {'enabled': True})
 597
 598             # add person to site
 599             self.driver.shell.AddPersonToSite(added_user_id, added_user['site'])
 600
 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:
 605                     person['keys'] = []
 606                 person['keys'].append(key)
 607
 608             # add the registry record
 609 #            if sfa_peer:
 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)
 613
 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
 619
 620         return added_persons
 621
 622
 623     def verify_keys(self, persons, users, peer, options={}):
 624         # existing keys
 625         key_ids = []
 626         for person in persons:
 627             key_ids.extend(person['key_ids'])
 628         keylist = self.driver.shell.GetKeys(key_ids, ['key_id', 'key'])
 629         keydict = {}
 630         for key in keylist:
 631             keydict[key['key']] = key['key_id']
 632         existing_keys = keydict.keys()
 633         persondict = {}
 634         for person in persons:
 635             persondict[person['email']] = person
 636
 637         # add new keys
 638         requested_keys = []
 639         updated_persons = []
 640         for user in users:
 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'}
 647                     try:
 648                         if peer:
 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)
 652                         if peer:
 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)
 656
 657                     finally:
 658                         if peer:
 659                             self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
 660
 661         # remove old keys (only if we are not appending)
 662         append = options.get('append', True)
 663         if append == False:
 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:
 667                     try:
 668                         if peer:
 669                             self.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
 670                         self.driver.shell.DeleteKey(existing_key_id)
 671                     except:
 672                         pass
 673
 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*'}
 678         if not admin:
 679             filter['|roles'] = ['user']
 680         slice_attributes = self.driver.shell.GetTagTypes(filter)
 681         valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
 682
 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']})
 688
 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'])
 695             else:
 696                 # If an existing slice attribute was not found in the request it should
 697                 # be removed
 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']:
 702                         attribute_found=True
 703                         break
 704
 705             if not attribute_found and not append:
 706                 removed_slice_attributes.append(slice_tag)
 707
 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']:
 716                         attribute_found=True
 717                         break
 718                 if not attribute_found:
 719                     added_slice_attributes.append(requested_attribute)
 720
 721
 722         # remove stale attributes
 723         for attribute in removed_slice_attributes:
 724             try:
 725                 self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
 726             except Exception, e:
 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)))
 729
 730         # add requested_attributes
 731         for attribute in added_slice_attributes:
 732             try:
 733                 self.driver.shell.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
 734             except Exception, e:
 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)))
 737