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             request_hash = self.key.compute_hash([cert_string, "user", self.user])
 376             user_name=self.user.replace(self.authority+".", '')
 377             if user_name.count(".") > 0:
 378                 user_name = user_name.replace(".", '_')
 379                 self.user=self.authority + "." + user_name
 380
 381             user_cred = self.registry.get_self_credential(cert_string, "user", self.user, request_hash)
 382             if user_cred:
 383                cred = Credential(string=user_cred)
 384                cred.save_to_file(file, save_parents=True)
 385                if self.options.verbose:
 386                     print "Writing user credential to", file
 387                return cred
 388             else:
 389                print "Failed to get user credential"
 390                sys.exit(-1)
 391
 392     def get_auth_cred(self):
 393         if not self.authority:
 394             print "no authority specified. Use -a or set SF_AUTH"
 395             sys.exit(-1)
 396
 397         file = os.path.join(self.options.sfi_dir, get_leaf("authority") +".cred")
 398         if (os.path.isfile(file)):
 399             auth_cred = Credential(filename=file)
 400             return auth_cred
 401         else:
 402             # bootstrap authority credential from user credential
 403             user_cred = self.get_user_cred().save_to_string(save_parents=True)
 404             auth_cred = self.registry.get_credential(user_cred, "authority", self.authority)
 405             if auth_cred:
 406                 cred = Credential(string=auth_cred)
 407                 cred.save_to_file(file, save_parents=True)
 408                 if self.options.verbose:
 409                     print "Writing authority credential to", file
 410                 return cred
 411             else:
 412                 print "Failed to get authority credential"
 413                 sys.exit(-1)
 414
 415     def get_slice_cred(self,name):
 416         file = os.path.join(self.options.sfi_dir, "slice_" + get_leaf(name) + ".cred")
 417         if (os.path.isfile(file)):
 418             slice_cred = Credential(filename=file)
 419             return slice_cred
 420         else:
 421             # bootstrap slice credential from user credential
 422             user_cred = self.get_user_cred().save_to_string(save_parents=True)
 423             arg_list = [user_cred, "slice", name]
 424             slice_cred_str = self.registry.get_credential(user_cred, "slice", name)
 425             if slice_cred_str:
 426                 slice_cred = Credential(string=slice_cred_str)
 427                 slice_cred.save_to_file(file, save_parents=True)
 428                 if self.options.verbose:
 429                     print "Writing slice credential to", file
 430                 return slice_cred
 431             else:
 432                 print "Failed to get slice credential"
 433                 sys.exit(-1)
 434
 435     def delegate_cred(self,cred, hrn, type = 'authority'):
 436         # the gid and hrn of the object we are delegating
 437         user_cred = Credential(string=cred)
 438         object_gid = user_cred.get_gid_object()
 439         object_hrn = object_gid.get_hrn()
 440         #cred.set_delegate(True)
 441         #if not cred.get_delegate():
 442         #    raise Exception, "Error: Object credential %(object_hrn)s does not have delegate bit set" % locals()
 443
 444
 445         records = self.registry.resolve(cred, hrn)
 446         records = filter_records(type, records)
 447
 448         if not records:
 449             raise Exception, "Error: Didn't find a %(type)s record for %(hrn)s" % locals()
 450
 451         # the gid of the user who will be delegated too
 452         record = SfaRecord(dict=records[0])
 453         delegee_gid = record.get_gid_object()
 454         delegee_hrn = delegee_gid.get_hrn()
 455
 456         # the key and hrn of the user who will be delegating
 457         user_key = Keypair(filename = self.get_key_file())
 458         user_hrn = user_cred.get_gid_caller().get_hrn()
 459
 460         dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
 461         dcred.set_gid_caller(delegee_gid)
 462         dcred.set_gid_object(object_gid)
 463         dcred.set_privileges(user_cred.get_privileges())
 464         dcred.set_delegate(True)
 465         dcred.set_pubkey(object_gid.get_pubkey())
 466         dcred.set_issuer(user_key, user_hrn)
 467         dcred.set_parent(user_cred)
 468         dcred.encode()
 469         dcred.sign()
 470
 471         return dcred.save_to_string(save_parents=True)
 472
 473     def get_rspec_file(self,rspec):
 474        if (os.path.isabs(rspec)):
 475           file = rspec
 476        else:
 477           file = os.path.join(self.options.sfi_dir, rspec)
 478        if (os.path.isfile(file)):
 479           return file
 480        else:
 481           print "No such rspec file", rspec
 482           sys.exit(1)
 483
 484     def get_record_file(self,record):
 485        if (os.path.isabs(record)):
 486           file = record
 487        else:
 488           file = os.path.join(self.options.sfi_dir, record)
 489        if (os.path.isfile(file)):
 490           return file
 491        else:
 492           print "No such registry record file", record
 493           sys.exit(1)
 494
 495     def load_publickey_string(self,fn):
 496        f = file(fn,"r")
 497        key_string = f.read()
 498
 499        # if the filename is a private key file, then extract the public key
 500        if "PRIVATE KEY" in key_string:
 501            outfn = tempfile.mktemp()
 502            cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
 503            os.system(cmd)
 504            f = file(outfn, "r")
 505            key_string = f.read()
 506            os.remove(outfn)
 507
 508        return key_string
 509
 510     def get_component_server_from_hrn(self, hrn):
 511         # direct connection to the nodes component manager interface
 512         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 513         records = self.registry.resolve(user_cred, hrn)
 514         records = filter_records('node', records)
 515         if not records:
 516             print "No such component:", opts.component
 517         record = records[0]
 518         cm_port = "12346"
 519         url = "https://%s:%s" % (record['hostname'], cm_port)
 520         return xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
 521
 522     #
 523     # Following functions implement the commands
 524     #
 525     # Registry-related commands
 526     #
 527
 528     def dispatch(self,command, cmd_opts, cmd_args):
 529         getattr(self,command)(cmd_opts, cmd_args)
 530
 531     def gid(self, opts, args):
 532         gid = self.get_gid()
 533         print "GID: %s" % (gid.save_to_string(save_parents=True))
 534         return
 535
 536     # list entires in named authority registry
 537     def list(self,opts, args):
 538         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 539         hrn = args[0]
 540         try:
 541             list = self.registry.list(user_cred, hrn)
 542         except IndexError:
 543             raise Exception, "Not enough parameters for the 'list' command"
 544
 545         # filter on person, slice, site, node, etc.
 546         # THis really should be in the self.filter_records funct def comment...
 547         list = filter_records(opts.type, list)
 548         for record in list:
 549             print "%s (%s)" % (record['hrn'], record['type'])
 550         if opts.file:
 551             file = opts.file
 552             if not file.startswith(os.sep):
 553                 file = os.path.join(self.options.sfi_dir, file)
 554             save_records_to_file(file, list)
 555         return
 556
 557     # show named registry record
 558     def show(self,opts, args):
 559         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 560         hrn = args[0]
 561         records = self.registry.resolve(user_cred, hrn)
 562         records = filter_records(opts.type, records)
 563         if not records:
 564             print "No record of type", opts.type
 565         for record in records:
 566             if record['type'] in ['user']:
 567                 record = UserRecord(dict = record)
 568             elif record['type'] in ['slice']:
 569                 record = SliceRecord(dict = record)
 570             elif record['type'] in ['node']:
 571                 record = NodeRecord(dict = record)
 572             elif record['type'] in ['authority', 'ma', 'sa']:
 573                 record = AuthorityRecord(dict = record)
 574             else:
 575                 record = SfaRecord(dict = record)
 576             if (opts.format=="text"):
 577                 record.dump()
 578             else:
 579                 print record.save_to_string()
 580
 581         if opts.file:
 582             file = opts.file
 583             if not file.startswith(os.sep):
 584                 file = os.path.join(self.options.sfi_dir, file)
 585             save_records_to_file(file, records)
 586         return
 587
 588     def delegate(self,opts, args):
 589        user_cred = self.get_user_cred()
 590        if opts.delegate_user:
 591            object_cred = user_cred
 592        elif opts.delegate_slice:
 593            object_cred = self.get_slice_cred(opts.delegate_slice)
 594        else:
 595            print "Must specify either --user or --slice <hrn>"
 596            return
 597
 598        # the gid and hrn of the object we are delegating
 599        object_gid = object_cred.get_gid_object()
 600        object_hrn = object_gid.get_hrn()
 601
 602        if not object_cred.get_delegate():
 603            print "Error: Object credential", object_hrn, "does not have delegate bit set"
 604            return
 605
 606        records = self.registry.resolve(user_cred, args[0])
 607        records = filter_records("user", records)
 608
 609        if not records:
 610            print "Error: Didn't find a user record for", args[0]
 611            return
 612
 613        # the gid of the user who will be delegated too
 614        delegee_gid = records[0].get_gid_object()
 615        delegee_hrn = delegee_gid.get_hrn()
 616
 617        # the key and hrn of the user who will be delegating
 618        user_key = Keypair(filename = self.get_key_file())
 619        user_hrn = user_cred.get_gid_caller().get_hrn()
 620
 621        dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
 622        dcred.set_gid_caller(delegee_gid)
 623        dcred.set_gid_object(object_gid)
 624        dcred.set_privileges(object_cred.get_privileges())
 625        dcred.set_delegate(True)
 626        dcred.set_pubkey(object_gid.get_pubkey())
 627        dcred.set_issuer(user_key, user_hrn)
 628        dcred.set_parent(object_cred)
 629        dcred.encode()
 630        dcred.sign()
 631
 632        if opts.delegate_user:
 633            dest_fn = os.path.join(self.options.sfi_dir, get_leaf(delegee_hrn) + "_"
 634                                   + get_leaf(object_hrn) + ".cred")
 635        elif opts.delegate_slice:
 636            dest_fn = os.path_join(self.options.sfi_dir, get_leaf(delegee_hrn) + "_slice_"
 637                                   + get_leaf(object_hrn) + ".cred")
 638
 639        dcred.save_to_file(dest_fn, save_parents = True)
 640
 641        print "delegated credential for", object_hrn, "to", delegee_hrn, "and wrote to", dest_fn
 642
 643     # removed named registry record
 644     #   - have to first retrieve the record to be removed
 645     def remove(self,opts, args):
 646         auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
 647         hrn = args[0]
 648         type = opts.type
 649         if type in ['all']:
 650             type = '*'
 651         return self.registry.remove(auth_cred, type, hrn)
 652
 653     # add named registry record
 654     def add(self,opts, args):
 655         auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
 656         record_filepath = args[0]
 657         rec_file = self.get_record_file(record_filepath)
 658         record = load_record_from_file(rec_file).as_dict()
 659         return self.registry.register(auth_cred, record)
 660
 661     # update named registry entry
 662     def update(self,opts, args):
 663         user_cred = self.get_user_cred()
 664         rec_file = self.get_record_file(args[0])
 665         record = load_record_from_file(rec_file)
 666         if record['type'] == "user":
 667             if record.get_name() == user_cred.get_gid_object().get_hrn():
 668                 cred = user_cred.save_to_string(save_parents=True)
 669             else:
 670                 cred = self.get_auth_cred().save_to_string(save_parents=True)
 671         elif record['type'] in ["slice"]:
 672             try:
 673                 cred = self.get_slice_cred(record.get_name()).save_to_string(save_parents=True)
 674             except ServerException, e:
 675                # XXX smbaker -- once we have better error return codes, update this
 676                # to do something better than a string compare
 677                if "Permission error" in e.args[0]:
 678                    cred = self.get_auth_cred().save_to_string(save_parents=True)
 679                else:
 680                    raise
 681         elif record.get_type() in ["authority"]:
 682             cred = self.get_auth_cred().save_to_string(save_parents=True)
 683         elif record.get_type() == 'node':
 684             cred = self.get_auth_cred().save_to_string(save_parents=True)
 685         else:
 686             raise "unknown record type" + record.get_type()
 687         record = record.as_dict()
 688         return self.registry.update(cred, record)
 689
 690     def get_trusted_certs(self, opts, args):
 691         """
 692         return the trusted certs at this interface
 693         """
 694         trusted_certs = self.registry.get_trusted_certs()
 695         for trusted_cert in trusted_certs:
 696             cert = Certificate(string=trusted_cert)
 697             print cert.get_subject()
 698         return
 699
 700     def aggregates(self, opts, args):
 701         """
 702         return a list of details about known aggregates
 703         """
 704         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 705         hrn = None
 706         if args:
 707             hrn = args[0]
 708         result = self.registry.get_aggregates(user_cred, hrn)
 709         display_list(result)
 710         return
 711
 712     def registries(self, opts, args):
 713         """
 714         return a list of details about known registries
 715         """
 716         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 717         hrn = None
 718         if args:
 719             hrn = args[0]
 720         result = self.registry.get_registries(user_cred, hrn)
 721         display_list(result)
 722         return
 723
 724
 725     #
 726     # Slice-related commands
 727     #
 728
 729     # list available nodes -- use 'resources' w/ no argument instead
 730
 731     # list instantiated slices
 732     def slices(self,opts, args):
 733         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 734         server = self.slicemgr
 735         # direct connection to the nodes component manager interface
 736         if opts.component:
 737             server = self.get_component_server_from_hrn(opts.component)
 738         results = server.get_slices(user_cred)
 739         display_list(results)
 740         return
 741
 742     # show rspec for named slice
 743     def resources(self,opts, args):
 744         user_cred = self.get_user_cred().save_to_string(save_parents=True)
 745         server = self.slicemgr
 746         if opts.aggregate:
 747             agg_hrn = opts.aggregate
 748             aggregates = self.registry.get_aggregates(user_cred, agg_hrn)
 749             if not aggregates:
 750                 raise Exception, "No such aggregate %s" % agg_hrn
 751             aggregate = aggregates[0]
 752             url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
 753             server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
 754         if args:
 755             cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
 756             hrn = args[0]
 757         else:
 758             cred = user_cred
 759             hrn = None
 760
 761         result = server.get_resources(cred, hrn)
 762         format = opts.format
 763
 764         display_rspec(result, format)
 765         if (opts.file is not None):
 766             file = opts.file
 767             if not file.startswith(os.sep):
 768                 file = os.path.join(self.options.sfi_dir, file)
 769             save_rspec_to_file(result, file)
 770         return
 771
 772     # created named slice with given rspec
 773     def create(self,opts, args):
 774         slice_hrn = args[0]
 775         user_cred = self.get_user_cred()
 776         slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
 777         rspec_file = self.get_rspec_file(args[1])
 778         rspec=open(rspec_file).read()
 779         server = self.slicemgr
 780         if opts.aggregate:
 781             aggregates = self.registry.get_aggregates(user_cred, opts.aggregate)
 782             if not aggregates:
 783                 raise Exception, "No such aggregate %s" % opts.aggregate
 784             aggregate = aggregates[0]
 785             url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
 786             server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file, self.options.protocol)
 787         return server.create_slice(slice_cred, slice_hrn, rspec)
 788
 789     # get a ticket for the specified slice
 790     def get_ticket(self, opts, args):
 791         slice_hrn, rspec_path = args[0], args[1]
 792         user_cred = self.get_user_cred()
 793         slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
 794         rspec_file = self.get_rspec_file(rspec_path)
 795         rspec=open(rspec_file).read()
 796         server = self.slicemgr
 797         if opts.aggregate:
 798             aggregates = self.registry.get_aggregates(user_cred, opts.aggregate)
 799             if not aggregates:
 800                 raise Exception, "No such aggregate %s" % opts.aggregate
 801             aggregate = aggregates[0]
 802             url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
 803             server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file, self.options.protocol)
 804         ticket_string = server.get_ticket(slice_cred, slice_hrn, rspec)
 805         file = os.path.join(self.options.sfi_dir, get_leaf(slice_hrn) + ".ticket")
 806         print "writing ticket to ", file
 807         ticket = SfaTicket(string=ticket_string)
 808         ticket.save_to_file(filename=file, save_parents=True)
 809
 810     def redeem_ticket(self, opts, args):
 811         ticket_file = args[0]
 812
 813         # get slice hrn from the ticket
 814         # use this to get the right slice credential
 815         ticket = SfaTicket(filename=ticket_file)
 816         ticket.decode()
 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 get_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()