sfa/senslab/slabslices.py

   1 from sfa.util.xrn import get_authority, urn_to_hrn
   2 from sfa.util.sfalogging import logger
   3
   4
   5 MAXINT =  2L**31-1
   6
   7 class SlabSlices:
   8
   9     rspec_to_slice_tag = {'max_rate':'net_max_rate'}
  10
  11
  12     def __init__(self, driver):
  13         self.driver = driver
  14
  15
  16     def get_peer(self, xrn):
  17         hrn, hrn_type = urn_to_hrn(xrn)
  18         #Does this slice belong to a local site or a peer senslab site?
  19         peer = None
  20
  21         # get this slice's authority (site)
  22         slice_authority = get_authority(hrn)
  23         site_authority = slice_authority
  24         # get this site's authority (sfa root authority or sub authority)
  25         #site_authority = get_authority(slice_authority).lower()
  26         logger.debug("SLABSLICES \ get_peer slice_authority  %s \
  27                     site_authority %s hrn %s" %(slice_authority, \
  28                                         site_authority, hrn))
  29         #This slice belongs to the current site
  30         if site_authority == self.driver.root_auth :
  31             return None
  32         # check if we are already peered with this site_authority, if so
  33         #peers = self.driver.GetPeers({})
  34         peers = self.driver.GetPeers(peer_filter = slice_authority)
  35         for peer_record in peers:
  36
  37             if site_authority == peer_record.hrn:
  38                 peer = peer_record
  39         logger.debug(" SLABSLICES \tget_peer peer  %s " %(peer))
  40         return peer
  41
  42     def get_sfa_peer(self, xrn):
  43         hrn, hrn_type = urn_to_hrn(xrn)
  44
  45         # return the authority for this hrn or None if we are the authority
  46         sfa_peer = None
  47         slice_authority = get_authority(hrn)
  48         site_authority = get_authority(slice_authority)
  49
  50         if site_authority != self.driver.hrn:
  51             sfa_peer = site_authority
  52
  53         return sfa_peer
  54
  55
  56     def verify_slice_leases(self, sfa_slice, requested_jobs_dict, peer):
  57
  58
  59         #First get the list of current leases from OAR
  60         leases = self.driver.GetLeases({'name':sfa_slice['slice_hrn']})
  61         logger.debug("SLABSLICES verify_slice_leases requested_jobs_dict %s \
  62                         leases %s "%(requested_jobs_dict, leases ))
  63
  64         current_nodes_reserved_by_start_time = {}
  65         requested_nodes_by_start_time = {}
  66         leases_by_start_time = {}
  67         reschedule_jobs_dict = {}
  68
  69
  70         #Create reduced dictionary with key start_time and value
  71         # the list of nodes
  72         #-for the leases already registered by OAR first
  73         # then for the new leases requested by the user
  74
  75         #Leases already scheduled/running in OAR
  76         for lease in leases :
  77             current_nodes_reserved_by_start_time[lease['t_from']] = \
  78                     lease['reserved_nodes']
  79             leases_by_start_time[lease['t_from']] = lease
  80
  81
  82         #Requested jobs
  83         for start_time in requested_jobs_dict:
  84             requested_nodes_by_start_time[int(start_time)]  = \
  85                     requested_jobs_dict[start_time]['hostname']
  86         #Check if there is any difference between the leases already
  87         #registered in OAR and the requested jobs.
  88         #Difference could be:
  89         #-Lease deleted in the requested jobs
  90         #-Added/removed nodes
  91         #-Newly added lease
  92
  93         logger.debug("SLABSLICES verify_slice_leases \
  94                         requested_nodes_by_start_time %s \
  95                         "%(requested_nodes_by_start_time ))
  96         #Find all deleted leases
  97         start_time_list = \
  98             list(set(leases_by_start_time.keys()).\
  99             difference(requested_nodes_by_start_time.keys()))
 100         deleted_leases = [leases_by_start_time[start_time]['lease_id'] \
 101                             for start_time in start_time_list]
 102
 103
 104
 105         #Find added or removed nodes in exisiting leases
 106         for start_time in requested_nodes_by_start_time:
 107             logger.debug("SLABSLICES verify_slice_leases  start_time %s \
 108                          "%( start_time))
 109             if start_time in current_nodes_reserved_by_start_time:
 110
 111                 if requested_nodes_by_start_time[start_time] == \
 112                     current_nodes_reserved_by_start_time[start_time]:
 113                     continue
 114
 115                 else:
 116                     update_node_set = \
 117                             set(requested_nodes_by_start_time[start_time])
 118                     added_nodes = \
 119                         update_node_set.difference(\
 120                         current_nodes_reserved_by_start_time[start_time])
 121                     shared_nodes = \
 122                         update_node_set.intersection(\
 123                         current_nodes_reserved_by_start_time[start_time])
 124                     old_nodes_set = \
 125                         set(\
 126                         current_nodes_reserved_by_start_time[start_time])
 127                     removed_nodes = \
 128                         old_nodes_set.difference(\
 129                         requested_nodes_by_start_time[start_time])
 130                     logger.debug("SLABSLICES verify_slice_leases \
 131                         shared_nodes %s  added_nodes %s removed_nodes %s"\
 132                         %(shared_nodes, added_nodes,removed_nodes ))
 133                     #If the lease is modified, delete it before
 134                     #creating it again.
 135                     #Add the deleted lease job id in the list
 136                     #WARNING :rescheduling does not work if there is already
 137                     # 2 running/scheduled jobs because deleting a job
 138                     #takes time SA 18/10/2012
 139                     if added_nodes or removed_nodes:
 140                         deleted_leases.append(\
 141                             leases_by_start_time[start_time]['lease_id'])
 142                         #Reschedule the job
 143                         if added_nodes or shared_nodes:
 144                             reschedule_jobs_dict[str(start_time)] = \
 145                                         requested_jobs_dict[str(start_time)]
 146
 147             else:
 148                     #New lease
 149
 150                     job = requested_jobs_dict[str(start_time)]
 151                     logger.debug("SLABSLICES \
 152                     NEWLEASE slice %s  job %s"\
 153                     %(sfa_slice, job))
 154                     self.driver.AddLeases(job['hostname'], \
 155                             sfa_slice, int(job['start_time']), \
 156                             int(job['duration']))
 157
 158         #Deleted leases are the ones with lease id not declared in the Rspec
 159         if deleted_leases:
 160             self.driver.DeleteLeases(deleted_leases, sfa_slice['slice_hrn'])
 161             logger.debug("SLABSLICES \
 162                     verify_slice_leases slice %s deleted_leases %s"\
 163                     %(sfa_slice, deleted_leases))
 164
 165
 166         if reschedule_jobs_dict :
 167             for start_time in  reschedule_jobs_dict:
 168                 job = reschedule_jobs_dict[start_time]
 169                 self.driver.AddLeases(job['hostname'], \
 170                     sfa_slice, int(job['start_time']), \
 171                     int(job['duration']))
 172         return leases
 173
 174     def verify_slice_nodes(self, sfa_slice, requested_slivers, peer):
 175         current_slivers = []
 176         deleted_nodes = []
 177
 178         if 'node_ids' in sfa_slice:
 179             nodes = self.driver.GetNodes(sfa_slice['list_node_ids'], \
 180                 ['hostname'])
 181             current_slivers = [node['hostname'] for node in nodes]
 182
 183             # remove nodes not in rspec
 184             deleted_nodes = list(set(current_slivers).\
 185                                                 difference(requested_slivers))
 186             # add nodes from rspec
 187             #added_nodes = list(set(requested_slivers).\
 188                                         #difference(current_slivers))
 189
 190
 191             logger.debug("SLABSLICES \tverify_slice_nodes slice %s\
 192                                          \r\n \r\n deleted_nodes %s"\
 193                                         %(sfa_slice, deleted_nodes))
 194
 195             if deleted_nodes:
 196                 #Delete the entire experience
 197                 self.driver.DeleteSliceFromNodes(sfa_slice)
 198                 #self.driver.DeleteSliceFromNodes(sfa_slice['slice_hrn'], \
 199                                                                 #deleted_nodes)
 200             return nodes
 201
 202
 203
 204     def free_egre_key(self):
 205         used = set()
 206         for tag in self.driver.GetSliceTags({'tagname': 'egre_key'}):
 207             used.add(int(tag['value']))
 208
 209         for i in range(1, 256):
 210             if i not in used:
 211                 key = i
 212                 break
 213         else:
 214             raise KeyError("No more EGRE keys available")
 215
 216         return str(key)
 217
 218
 219
 220
 221
 222
 223     def handle_peer(self, site, sfa_slice, persons, peer):
 224         if peer:
 225             # bind site
 226             try:
 227                 if site:
 228                     self.driver.BindObjectToPeer('site', site['site_id'], \
 229                                         peer['shortname'], sfa_slice['site_id'])
 230             except Exception, error:
 231                 self.driver.DeleteSite(site['site_id'])
 232                 raise error
 233
 234             # bind slice
 235             try:
 236                 if sfa_slice:
 237                     self.driver.BindObjectToPeer('slice', slice['slice_id'], \
 238                                     peer['shortname'], sfa_slice['slice_id'])
 239             except Exception, error:
 240                 self.driver.DeleteSlice(sfa_slice['slice_id'])
 241                 raise error
 242
 243             # bind persons
 244             for person in persons:
 245                 try:
 246                     self.driver.BindObjectToPeer('person', \
 247                                     person['person_id'], peer['shortname'], \
 248                                     person['peer_person_id'])
 249
 250                     for (key, remote_key_id) in zip(person['keys'], \
 251                                                         person['key_ids']):
 252                         try:
 253                             self.driver.BindObjectToPeer( 'key', \
 254                                             key['key_id'], peer['shortname'], \
 255                                             remote_key_id)
 256                         except:
 257                             self.driver.DeleteKey(key['key_id'])
 258                             logger.log_exc("failed to bind key: %s \
 259                                             to peer: %s " % (key['key_id'], \
 260                                             peer['shortname']))
 261                 except Exception, error:
 262                     self.driver.DeletePerson(person['person_id'])
 263                     raise error
 264
 265         return sfa_slice
 266
 267     #def verify_site(self, slice_xrn, slice_record={}, peer=None, \
 268                                         #sfa_peer=None, options={}):
 269         #(slice_hrn, type) = urn_to_hrn(slice_xrn)
 270         #site_hrn = get_authority(slice_hrn)
 271         ## login base can't be longer than 20 characters
 272         ##slicename = hrn_to_pl_slicename(slice_hrn)
 273         #authority_name = slice_hrn.split('.')[0]
 274         #login_base = authority_name[:20]
 275         #logger.debug(" SLABSLICES.PY \tverify_site authority_name %s  \
 276                                         #login_base %s slice_hrn %s" \
 277                                         #%(authority_name,login_base,slice_hrn)
 278
 279         #sites = self.driver.GetSites(login_base)
 280         #if not sites:
 281             ## create new site record
 282             #site = {'name': 'geni.%s' % authority_name,
 283                     #'abbreviated_name': authority_name,
 284                     #'login_base': login_base,
 285                     #'max_slices': 100,
 286                     #'max_slivers': 1000,
 287                     #'enabled': True,
 288                     #'peer_site_id': None}
 289             #if peer:
 290                 #site['peer_site_id'] = slice_record.get('site_id', None)
 291             #site['site_id'] = self.driver.AddSite(site)
 292             ## exempt federated sites from monitor policies
 293             #self.driver.AddSiteTag(site['site_id'], 'exempt_site_until', \
 294                                                                 #"20200101")
 295
 296             ### is this still necessary?
 297             ### add record to the local registry
 298             ##if sfa_peer and slice_record:
 299                 ##peer_dict = {'type': 'authority', 'hrn': site_hrn, \
 300                              ##'peer_authority': sfa_peer, 'pointer': \
 301                                                         #site['site_id']}
 302                 ##self.registry.register_peer_object(self.credential, peer_dict)
 303         #else:
 304             #site =  sites[0]
 305             #if peer:
 306                 ## unbind from peer so we can modify if necessary.
 307                 ## Will bind back later
 308                 #self.driver.UnBindObjectFromPeer('site', site['site_id'], \
 309                                                             #peer['shortname'])
 310
 311         #return site
 312
 313     def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer):
 314
 315         #login_base = slice_hrn.split(".")[0]
 316         slicename = slice_hrn
 317         slices_list = self.driver.GetSlices(slice_filter = slicename, \
 318                                             slice_filter_type = 'slice_hrn')
 319         if slices_list:
 320             for sl in slices_list:
 321
 322                 logger.debug("SLABSLICE \tverify_slice slicename %s slices_list %s sl %s \
 323                                     slice_record %s"%(slicename, slices_list,sl, \
 324                                                             slice_record))
 325                 sfa_slice = sl
 326                 sfa_slice.update(slice_record)
 327                 #del slice['last_updated']
 328                 #del slice['date_created']
 329                 #if peer:
 330                     #slice['peer_slice_id'] = slice_record.get('slice_id', None)
 331                     ## unbind from peer so we can modify if necessary.
 332                     ## Will bind back later
 333                     #self.driver.UnBindObjectFromPeer('slice', \
 334                                                         #slice['slice_id'], \
 335                                                             #peer['shortname'])
 336                 #Update existing record (e.g. expires field)
 337                     #it with the latest info.
 338                 ##if slice_record and slice['expires'] != slice_record['expires']:
 339                     ##self.driver.UpdateSlice( slice['slice_id'], {'expires' : \
 340                                                         #slice_record['expires']})
 341         else:
 342             #Search for user in ldap based on email SA 14/11/12
 343             ldap_user = self.driver.ldap.LdapFindUser(slice_record['user'])
 344             logger.debug(" SLABSLICES \tverify_slice Oups \
 345                         slice_record %s peer %s sfa_peer %s ldap_user %s"\
 346                         %(slice_record, peer,sfa_peer ,ldap_user ))
 347             #User already registered in ldap, meaning user should be in SFA db
 348             #and hrn = sfa_auth+ uid
 349             if ldap_user :
 350                 hrn = self.driver.root_auth +'.'+ ldap_user['uid']
 351
 352                 user = self.driver.get_user(hrn)
 353
 354                 logger.debug(" SLABSLICES \tverify_slice hrn %s USER %s" %(hrn, user))
 355                 sfa_slice = {'slice_hrn': slicename,
 356                      #'url': slice_record.get('url', slice_hrn),
 357                      #'description': slice_record.get('description', slice_hrn)
 358                      'node_list' : [],
 359                      'authority' : slice_record['authority'],
 360                      'gid':slice_record['gid'],
 361                      'record_id_user' : user.record_id,
 362                      'slice_id' : slice_record['record_id'],
 363                      'reg-researchers':slice_record['reg-researchers'],
 364                      #'record_id_slice': slice_record['record_id'],
 365                      'peer_authority':str(peer.hrn)
 366
 367                      }
 368
 369             if peer:
 370                 sfa_slice['slice_id'] = slice_record['record_id']
 371             # add the slice
 372             self.driver.AddSlice(sfa_slice, user)
 373             #slice['slice_id'] = self.driver.AddSlice(slice)
 374             logger.debug("SLABSLICES \tverify_slice ADDSLICE OK")
 375             #slice['node_ids']=[]
 376             #slice['person_ids'] = []
 377             #if peer:
 378                 #sfa_slice['peer_slice_id'] = slice_record.get('slice_id', None)
 379             # mark this slice as an sfa peer record
 380             #if sfa_peer:
 381                 #peer_dict = {'type': 'slice', 'hrn': slice_hrn,
 382                              #'peer_authority': sfa_peer, 'pointer': \
 383                                                     #slice['slice_id']}
 384                 #self.registry.register_peer_object(self.credential, peer_dict)
 385
 386
 387
 388         return sfa_slice
 389
 390
 391     def verify_persons(self, slice_hrn, slice_record, users,  peer, sfa_peer, \
 392                                                                 options={}):
 393         """
 394         users is a record list. Records can either be local records
 395         or users records from known and trusted federated sites.
 396         If the user is from another site that senslab doesn't trust yet,
 397         then Resolve will raise an error before getting to create_sliver.
 398         """
 399         #TODO SA 21/08/12 verify_persons Needs review
 400
 401
 402         users_by_id = {}
 403         users_by_hrn = {}
 404         #users_dict : dict whose keys can either be the user's hrn or its id.
 405         #Values contains only id and hrn
 406         users_dict = {}
 407
 408         #First create dicts by hrn and id for each user in the user record list:
 409         for user in users:
 410
 411             if 'urn' in user and (not 'hrn' in user ) :
 412                 user['hrn'], user['type'] = urn_to_hrn(user['urn'])
 413
 414             if 'person_id' in user and 'hrn' in user:
 415                 users_by_id[user['person_id']] = user
 416                 users_dict[user['person_id']] = {'person_id':\
 417                                         user['person_id'], 'hrn':user['hrn']}
 418
 419                 users_by_hrn[user['hrn']] = user
 420                 users_dict[user['hrn']] = {'person_id':user['person_id'], \
 421                                                         'hrn':user['hrn']}
 422
 423
 424         logger.debug( "SLABSLICE.PY \t verify_person  \
 425                         users_dict %s \r\n user_by_hrn %s \r\n \
 426                         \tusers_by_id %s " \
 427                         %(users_dict,users_by_hrn, users_by_id))
 428
 429         existing_user_ids = []
 430         existing_user_hrns = []
 431         existing_users = []
 432         # Check if user is in Senslab LDAP using its hrn.
 433         # Assuming Senslab is centralised :  one LDAP for all sites,
 434         # user_id unknown from LDAP
 435         # LDAP does not provide users id, therefore we rely on hrns containing
 436         # the login of the user.
 437         # If the hrn is not a senslab hrn, the user may not be in LDAP.
 438         if users_by_hrn:
 439             #Construct the list of filters (list of dicts) for GetPersons
 440             filter_user = []
 441             for hrn in users_by_hrn:
 442                 filter_user.append (users_by_hrn[hrn])
 443             logger.debug(" SLABSLICE.PY \tverify_person  filter_user %s " \
 444                                                     %(filter_user))
 445             #Check user's in LDAP with GetPersons
 446             #Needed because what if the user has been deleted in LDAP but
 447             #is still in SFA?
 448             existing_users = self.driver.GetPersons(filter_user)
 449
 450             #User's in senslab LDAP
 451             if existing_users:
 452                 for user in existing_users :
 453                     existing_user_hrns.append(users_dict[user['hrn']]['hrn'])
 454                     existing_user_ids.\
 455                                     append(users_dict[user['hrn']]['person_id'])
 456
 457             # User from another known trusted federated site. Check
 458             # if a senslab account matching the email has already been created.
 459             else:
 460                 req = 'mail='
 461                 if isinstance(users, list):
 462
 463                     req += users[0]['email']
 464                 else:
 465                     req += users['email']
 466
 467                 ldap_reslt = self.driver.ldap.LdapSearch(req)
 468                 if ldap_reslt:
 469                     logger.debug(" SLABSLICE.PY \tverify_person users \
 470                                 USER already in Senslab \t ldap_reslt %s \
 471                                 "%( ldap_reslt))
 472                     existing_users.append(ldap_reslt[1])
 473
 474                 else:
 475                     #User not existing in LDAP
 476                     #TODO SA 21/08/12 raise smthg to add user or add it auto ?
 477                     logger.debug(" SLABSLICE.PY \tverify_person users \
 478                                 not in ldap ...NEW ACCOUNT NEEDED %s \r\n \t \
 479                                 ldap_reslt %s "  %(users, ldap_reslt))
 480
 481         requested_user_ids = users_by_id.keys()
 482         requested_user_hrns = users_by_hrn.keys()
 483         logger.debug("SLABSLICE.PY \tverify_person requested_user_ids  %s \
 484                         user_by_hrn %s " %(requested_user_ids, users_by_hrn))
 485
 486
 487         #Check that the user of the slice in the slice record
 488         #matches the existing users
 489         try:
 490             if slice_record['record_id_user'] in requested_user_ids and \
 491                                 slice_record['PI'][0] in requested_user_hrns:
 492                 logger.debug(" SLABSLICE  \tverify_person  \
 493                         requested_user_ids %s = \
 494                         slice_record['record_id_user'] %s" \
 495                         %(requested_user_ids,slice_record['record_id_user']))
 496
 497         except KeyError:
 498             pass
 499
 500
 501         # users to be added, removed or updated
 502         #One user in one senslab slice : there should be no need
 503         #to remove/ add any user from/to a slice.
 504         #However a user from SFA which is not registered in Senslab yet
 505         #should be added to the LDAP.
 506
 507         added_user_hrns = set(requested_user_hrns).\
 508                                             difference(set(existing_user_hrns))
 509
 510         #self.verify_keys(existing_slice_users, updated_users_list, \
 511                                                             #peer, append)
 512
 513         added_persons = []
 514         # add new users
 515         for added_user_hrn in added_user_hrns:
 516             added_user = users_dict[added_user_hrn]
 517             #hrn, type = urn_to_hrn(added_user['urn'])
 518             person = {
 519                 #'first_name': added_user.get('first_name', hrn),
 520                 #'last_name': added_user.get('last_name', hrn),
 521                 'first_name': added_user['first_name'],
 522                 'last_name': added_user['last_name'],
 523                 'person_id': added_user['person_id'],
 524                 'peer_person_id': None,
 525                 'keys': [],
 526                 'key_ids': added_user.get('key_ids', []),
 527
 528             }
 529             person['person_id'] = self.driver.AddPerson(person)
 530             if peer:
 531                 person['peer_person_id'] = added_user['person_id']
 532             added_persons.append(person)
 533
 534             # enable the account
 535             self.driver.UpdatePerson(person['person_id'], {'enabled': True})
 536
 537             # add person to site
 538             #self.driver.AddPersonToSite(added_user_id, login_base)
 539
 540             #for key_string in added_user.get('keys', []):
 541                 #key = {'key':key_string, 'key_type':'ssh'}
 542                 #key['key_id'] = self.driver.AddPersonKey(person['person_id'], \
 543                                                 #                       key)
 544                 #person['keys'].append(key)
 545
 546             # add the registry record
 547             #if sfa_peer:
 548                 #peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': \
 549                                                 #sfa_peer, \
 550                                                 #'pointer': person['person_id']}
 551                 #self.registry.register_peer_object(self.credential, peer_dict)
 552         #for added_slice_user_hrn in \
 553                                 #added_slice_user_hrns.union(added_user_hrns):
 554             #self.driver.AddPersonToSlice(added_slice_user_hrn, \
 555                                                     #slice_record['name'])
 556         #for added_slice_user_id in \
 557                                     #added_slice_user_ids.union(added_user_ids):
 558             # add person to the slice
 559             #self.driver.AddPersonToSlice(added_slice_user_id, \
 560                                                 #slice_record['name'])
 561             # if this is a peer record then it
 562             # should already be bound to a peer.
 563             # no need to return worry about it getting bound later
 564
 565         return added_persons
 566
 567     #Unused
 568     def verify_keys(self, persons, users, peer, options={}):
 569         # existing keys
 570         key_ids = []
 571         for person in persons:
 572             key_ids.extend(person['key_ids'])
 573         keylist = self.driver.GetKeys(key_ids, ['key_id', 'key'])
 574         keydict = {}
 575         for key in keylist:
 576             keydict[key['key']] = key['key_id']
 577         existing_keys = keydict.keys()
 578         persondict = {}
 579         for person in persons:
 580             persondict[person['email']] = person
 581
 582         # add new keys
 583         requested_keys = []
 584         updated_persons = []
 585         for user in users:
 586             user_keys = user.get('keys', [])
 587             updated_persons.append(user)
 588             for key_string in user_keys:
 589                 requested_keys.append(key_string)
 590                 if key_string not in existing_keys:
 591                     key = {'key': key_string, 'key_type': 'ssh'}
 592                     try:
 593                         if peer:
 594                             person = persondict[user['email']]
 595                             self.driver.UnBindObjectFromPeer('person', \
 596                                         person['person_id'], peer['shortname'])
 597                         key['key_id'] = \
 598                                 self.driver.AddPersonKey(user['email'], key)
 599                         if peer:
 600                             key_index = user_keys.index(key['key'])
 601                             remote_key_id = user['key_ids'][key_index]
 602                             self.driver.BindObjectToPeer('key', \
 603                                             key['key_id'], peer['shortname'], \
 604                                             remote_key_id)
 605
 606                     finally:
 607                         if peer:
 608                             self.driver.BindObjectToPeer('person', \
 609                                     person['person_id'], peer['shortname'], \
 610                                     user['person_id'])
 611
 612         # remove old keys (only if we are not appending)
 613         append = options.get('append', True)
 614         if append == False:
 615             removed_keys = set(existing_keys).difference(requested_keys)
 616             for existing_key_id in keydict:
 617                 if keydict[existing_key_id] in removed_keys:
 618
 619                     if peer:
 620                         self.driver.UnBindObjectFromPeer('key', \
 621                                         existing_key_id, peer['shortname'])
 622                     self.driver.DeleteKey(existing_key_id)
 623
 624
 625     #def verify_slice_attributes(self, slice, requested_slice_attributes, \
 626                                             #append=False, admin=False):
 627         ## get list of attributes users ar able to manage
 628         #filter = {'category': '*slice*'}
 629         #if not admin:
 630             #filter['|roles'] = ['user']
 631         #slice_attributes = self.driver.GetTagTypes(filter)
 632         #valid_slice_attribute_names = [attribute['tagname'] \
 633                                             #for attribute in slice_attributes]
 634
 635         ## get sliver attributes
 636         #added_slice_attributes = []
 637         #removed_slice_attributes = []
 638         #ignored_slice_attribute_names = []
 639         #existing_slice_attributes = self.driver.GetSliceTags({'slice_id': \
 640                                                             #slice['slice_id']})
 641
 642         ## get attributes that should be removed
 643         #for slice_tag in existing_slice_attributes:
 644             #if slice_tag['tagname'] in ignored_slice_attribute_names:
 645                 ## If a slice already has a admin only role
 646                 ## it was probably given to them by an
 647                 ## admin, so we should ignore it.
 648                 #ignored_slice_attribute_names.append(slice_tag['tagname'])
 649             #else:
 650                 ## If an existing slice attribute was not
 651                 ## found in the request it should
 652                 ## be removed
 653                 #attribute_found=False
 654                 #for requested_attribute in requested_slice_attributes:
 655                     #if requested_attribute['name'] == slice_tag['tagname'] \
 656                         #and requested_attribute['value'] == slice_tag['value']:
 657                         #attribute_found=True
 658                         #break
 659
 660             #if not attribute_found and not append:
 661                 #removed_slice_attributes.append(slice_tag)
 662
 663         ## get attributes that should be added:
 664         #for requested_attribute in requested_slice_attributes:
 665             ## if the requested attribute wasn't found  we should add it
 666             #if requested_attribute['name'] in valid_slice_attribute_names:
 667                 #attribute_found = False
 668                 #for existing_attribute in existing_slice_attributes:
 669                     #if requested_attribute['name'] == \
 670                         #existing_attribute['tagname'] and \
 671                        #requested_attribute['value'] == \
 672                        #existing_attribute['value']:
 673                         #attribute_found=True
 674                         #break
 675                 #if not attribute_found:
 676                     #added_slice_attributes.append(requested_attribute)
 677
 678
 679         ## remove stale attributes
 680         #for attribute in removed_slice_attributes:
 681             #try:
 682                 #self.driver.DeleteSliceTag(attribute['slice_tag_id'])
 683             #except Exception, error:
 684                 #self.logger.warn('Failed to remove sliver attribute. name: \
 685                                 #%s, value: %s, node_id: %s\nCause:%s'\
 686                                 #% (name, value,  node_id, str(error)))
 687
 688         ## add requested_attributes
 689         #for attribute in added_slice_attributes:
 690             #try:
 691                 #self.driver.AddSliceTag(slice['name'], attribute['name'], \
 692                             #attribute['value'], attribute.get('node_id', None))
 693             #except Exception, error:
 694                 #self.logger.warn('Failed to add sliver attribute. name: %s, \
 695                                 #value: %s, node_id: %s\nCause:%s'\
 696                                 #% (name, value,  node_id, str(error)))
 697
 698