sfa/client/sfi.py

   1 #! /usr/bin/env python
   2
   3 # sfi -- slice-based facility interface
   4
   5 import sys
   6 sys.path.append('.')
   7 import os, os.path
   8 import tempfile
   9 import traceback
  10 import socket
  11 from types import StringTypes, ListType
  12 from optparse import OptionParser
  13 from sfa.trust.certificate import Keypair, Certificate
  14 from sfa.trust.credential import Credential
  15 from sfa.util.sfaticket import SfaTicket
  16 from sfa.util.record import *
  17 from sfa.util.namespace import *
  18 from sfa.util.rspec import RSpec
  19 from sfa.util.xmlrpcprotocol import ServerException
  20 import sfa.util.xmlrpcprotocol as xmlrpcprotocol
  21 from sfa.util.config import Config
  22
  23 # utility methods here
  24 # display methods
  25 def display_rspec(rspec, format = 'rspec'):
  26     if format in ['dns']:
  27         spec = RSpec()
  28         spec.parseString(rspec)
  29         hostnames = []
  30         nodespecs = spec.getDictsByTagName('NodeSpec')
  31         for nodespec in nodespecs:
  32             if nodespec.has_key('name') and nodespec['name']:
  33                 if isinstance(nodespec['name'], ListType):
  34                     hostnames.extend(nodespec['name'])
  35                 elif isinstance(nodespec['name'], StringTypes):
  36                      hostnames.append(nodespec['name'])
  37         result = hostnames
  38     elif format in ['ip']:
  39         spec = RSpec()
  40         spec.parseString(rspec)
  41         ips = []
  42         ifspecs = spec.getDictsByTagName('IfSpec')
  43         for ifspec in ifspecs:
  44             if ifspec.has_key('addr') and ifspec['addr']:
  45                 ips.append(ifspec['addr'])
  46         result = ips
  47     else:
  48         result = rspec
  49
  50     print result
  51     return
  52
  53 def display_list(results):
  54     for result in results:
  55         print result
  56
  57
  58 def display_records(recordList, dump = False):
  59     ''' Print all fields in the record'''
  60     for record in recordList:
  61         display_record(record, dump)
  62
  63 def display_record(record, dump = False):
  64     if dump:
  65         record.dump()
  66     else:
  67         info = record.getdict()
  68         print "%s (%s)" % (info['hrn'], info['type'])
  69     return
  70
  71
  72 def filter_records(type, records):
  73     filtered_records = []
  74     for record in records:
  75         if (record['type'] == type) or (type == "all"):
  76             filtered_records.append(record)
  77     return filtered_records
  78
  79
  80 # save methods
  81 def save_rspec_to_file(rspec, filename):
  82     if not filename.endswith(".rspec"):
  83         filename = filename + ".rspec"
  84
  85     f = open(filename, 'w')
  86     f.write(rspec)
  87     f.close()
  88     return
  89
  90 def save_records_to_file(filename, recordList):
  91     index = 0
  92     for record in recordList:
  93         if index>0:
  94             save_record_to_file(filename + "." + str(index), record)
  95         else:
  96             save_record_to_file(filename, record)
  97         index = index + 1
  98
  99 def save_record_to_file(filename, record):
 100     if record['type'] in ['user']:
 101         record = UserRecord(dict = record)
 102     elif record['type'] in ['slice']:
 103         record = SliceRecord(dict = record)
 104     elif record['type'] in ['node']:
 105         record = NodeRecord(dict = record)
 106     elif record['type'] in ['authority', 'ma', 'sa']:
 107         record = AuthorityRecord(dict = record)
 108     else:
 109         record = SfaRecord(dict = record)
 110     str = record.save_to_string()
 111     file(filename, "w").write(str)
 112     return
 113
 114
 115 # load methods
 116 def load_record_from_file(filename):
 117     str = file(filename, "r").read()
 118     record = SfaRecord(string=str)
 119     return record
 120
 121
 122
 123 class Sfi:
 124
 125     slicemgr = None
 126     registry = None
 127     user = None
 128     authority = None
 129     options = None
 130     hashrequest = False
 131
 132     def create_cmd_parser(self,command, additional_cmdargs = None):
 133         cmdargs = {"gid": "",
 134                   "list": "name",
 135                   "show": "name",
 136                   "remove": "name",
 137                   "add": "record",
 138                   "update": "record",
 139                   "aggregates": "[name]",
 140                   "registries": "[name]",
 141                   "slices": "",
 142                   "resources": "[name]",
 143                   "create": "name rspec",
 144                   "get_trusted_certs": "cred",
 145                   "get_ticket": "name rspec",
 146                   "redeem_ticket": "ticket",
 147                   "delete": "name",
 148                   "reset": "name",
 149                   "start": "name",
 150                   "stop": "name",
 151                   "delegate": "name"
 152                  }
 153
 154         if additional_cmdargs:
 155             cmdargs.update(additional_cmdargs)
 156
 157         if command not in cmdargs:
 158             print "Invalid command\n"
 159             print "Commands: ",
 160             for key in cmdargs.keys():
 161                 print key+",",
 162             print ""
 163             sys.exit(2)
 164
 165         parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
 166                                      % (command, cmdargs[command]))
 167
 168         if command in ("resources"):
 169             parser.add_option("-f", "--format", dest="format",type="choice",
 170                              help="display format ([xml]|dns|ip)",default="xml",
 171                              choices=("xml","dns","ip"))
 172             parser.add_option("-a", "--aggregate", dest="aggregate",
 173                              default=None, help="aggregate hrn")
 174
 175         if command in ("create", "get_ticket"):
 176             parser.add_option("-a", "--aggregate", dest="aggregate",default=None,
 177                              help="aggregate hrn")
 178
 179         if command in ("start", "stop", "reset", "delete", "slices"):
 180             parser.add_option("-c", "--component", dest="component",default=None,
 181                              help="component hrn")
 182
 183         if command in ("list", "show", "remove"):
 184             parser.add_option("-t", "--type", dest="type",type="choice",
 185                             help="type filter ([all]|user|slice|sa|ma|node|aggregate)",
 186                             choices=("all","user","slice","sa","ma","node","aggregate"),
 187                             default="all")
 188
 189         if command in ("resources", "show", "list"):
 190            parser.add_option("-o", "--output", dest="file",
 191                             help="output XML to file", metavar="FILE", default=None)
 192
 193         if command in ("show", "list"):
 194            parser.add_option("-f", "--format", dest="format", type="choice",
 195                              help="display format ([text]|xml)",default="text",
 196                              choices=("text","xml"))
 197
 198         if command in ("delegate"):
 199            parser.add_option("-u", "--user",
 200                             action="store_true", dest="delegate_user", default=False,
 201                             help="delegate user credential")
 202            parser.add_option("-s", "--slice", dest="delegate_slice",
 203                             help="delegate slice credential", metavar="HRN", default=None)
 204         return parser
 205
 206
 207     def create_parser(self):
 208
 209         # Generate command line parser
 210         parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
 211                              description="Commands: gid,list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
 212         parser.add_option("-r", "--registry", dest="registry",
 213                          help="root registry", metavar="URL", default=None)
 214         parser.add_option("-s", "--slicemgr", dest="sm",
 215                          help="slice manager", metavar="URL", default=None)
 216         default_sfi_dir=os.path.expanduser("~/.sfi/")
 217         parser.add_option("-d", "--dir", dest="sfi_dir",
 218                          help="config & working directory - default is " + default_sfi_dir,
 219                          metavar="PATH", default = default_sfi_dir)
 220         parser.add_option("-u", "--user", dest="user",
 221                          help="user name", metavar="HRN", default=None)
 222         parser.add_option("-a", "--auth", dest="auth",
 223                          help="authority name", metavar="HRN", default=None)
 224         parser.add_option("-v", "--verbose",
 225                          action="store_true", dest="verbose", default=False,
 226                          help="verbose mode")
 227         parser.add_option("-p", "--protocol",
 228                          dest="protocol", default="xmlrpc",
 229                          help="RPC protocol (xmlrpc or soap)")
 230         parser.add_option("-k", "--hashrequest",
 231                          action="store_true", dest="hashrequest", default=False,
 232                          help="Create a hash of the request that will be authenticated on the server")
 233         parser.disable_interspersed_args()
 234
 235         return parser
 236
 237
 238     #
 239     # Establish Connection to SliceMgr and Registry Servers
 240     #
 241     def set_servers(self):
 242        config_file = self.options.sfi_dir + os.sep + "sfi_config"
 243        try:
 244           config = Config (config_file)
 245        except:
 246           print "Failed to read configuration file",config_file
 247           print "Make sure to remove the export clauses and to add quotes"
 248           if not self.options.verbose:
 249              print "Re-run with -v for more details"
 250           else:
 251              traceback.print_exc()
 252           sys.exit(1)
 253
 254        errors=0
 255        # Set SliceMgr URL
 256        if (self.options.sm is not None):
 257           sm_url = self.options.sm
 258        elif hasattr(config,"SFI_SM"):
 259           sm_url = config.SFI_SM
 260        else:
 261           print "You need to set e.g. SFI_SM='http://your.slicemanager.url:12347/' in %s"%config_file
 262           errors +=1
 263
 264        # Set Registry URL
 265        if (self.options.registry is not None):
 266           reg_url = self.options.registry
 267        elif hasattr(config,"SFI_REGISTRY"):
 268           reg_url = config.SFI_REGISTRY
 269        else:
 270           print "You need to set e.g. SFI_REGISTRY='http://your.registry.url:12345/' in %s"%config_file
 271           errors +=1
 272
 273        # Set user HRN
 274        if (self.options.user is not None):
 275           self.user = self.options.user
 276        elif hasattr(config,"SFI_USER"):
 277           self.user = config.SFI_USER
 278        else:
 279           print "You need to set e.g. SFI_USER='plc.princeton.username' in %s"%config_file
 280           errors +=1
 281
 282        # Set authority HRN
 283        if (self.options.auth is not None):
 284           self.authority = self.options.auth
 285        elif hasattr(config,"SFI_AUTH"):
 286           self.authority = config.SFI_AUTH
 287        else:
 288           print "You need to set e.g. SFI_AUTH='plc.princeton' in %s"%config_file
 289           errors +=1
 290
 291        if errors:
 292           sys.exit(1)
 293
 294        if self.options.verbose :
 295           print "Contacting Slice Manager at:", sm_url
 296           print "Contacting Registry at:", reg_url
 297
 298        # Get key and certificate
 299        key_file = self.get_key_file()
 300        cert_file = self.get_cert_file(key_file)
 301        self.key = Keypair(filename=key_file)
 302        self.key_file = key_file
 303        self.cert_file = cert_file
 304        self.cert = Certificate(filename=cert_file)
 305        # Establish connection to server(s)
 306        self.registry = xmlrpcprotocol.get_server(reg_url, key_file, cert_file)
 307        self.slicemgr = xmlrpcprotocol.get_server(sm_url, key_file, cert_file)
 308        return
 309
 310     #
 311     # Get various credential and spec files
 312     #
 313     # Establishes limiting conventions
 314     #   - conflates MAs and SAs
 315     #   - assumes last token in slice name is unique
 316     #
 317     # Bootstraps credentials
 318     #   - bootstrap user credential from self-signed certificate
 319     #   - bootstrap authority credential from user credential
 320     #   - bootstrap slice credential from user credential
 321     #
 322
 323
 324     def get_key_file(self):
 325        file=os.path.join(self.options.sfi_dir, self.user.replace(self.authority + '.', '') + ".pkey")
 326        #file = os.path.join(self.options.sfi_dir, get_leaf(self.user) + ".pkey")
 327        if (os.path.isfile(file)):
 328           return file
 329        else:
 330           print "Key file", file, "does not exist"
 331           sys.exit(-1)
 332        return
 333
 334     def get_cert_file(self,key_file):
 335
 336        #file = os.path.join(self.options.sfi_dir, get_leaf(self.user) + ".cert")
 337        file=os.path.join(self.options.sfi_dir, self.user.replace(self.authority + '.', '') + ".cert")
 338        if (os.path.isfile(file)):
 339           return file
 340        else:
 341           k = Keypair(filename = key_file)
 342           cert = Certificate(subject=self.user)
 343           cert.set_pubkey(k)
 344           cert.set_issuer(k, self.user)
 345           cert.sign()
 346           if self.options.verbose :
 347              print "Writing self-signed certificate to", file
 348           cert.save_to_file(file)
 349           return file
 350
 351     def get_gid(self):
 352         #file = os.path.join(self.options.sfi_dir, get_leaf(self.user) + ".gid")
 353         file=os.path.join(self.options.sfi_dir, self.user.replace(self.authority + '.', '') + ".gid")
 354         if (os.path.isfile(file)):
 355             gid = GID(filename=file)
 356             return gid
 357         else:
 358             cert_str = self.cert.save_to_string(save_parents=True)
 359             gid_str = self.registry.get_gid(cert_str, self.user, "user")
 360             gid = GID(string=gid_str)
 361             if self.options.verbose:
 362                 print "Writing user gid to", file
 363             gid.save_to_file(file, save_parents=True)
 364             return gid
 365
 366     def get_user_cred(self):
 367         #file = os.path.join(self.options.sfi_dir, get_leaf(self.user) + ".cred")
 368         file=os.path.join(self.options.sfi_dir, self.user.replace(self.authority + '.', '') + ".cred")
 369         if (os.path.isfile(file)):
 370             user_cred = Credential(filename=file)
 371             return user_cred
 372         else:
 373             # bootstrap user credential
 374             cert_string = self.cert.save_to_string(save_parents=True)
 375             user_name=self.user.replace(self.authority+".", '')
 376             if user_name.count(".") > 0:
 377                 user_name = user_name.replace(".", '_')
 378                 self.user=self.authority + "." + user_name
 379
 380             user_cred = self.registry.get_self_credential(cert_string, "user", self.user)
 381             if user_cred:
 382                cred = Credential(string=user_cred)
 383                cred.save_to_file(file, save_parents=True)
 384                if self.options.verbose:
 385                     print "Writing user credential to", file
 386                return cred
 387             else:
 388                print "Failed to get user credential"
 389                sys.exit(-1)
 390
 391     def get_auth_cred(self):
 392         if not self.authority:
 393             print "no authority specified. Use -a or set SF_AUTH"
 394             sys.exit(-1)
 395
 396         file = os.path.join(self.options.sfi_dir, get_leaf("authority") +".cred")
 397         if (os.path.isfile(file)):
 398             auth_cred = Credential(filename=file)
 399             return auth_cred
 400         else:
 401             # bootstrap authority credential from user credential
 402             user_cred = self.get_user_cred().save_to_string(save_parents=True)
 403             auth_cred = self.registry.get_credential(user_cred, "authority", self.authority)
 404             if auth_cred:
 405                 cred = Credential(string=auth_cred)
 406                 cred.save_to_file(file, save_parents=True)
 407                 if self.options.verbose:
 408                     print "Writing authority credential to", file
 409                 return cred
 410             else:
 411                 print "Failed to get authority credential"
 412                 sys.exit(-1)
 413
 414     def get_slice_cred(self,name):
 415         file = os.path.join(self.options.sfi_dir, "slice_" + get_leaf(name) + ".cred")
 416         if (os.path.isfile(file)):
 417             slice_cred = Credential(filename=file)
 418             return slice_cred
 419         else:
 420             # bootstrap slice credential from user credential
 421             user_cred = self.get_user_cred().save_to_string(save_parents=True)
 422             arg_list = [user_cred, "slice", name]
 423             slice_cred_str = self.registry.get_credential(user_cred, "slice", name)
 424             if slice_cred_str:
 425                 slice_cred = Credential(string=slice_cred_str)
 426                 slice_cred.save_to_file(file, save_parents=True)
 427                 if self.options.verbose:
 428                     print "Writing slice credential to", file
 429                 return slice_cred
 430             else:
 431                 print "Failed to get slice credential"
 432                 sys.exit(-1)
 433
 434     def delegate_cred(self,cred, hrn, type = 'authority'):
 435         # the gid and hrn of the object we are delegating
 436         user_cred = Credential(string=cred)
 437         object_gid = user_cred.get_gid_object()
 438         object_hrn = object_gid.get_hrn()
 439         #cred.set_delegate(True)
 440         #if not cred.get_delegate():
 441         #    raise Exception, "Error: Object credential %(object_hrn)s does not have delegate bit set" % locals()
 442
 443
 444         records = self.registry.resolve(cred, hrn)
 445         records = filter_records(type, records)
 446
 447         if not records:
 448             raise Exception, "Error: Didn't find a %(type)s record for %(hrn)s" % locals()
 449
 450         # the gid of the user who will be delegated too
 451         record = SfaRecord(dict=records[0])
 452         delegee_gid = record.get_gid_object()
 453         delegee_hrn = delegee_gid.get_hrn()
 454
 455         # the key and hrn of the user who will be delegating
 456         user_key = Keypair(filename = self.get_key_file())
 457         user_hrn = user_cred.get_gid_caller().get_hrn()
 458
 459         dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
 460         dcred.set_gid_caller(delegee_gid)
 461         dcred.set_gid_object(object_gid)
 462         dcred.set_privileges(user_cred.get_privileges())
 463         dcred.set_delegate(True)
 464         dcred.set_pubkey(object_gid.get_pubkey())
 465         dcred.set_issuer(user_key, user_hrn)
 466         dcred.set_parent(user_cred)
 467         dcred.encode()
 468         dcred.sign()
 469
 470         return dcred.save_to_string(save_parents=True)
 471
 472     def get_rspec_file(self,rspec):
 473        if (os.path.isabs(rspec)):
 474           file = rspec
 475        else:
 476           file = os.path.join(self.options.sfi_dir, rspec)
 477        if (os.path.isfile(file)):
 478           return file
 479        else:
 480           print "No such rspec file", rspec
 481           sys.exit(1)
 482
 483     def get_record_file(self,record):
 484        if (os.path.isabs(record)):
 485           file = record
 486        else:
 487           file = os.path.join(self.options.sfi_dir, record)
 488        if (os.path.isfile(file)):
 489           return file
 490        else:
 491           print "No such registry record file", record
 492           sys.exit(1)
 493
 494     def load_publickey_string(self,fn):
 495        f = file(fn,"r")
 496        key_string = f.read()
 497
 498        # if the filename is a private key file, then extract the public key
 499        if "PRIVATE KEY" in key_string:
 500            outfn = tempfile.mktemp()
 501            cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
 502            os.system(cmd)
 503            f = file(outfn, "r")
 504            key_string = f.read()
 505            os.remove(outfn)
 506
 507        return key_string
 508
 509     def get_component_server_from_hrn(self, hrn):
 510         # direct connection to the nodes component manager interface
 511         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 512         records = self.registry.resolve(user_cred, hrn)
 513         records = filter_records('node', records)
 514         if not records:
 515             print "No such component:", opts.component
 516         record = records[0]
 517         cm_port = "12346"
 518         url = "https://%s:%s" % (record['hostname'], cm_port)
 519         return xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
 520
 521     #
 522     # Following functions implement the commands
 523     #
 524     # Registry-related commands
 525     #
 526
 527     def dispatch(self,command, cmd_opts, cmd_args):
 528         getattr(self,command)(cmd_opts, cmd_args)
 529
 530     def gid(self, opts, args):
 531         gid = self.get_gid()
 532         print "GID: %s" % (gid.save_to_string(save_parents=True))
 533         return
 534
 535     # list entires in named authority registry
 536     def list(self,opts, args):
 537         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 538         hrn = args[0]
 539         try:
 540             list = self.registry.list(user_cred, hrn)
 541         except IndexError:
 542             raise Exception, "Not enough parameters for the 'list' command"
 543
 544         # filter on person, slice, site, node, etc.
 545         # THis really should be in the self.filter_records funct def comment...
 546         list = filter_records(opts.type, list)
 547         for record in list:
 548             print "%s (%s)" % (record['hrn'], record['type'])
 549         if opts.file:
 550             file = opts.file
 551             if not file.startswith(os.sep):
 552                 file = os.path.join(self.options.sfi_dir, file)
 553             save_records_to_file(file, list)
 554         return
 555
 556     # show named registry record
 557     def show(self,opts, args):
 558         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 559         hrn = args[0]
 560         records = self.registry.resolve(user_cred, hrn)
 561         records = filter_records(opts.type, records)
 562         if not records:
 563             print "No record of type", opts.type
 564         for record in records:
 565             if record['type'] in ['user']:
 566                 record = UserRecord(dict = record)
 567             elif record['type'] in ['slice']:
 568                 record = SliceRecord(dict = record)
 569             elif record['type'] in ['node']:
 570                 record = NodeRecord(dict = record)
 571             elif record['type'] in ['authority', 'ma', 'sa']:
 572                 record = AuthorityRecord(dict = record)
 573             else:
 574                 record = SfaRecord(dict = record)
 575             if (opts.format=="text"):
 576                 record.dump()
 577             else:
 578                 print record.save_to_string()
 579
 580         if opts.file:
 581             file = opts.file
 582             if not file.startswith(os.sep):
 583                 file = os.path.join(self.options.sfi_dir, file)
 584             save_records_to_file(file, records)
 585         return
 586
 587     def delegate(self,opts, args):
 588        user_cred = self.get_user_cred()
 589        if opts.delegate_user:
 590            object_cred = user_cred
 591        elif opts.delegate_slice:
 592            object_cred = self.get_slice_cred(opts.delegate_slice)
 593        else:
 594            print "Must specify either --user or --slice <hrn>"
 595            return
 596
 597        # the gid and hrn of the object we are delegating
 598        object_gid = object_cred.get_gid_object()
 599        object_hrn = object_gid.get_hrn()
 600
 601        if not object_cred.get_delegate():
 602            print "Error: Object credential", object_hrn, "does not have delegate bit set"
 603            return
 604
 605        records = self.registry.resolve(user_cred, args[0])
 606        records = filter_records("user", records)
 607
 608        if not records:
 609            print "Error: Didn't find a user record for", args[0]
 610            return
 611
 612        # the gid of the user who will be delegated too
 613        delegee_gid = records[0].get_gid_object()
 614        delegee_hrn = delegee_gid.get_hrn()
 615
 616        # the key and hrn of the user who will be delegating
 617        user_key = Keypair(filename = self.get_key_file())
 618        user_hrn = user_cred.get_gid_caller().get_hrn()
 619
 620        dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
 621        dcred.set_gid_caller(delegee_gid)
 622        dcred.set_gid_object(object_gid)
 623        dcred.set_privileges(object_cred.get_privileges())
 624        dcred.set_delegate(True)
 625        dcred.set_pubkey(object_gid.get_pubkey())
 626        dcred.set_issuer(user_key, user_hrn)
 627        dcred.set_parent(object_cred)
 628        dcred.encode()
 629        dcred.sign()
 630
 631        if opts.delegate_user:
 632            dest_fn = os.path.join(self.options.sfi_dir, get_leaf(delegee_hrn) + "_"
 633                                   + get_leaf(object_hrn) + ".cred")
 634        elif opts.delegate_slice:
 635            dest_fn = os.path_join(self.options.sfi_dir, get_leaf(delegee_hrn) + "_slice_"
 636                                   + get_leaf(object_hrn) + ".cred")
 637
 638        dcred.save_to_file(dest_fn, save_parents = True)
 639
 640        print "delegated credential for", object_hrn, "to", delegee_hrn, "and wrote to", dest_fn
 641
 642     # removed named registry record
 643     #   - have to first retrieve the record to be removed
 644     def remove(self,opts, args):
 645         auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
 646         hrn = args[0]
 647         type = opts.type
 648         if type in ['all']:
 649             type = '*'
 650         return self.registry.remove(auth_cred, type, hrn)
 651
 652     # add named registry record
 653     def add(self,opts, args):
 654         auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
 655         record_filepath = args[0]
 656         rec_file = self.get_record_file(record_filepath)
 657         record = load_record_from_file(rec_file).as_dict()
 658         return self.registry.register(auth_cred, record)
 659
 660     # update named registry entry
 661     def update(self,opts, args):
 662         user_cred = self.get_user_cred()
 663         rec_file = self.get_record_file(args[0])
 664         record = load_record_from_file(rec_file)
 665         if record['type'] == "user":
 666             if record.get_name() == user_cred.get_gid_object().get_hrn():
 667                 cred = user_cred.save_to_string(save_parents=True)
 668             else:
 669                 cred = self.get_auth_cred().save_to_string(save_parents=True)
 670         elif record['type'] in ["slice"]:
 671             try:
 672                 cred = self.get_slice_cred(record.get_name()).save_to_string(save_parents=True)
 673             except ServerException, e:
 674                # XXX smbaker -- once we have better error return codes, update this
 675                # to do something better than a string compare
 676                if "Permission error" in e.args[0]:
 677                    cred = self.get_auth_cred().save_to_string(save_parents=True)
 678                else:
 679                    raise
 680         elif record.get_type() in ["authority"]:
 681             cred = self.get_auth_cred().save_to_string(save_parents=True)
 682         elif record.get_type() == 'node':
 683             cred = self.get_auth_cred().save_to_string(save_parents=True)
 684         else:
 685             raise "unknown record type" + record.get_type()
 686         record = record.as_dict()
 687         return self.registry.update(cred, record)
 688
 689     def get_trusted_certs(self, opts, args):
 690         """
 691         return the trusted certs at this interface
 692         """
 693         trusted_certs = self.registry.get_trusted_certs()
 694         for trusted_cert in trusted_certs:
 695             cert = Certificate(string=trusted_cert)
 696             print cert.get_subject()
 697         return
 698
 699     def aggregates(self, opts, args):
 700         """
 701         return a list of details about known aggregates
 702         """
 703         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 704         hrn = None
 705         if args:
 706             hrn = args[0]
 707         result = self.registry.get_aggregates(user_cred, hrn)
 708         display_list(result)
 709         return
 710
 711     def registries(self, opts, args):
 712         """
 713         return a list of details about known registries
 714         """
 715         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 716         hrn = None
 717         if args:
 718             hrn = args[0]
 719         result = self.registry.get_registries(user_cred, hrn)
 720         display_list(result)
 721         return
 722
 723
 724     #
 725     # Slice-related commands
 726     #
 727
 728     # list available nodes -- use 'resources' w/ no argument instead
 729
 730     # list instantiated slices
 731     def slices(self,opts, args):
 732         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 733         server = self.slicemgr
 734         # direct connection to the nodes component manager interface
 735         if opts.component:
 736             server = self.get_component_server_from_hrn(opts.component)
 737         results = server.get_slices(user_cred)
 738         display_list(results)
 739         return
 740
 741     # show rspec for named slice
 742     def resources(self,opts, args):
 743         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 744         server = self.slicemgr
 745         if opts.aggregate:
 746             agg_hrn = opts.aggregate
 747             aggregates = self.registry.get_aggregates(user_cred, agg_hrn)
 748             if not aggregates:
 749                 raise Exception, "No such aggregate %s" % agg_hrn
 750             aggregate = aggregates[0]
 751             url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
 752             server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
 753         if args:
 754             cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
 755             hrn = args[0]
 756         else:
 757             cred = user_cred
 758             hrn = None
 759
 760         result = server.get_resources(cred, hrn)
 761         format = opts.format
 762
 763         display_rspec(result, format)
 764         if (opts.file is not None):
 765             file = opts.file
 766             if not file.startswith(os.sep):
 767                 file = os.path.join(self.options.sfi_dir, file)
 768             save_rspec_to_file(result, file)
 769         return
 770
 771     # created named slice with given rspec
 772     def create(self,opts, args):
 773         slice_hrn = args[0]
 774         user_cred = self.get_user_cred()
 775         slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
 776         rspec_file = self.get_rspec_file(args[1])
 777         rspec=open(rspec_file).read()
 778         server = self.slicemgr
 779         if opts.aggregate:
 780             aggregates = self.registry.get_aggregates(user_cred, opts.aggregate)
 781             if not aggregates:
 782                 raise Exception, "No such aggregate %s" % opts.aggregate
 783             aggregate = aggregates[0]
 784             url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
 785             server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file, self.options.protocol)
 786         return server.create_slice(slice_cred, slice_hrn, rspec)
 787
 788     # get a ticket for the specified slice
 789     def get_ticket(self, opts, args):
 790         slice_hrn, rspec_path = args[0], args[1]
 791         user_cred = self.get_user_cred()
 792         slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
 793         rspec_file = self.get_rspec_file(rspec_path)
 794         rspec=open(rspec_file).read()
 795         server = self.slicemgr
 796         if opts.aggregate:
 797             aggregates = self.registry.get_aggregates(user_cred, opts.aggregate)
 798             if not aggregates:
 799                 raise Exception, "No such aggregate %s" % opts.aggregate
 800             aggregate = aggregates[0]
 801             url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
 802             server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file, self.options.protocol)
 803         ticket_string = server.get_ticket(slice_cred, slice_hrn, rspec)
 804         file = os.path.join(self.options.sfi_dir, get_leaf(slice_hrn) + ".ticket")
 805         print "writing ticket to ", file
 806         ticket = SfaTicket(string=ticket_string)
 807         ticket.save_to_file(filename=file, save_parents=True)
 808
 809     def redeem_ticket(self, opts, args):
 810         ticket_file = args[0]
 811
 812         # get slice hrn from the ticket
 813         # use this to get the right slice credential
 814         ticket = SfaTicket(filename=ticket_file)
 815         ticket.decode()
 816         slice_hrn=ticket.gidObject.get_hrn()
 817         #slice_hrn = ticket.attributes['slivers'][0]['hrn']
 818         user_cred = self.get_user_cred()
 819         slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
 820
 821         # get a list node hostnames from the nodespecs in the rspec
 822         rspec = RSpec()
 823         rspec.parseString(ticket.rspec)
 824         nodespecs = rspec.getDictsByTagName('NodeSpec')
 825         hostnames = [nodespec['name'] for nodespec in nodespecs]
 826
 827         # create an xmlrpc connection to the component manager at each of these
 828         # components and gall redeem_ticket
 829         connections = {}
 830         for hostname in hostnames:
 831             try:
 832                 cm_port = "12346"
 833                 url = "https://%(hostname)s:%(cm_port)s" % locals()
 834                 print "Calling redeem_ticket at %(url)s " % locals(),
 835                 cm = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
 836                 cm.redeem_ticket(slice_cred, ticket.save_to_string(save_parents=True))
 837                 print "Success"
 838             except socket.gaierror:
 839                 print "Failed:",
 840                 print "Componet Manager not accepting requests"
 841             except Exception, e:
 842                 print "Failed:", e.message
 843
 844         return
 845
 846     # delete named slice
 847     def delete(self,opts, args):
 848         slice_hrn = args[0]
 849         server = self.slicemgr
 850         # direct connection to the nodes component manager interface
 851         if opts.component:
 852             server = self.get_component_server_from_hrn(opts.component)
 853
 854         slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
 855         return server.delete_slice(slice_cred, slice_hrn)
 856
 857     # start named slice
 858     def start(self,opts, args):
 859         slice_hrn = args[0]
 860         server = self.slicemgr
 861         # direct connection to the nodes component manager interface
 862         if opts.component:
 863             server = self.get_component_server_from_hrn(opts.component)
 864
 865         slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
 866         return server.start_slice(slice_cred, slice_hrn)
 867
 868     # stop named slice
 869     def stop(self,opts, args):
 870         slice_hrn = args[0]
 871         server = self.slicemgr
 872         # direct connection to the nodes component manager interface
 873         if opts.component:
 874             server = self.get_component_server_from_hrn(opts.component)
 875
 876         slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
 877         return server.stop_slice(slice_cred, slice_hrn)
 878
 879     # reset named slice
 880     def reset(self,opts, args):
 881         slice_hrn = args[0]
 882         server = self.slicemgr
 883         # direct connection to the nodes component manager interface
 884         if opts.component:
 885             server = self.get_component_server_from_hrn(opts.component)
 886         slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
 887         return server.reset_slice(slice_cred, slice_hrn)
 888
 889     #
 890     # Main: parse arguments and dispatch to command
 891     #
 892     def main(self):
 893         parser = self.create_parser()
 894         (options, args) = parser.parse_args()
 895         self.options = options
 896
 897         if options.hashrequest:
 898             self.hashrequest=True
 899
 900         if len(args) <= 0:
 901             print "No command given. Use -h for help."
 902             return -1
 903
 904         command = args[0]
 905         (cmd_opts, cmd_args) = self.create_cmd_parser(command).parse_args(args[1:])
 906         if self.options.verbose :
 907             print "Registry %s, sm %s, dir %s, user %s, auth %s" % (options.registry, options.sm,
 908                                                                    options.sfi_dir, options.user,
 909                                                                    options.auth)
 910             print "Command %s" %command
 911             if command in ("resources"):
 912                 print "resources cmd_opts %s" %cmd_opts.format
 913             elif command in ("list","show","remove"):
 914                 print "cmd_opts.type %s" %cmd_opts.type
 915             print "cmd_args %s" %cmd_args
 916
 917         self.set_servers()
 918
 919         try:
 920             self.dispatch(command, cmd_opts, cmd_args)
 921         except KeyError:
 922             raise
 923             print "Command not found:", command
 924             sys.exit(1)
 925
 926         return
 927
 928 if __name__=="__main__":
 929    Sfi().main()