sfa/managers/registry_manager.py

   1 import types
   2 # for get_key_from_incoming_ip
   3 import tempfile
   4 import os
   5 import commands
   6
   7 from sfa.util.faults import RecordNotFound, AccountNotEnabled, PermissionError, MissingAuthority, \
   8     UnknownSfaType, ExistingRecord, NonExistingRecord
   9 from sfa.util.sfatime import utcparse, datetime_to_epoch
  10 from sfa.util.prefixTree import prefixTree
  11 from sfa.util.xrn import Xrn, get_authority, hrn_to_urn, urn_to_hrn
  12 from sfa.util.version import version_core
  13 from sfa.util.sfalogging import logger
  14
  15 from sfa.util.printable import printable
  16
  17 from sfa.trust.gid import GID
  18 from sfa.trust.credential import Credential
  19 from sfa.trust.certificate import Certificate, Keypair, convert_public_key
  20 from sfa.trust.gid import create_uuid
  21
  22 from sfa.storage.model import make_record, RegRecord, RegAuthority, RegUser, RegSlice, RegKey, \
  23     augment_with_sfa_builtins
  24 ### the types that we need to exclude from sqlobjects before being able to dump
  25 # them on the xmlrpc wire
  26 from sqlalchemy.orm.collections import InstrumentedList
  27
  28 ### historical note -- april 2014
  29 # the myslice chaps rightfully complained about the following discrepancy
  30 # they found that
  31 # * read operations (resolve) expose stuff like e.g.
  32 #   'reg-researchers', or 'reg-pis', but that
  33 # * write operations (register, update) need e.g.
  34 #   'researcher' or 'pi' to be set - reg-* are just ignored
  35 #
  36 # the '_normalize_input' helper functions below aim at ironing this out
  37 # however in order to break as few code as possible we essentially make sure that *both* fields are set
  38 # upon entering the write methods (so again register and update) for legacy, as some driver code
  39 # might depend on the presence of, say, 'researcher'
  40
  41 # normalize an input record to a write method - register or update
  42 # e.g. registry calls this 'reg-researchers'
  43 # while some drivers call this 'researcher'
  44 # we need to make sure that both keys appear and are the same
  45 def _normalize_input (record, reg_key, driver_key):
  46     # this looks right, use this for both keys
  47     if reg_key in record:
  48         # and issue a warning if they were both set and different
  49         # as we're overwriting some user data here
  50         if driver_key in record:
  51             logger.warning ("normalize_input: incoming record has both values, using %s"%reg_key)
  52         record[driver_key] = record[reg_key]
  53     # we only have one key set, duplicate for the other one
  54     elif driver_key in record:
  55         logger.warning ("normalize_input: you should use '%s' instead of '%s'"%(reg_key,driver_key))
  56         record[reg_key] = record[driver_key]
  57
  58 def normalize_input_record (record):
  59     _normalize_input (record, 'reg-researchers','researcher')
  60     _normalize_input (record, 'reg-pis','pi')
  61     _normalize_input (record, 'reg-keys','keys')
  62     # xxx the keys thing could use a little bit more attention:
  63     # some parts of the code are using 'keys' while they should use 'reg-keys'
  64     # but I run out of time for now
  65     if 'reg-keys' in record:
  66         record['keys'] = record['reg-keys']
  67     return record
  68
  69 class RegistryManager:
  70
  71     def __init__ (self, config):
  72         logger.info("Creating RegistryManager[%s]"%id(self))
  73
  74     # The GENI GetVersion call
  75     def GetVersion(self, api, options):
  76         peers = dict ( [ (hrn,interface.get_url()) for (hrn,interface) in api.registries.iteritems()
  77                        if hrn != api.hrn])
  78         xrn=Xrn(api.hrn,type='authority')
  79         return version_core({'interface':'registry',
  80                              'sfa': 3,
  81                              'hrn':xrn.get_hrn(),
  82                              'urn':xrn.get_urn(),
  83                              'peers':peers})
  84
  85     def GetCredential(self, api, xrn, input_type, caller_xrn=None):
  86         # convert xrn to hrn
  87         if input_type:
  88             hrn, _ = urn_to_hrn(xrn)
  89             type = input_type
  90         else:
  91             hrn, type = urn_to_hrn(xrn)
  92
  93         # Slivers don't have credentials but users should be able to
  94         # specify a sliver xrn and receive the slice's credential
  95         # However if input_type is specified
  96         if type == 'sliver' or ( not input_type and '-' in Xrn(hrn).leaf):
  97             slice_xrn = api.driver.sliver_to_slice_xrn(hrn)
  98             hrn = slice_xrn.hrn
  99
 100         # Is this a root or sub authority
 101         auth_hrn = api.auth.get_authority(hrn)
 102         if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
 103             auth_hrn = hrn
 104         auth_info = api.auth.get_auth_info(auth_hrn)
 105
 106         # get record info
 107         dbsession = api.dbsession()
 108         record=dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).first()
 109         if not record:
 110             raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))
 111
 112         # get the callers gid
 113         # if caller_xrn is not specified assume the caller is the record
 114         # object itself.
 115         if not caller_xrn:
 116             caller_hrn = hrn
 117             caller_gid = record.get_gid_object()
 118         else:
 119             caller_hrn, caller_type = urn_to_hrn(caller_xrn)
 120             if caller_type:
 121                 caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn,type=caller_type).first()
 122             else:
 123                 caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn).first()
 124             if not caller_record:
 125                 raise RecordNotFound("Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"%(caller_hrn, caller_type, hrn, type))
 126             caller_gid = GID(string=caller_record.gid)
 127
 128         object_hrn = record.get_gid_object().get_hrn()
 129         # call the builtin authorization/credential generation engine
 130         rights = api.auth.determine_user_rights(caller_hrn, record)
 131         # make sure caller has rights to this object
 132         if rights.is_empty():
 133             raise PermissionError("%s has no rights to %s (%s)" % \
 134                                   (caller_hrn, object_hrn, xrn))
 135         object_gid = GID(string=record.gid)
 136         new_cred = Credential(subject = object_gid.get_subject())
 137         new_cred.set_gid_caller(caller_gid)
 138         new_cred.set_gid_object(object_gid)
 139         new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
 140         #new_cred.set_pubkey(object_gid.get_pubkey())
 141         new_cred.set_privileges(rights)
 142         new_cred.get_privileges().delegate_all_privileges(True)
 143         if hasattr(record,'expires'):
 144             date = utcparse(record.expires)
 145             expires = datetime_to_epoch(date)
 146             new_cred.set_expiration(int(expires))
 147         auth_kind = "authority,ma,sa"
 148         # Parent not necessary, verify with certs
 149         #new_cred.set_parent(api.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
 150         new_cred.encode()
 151         new_cred.sign()
 152
 153         return new_cred.save_to_string(save_parents=True)
 154
 155
 156     # the default for full, which means 'dig into the testbed as well', should be false
 157     def Resolve(self, api, xrns, type=None, details=False):
 158
 159         dbsession = api.dbsession()
 160         if not isinstance(xrns, types.ListType):
 161             # try to infer type if not set and we get a single input
 162             if not type:
 163                 type = Xrn(xrns).get_type()
 164             xrns = [xrns]
 165         hrns = [urn_to_hrn(xrn)[0] for xrn in xrns]
 166
 167         # load all known registry names into a prefix tree and attempt to find
 168         # the longest matching prefix
 169         # create a dict where key is a registry hrn and its value is a list
 170         # of hrns at that registry (determined by the known prefix tree).
 171         xrn_dict = {}
 172         registries = api.registries
 173         tree = prefixTree()
 174         registry_hrns = registries.keys()
 175         tree.load(registry_hrns)
 176         for xrn in xrns:
 177             registry_hrn = tree.best_match(urn_to_hrn(xrn)[0])
 178             if registry_hrn not in xrn_dict:
 179                 xrn_dict[registry_hrn] = []
 180             xrn_dict[registry_hrn].append(xrn)
 181
 182         records = []
 183         for registry_hrn in xrn_dict:
 184             # skip the hrn without a registry hrn
 185             # XX should we let the user know the authority is unknown?
 186             if not registry_hrn:
 187                 continue
 188
 189             # if the best match (longest matching hrn) is not the local registry,
 190             # forward the request
 191             xrns = xrn_dict[registry_hrn]
 192             if registry_hrn != api.hrn:
 193                 credential = api.getCredential()
 194                 interface = api.registries[registry_hrn]
 195                 server_proxy = api.server_proxy(interface, credential)
 196                 # should propagate the details flag but that's not supported in the xmlrpc interface yet
 197                 #peer_records = server_proxy.Resolve(xrns, credential,type, details=details)
 198                 peer_records = server_proxy.Resolve(xrns, credential)
 199                 # pass foreign records as-is
 200                 # previous code used to read
 201                 # records.extend([SfaRecord(dict=record).as_dict() for record in peer_records])
 202                 # not sure why the records coming through xmlrpc had to be processed at all
 203                 records.extend(peer_records)
 204
 205         # try resolving the remaining unfound records at the local registry
 206         local_hrns = list ( set(hrns).difference([record['hrn'] for record in records]) )
 207         #
 208         local_records = dbsession.query(RegRecord).filter(RegRecord.hrn.in_(local_hrns))
 209         if type:
 210             local_records = local_records.filter_by(type=type)
 211         local_records=local_records.all()
 212
 213         for local_record in local_records:
 214             augment_with_sfa_builtins(local_record)
 215
 216         logger.info("Resolve, (details=%s,type=%s) local_records=%s "%(details,type,local_records))
 217         local_dicts = [ record.__dict__ for record in local_records ]
 218
 219         if details:
 220             # in details mode we get as much info as we can, which involves contacting the
 221             # testbed for getting implementation details about the record
 222             api.driver.augment_records_with_testbed_info(local_dicts)
 223             # also we fill the 'url' field for known authorities
 224             # used to be in the driver code, sounds like a poorman thing though
 225             def solve_neighbour_url (record):
 226                 if not record.type.startswith('authority'): return
 227                 hrn=record.hrn
 228                 for neighbour_dict in [ api.aggregates, api.registries ]:
 229                     if hrn in neighbour_dict:
 230                         record.url=neighbour_dict[hrn].get_url()
 231                         return
 232             for record in local_records: solve_neighbour_url (record)
 233
 234         # convert local record objects to dicts for xmlrpc
 235         # xxx somehow here calling dict(record) issues a weird error
 236         # however record.todict() seems to work fine
 237         # records.extend( [ dict(record) for record in local_records ] )
 238         records.extend( [ record.todict(exclude_types=(InstrumentedList,)) for record in local_records ] )
 239
 240         if not records:
 241             raise RecordNotFound(str(hrns))
 242
 243         return records
 244
 245     def List (self, api, xrn, origin_hrn=None, options=None):
 246         if options is None: options={}
 247         dbsession = api.dbsession()
 248         # load all know registry names into a prefix tree and attempt to find
 249         # the longest matching prefix
 250         hrn, type = urn_to_hrn(xrn)
 251         registries = api.registries
 252         registry_hrns = registries.keys()
 253         tree = prefixTree()
 254         tree.load(registry_hrns)
 255         registry_hrn = tree.best_match(hrn)
 256
 257         #if there was no match then this record belongs to an unknow registry
 258         if not registry_hrn:
 259             raise MissingAuthority(xrn)
 260         # if the best match (longest matching hrn) is not the local registry,
 261         # forward the request
 262         record_dicts = []
 263         if registry_hrn != api.hrn:
 264             credential = api.getCredential()
 265             interface = api.registries[registry_hrn]
 266             server_proxy = api.server_proxy(interface, credential)
 267             record_list = server_proxy.List(xrn, credential, options)
 268             # same as above, no need to process what comes from through xmlrpc
 269             # pass foreign records as-is
 270             record_dicts = record_list
 271
 272         # if we still have not found the record yet, try the local registry
 273 #        logger.debug("before trying local records, %d foreign records"% len(record_dicts))
 274         if not record_dicts:
 275             recursive = False
 276             if ('recursive' in options and options['recursive']):
 277                 recursive = True
 278             elif hrn.endswith('*'):
 279                 hrn = hrn[:-1]
 280                 recursive = True
 281
 282             if not api.auth.hierarchy.auth_exists(hrn):
 283                 raise MissingAuthority(hrn)
 284             if recursive:
 285                 records = dbsession.query(RegRecord).filter(RegRecord.hrn.startswith(hrn)).all()
 286 #                logger.debug("recursive mode, found %d local records"%(len(records)))
 287             else:
 288                 records = dbsession.query(RegRecord).filter_by(authority=hrn).all()
 289 #                logger.debug("non recursive mode, found %d local records"%(len(records)))
 290             # so that sfi list can show more than plain names...
 291             for record in records:
 292                 # xxx mystery - again this useless statement is key here so that
 293                 # resulting records have their __dict__ field actually in line with the
 294                 # object's contents; was first observed with authorities' 'name' column
 295                 # that would be missing from result as received by client
 296                 # record.todict() is the place where __dict__ is used
 297                 print "DO NOT REMOVE ME before augment_with_sfa_builtins, record=%s"%record
 298                 augment_with_sfa_builtins(record)
 299             record_dicts = [ record.todict(exclude_types=(InstrumentedList,)) for record in records ]
 300
 301         return record_dicts
 302
 303     def CreateGid(self, api, xrn, cert):
 304         # get the authority
 305         authority = Xrn(xrn=xrn).get_authority_hrn()
 306         auth_info = api.auth.get_auth_info(authority)
 307         if not cert:
 308             pkey = Keypair(create=True)
 309         else:
 310             certificate = Certificate(string=cert)
 311             pkey = certificate.get_pubkey()
 312
 313         # Add the email of the user to SubjectAltName in the GID
 314         email = None
 315         hrn = Xrn(xrn).get_hrn()
 316         dbsession = api.dbsession()
 317         record=dbsession.query(RegUser).filter_by(hrn=hrn).first()
 318         if record:
 319             email = getattr(record,'email',None)
 320         gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey, email=email)
 321         return gid.save_to_string(save_parents=True)
 322
 323     ####################
 324     # utility for handling relationships among the SFA objects
 325
 326     # subject_record describes the subject of the relationships
 327     # ref_record contains the target values for the various relationships we need to manage
 328     # (to begin with, this is just the slice x person (researcher) and authority x person (pi) relationships)
 329     def update_driver_relations (self, api, subject_obj, ref_obj):
 330         type=subject_obj.type
 331         #for (k,v) in subject_obj.__dict__.items(): print k,'=',v
 332         if type=='slice' and hasattr(ref_obj,'researcher'):
 333             self.update_driver_relation(api, subject_obj, ref_obj.researcher, 'user', 'researcher')
 334         elif type=='authority' and hasattr(ref_obj,'pi'):
 335             self.update_driver_relation(api, subject_obj,ref_obj.pi, 'user', 'pi')
 336
 337     # field_key is the name of one field in the record, typically 'researcher' for a 'slice' record
 338     # hrns is the list of hrns that should be linked to the subject from now on
 339     # target_type would be e.g. 'user' in the 'slice' x 'researcher' example
 340     def update_driver_relation (self, api, record_obj, hrns, target_type, relation_name):
 341         dbsession = api.dbsession()
 342         # locate the linked objects in our db
 343         subject_type=record_obj.type
 344         subject_id=record_obj.pointer
 345         # get the 'pointer' field of all matching records
 346         link_id_tuples = dbsession.query(RegRecord.pointer).filter_by(type=target_type).filter(RegRecord.hrn.in_(hrns)).all()
 347         # sqlalchemy returns named tuples for columns
 348         link_ids = [ tuple.pointer for tuple in link_id_tuples ]
 349         api.driver.update_relation (subject_type, target_type, relation_name, subject_id, link_ids)
 350
 351     def Register(self, api, record_dict):
 352
 353         logger.debug("Register: entering with record_dict=%s"%printable(record_dict))
 354         normalize_input_record (record_dict)
 355         logger.debug("Register: normalized record_dict=%s"%printable(record_dict))
 356
 357         dbsession = api.dbsession()
 358         hrn, type = record_dict['hrn'], record_dict['type']
 359         urn = hrn_to_urn(hrn,type)
 360         # validate the type
 361         if type not in ['authority', 'slice', 'node', 'user']:
 362             raise UnknownSfaType(type)
 363
 364         # check if record_dict already exists
 365         existing_records = dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).all()
 366         if existing_records:
 367             raise ExistingRecord(hrn)
 368
 369         assert ('type' in record_dict)
 370         # returns the right type of RegRecord according to type in record
 371         record = make_record(dict=record_dict)
 372         record.just_created()
 373         record.authority = get_authority(record.hrn)
 374         auth_info = api.auth.get_auth_info(record.authority)
 375         pub_key = None
 376         # make sure record has a gid
 377         if not record.gid:
 378             uuid = create_uuid()
 379             pkey = Keypair(create=True)
 380             pub_key=getattr(record,'reg-keys',None)
 381             if pub_key is not None:
 382                 # use only first key in record
 383                 if pub_key and isinstance(pub_key, types.ListType): pub_key = pub_key[0]
 384                 pkey = convert_public_key(pub_key)
 385
 386             email = getattr(record,'email',None)
 387             gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey, email = email)
 388             gid = gid_object.save_to_string(save_parents=True)
 389             record.gid = gid
 390
 391         if isinstance (record, RegAuthority):
 392             # update the tree
 393             if not api.auth.hierarchy.auth_exists(hrn):
 394                 api.auth.hierarchy.create_auth(hrn_to_urn(hrn,'authority'))
 395
 396             # get the GID from the newly created authority
 397             auth_info = api.auth.get_auth_info(hrn)
 398             gid = auth_info.get_gid_object()
 399             record.gid=gid.save_to_string(save_parents=True)
 400
 401             # locate objects for relationships
 402             pi_hrns = getattr(record,'reg-pis',None)
 403             if pi_hrns is not None: record.update_pis (pi_hrns, dbsession)
 404
 405         elif isinstance (record, RegSlice):
 406             researcher_hrns = getattr(record,'reg-researchers',None)
 407             if researcher_hrns is not None: record.update_researchers (researcher_hrns, dbsession)
 408
 409         elif isinstance (record, RegUser):
 410             # create RegKey objects for incoming keys
 411             if hasattr(record,'reg-keys'):
 412                 keys=getattr(record,'reg-keys')
 413                 # some people send the key as a string instead of a list of strings
 414                 if isinstance(keys,types.StringTypes): keys=[keys]
 415                 logger.debug ("creating %d keys for user %s"%(len(keys),record.hrn))
 416                 record.reg_keys = [ RegKey (key) for key in keys ]
 417
 418         # update testbed-specific data if needed
 419         pointer = api.driver.register (record.__dict__, hrn, pub_key)
 420
 421         record.pointer=pointer
 422         dbsession.add(record)
 423         dbsession.commit()
 424
 425         # update membership for researchers, pis, owners, operators
 426         self.update_driver_relations (api, record, record)
 427
 428         return record.get_gid_object().save_to_string(save_parents=True)
 429
 430     def Update(self, api, record_dict):
 431
 432         logger.debug("Update: entering with record_dict=%s"%printable(record_dict))
 433         normalize_input_record (record_dict)
 434         logger.debug("Update: normalized record_dict=%s"%printable(record_dict))
 435
 436         dbsession = api.dbsession()
 437         assert ('type' in record_dict)
 438         new_record = make_record(dict=record_dict)
 439         (type, hrn) = (new_record.type, new_record.hrn)
 440
 441         # make sure the record exists
 442         record = dbsession.query(RegRecord).filter_by(type=type, hrn=hrn).first()
 443         if not record:
 444             raise RecordNotFound("hrn={}, type={}".format(hrn, type))
 445         record.just_updated()
 446
 447         # Use the pointer from the existing record, not the one that the user
 448         # gave us. This prevents the user from inserting a forged pointer
 449         pointer = record.pointer
 450
 451         # is there a change in keys ?
 452         new_key = None
 453         if type == 'user':
 454             if getattr(new_record, 'keys', None):
 455                 new_key = new_record.keys
 456                 if isinstance (new_key, types.ListType):
 457                     new_key = new_key[0]
 458
 459         # take new_key into account
 460         if new_key:
 461             # update the openssl key and gid
 462             pkey = convert_public_key(new_key)
 463             uuid = create_uuid()
 464             urn = hrn_to_urn(hrn,type)
 465
 466             email = getattr(new_record, 'email', None)
 467             if email is None:
 468                 email = getattr(record, 'email', None)
 469             gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey, email = email)
 470             gid = gid_object.save_to_string(save_parents=True)
 471
 472         # xxx should do side effects from new_record to record
 473         # not too sure how to do that
 474         # not too big a deal with planetlab as the driver is authoritative, but...
 475
 476         # update native relations
 477         if isinstance(record, RegSlice):
 478             researcher_hrns = getattr(new_record, 'reg-researchers', None)
 479             if researcher_hrns is not None:
 480                 record.update_researchers (researcher_hrns, dbsession)
 481
 482         elif isinstance(record, RegAuthority):
 483             pi_hrns = getattr(new_record, 'reg-pis', None)
 484             if pi_hrns is not None:
 485                 record.update_pis(pi_hrns, dbsession)
 486             name = getattr(new_record, 'name', None)
 487             if name is not None:
 488                 record.name = name
 489
 490         elif isinstance(record, RegUser):
 491             email = getattr(new_record, 'email', None)
 492             if email is not None:
 493                 record.email = email
 494
 495         # update the PLC information that was specified with the record
 496         # xxx mystery: oddly enough, without this useless statement,
 497         # record.__dict__ as received by the driver seems to be off
 498         # anyway the driver should receive an object
 499         # (and then extract __dict__ itself if needed)
 500         print "DO NOT REMOVE ME before driver.update, record=%s"%record
 501         new_key_pointer = -1
 502         try:
 503            (pointer, new_key_pointer) = api.driver.update (record.__dict__, new_record.__dict__, hrn, new_key)
 504         except:
 505            pass
 506         if new_key and new_key_pointer:
 507             record.reg_keys = [ RegKey (new_key, new_key_pointer)]
 508             record.gid = gid
 509
 510         dbsession.commit()
 511         # update membership for researchers, pis, owners, operators
 512         self.update_driver_relations(api, record, new_record)
 513
 514         return 1
 515
 516     # expecting an Xrn instance
 517     def Remove(self, api, xrn, origin_hrn=None):
 518         dbsession = api.dbsession()
 519         hrn=xrn.get_hrn()
 520         type=xrn.get_type()
 521         request=dbsession.query(RegRecord).filter_by(hrn=hrn)
 522         if type and type not in ['all', '*']:
 523             request=request.filter_by(type=type)
 524
 525         record = request.first()
 526         if not record:
 527             msg="Could not find hrn %s"%hrn
 528             if type: msg += " type=%s"%type
 529             raise RecordNotFound(msg)
 530
 531         type = record.type
 532         if type not in ['slice', 'user', 'node', 'authority'] :
 533             raise UnknownSfaType(type)
 534
 535         credential = api.getCredential()
 536         registries = api.registries
 537
 538         # Try to remove the object from the PLCDB of federated agg.
 539         # This is attempted before removing the object from the local agg's PLCDB and sfa table
 540         if hrn.startswith(api.hrn) and type in ['user', 'slice', 'authority']:
 541             for registry in registries:
 542                 if registry not in [api.hrn]:
 543                     try:
 544                         result=registries[registry].remove_peer_object(credential, record, origin_hrn)
 545                     except:
 546                         pass
 547
 548         # call testbed callback first
 549         # IIUC this is done on the local testbed TOO because of the refreshpeer link
 550         if not api.driver.remove(record.__dict__):
 551             logger.warning("driver.remove failed")
 552
 553         # delete from sfa db
 554         dbsession.delete(record)
 555         dbsession.commit()
 556
 557         return 1
 558
 559     # This is a PLC-specific thing, won't work with other platforms
 560     def get_key_from_incoming_ip (self, api):
 561         dbsession = api.dbsession()
 562         # verify that the callers's ip address exist in the db and is an interface
 563         # for a node in the db
 564         (ip, port) = api.remote_addr
 565         interfaces = api.driver.shell.GetInterfaces({'ip': ip}, ['node_id'])
 566         if not interfaces:
 567             raise NonExistingRecord("no such ip %(ip)s" % locals())
 568         nodes = api.driver.shell.GetNodes([interfaces[0]['node_id']], ['node_id', 'hostname'])
 569         if not nodes:
 570             raise NonExistingRecord("no such node using ip %(ip)s" % locals())
 571         node = nodes[0]
 572
 573         # look up the sfa record
 574         record=dbsession.query(RegRecord).filter_by(type='node',pointer=node['node_id']).first()
 575         if not record:
 576             raise RecordNotFound("node with pointer %s"%node['node_id'])
 577
 578         # generate a new keypair and gid
 579         uuid = create_uuid()
 580         pkey = Keypair(create=True)
 581         urn = hrn_to_urn(record.hrn, record.type)
 582
 583         email = getattr(record, 'email', None)
 584         gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey, email)
 585         gid = gid_object.save_to_string(save_parents=True)
 586         record.gid = gid
 587
 588         # update the record
 589         dbsession.commit()
 590
 591         # attempt the scp the key
 592         # and gid onto the node
 593         # this will only work for planetlab based components
 594         (kfd, key_filename) = tempfile.mkstemp()
 595         (gfd, gid_filename) = tempfile.mkstemp()
 596         pkey.save_to_file(key_filename)
 597         gid_object.save_to_file(gid_filename, save_parents=True)
 598         host = node['hostname']
 599         key_dest="/etc/sfa/node.key"
 600         gid_dest="/etc/sfa/node.gid"
 601         scp = "/usr/bin/scp"
 602         #identity = "/etc/planetlab/root_ssh_key.rsa"
 603         identity = "/etc/sfa/root_ssh_key"
 604         scp_options=" -i %(identity)s " % locals()
 605         scp_options+="-o StrictHostKeyChecking=no " % locals()
 606         scp_key_command="%(scp)s %(scp_options)s %(key_filename)s root@%(host)s:%(key_dest)s" %\
 607                          locals()
 608         scp_gid_command="%(scp)s %(scp_options)s %(gid_filename)s root@%(host)s:%(gid_dest)s" %\
 609                          locals()
 610
 611         all_commands = [scp_key_command, scp_gid_command]
 612
 613         for command in all_commands:
 614             (status, output) = commands.getstatusoutput(command)
 615             if status:
 616                 raise Exception, output
 617
 618         for filename in [key_filename, gid_filename]:
 619             os.unlink(filename)
 620
 621         return 1