sfa/client/sfi.py

   1 #
   2 # sfi.py - basic SFA command-line client
   3 # the actual binary in sfa/clientbin essentially runs main()
   4 # this module is used in sfascan
   5 #
   6
   7 import sys
   8 sys.path.append('.')
   9
  10 import os, os.path
  11 import socket
  12 import datetime
  13 import codecs
  14 import pickle
  15 from lxml import etree
  16 from StringIO import StringIO
  17 from optparse import OptionParser
  18 from pprint import PrettyPrinter
  19
  20 from sfa.trust.certificate import Keypair, Certificate
  21 from sfa.trust.gid import GID
  22 from sfa.trust.credential import Credential
  23 from sfa.trust.sfaticket import SfaTicket
  24
  25 from sfa.util.sfalogging import sfi_logger
  26 from sfa.util.xrn import get_leaf, get_authority, hrn_to_urn
  27 from sfa.util.config import Config
  28 from sfa.util.version import version_core
  29 from sfa.util.cache import Cache
  30
  31 from sfa.storage.record import SfaRecord, UserRecord, SliceRecord, NodeRecord, AuthorityRecord
  32
  33 from sfa.rspecs.rspec import RSpec
  34 from sfa.rspecs.rspec_converter import RSpecConverter
  35 from sfa.rspecs.version_manager import VersionManager
  36
  37 from sfa.client.sfaclientlib import SfaClientBootstrap
  38 from sfa.client.sfaserverproxy import SfaServerProxy, ServerException
  39 from sfa.client.client_helper import pg_users_arg, sfa_users_arg
  40 from sfa.client.return_value import ReturnValue
  41
  42 CM_PORT=12346
  43
  44 # utility methods here
  45 # display methods
  46 def display_rspec(rspec, format='rspec'):
  47     if format in ['dns']:
  48         tree = etree.parse(StringIO(rspec))
  49         root = tree.getroot()
  50         result = root.xpath("./network/site/node/hostname/text()")
  51     elif format in ['ip']:
  52         # The IP address is not yet part of the new RSpec
  53         # so this doesn't do anything yet.
  54         tree = etree.parse(StringIO(rspec))
  55         root = tree.getroot()
  56         result = root.xpath("./network/site/node/ipv4/text()")
  57     else:
  58         result = rspec
  59
  60     print result
  61     return
  62
  63 def display_list(results):
  64     for result in results:
  65         print result
  66
  67 def display_records(recordList, dump=False):
  68     ''' Print all fields in the record'''
  69     for record in recordList:
  70         display_record(record, dump)
  71
  72 def display_record(record, dump=False):
  73     if dump:
  74         record.dump()
  75     else:
  76         info = record.getdict()
  77         print "%s (%s)" % (info['hrn'], info['type'])
  78     return
  79
  80
  81 def filter_records(type, records):
  82     filtered_records = []
  83     for record in records:
  84         if (record['type'] == type) or (type == "all"):
  85             filtered_records.append(record)
  86     return filtered_records
  87
  88
  89 # save methods
  90 def save_variable_to_file(var, filename, format="text"):
  91     f = open(filename, "w")
  92     if format == "text":
  93         f.write(str(var))
  94     elif format == "pickled":
  95         f.write(pickle.dumps(var))
  96     else:
  97         # this should never happen
  98         print "unknown output format", format
  99
 100
 101 def save_rspec_to_file(rspec, filename):
 102     if not filename.endswith(".rspec"):
 103         filename = filename + ".rspec"
 104     f = open(filename, 'w')
 105     f.write(rspec)
 106     f.close()
 107     return
 108
 109 def save_records_to_file(filename, recordList, format="xml"):
 110     if format == "xml":
 111         index = 0
 112         for record in recordList:
 113             if index > 0:
 114                 save_record_to_file(filename + "." + str(index), record)
 115             else:
 116                 save_record_to_file(filename, record)
 117             index = index + 1
 118     elif format == "xmllist":
 119         f = open(filename, "w")
 120         f.write("<recordlist>\n")
 121         for record in recordList:
 122             record = SfaRecord(dict=record)
 123             f.write('<record hrn="' + record.get_name() + '" type="' + record.get_type() + '" />\n')
 124         f.write("</recordlist>\n")
 125         f.close()
 126     elif format == "hrnlist":
 127         f = open(filename, "w")
 128         for record in recordList:
 129             record = SfaRecord(dict=record)
 130             f.write(record.get_name() + "\n")
 131         f.close()
 132     else:
 133         # this should never happen
 134         print "unknown output format", format
 135
 136 def save_record_to_file(filename, record):
 137     if record['type'] in ['user']:
 138         record = UserRecord(dict=record)
 139     elif record['type'] in ['slice']:
 140         record = SliceRecord(dict=record)
 141     elif record['type'] in ['node']:
 142         record = NodeRecord(dict=record)
 143     elif record['type'] in ['authority', 'ma', 'sa']:
 144         record = AuthorityRecord(dict=record)
 145     else:
 146         record = SfaRecord(dict=record)
 147     str = record.save_to_string()
 148     f=codecs.open(filename, encoding='utf-8',mode="w")
 149     f.write(str)
 150     f.close()
 151     return
 152
 153
 154 # load methods
 155 def load_record_from_file(filename):
 156     f=codecs.open(filename, encoding="utf-8", mode="r")
 157     str = f.read()
 158     f.close()
 159     record = SfaRecord(string=str)
 160     return record
 161
 162
 163 import uuid
 164 def unique_call_id(): return uuid.uuid4().urn
 165
 166 class Sfi:
 167
 168     required_options=['verbose',  'debug',  'registry',  'sm',  'auth',  'user']
 169
 170     @staticmethod
 171     def default_sfi_dir ():
 172         if os.path.isfile("./sfi_config"):
 173             return os.getcwd()
 174         else:
 175             return os.path.expanduser("~/.sfi/")
 176
 177     # dummy to meet Sfi's expectations for its 'options' field
 178     # i.e. s/t we can do setattr on
 179     class DummyOptions:
 180         pass
 181
 182     def __init__ (self,options=None):
 183         if options is None: options=Sfi.DummyOptions()
 184         for opt in Sfi.required_options:
 185             if not hasattr(options,opt): setattr(options,opt,None)
 186         if not hasattr(options,'sfi_dir'): options.sfi_dir=Sfi.default_sfi_dir()
 187         self.options = options
 188         self.user = None
 189         self.authority = None
 190         self.logger = sfi_logger
 191         self.logger.enable_console()
 192         self.available_names = [ tuple[0] for tuple in Sfi.available ]
 193         self.available_dict = dict (Sfi.available)
 194
 195     # tuples command-name expected-args in the order in which they should appear in the help
 196     available = [
 197         ("version", ""),
 198         ("list", "authority"),
 199         ("show", "name"),
 200         ("add", "record"),
 201         ("update", "record"),
 202         ("remove", "name"),
 203         ("slices", ""),
 204         ("resources", "[slice_hrn]"),
 205         ("create", "slice_hrn rspec"),
 206         ("delete", "slice_hrn"),
 207         ("status", "slice_hrn"),
 208         ("start", "slice_hrn"),
 209         ("stop", "slice_hrn"),
 210         ("reset", "slice_hrn"),
 211         ("renew", "slice_hrn time"),
 212         ("shutdown", "slice_hrn"),
 213         ("get_ticket", "slice_hrn rspec"),
 214         ("redeem_ticket", "ticket"),
 215         ("delegate", "name"),
 216         ("create_gid", "[name]"),
 217         ("get_trusted_certs", "cred"),
 218         ]
 219
 220     def print_command_help (self, options):
 221         verbose=getattr(options,'verbose')
 222         format3="%18s %-15s %s"
 223         line=80*'-'
 224         if not verbose:
 225             print format3%("command","cmd_args","description")
 226             print line
 227         else:
 228             print line
 229             self.create_parser().print_help()
 230         for command in self.available_names:
 231             args=self.available_dict[command]
 232             method=getattr(self,command,None)
 233             doc=""
 234             if method: doc=getattr(method,'__doc__',"")
 235             if not doc: doc="*** no doc found ***"
 236             doc=doc.strip(" \t\n")
 237             doc=doc.replace("\n","\n"+35*' ')
 238             if verbose:
 239                 print line
 240             print format3%(command,args,doc)
 241             if verbose:
 242                 self.create_command_parser(command).print_help()
 243
 244     def create_command_parser(self, command):
 245         if command not in self.available_dict:
 246             msg="Invalid command\n"
 247             msg+="Commands: "
 248             msg += ','.join(self.available_names)
 249             self.logger.critical(msg)
 250             sys.exit(2)
 251
 252         parser = OptionParser(usage="sfi [sfi_options] %s [cmd_options] %s" \
 253                                      % (command, self.available_dict[command]))
 254
 255         # user specifies remote aggregate/sm/component
 256         if command in ("resources", "slices", "create", "delete", "start", "stop",
 257                        "restart", "shutdown",  "get_ticket", "renew", "status"):
 258             parser.add_option("-c", "--component", dest="component", default=None,
 259                              help="component hrn")
 260             parser.add_option("-d", "--delegate", dest="delegate", default=None,
 261                              action="store_true",
 262                              help="Include a credential delegated to the user's root"+\
 263                                   "authority in set of credentials for this call")
 264
 265         # registy filter option
 266         if command in ("list", "show", "remove"):
 267             parser.add_option("-t", "--type", dest="type", type="choice",
 268                             help="type filter ([all]|user|slice|authority|node|aggregate)",
 269                             choices=("all", "user", "slice", "authority", "node", "aggregate"),
 270                             default="all")
 271         # display formats
 272         if command in ("resources"):
 273             parser.add_option("-r", "--rspec-version", dest="rspec_version", default="SFA 1",
 274                               help="schema type and version of resulting RSpec")
 275             parser.add_option("-f", "--format", dest="format", type="choice",
 276                              help="display format ([xml]|dns|ip)", default="xml",
 277                              choices=("xml", "dns", "ip"))
 278             #panos: a new option to define the type of information about resources a user is interested in
 279             parser.add_option("-i", "--info", dest="info",
 280                                 help="optional component information", default=None)
 281
 282
 283         # 'create' does return the new rspec, makes sense to save that too
 284         if command in ("resources", "show", "list", "create_gid", 'create'):
 285            parser.add_option("-o", "--output", dest="file",
 286                             help="output XML to file", metavar="FILE", default=None)
 287
 288         if command in ("show", "list"):
 289            parser.add_option("-f", "--format", dest="format", type="choice",
 290                              help="display format ([text]|xml)", default="text",
 291                              choices=("text", "xml"))
 292
 293            parser.add_option("-F", "--fileformat", dest="fileformat", type="choice",
 294                              help="output file format ([xml]|xmllist|hrnlist)", default="xml",
 295                              choices=("xml", "xmllist", "hrnlist"))
 296
 297         if command in ("status", "version"):
 298            parser.add_option("-o", "--output", dest="file",
 299                             help="output dictionary to file", metavar="FILE", default=None)
 300            parser.add_option("-F", "--fileformat", dest="fileformat", type="choice",
 301                              help="output file format ([text]|pickled)", default="text",
 302                              choices=("text","pickled"))
 303
 304         if command in ("delegate"):
 305            parser.add_option("-u", "--user",
 306                             action="store_true", dest="delegate_user", default=False,
 307                             help="delegate user credential")
 308            parser.add_option("-s", "--slice", dest="delegate_slice",
 309                             help="delegate slice credential", metavar="HRN", default=None)
 310
 311         if command in ("version"):
 312             parser.add_option("-R","--registry-version",
 313                               action="store_true", dest="version_registry", default=False,
 314                               help="probe registry version instead of sliceapi")
 315             parser.add_option("-l","--local",
 316                               action="store_true", dest="version_local", default=False,
 317                               help="display version of the local client")
 318
 319         return parser
 320
 321
 322     def create_parser(self):
 323
 324         # Generate command line parser
 325         parser = OptionParser(usage="sfi [sfi_options] command [cmd_options] [cmd_args]",
 326                              description="Commands: %s"%(" ".join(self.available_names)))
 327         parser.add_option("-r", "--registry", dest="registry",
 328                          help="root registry", metavar="URL", default=None)
 329         parser.add_option("-s", "--sliceapi", dest="sm", default=None, metavar="URL",
 330                          help="slice API - in general a SM URL, but can be used to talk to an aggregate")
 331         parser.add_option("-d", "--dir", dest="sfi_dir",
 332                          help="config & working directory - default is %default",
 333                          metavar="PATH", default=Sfi.default_sfi_dir())
 334         parser.add_option("-u", "--user", dest="user",
 335                          help="user name", metavar="HRN", default=None)
 336         parser.add_option("-a", "--auth", dest="auth",
 337                          help="authority name", metavar="HRN", default=None)
 338         parser.add_option("-v", "--verbose", action="count", dest="verbose", default=0,
 339                          help="verbose mode - cumulative")
 340         parser.add_option("-D", "--debug",
 341                           action="store_true", dest="debug", default=False,
 342                           help="Debug (xml-rpc) protocol messages")
 343         # would it make sense to use ~/.ssh/id_rsa as a default here ?
 344         parser.add_option("-k", "--private-key",
 345                          action="store", dest="user_private_key", default=None,
 346                          help="point to the private key file to use if not yet installed in sfi_dir")
 347         parser.add_option("-t", "--timeout", dest="timeout", default=None,
 348                          help="Amout of time to wait before timing out the request")
 349         parser.add_option("-?", "--commands",
 350                          action="store_true", dest="command_help", default=False,
 351                          help="one page summary on commands & exit")
 352         parser.disable_interspersed_args()
 353
 354         return parser
 355
 356
 357     def print_help (self):
 358         self.sfi_parser.print_help()
 359         self.command_parser.print_help()
 360
 361     #
 362     # Main: parse arguments and dispatch to command
 363     #
 364     def dispatch(self, command, command_options, command_args):
 365         return getattr(self, command)(command_options, command_args)
 366
 367     def main(self):
 368         self.sfi_parser = self.create_parser()
 369         (options, args) = self.sfi_parser.parse_args()
 370         if options.command_help:
 371             self.print_command_help(options)
 372             sys.exit(1)
 373         self.options = options
 374
 375         self.logger.setLevelFromOptVerbose(self.options.verbose)
 376
 377         if len(args) <= 0:
 378             self.logger.critical("No command given. Use -h for help.")
 379             self.print_command_help(options)
 380             return -1
 381
 382         command = args[0]
 383         self.command_parser = self.create_command_parser(command)
 384         (command_options, command_args) = self.command_parser.parse_args(args[1:])
 385         self.command_options = command_options
 386
 387         self.read_config ()
 388         self.bootstrap ()
 389         self.logger.info("Command=%s" % command)
 390
 391         try:
 392             self.dispatch(command, command_options, command_args)
 393         except KeyError:
 394             self.logger.critical ("Unknown command %s"%command)
 395             raise
 396             sys.exit(1)
 397
 398         return
 399
 400     ####################
 401     def read_config(self):
 402         config_file = os.path.join(self.options.sfi_dir,"sfi_config")
 403         try:
 404            config = Config (config_file)
 405         except:
 406            self.logger.critical("Failed to read configuration file %s"%config_file)
 407            self.logger.info("Make sure to remove the export clauses and to add quotes")
 408            if self.options.verbose==0:
 409                self.logger.info("Re-run with -v for more details")
 410            else:
 411                self.logger.log_exc("Could not read config file %s"%config_file)
 412            sys.exit(1)
 413
 414         errors = 0
 415         # Set SliceMgr URL
 416         if (self.options.sm is not None):
 417            self.sm_url = self.options.sm
 418         elif hasattr(config, "SFI_SM"):
 419            self.sm_url = config.SFI_SM
 420         else:
 421            self.logger.error("You need to set e.g. SFI_SM='http://your.slicemanager.url:12347/' in %s" % config_file)
 422            errors += 1
 423
 424         # Set Registry URL
 425         if (self.options.registry is not None):
 426            self.reg_url = self.options.registry
 427         elif hasattr(config, "SFI_REGISTRY"):
 428            self.reg_url = config.SFI_REGISTRY
 429         else:
 430            self.logger.errors("You need to set e.g. SFI_REGISTRY='http://your.registry.url:12345/' in %s" % config_file)
 431            errors += 1
 432
 433         # Set user HRN
 434         if (self.options.user is not None):
 435            self.user = self.options.user
 436         elif hasattr(config, "SFI_USER"):
 437            self.user = config.SFI_USER
 438         else:
 439            self.logger.errors("You need to set e.g. SFI_USER='plc.princeton.username' in %s" % config_file)
 440            errors += 1
 441
 442         # Set authority HRN
 443         if (self.options.auth is not None):
 444            self.authority = self.options.auth
 445         elif hasattr(config, "SFI_AUTH"):
 446            self.authority = config.SFI_AUTH
 447         else:
 448            self.logger.error("You need to set e.g. SFI_AUTH='plc.princeton' in %s" % config_file)
 449            errors += 1
 450
 451         if errors:
 452            sys.exit(1)
 453
 454     #
 455     # Get various credential and spec files
 456     #
 457     # Establishes limiting conventions
 458     #   - conflates MAs and SAs
 459     #   - assumes last token in slice name is unique
 460     #
 461     # Bootstraps credentials
 462     #   - bootstrap user credential from self-signed certificate
 463     #   - bootstrap authority credential from user credential
 464     #   - bootstrap slice credential from user credential
 465     #
 466
 467     # init self-signed cert, user credentials and gid
 468     def bootstrap (self):
 469         bootstrap = SfaClientBootstrap (self.user, self.reg_url, self.options.sfi_dir)
 470         # if -k is provided, use this to initialize private key
 471         if self.options.user_private_key:
 472             bootstrap.init_private_key_if_missing (self.options.user_private_key)
 473         else:
 474             # trigger legacy compat code if needed
 475             # the name has changed from just <leaf>.pkey to <hrn>.pkey
 476             if not os.path.isfile(bootstrap.private_key_filename()):
 477                 self.logger.info ("private key not found, trying legacy name")
 478                 try:
 479                     legacy_private_key = os.path.join (self.options.sfi_dir, "%s.pkey"%get_leaf(self.user))
 480                     self.logger.debug("legacy_private_key=%s"%legacy_private_key)
 481                     bootstrap.init_private_key_if_missing (legacy_private_key)
 482                     self.logger.info("Copied private key from legacy location %s"%legacy_private_key)
 483                 except:
 484                     self.logger.log_exc("Can't find private key ")
 485                     sys.exit(1)
 486
 487         # make it bootstrap
 488         bootstrap.bootstrap_my_gid()
 489         # extract what's needed
 490         self.private_key = bootstrap.private_key()
 491         self.my_credential_string = bootstrap.my_credential_string ()
 492         self.my_gid = bootstrap.my_gid ()
 493         self.bootstrap = bootstrap
 494
 495
 496     def my_authority_credential_string(self):
 497         if not self.authority:
 498             self.logger.critical("no authority specified. Use -a or set SF_AUTH")
 499             sys.exit(-1)
 500         return self.bootstrap.authority_credential_string (self.authority)
 501
 502     def slice_credential_string(self, name):
 503         return self.bootstrap.slice_credential_string (name)
 504
 505     # xxx should be supported by sfaclientbootstrap as well
 506     def delegate_cred(self, object_cred, hrn, type='authority'):
 507         # the gid and hrn of the object we are delegating
 508         if isinstance(object_cred, str):
 509             object_cred = Credential(string=object_cred)
 510         object_gid = object_cred.get_gid_object()
 511         object_hrn = object_gid.get_hrn()
 512
 513         if not object_cred.get_privileges().get_all_delegate():
 514             self.logger.error("Object credential %s does not have delegate bit set"%object_hrn)
 515             return
 516
 517         # the delegating user's gid
 518         caller_gidfile = self.my_gid()
 519
 520         # the gid of the user who will be delegated to
 521         delegee_gid = self.bootstrap.gid(hrn,type)
 522         delegee_hrn = delegee_gid.get_hrn()
 523         dcred = object_cred.delegate(delegee_gid, self.private_key, caller_gidfile)
 524         return dcred.save_to_string(save_parents=True)
 525
 526     #
 527     # Management of the servers
 528     #
 529
 530     def registry (self):
 531         # cache the result
 532         if not hasattr (self, 'registry_proxy'):
 533             self.logger.info("Contacting Registry at: %s"%self.reg_url)
 534             self.registry_proxy = SfaServerProxy(self.reg_url, self.private_key, self.my_gid,
 535                                                  timeout=self.options.timeout, verbose=self.options.debug)
 536         return self.registry_proxy
 537
 538     def sliceapi (self):
 539         # cache the result
 540         if not hasattr (self, 'sliceapi_proxy'):
 541             # if the command exposes the --component option, figure it's hostname and connect at CM_PORT
 542             if hasattr(self.command_options,'component') and self.command_options.component:
 543                 # resolve the hrn at the registry
 544                 node_hrn = self.command_options.component
 545                 records = self.registry().Resolve(node_hrn, self.my_credential_string)
 546                 records = filter_records('node', records)
 547                 if not records:
 548                     self.logger.warning("No such component:%r"% opts.component)
 549                 record = records[0]
 550                 cm_url = "http://%s:%d/"%(record['hostname'],CM_PORT)
 551                 self.sliceapi_proxy=SfaServerProxy(cm_url, self.private_key, self.my_gid)
 552             else:
 553                 # otherwise use what was provided as --sliceapi, or SFI_SM in the config
 554                 self.logger.info("Contacting Slice Manager at: %s"%self.sm_url)
 555                 self.sliceapi_proxy = SfaServerProxy(self.sm_url, self.private_key, self.my_gid,
 556                                                      timeout=self.options.timeout, verbose=self.options.debug)
 557         return self.sliceapi_proxy
 558
 559     def get_cached_server_version(self, server):
 560         # check local cache first
 561         cache = None
 562         version = None
 563         cache_file = os.path.join(self.options.sfi_dir,'sfi_cache.dat')
 564         cache_key = server.url + "-version"
 565         try:
 566             cache = Cache(cache_file)
 567         except IOError:
 568             cache = Cache()
 569             self.logger.info("Local cache not found at: %s" % cache_file)
 570
 571         if cache:
 572             version = cache.get(cache_key)
 573
 574         if not version:
 575             result = server.GetVersion()
 576             version= ReturnValue.get_value(result)
 577             # cache version for 20 minutes
 578             cache.add(cache_key, version, ttl= 60*20)
 579             self.logger.info("Updating cache file %s" % cache_file)
 580             cache.save_to_file(cache_file)
 581
 582         return version
 583
 584     ### resurrect this temporarily so we can support V1 aggregates for a while
 585     def server_supports_options_arg(self, server):
 586         """
 587         Returns true if server support the optional call_id arg, false otherwise.
 588         """
 589         server_version = self.get_cached_server_version(server)
 590         result = False
 591         # xxx need to rewrite this
 592         if int(server_version.get('geni_api')) >= 2:
 593             result = True
 594         return result
 595
 596     def server_supports_call_id_arg(self, server):
 597         server_version = self.get_cached_server_version(server)
 598         result = False
 599         if 'sfa' in server_version and 'code_tag' in server_version:
 600             code_tag = server_version['code_tag']
 601             code_tag_parts = code_tag.split("-")
 602             version_parts = code_tag_parts[0].split(".")
 603             major, minor = version_parts[0], version_parts[1]
 604             rev = code_tag_parts[1]
 605             if int(major) == 1 and minor == 0 and build >= 22:
 606                 result = True
 607         return result
 608
 609     ### ois = options if supported
 610     # to be used in something like serverproxy.Method (arg1, arg2, *self.ois(api_options))
 611     def ois (self, server, option_dict):
 612         if self.server_supports_options_arg (server):
 613             return [option_dict]
 614         elif self.server_supports_call_id_arg (server):
 615             return [ unique_call_id () ]
 616         else:
 617             return []
 618
 619     ### cis = call_id if supported - like ois
 620     def cis (self, server):
 621         if self.server_supports_call_id_arg (server):
 622             return [ unique_call_id ]
 623         else:
 624             return []
 625
 626     ######################################## miscell utilities
 627     def get_rspec_file(self, rspec):
 628        if (os.path.isabs(rspec)):
 629           file = rspec
 630        else:
 631           file = os.path.join(self.options.sfi_dir, rspec)
 632        if (os.path.isfile(file)):
 633           return file
 634        else:
 635           self.logger.critical("No such rspec file %s"%rspec)
 636           sys.exit(1)
 637
 638     def get_record_file(self, record):
 639        if (os.path.isabs(record)):
 640           file = record
 641        else:
 642           file = os.path.join(self.options.sfi_dir, record)
 643        if (os.path.isfile(file)):
 644           return file
 645        else:
 646           self.logger.critical("No such registry record file %s"%record)
 647           sys.exit(1)
 648
 649
 650     #==========================================================================
 651     # Following functions implement the commands
 652     #
 653     # Registry-related commands
 654     #==========================================================================
 655
 656     def version(self, options, args):
 657         """
 658         display an SFA server version (GetVersion)
 659 or version information about sfi itself
 660         """
 661         if options.version_local:
 662             version=version_core()
 663         else:
 664             if options.version_registry:
 665                 server=self.registry()
 666             else:
 667                 server = self.sliceapi()
 668             result = server.GetVersion()
 669             version = ReturnValue.get_value(result)
 670         pprinter = PrettyPrinter(indent=4)
 671         pprinter.pprint(version)
 672         if options.file:
 673             save_variable_to_file(version, options.file, options.fileformat)
 674
 675     def list(self, options, args):
 676         """
 677         list entries in named authority registry (List)
 678         """
 679         if len(args)!= 1:
 680             self.print_help()
 681             sys.exit(1)
 682         hrn = args[0]
 683         try:
 684             list = self.registry().List(hrn, self.my_credential_string)
 685         except IndexError:
 686             raise Exception, "Not enough parameters for the 'list' command"
 687
 688         # filter on person, slice, site, node, etc.
 689         # THis really should be in the self.filter_records funct def comment...
 690         list = filter_records(options.type, list)
 691         for record in list:
 692             print "%s (%s)" % (record['hrn'], record['type'])
 693         if options.file:
 694             save_records_to_file(options.file, list, options.fileformat)
 695         return
 696
 697     def show(self, options, args):
 698         """
 699         show details about named registry record (Resolve)
 700         """
 701         if len(args)!= 1:
 702             self.print_help()
 703             sys.exit(1)
 704         hrn = args[0]
 705         records = self.registry().Resolve(hrn, self.my_credential_string)
 706         records = filter_records(options.type, records)
 707         if not records:
 708             self.logger.error("No record of type %s"% options.type)
 709         for record in records:
 710             if record['type'] in ['user']:
 711                 record = UserRecord(dict=record)
 712             elif record['type'] in ['slice']:
 713                 record = SliceRecord(dict=record)
 714             elif record['type'] in ['node']:
 715                 record = NodeRecord(dict=record)
 716             elif record['type'].startswith('authority'):
 717                 record = AuthorityRecord(dict=record)
 718             else:
 719                 record = SfaRecord(dict=record)
 720             if (options.format == "text"):
 721                 record.dump()
 722             else:
 723                 print record.save_to_string()
 724         if options.file:
 725             save_records_to_file(options.file, records, options.fileformat)
 726         return
 727
 728     def add(self, options, args):
 729         "add record into registry from xml file (Register)"
 730         auth_cred = self.my_authority_credential_string()
 731         if len(args)!=1:
 732             self.print_help()
 733             sys.exit(1)
 734         record_filepath = args[0]
 735         rec_file = self.get_record_file(record_filepath)
 736         record = load_record_from_file(rec_file).as_dict()
 737         return self.registry().Register(record, auth_cred)
 738
 739     def update(self, options, args):
 740         "update record into registry from xml file (Update)"
 741         if len(args)!=1:
 742             self.print_help()
 743             sys.exit(1)
 744         rec_file = self.get_record_file(args[0])
 745         record = load_record_from_file(rec_file)
 746         if record['type'] == "user":
 747             if record.get_name() == self.user:
 748                 cred = self.my_credential_string
 749             else:
 750                 cred = self.my_authority_credential_string()
 751         elif record['type'] in ["slice"]:
 752             try:
 753                 cred = self.slice_credential_string(record.get_name())
 754             except ServerException, e:
 755                # XXX smbaker -- once we have better error return codes, update this
 756                # to do something better than a string compare
 757                if "Permission error" in e.args[0]:
 758                    cred = self.my_authority_credential_string()
 759                else:
 760                    raise
 761         elif record.get_type() in ["authority"]:
 762             cred = self.my_authority_credential_string()
 763         elif record.get_type() == 'node':
 764             cred = self.my_authority_credential_string()
 765         else:
 766             raise "unknown record type" + record.get_type()
 767         record = record.as_dict()
 768         return self.registry().Update(record, cred)
 769
 770     def remove(self, options, args):
 771         "remove registry record by name (Remove)"
 772         auth_cred = self.my_authority_credential_string()
 773         if len(args)!=1:
 774             self.print_help()
 775             sys.exit(1)
 776         hrn = args[0]
 777         type = options.type
 778         if type in ['all']:
 779             type = '*'
 780         return self.registry().Remove(hrn, auth_cred, type)
 781
 782     # ==================================================================
 783     # Slice-related commands
 784     # ==================================================================
 785
 786     def slices(self, options, args):
 787         "list instantiated slices (ListSlices) - returns urn's"
 788         server = self.sliceapi()
 789         # creds
 790         creds = [self.my_credential_string]
 791         if options.delegate:
 792             delegated_cred = self.delegate_cred(self.my_credential_string, get_authority(self.authority))
 793             creds.append(delegated_cred)
 794         # options and call_id when supported
 795         api_options = {}
 796         api_options['call_id']=unique_call_id()
 797         result = server.ListSlices(creds, *self.ois(server,api_options))
 798         value = ReturnValue.get_value(result)
 799         display_list(value)
 800         return
 801
 802     # show rspec for named slice
 803     def resources(self, options, args):
 804         """
 805         with no arg, discover available resources, (ListResources)
 806 or with an slice hrn, shows currently provisioned resources
 807         """
 808         server = self.sliceapi()
 809
 810         # set creds
 811         creds = []
 812         if args:
 813             creds.append(self.slice_credential_string(args[0]))
 814         else:
 815             creds.append(self.my_credential_string)
 816         if options.delegate:
 817             creds.append(self.delegate_cred(cred, get_authority(self.authority)))
 818
 819         # no need to check if server accepts the options argument since the options has
 820         # been a required argument since v1 API
 821         api_options = {}
 822         # always send call_id to v2 servers
 823         api_options ['call_id'] = unique_call_id()
 824         if args:
 825             hrn = args[0]
 826             api_options['geni_slice_urn'] = hrn_to_urn(hrn, 'slice')
 827         if options.info:
 828             api_options['info'] = options.info
 829         if options.rspec_version:
 830             version_manager = VersionManager()
 831             server_version = self.get_cached_server_version(server)
 832             if 'sfa' in server_version:
 833                 # just request the version the client wants
 834                 api_options['geni_rspec_version'] = version_manager.get_version(options.rspec_version).to_dict()
 835             else:
 836                 api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3.0'}
 837         else:
 838             api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3.0'}
 839         result = server.ListResources (creds, api_options)
 840         value = ReturnValue.get_value(result)
 841         if options.file is None:
 842             display_rspec(value, options.format)
 843         else:
 844             save_rspec_to_file(value, options.file)
 845         return
 846
 847     def create(self, options, args):
 848         """
 849         create or update named slice with given rspec
 850         """
 851         server = self.sliceapi()
 852
 853         # xxx do we need to check usage (len(args)) ?
 854         # slice urn
 855         slice_hrn = args[0]
 856         slice_urn = hrn_to_urn(slice_hrn, 'slice')
 857
 858         # credentials
 859         creds = [self.slice_credential_string(slice_hrn)]
 860         delegated_cred = None
 861         server_version = self.get_cached_server_version(server)
 862         if server_version.get('interface') == 'slicemgr':
 863             # delegate our cred to the slice manager
 864             # do not delegate cred to slicemgr...not working at the moment
 865             pass
 866             #if server_version.get('hrn'):
 867             #    delegated_cred = self.delegate_cred(slice_cred, server_version['hrn'])
 868             #elif server_version.get('urn'):
 869             #    delegated_cred = self.delegate_cred(slice_cred, urn_to_hrn(server_version['urn']))
 870
 871         # rspec
 872         rspec_file = self.get_rspec_file(args[1])
 873         rspec = open(rspec_file).read()
 874
 875         # users
 876         # need to pass along user keys to the aggregate.
 877         # users = [
 878         #  { urn: urn:publicid:IDN+emulab.net+user+alice
 879         #    keys: [<ssh key A>, <ssh key B>]
 880         #  }]
 881         users = []
 882         slice_records = self.registry().Resolve(slice_urn, [self.my_credential_string])
 883         if slice_records and 'researcher' in slice_records[0] and slice_records[0]['researcher']!=[]:
 884             slice_record = slice_records[0]
 885             user_hrns = slice_record['researcher']
 886             user_urns = [hrn_to_urn(hrn, 'user') for hrn in user_hrns]
 887             user_records = self.registry().Resolve(user_urns, [self.my_credential_string])
 888
 889             if 'sfa' not in server_version:
 890                 users = pg_users_arg(user_records)
 891                 rspec = RSpec(rspec)
 892                 rspec.filter({'component_manager_id': server_version['urn']})
 893                 rspec = RSpecConverter.to_pg_rspec(rspec.toxml(), content_type='request')
 894             else:
 895                 users = sfa_users_arg(user_records, slice_record)
 896
 897         # do not append users, keys, or slice tags. Anything
 898         # not contained in this request will be removed from the slice
 899
 900         # CreateSliver has supported the options argument for a while now so it should
 901         # be safe to assume this server support it
 902         api_options = {}
 903         api_options ['append'] = False
 904         api_options ['call_id'] = unique_call_id()
 905
 906         result = server.CreateSliver(slice_urn, creds, rspec, users, *self.ois(server, api_options))
 907         value = ReturnValue.get_value(result)
 908         if options.file is None:
 909             print value
 910         else:
 911             save_rspec_to_file (value, options.file)
 912         return value
 913
 914     def delete(self, options, args):
 915         """
 916         delete named slice (DeleteSliver)
 917         """
 918         server = self.sliceapi()
 919
 920         # slice urn
 921         slice_hrn = args[0]
 922         slice_urn = hrn_to_urn(slice_hrn, 'slice')
 923
 924         # creds
 925         slice_cred = self.slice_credential_string(slice_hrn)
 926         creds = [slice_cred]
 927         if options.delegate:
 928             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
 929             creds.append(delegated_cred)
 930
 931         # options and call_id when supported
 932         api_options = {}
 933         api_options ['call_id'] = unique_call_id()
 934         result = server.DeleteSliver(slice_urn, creds, *self.ois(server, api_options ) )
 935         # xxx no ReturnValue ??
 936         return result
 937
 938     def status(self, options, args):
 939         """
 940         retrieve slice status (SliverStatus)
 941         """
 942         server = self.sliceapi()
 943
 944         # slice urn
 945         slice_hrn = args[0]
 946         slice_urn = hrn_to_urn(slice_hrn, 'slice')
 947
 948         # creds
 949         slice_cred = self.slice_credential_string(slice_hrn)
 950         creds = [slice_cred]
 951         if options.delegate:
 952             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
 953             creds.append(delegated_cred)
 954
 955         # options and call_id when supported
 956         api_options = {}
 957         api_options['call_id']=unique_call_id()
 958         result = server.SliverStatus(slice_urn, creds, *self.ois(server,api_options))
 959         value = ReturnValue.get_value(result)
 960         print value
 961         if options.file:
 962             save_variable_to_file(value, options.file, options.fileformat)
 963
 964     def start(self, options, args):
 965         """
 966         start named slice (Start)
 967         """
 968         server = self.sliceapi()
 969
 970         # the slice urn
 971         slice_hrn = args[0]
 972         slice_urn = hrn_to_urn(slice_hrn, 'slice')
 973
 974         # cred
 975         slice_cred = self.slice_credential_string(args[0])
 976         creds = [slice_cred]
 977         if options.delegate:
 978             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
 979             creds.append(delegated_cred)
 980         # xxx Thierry - does this not need an api_options as well ?
 981         return server.Start(slice_urn, creds)
 982
 983     def stop(self, options, args):
 984         """
 985         stop named slice (Stop)
 986         """
 987         server = self.sliceapi()
 988         # slice urn
 989         slice_hrn = args[0]
 990         slice_urn = hrn_to_urn(slice_hrn, 'slice')
 991         # cred
 992         slice_cred = self.slice_credential_string(args[0])
 993         creds = [slice_cred]
 994         if options.delegate:
 995             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
 996             creds.append(delegated_cred)
 997         return server.Stop(slice_urn, creds)
 998
 999     # reset named slice
1000     def reset(self, options, args):
1001         """
1002         reset named slice (reset_slice)
1003         """
1004         server = self.sliceapi()
1005         # slice urn
1006         slice_hrn = args[0]
1007         slice_urn = hrn_to_urn(slice_hrn, 'slice')
1008         # cred
1009         slice_cred = self.slice_credential_string(args[0])
1010         creds = [slice_cred]
1011         if options.delegate:
1012             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
1013             creds.append(delegated_cred)
1014         return server.reset_slice(creds, slice_urn)
1015
1016     def renew(self, options, args):
1017         """
1018         renew slice (RenewSliver)
1019         """
1020         server = self.sliceapi()
1021         # slice urn
1022         slice_hrn = args[0]
1023         slice_urn = hrn_to_urn(slice_hrn, 'slice')
1024         # creds
1025         slice_cred = self.slice_credential_string(args[0])
1026         creds = [slice_cred]
1027         if options.delegate:
1028             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
1029             creds.append(delegated_cred)
1030         # time
1031         time = args[1]
1032         # options and call_id when supported
1033         api_options = {}
1034         api_options['call_id']=unique_call_id()
1035         result =  server.RenewSliver(slice_urn, creds, time, *self.ois(server,api_options))
1036         value = ReturnValue.get_value(result)
1037         return value
1038
1039
1040     def shutdown(self, options, args):
1041         """
1042         shutdown named slice (Shutdown)
1043         """
1044         server = self.sliceapi()
1045         # slice urn
1046         slice_hrn = args[0]
1047         slice_urn = hrn_to_urn(slice_hrn, 'slice')
1048         # creds
1049         slice_cred = self.slice_credential_string(slice_hrn)
1050         creds = [slice_cred]
1051         if options.delegate:
1052             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
1053             creds.append(delegated_cred)
1054         return server.Shutdown(slice_urn, creds)
1055
1056
1057     def get_ticket(self, options, args):
1058         """
1059         get a ticket for the specified slice
1060         """
1061         server = self.sliceapi()
1062         # slice urn
1063         slice_hrn, rspec_path = args[0], args[1]
1064         slice_urn = hrn_to_urn(slice_hrn, 'slice')
1065         # creds
1066         slice_cred = self.slice_credential_string(slice_hrn)
1067         creds = [slice_cred]
1068         if options.delegate:
1069             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
1070             creds.append(delegated_cred)
1071         # rspec
1072         rspec_file = self.get_rspec_file(rspec_path)
1073         rspec = open(rspec_file).read()
1074         # options and call_id when supported
1075         api_options = {}
1076         api_options['call_id']=unique_call_id()
1077         # get ticket at the server
1078         ticket_string = server.GetTicket(slice_urn, creds, rspec, *self.ois(server,api_options))
1079         # save
1080         file = os.path.join(self.options.sfi_dir, get_leaf(slice_hrn) + ".ticket")
1081         self.logger.info("writing ticket to %s"%file)
1082         ticket = SfaTicket(string=ticket_string)
1083         ticket.save_to_file(filename=file, save_parents=True)
1084
1085     def redeem_ticket(self, options, args):
1086         """
1087         Connects to nodes in a slice and redeems a ticket
1088 (slice hrn is retrieved from the ticket)
1089         """
1090         ticket_file = args[0]
1091
1092         # get slice hrn from the ticket
1093         # use this to get the right slice credential
1094         ticket = SfaTicket(filename=ticket_file)
1095         ticket.decode()
1096         ticket_string = ticket.save_to_string(save_parents=True)
1097
1098         slice_hrn = ticket.gidObject.get_hrn()
1099         slice_urn = hrn_to_urn(slice_hrn, 'slice')
1100         #slice_hrn = ticket.attributes['slivers'][0]['hrn']
1101         slice_cred = self.slice_credential_string(slice_hrn)
1102
1103         # get a list of node hostnames from the RSpec
1104         tree = etree.parse(StringIO(ticket.rspec))
1105         root = tree.getroot()
1106         hostnames = root.xpath("./network/site/node/hostname/text()")
1107
1108         # create an xmlrpc connection to the component manager at each of these
1109         # components and gall redeem_ticket
1110         connections = {}
1111         for hostname in hostnames:
1112             try:
1113                 self.logger.info("Calling redeem_ticket at %(hostname)s " % locals())
1114                 cm_url="http://%s:%s/"%(hostname,CM_PORT)
1115                 server = SfaServerProxy(cm_url, self.private_key, self.my_gid)
1116                 server = self.server_proxy(hostname, CM_PORT, self.private_key,
1117                                            timeout=self.options.timeout, verbose=self.options.debug)
1118                 server.RedeemTicket(ticket_string, slice_cred)
1119                 self.logger.info("Success")
1120             except socket.gaierror:
1121                 self.logger.error("redeem_ticket failed on %s: Component Manager not accepting requests"%hostname)
1122             except Exception, e:
1123                 self.logger.log_exc(e.message)
1124         return
1125
1126     def create_gid(self, options, args):
1127         """
1128         Create a GID (CreateGid)
1129         """
1130         if len(args) < 1:
1131             self.print_help()
1132             sys.exit(1)
1133         target_hrn = args[0]
1134         gid = self.registry().CreateGid(self.my_credential_string, target_hrn, self.bootstrap.my_gid_string())
1135         if options.file:
1136             filename = options.file
1137         else:
1138             filename = os.sep.join([self.options.sfi_dir, '%s.gid' % target_hrn])
1139         self.logger.info("writing %s gid to %s" % (target_hrn, filename))
1140         GID(string=gid).save_to_file(filename)
1141
1142
1143     def delegate(self, options, args):
1144         """
1145         (locally) create delegate credential for use by given hrn
1146         """
1147         delegee_hrn = args[0]
1148         if options.delegate_user:
1149             cred = self.delegate_cred(self.my_credential_string, delegee_hrn, 'user')
1150         elif options.delegate_slice:
1151             slice_cred = self.slice_credential_string(options.delegate_slice)
1152             cred = self.delegate_cred(slice_cred, delegee_hrn, 'slice')
1153         else:
1154             self.logger.warning("Must specify either --user or --slice <hrn>")
1155             return
1156         delegated_cred = Credential(string=cred)
1157         object_hrn = delegated_cred.get_gid_object().get_hrn()
1158         if options.delegate_user:
1159             dest_fn = os.path.join(self.options.sfi_dir, get_leaf(delegee_hrn) + "_"
1160                                   + get_leaf(object_hrn) + ".cred")
1161         elif options.delegate_slice:
1162             dest_fn = os.path.join(self.options.sfi_dir, get_leaf(delegee_hrn) + "_slice_"
1163                                   + get_leaf(object_hrn) + ".cred")
1164
1165         delegated_cred.save_to_file(dest_fn, save_parents=True)
1166
1167         self.logger.info("delegated credential for %s to %s and wrote to %s"%(object_hrn, delegee_hrn,dest_fn))
1168
1169     def get_trusted_certs(self, options, args):
1170         """
1171         return uhe trusted certs at this interface (get_trusted_certs)
1172         """
1173         trusted_certs = self.registry().get_trusted_certs()
1174         for trusted_cert in trusted_certs:
1175             gid = GID(string=trusted_cert)
1176             gid.dump()
1177             cert = Certificate(string=trusted_cert)
1178             self.logger.debug('Sfi.get_trusted_certs -> %r'%cert.get_subject())
1179         return
1180