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
  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_name = hrn_to_pl_slicename(lease['slice_id'])
 173              if slice_name != slice['name']:
 174                  continue
 175              elif Xrn(lease['component_id']).get_authority_urn().split(':')[0] != self.driver.hrn:
 176                  continue
 177
 178              hostname = xrn_to_hostname(lease['component_id'])
 179              # fill the requested node with nitos ids
 180              requested_lease['name'] = slice['name']
 181              requested_lease['hostname'] = hostname
 182              requested_lease['t_from'] = int(lease['start_time'])
 183              requested_lease['t_until'] = int(lease['duration']) * grain + int(lease['start_time'])
 184              requested_leases.append(requested_lease)
 185
 186
 187
 188         # prepare actual slice leases by lease_id
 189         leases_by_id = {}
 190         for lease in leases:
 191              leases_by_id[lease['lease_id']] = {'name': lease['name'], 'hostname': lease['hostname'], \
 192                                                 't_from': lease['t_from'], 't_until': lease['t_until']}
 193
 194         added_leases = []
 195         kept_leases_id = []
 196         deleted_leases_id = []
 197         for lease_id in leases_by_id:
 198              if leases_by_id[lease_id] not in requested_leases:
 199                  deleted_leases_id.append(lease_id)
 200              else:
 201                  kept_leases_id.append(lease_id)
 202                  requested_leases.remove(leases_by_id[lease_id])
 203         added_leases = requested_leases
 204
 205
 206         try:
 207             if peer:
 208                 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
 209             self.driver.shell.DeleteLeases(deleted_leases_id)
 210             for lease in added_leases:
 211                 self.driver.shell.AddLeases(lease['hostname'], slice['name'], lease['t_from'], lease['t_until'])
 212
 213         except:
 214             logger.log_exc('Failed to add/remove slice leases')
 215
 216         return leases
 217
 218
 219     def verify_slice_nodes(self, slice_urn, slice, rspec_nodes, peer):
 220
 221         slivers = {}
 222         for node in rspec_nodes:
 223             hostname = node.get('component_name')
 224             client_id = node.get('client_id')
 225             component_id = node.get('component_id').strip()
 226             if hostname:
 227                 hostname = hostname.strip()
 228             elif component_id:
 229                 hostname = xrn_to_hostname(component_id)
 230             if hostname:
 231                 slivers[hostname] = {'client_id': client_id, 'component_id': component_id}
 232
 233         nodes = self.driver.shell.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
 234         current_slivers = [node['hostname'] for node in nodes]
 235
 236         # remove nodes not in rspec
 237         deleted_nodes = list(set(current_slivers).difference(slivers.keys()))
 238
 239         # add nodes from rspec
 240         added_nodes = list(set(slivers.keys()).difference(current_slivers))
 241
 242         try:
 243             if peer:
 244                 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
 245             self.driver.shell.AddSliceToNodes(slice['name'], added_nodes)
 246             self.driver.shell.DeleteSliceFromNodes(slice['name'], deleted_nodes)
 247
 248         except:
 249             logger.log_exc('Failed to add/remove slice from nodes')
 250
 251         slices = self.driver.shell.GetSlices(slice['name'], ['node_ids'])
 252         resulting_nodes = self.driver.shell.GetNodes(slices[0]['node_ids'])
 253
 254         # update sliver allocations
 255         for node in resulting_nodes:
 256             client_id = slivers[node['hostname']]['client_id']
 257             component_id = slivers[node['hostname']]['component_id']
 258             sliver_hrn = '%s.%s-%s' % (self.driver.hrn, slice['slice_id'], node['node_id'])
 259             sliver_id = Xrn(sliver_hrn, type='sliver').urn
 260             record = SliverAllocation(sliver_id=sliver_id, client_id=client_id,
 261                                       component_id=component_id,
 262                                       slice_urn = slice_urn,
 263                                       allocation_state='geni_allocated')
 264             record.sync()
 265         return resulting_nodes
 266
 267     def free_egre_key(self):
 268         used = set()
 269         for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
 270                 used.add(int(tag['value']))
 271
 272         for i in range(1, 256):
 273             if i not in used:
 274                 key = i
 275                 break
 276         else:
 277             raise KeyError("No more EGRE keys available")
 278
 279         return str(key)
 280
 281     def verify_slice_links(self, slice, requested_links, nodes):
 282
 283         if not requested_links:
 284             return
 285
 286         # exit if links are not supported here
 287         topology = Topology()
 288         if not topology:
 289             return
 290
 291         # build dict of nodes
 292         nodes_dict = {}
 293         interface_ids = []
 294         for node in nodes:
 295             nodes_dict[node['node_id']] = node
 296             interface_ids.extend(node['interface_ids'])
 297         # build dict of interfaces
 298         interfaces = self.driver.shell.GetInterfaces(interface_ids)
 299         interfaces_dict = {}
 300         for interface in interfaces:
 301             interfaces_dict[interface['interface_id']] = interface
 302
 303         slice_tags = []
 304
 305         # set egre key
 306         slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
 307
 308         # set netns
 309         slice_tags.append({'name': 'netns', 'value': '1'})
 310
 311         # set cap_net_admin
 312         # need to update the attribute string?
 313         slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
 314
 315         for link in requested_links:
 316             # get the ip address of the first node in the link
 317             ifname1 = Xrn(link['interface1']['component_id']).get_leaf()
 318             ifname_parts = ifname1.split(':')
 319             node_raw = ifname_parts[0]
 320             device = None
 321             if len(ifname_parts) > 1:
 322                 device = ifname_parts[1]
 323             node_id = int(node_raw.replace('node', ''))
 324             node = nodes_dict[node_id]
 325             if1 = interfaces_dict[node['interface_ids'][0]]
 326             ipaddr = if1['ip']
 327             topo_rspec = VLink.get_topo_rspec(link, ipaddr)
 328             # set topo_rspec tag
 329             slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
 330             # set vini_topo tag
 331             slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
 332             #self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
 333
 334         self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
 335
 336
 337
 338     def handle_peer(self, site, slice, persons, peer):
 339         if peer:
 340             # bind site
 341             try:
 342                 if site:
 343                     self.driver.shell.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
 344             except Exception,e:
 345                 self.driver.shell.DeleteSite(site['site_id'])
 346                 raise e
 347
 348             # bind slice
 349             try:
 350                 if slice:
 351                     self.driver.shell.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
 352             except Exception,e:
 353                 self.driver.shell.DeleteSlice(slice['slice_id'])
 354                 raise e
 355
 356             # bind persons
 357             for person in persons:
 358                 try:
 359                     self.driver.shell.BindObjectToPeer('person',
 360                                                      person['person_id'], peer['shortname'], person['peer_person_id'])
 361
 362                     for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
 363                         try:
 364                             self.driver.shell.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
 365                         except:
 366                             self.driver.shell.DeleteKey(key['key_id'])
 367                             logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
 368                 except Exception,e:
 369                     self.driver.shell.DeletePerson(person['person_id'])
 370                     raise e
 371
 372         return slice
 373
 374     def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
 375         (slice_hrn, type) = urn_to_hrn(slice_xrn)
 376         site_hrn = get_authority(slice_hrn)
 377         top_auth_hrn = site_hrn.split('.')[0]
 378         if top_auth_hrn == self.driver.hrn:
 379             # login base can't be longer than 20 characters
 380             slicename = hrn_to_pl_slicename(slice_hrn)
 381             authority_name = slicename.split('_')[0]
 382             login_base = authority_name[:20]
 383         else:
 384             login_base = '8'.join(site_hrn.split('.'))[:20]
 385             authority_name = login_base
 386
 387         sites = self.driver.shell.GetSites(login_base)
 388         if not sites:
 389             # create new site record
 390             site = {'name': 'sfa.%s' % authority_name,
 391                     'abbreviated_name': authority_name,
 392                     'login_base': login_base,
 393                     'max_slices': 100,
 394                     'max_slivers': 1000,
 395                     'enabled': True,
 396                     'peer_site_id': None}
 397             if peer:
 398                 site['peer_site_id'] = slice_record.get('site_id', None)
 399             site['site_id'] = self.driver.shell.AddSite(site)
 400             # exempt federated sites from monitor policies
 401             self.driver.shell.AddSiteTag(site['site_id'], 'exempt_site_until', "20200101")
 402
 403 #            # is this still necessary?
 404 #            # add record to the local registry
 405 #            if sfa_peer and slice_record:
 406 #                peer_dict = {'type': 'authority', 'hrn': site_hrn, \
 407 #                             'peer_authority': sfa_peer, 'pointer': site['site_id']}
 408 #                self.registry.register_peer_object(self.credential, peer_dict)
 409         else:
 410             site =  sites[0]
 411             if peer:
 412                 # unbind from peer so we can modify if necessary. Will bind back later
 413                 self.driver.shell.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
 414
 415         return site
 416
 417
 418     def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, expiration, options={}):
 419         site_hrn = get_authority(slice_hrn)
 420         top_auth_hrn = site_hrn.split('.')[0]
 421         if top_auth_hrn == self.driver.hrn:
 422             slicename = hrn_to_pl_slicename(slice_hrn)
 423             parts = slicename.split("_")
 424             login_base = parts[0]
 425         else:
 426             login_base = '8'.join(site_hrn.split('.'))
 427             slice_name = '_'.join([login_base, slice_hrn.split('.')[-1]])
 428
 429         slices = self.driver.shell.GetSlices([slicename])
 430         expires = int(datetime_to_epoch(utcparse(expiration)))
 431         if not slices:
 432             slice = {'name': slicename,
 433                      'url': slice_record.get('url', slice_hrn),
 434                      'description': slice_record.get('description', slice_hrn)}
 435             # add the slice
 436             slice['slice_id'] = self.driver.shell.AddSlice(slice)
 437             slice['node_ids'] = []
 438             slice['person_ids'] = []
 439             # set the slice HRN
 440             self.driver.shell.SetSliceHrn(int(slice['slice_id']), slice_hrn)
 441
 442             if peer and slice_record:
 443                 slice['peer_slice_id'] = slice_record.get('slice_id', None)
 444             # set the expiration
 445             self.driver.shell.UpdateSlice(slice['slice_id'], {'expires': expires})
 446         else:
 447             slice = slices[0]
 448             # Check slice HRN
 449             if self.driver.shell.GetSliceHrn(slice['slice_id']) != slice_hrn:
 450                 self.driver.shell.SetSliceHrn(slice['slice_id'], slice_hrn)
 451
 452             if peer and slice_record:
 453                 slice['peer_slice_id'] = slice_record.get('slice_id', None)
 454                 # unbind from peer so we can modify if necessary. Will bind back later
 455                 self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
 456
 457                 #Update expiration if necessary
 458             if slice['expires'] != expires:
 459                 self.driver.shell.UpdateSlice( slice['slice_id'], {'expires' : expires})
 460
 461         return slice
 462
 463     #def get_existing_persons(self, users):
 464     def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
 465
 466         site_hrn = get_authority(slice_hrn)
 467         top_auth_hrn = site_hrn.split('.')[0]
 468         if top_auth_hrn == self.driver.hrn:
 469             slicename = hrn_to_pl_slicename(slice_hrn)
 470             parts = slicename.split("_")
 471             login_base = parts[0]
 472         else:
 473             login_base = '8'.join(site_hrn.split('.'))
 474             slice_name = '_'.join([login_base, slice_hrn.split('.')[-1]])
 475
 476
 477
 478         users_by_email = {}
 479         users_by_site = defaultdict(list)
 480         users_dict = {}
 481         for user in users:
 482             user['urn'] = user['urn'].lower()
 483             hrn, type = urn_to_hrn(user['urn'])
 484             username = get_leaf(hrn)
 485             user['username'] = username
 486
 487             site_hrn = get_authority(hrn)
 488             top_auth_hrn = site_hrn.split('.')[0]
 489
 490             if top_auth_hrn == self.driver.hrn:
 491                 login_base = PlXrn(xrn=user['urn']).pl_login_base()
 492             else:
 493                 login_base = '8'.join(site_hrn.split('.'))
 494
 495             user['site'] = login_base
 496             if 'email' in user:
 497                 user['email'] = user['email'].lower()
 498                 users_by_email[user['email']] = user
 499                 users_dict[user['email']] = user
 500             else:
 501                 users_by_site[user['site']].append(user)
 502
 503         # start building a list of existing users
 504         existing_user_ids = []
 505         existing_user_ids_filter = []
 506         if users_by_email:
 507             existing_user_ids_filter.extend(users_by_email.keys())
 508         if users_by_site:
 509             for login_base in users_by_site:
 510                 users = users_by_site[login_base]
 511                 for user in users:
 512                     existing_user_ids_filter.append(user['username']+'@geni.net')
 513
 514         if existing_user_ids_filter:
 515             # get existing users by email
 516             existing_users = self.driver.shell.GetPersons({'email': existing_user_ids_filter},
 517                                                         ['person_id', 'key_ids', 'email'])
 518             existing_user_ids.extend([user['email'] for user in existing_users])
 519
 520         if users_by_site:
 521             # get a list of user sites (based on requeste user urns
 522             site_list = self.driver.shell.GetSites(users_by_site.keys(), \
 523                 ['site_id', 'login_base', 'person_ids'])
 524             # get all existing users at these sites
 525             sites = {}
 526             site_user_ids = []
 527             for site in site_list:
 528                 sites[site['site_id']] = site
 529                 site_user_ids.extend(site['person_ids'])
 530
 531             existing_site_persons_list = self.driver.shell.GetPersons(site_user_ids,
 532                                                                     ['person_id', 'key_ids', 'email', 'site_ids'])
 533
 534             # all requested users are either existing users or new (added) users
 535             for login_base in users_by_site:
 536                 requested_site_users = users_by_site[login_base]
 537                 for requested_user in requested_site_users:
 538                     user_found = False
 539                     for existing_user in existing_site_persons_list:
 540                         for site_id in existing_user['site_ids']:
 541                             if site_id in sites:
 542                                 site = sites[site_id]
 543                                 if login_base == site['login_base'] and \
 544                                    existing_user['email'].startswith(requested_user['username']+'@'):
 545                                     existing_user_ids.append(existing_user['email'])
 546                                     requested_user['email'] = existing_user['email']
 547                                     users_dict[existing_user['email']] = requested_user
 548                                     user_found = True
 549                                     break
 550                         if user_found:
 551                             break
 552
 553                     if user_found == False:
 554                         fake_email = requested_user['username'] + '@geni.net'
 555                         requested_user['email'] = fake_email
 556                         users_dict[fake_email] = requested_user
 557
 558         # requested slice users
 559         requested_user_ids = users_dict.keys()
 560         # existing slice users
 561         existing_slice_users_filter = {'person_id': slice_record.get('person_ids', [])}
 562         existing_slice_users = self.driver.shell.GetPersons(existing_slice_users_filter,
 563                                                           ['person_id', 'key_ids', 'email'])
 564         existing_slice_user_ids = [user['email'] for user in existing_slice_users]
 565
 566         # users to be added, removed or updated
 567         added_user_ids = set(requested_user_ids).difference(existing_user_ids)
 568         added_slice_user_ids = set(requested_user_ids).difference(existing_slice_user_ids)
 569         removed_user_ids = set(existing_slice_user_ids).difference(requested_user_ids)
 570         updated_user_ids = set(existing_slice_user_ids).intersection(requested_user_ids)
 571
 572         # Remove stale users (only if we are not appending).
 573         # Append by default.
 574         append = options.get('append', True)
 575         if append == False:
 576             for removed_user_id in removed_user_ids:
 577                 self.driver.shell.DeletePersonFromSlice(removed_user_id, slice_record['name'])
 578         # update_existing users
 579         updated_users_list = [user for user in users_dict.values() if user['email'] in \
 580           updated_user_ids]
 581         self.verify_keys(existing_slice_users, updated_users_list, peer, options)
 582
 583         added_persons = []
 584         # add new users
 585         for added_user_id in added_user_ids:
 586             added_user = users_dict[added_user_id]
 587             hrn, type = urn_to_hrn(added_user['urn'])
 588             person = {
 589                 'first_name': added_user.get('first_name', hrn),
 590                 'last_name': added_user.get('last_name', hrn),
 591                 'email': added_user_id,
 592                 #'peer_person_id': None,
 593                 #'keys': [],
 594                 #'key_ids': added_user.get('key_ids', []),
 595             }
 596             person['person_id'] = self.driver.shell.AddPerson(person)
 597             self.driver.shell.AddRoleToPerson('user', int(person['person_id']))
 598             # check user HRN
 599             if self.driver.shell.GetPersonHrn(int(person['person_id'])) != hrn:
 600                 self.driver.shell.SetPersonHrn(int(person['person_id']), hrn)
 601
 602             if peer:
 603                 person['peer_person_id'] = added_user['person_id']
 604             added_persons.append(person)
 605
 606             # enable the account
 607             self.driver.shell.UpdatePerson(person['person_id'], {'enabled': True})
 608
 609             # add person to site
 610             self.driver.shell.AddPersonToSite(added_user_id, added_user['site'])
 611
 612             for key_string in added_user.get('keys', []):
 613                 key = {'key':key_string, 'key_type':'ssh'}
 614                 key['key_id'] = self.driver.shell.AddPersonKey(person['person_id'], key)
 615                 if 'keys' not in person:
 616                     person['keys'] = []
 617                 person['keys'].append(key)
 618
 619             # add the registry record
 620 #            if sfa_peer:
 621 #                peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
 622 #                    'pointer': person['person_id']}
 623 #                self.registry.register_peer_object(self.credential, peer_dict)
 624
 625         for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
 626             # add person to the slice
 627             self.driver.shell.AddPersonToSlice(added_slice_user_id, slice_record['name'])
 628             # if this is a peer record then it should already be bound to a peer.
 629             # no need to return worry about it getting bound later
 630
 631         return added_persons
 632
 633
 634     def verify_keys(self, persons, users, peer, options={}):
 635         # existing keys
 636         key_ids = []
 637         for person in persons:
 638             key_ids.extend(person['key_ids'])
 639         keylist = self.driver.shell.GetKeys(key_ids, ['key_id', 'key'])
 640         keydict = {}
 641         for key in keylist:
 642             keydict[key['key']] = key['key_id']
 643         existing_keys = keydict.keys()
 644         persondict = {}
 645         for person in persons:
 646             persondict[person['email']] = person
 647
 648         # add new keys
 649         requested_keys = []
 650         updated_persons = []
 651         for user in users:
 652             user_keys = user.get('keys', [])
 653             updated_persons.append(user)
 654             for key_string in user_keys:
 655                 requested_keys.append(key_string)
 656                 if key_string not in existing_keys:
 657                     key = {'key': key_string, 'key_type': 'ssh'}
 658                     try:
 659                         if peer:
 660                             person = persondict[user['email']]
 661                             self.driver.shell.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
 662                         key['key_id'] = self.driver.shell.AddPersonKey(user['email'], key)
 663                         if peer:
 664                             key_index = user_keys.index(key['key'])
 665                             remote_key_id = user['key_ids'][key_index]
 666                             self.driver.shell.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
 667
 668                     finally:
 669                         if peer:
 670                             self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
 671
 672         # remove old keys (only if we are not appending)
 673         append = options.get('append', True)
 674         if append == False:
 675             removed_keys = set(existing_keys).difference(requested_keys)
 676             for existing_key_id in keydict:
 677                 if keydict[existing_key_id] in removed_keys:
 678                     try:
 679                         if peer:
 680                             self.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
 681                         self.driver.shell.DeleteKey(existing_key_id)
 682                     except:
 683                         pass
 684
 685     def verify_slice_attributes(self, slice, requested_slice_attributes, options={}, admin=False):
 686         append = options.get('append', True)
 687         # get list of attributes users ar able to manage
 688         filter = {'category': '*slice*'}
 689         if not admin:
 690             filter['|roles'] = ['user']
 691         slice_attributes = self.driver.shell.GetTagTypes(filter)
 692         valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
 693
 694         # get sliver attributes
 695         added_slice_attributes = []
 696         removed_slice_attributes = []
 697         ignored_slice_attribute_names = []
 698         existing_slice_attributes = self.driver.shell.GetSliceTags({'slice_id': slice['slice_id']})
 699
 700         # get attributes that should be removed
 701         for slice_tag in existing_slice_attributes:
 702             if slice_tag['tagname'] in ignored_slice_attribute_names:
 703                 # If a slice already has a admin only role it was probably given to them by an
 704                 # admin, so we should ignore it.
 705                 ignored_slice_attribute_names.append(slice_tag['tagname'])
 706             else:
 707                 # If an existing slice attribute was not found in the request it should
 708                 # be removed
 709                 attribute_found=False
 710                 for requested_attribute in requested_slice_attributes:
 711                     if requested_attribute['name'] == slice_tag['tagname'] and \
 712                        requested_attribute['value'] == slice_tag['value']:
 713                         attribute_found=True
 714                         break
 715
 716             if not attribute_found and not append:
 717                 removed_slice_attributes.append(slice_tag)
 718
 719         # get attributes that should be added:
 720         for requested_attribute in requested_slice_attributes:
 721             # if the requested attribute wasn't found  we should add it
 722             if requested_attribute['name'] in valid_slice_attribute_names:
 723                 attribute_found = False
 724                 for existing_attribute in existing_slice_attributes:
 725                     if requested_attribute['name'] == existing_attribute['tagname'] and \
 726                        requested_attribute['value'] == existing_attribute['value']:
 727                         attribute_found=True
 728                         break
 729                 if not attribute_found:
 730                     added_slice_attributes.append(requested_attribute)
 731
 732
 733         # remove stale attributes
 734         for attribute in removed_slice_attributes:
 735             try:
 736                 self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
 737             except Exception, e:
 738                 logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
 739                                 % (slice['name'], attribute['value'],  attribute.get('node_id'), str(e)))
 740
 741         # add requested_attributes
 742         for attribute in added_slice_attributes:
 743             try:
 744                 self.driver.shell.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
 745             except Exception, e:
 746                 logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
 747                                 % (slice['name'], attribute['value'],  attribute.get('node_id'), str(e)))
 748