3 # sfi -- slice-based facility interface
9 from types import StringTypes, ListType
10 from optparse import OptionParser
12 from sfa.trust.certificate import Keypair, Certificate
13 from sfa.trust.credential import Credential
15 from sfa.util.geniclient import GeniClient
16 from sfa.util.record import *
17 from sfa.util.rspec import Rspec
18 from sfa.util.xmlrpcprotocol import ServerException
19 from sfa.util.config import Config
21 # xxx todo xxx auto-load ~/.sfi/sfi_config
23 sfi_dir = os.path.expanduser("~/.sfi/")
31 # Establish Connection to SliceMgr and Registry Servers
33 def set_servers(options):
39 config_file = sfi_dir + os.sep + "sfi_config"
41 config = Config (config_file)
43 print "Failed to read configuration file",config_file
44 print "Make sure to remove the export clauses and to add quotes"
45 if not options.verbose:
46 print "Re-run with -v for more details"
53 if (options.sm is not None):
55 elif hasattr(config,"SFI_SM"):
56 sm_url = config.SFI_SM
58 print "You need to set e.g. SFI_SM='http://your.slicemanager.url:12347/' in %s"%config_file
62 if (options.registry is not None):
63 reg_url = options.registry
64 elif hasattr(config,"SFI_REGISTRY"):
65 reg_url = config.SFI_REGISTRY
67 print "You need to set e.g. SFI_REGISTRY='http://your.registry.url:12345/' in %s"%config_file
71 if (options.user is not None):
73 elif hasattr(config,"SFI_USER"):
74 user = config.SFI_USER
76 print "You need to set e.g. SFI_USER='plc.princeton.username' in %s"%config_file
80 if (options.auth is not None):
81 authority = options.auth
82 elif hasattr(config,"SFI_AUTH"):
83 authority = config.SFI_AUTH
85 print "You need to set e.g. SFI_AUTH='plc.princeton' in %s"%config_file
92 print "Contacting Slice Manager at:", sm_url
93 print "Contacting Registry at:", reg_url
95 # Get key and certificate
96 key_file = get_key_file()
97 cert_file = get_cert_file(key_file)
99 # Establish connection to server(s)
100 slicemgr = GeniClient(sm_url, key_file, cert_file, options.protocol)
101 registry = GeniClient(reg_url, key_file, cert_file, options.protocol)
105 # Get various credential and spec files
107 # Establishes limiting conventions
108 # - conflates MAs and SAs
109 # - assumes last token in slice name is unique
111 # Bootstraps credentials
112 # - bootstrap user credential from self-signed certificate
113 # - bootstrap authority credential from user credential
114 # - bootstrap slice credential from user credential
118 parts = name.split(".")
122 file = os.path.join(sfi_dir, get_leaf(user) + ".pkey")
123 if (os.path.isfile(file)):
126 print "Key file", file, "does not exist"
130 def get_cert_file(key_file):
133 file = os.path.join(sfi_dir, get_leaf(user) + ".cert")
134 if (os.path.isfile(file)):
137 k = Keypair(filename = key_file)
138 cert = Certificate(subject=user)
140 cert.set_issuer(k, user)
143 print "Writing self-signed certificate to", file
144 cert.save_to_file(file)
150 file = os.path.join(sfi_dir, get_leaf(user) + ".cred")
151 if (os.path.isfile(file)):
152 user_cred = Credential(filename=file)
155 # bootstrap user credential
156 user_cred = registry.get_credential(None, "user", user)
158 user_cred.save_to_file(file, save_parents=True)
160 print "Writing user credential to", file
163 print "Failed to get user credential"
170 print "no authority specified. Use -a or set SF_AUTH"
173 file = os.path.join(sfi_dir, get_leaf("authority") +".cred")
174 if (os.path.isfile(file)):
175 auth_cred = Credential(filename=file)
178 # bootstrap authority credential from user credential
179 user_cred = get_user_cred()
180 auth_cred = registry.get_credential(user_cred, "sa", authority)
182 auth_cred.save_to_file(file, save_parents=True)
184 print "Writing authority credential to", file
187 print "Failed to get authority credential"
190 def get_slice_cred(name):
191 file = os.path.join(sfi_dir, "slice_" + get_leaf(name) + ".cred")
192 if (os.path.isfile(file)):
193 slice_cred = Credential(filename=file)
196 # bootstrap slice credential from user credential
197 user_cred = get_user_cred()
198 slice_cred = registry.get_credential(user_cred, "slice", name)
200 slice_cred.save_to_file(file, save_parents=True)
202 print "Writing slice credential to", file
205 print "Failed to get slice credential"
208 def delegate_cred(cred, hrn, type = 'authority'):
209 # the gid and hrn of the object we are delegating
210 object_gid = cred.get_gid_object()
211 object_hrn = object_gid.get_hrn()
212 cred.set_delegate(True)
213 if not cred.get_delegate():
214 raise Exception, "Error: Object credential %(object_hrn)s does not have delegate bit set" % locals()
217 records = registry.resolve(cred, hrn)
218 records = filter_records(type, records)
221 raise Exception, "Error: Didn't find a %(type)s record for %(hrn)s" % locals()
223 # the gid of the user who will be delegated too
224 delegee_gid = records[0].get_gid_object()
225 delegee_hrn = delegee_gid.get_hrn()
227 # the key and hrn of the user who will be delegating
228 user_key = Keypair(filename = get_key_file())
229 user_hrn = cred.get_gid_caller().get_hrn()
231 dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
232 dcred.set_gid_caller(delegee_gid)
233 dcred.set_gid_object(object_gid)
234 dcred.set_privileges(cred.get_privileges())
235 dcred.set_delegate(True)
236 dcred.set_pubkey(object_gid.get_pubkey())
237 dcred.set_issuer(user_key, user_hrn)
238 dcred.set_parent(cred)
244 def get_rspec_file(rspec):
245 if (os.path.isabs(rspec)):
248 file = os.path.join(sfi_dir, rspec)
249 if (os.path.isfile(file)):
252 print "No such rspec file", rspec
255 def get_record_file(record):
256 if (os.path.isabs(record)):
259 file = os.path.join(sfi_dir, record)
260 if (os.path.isfile(file)):
263 print "No such registry record file", record
266 def load_publickey_string(fn):
268 key_string = f.read()
270 # if the filename is a private key file, then extract the public key
271 if "PRIVATE KEY" in key_string:
272 outfn = tempfile.mktemp()
273 cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
276 key_string = f.read()
281 # Generate sub-command parser
283 def create_cmd_parser(command, additional_cmdargs = None):
284 cmdargs = {"list": "name",
290 "resources": "[name]",
291 "create": "name rspec",
299 if additional_cmdargs:
300 cmdargs.update(additional_cmdargs)
302 if command not in cmdargs:
303 print "Invalid command\n"
305 for key in cmdargs.keys():
310 parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
311 % (command, cmdargs[command]))
313 if command in ("resources"):
314 parser.add_option("-f", "--format", dest="format",type="choice",
315 help="display format (dns|ip|xml)",default="xml",
316 choices=("dns","ip","xml"))
318 if command in ("list", "show", "remove"):
319 parser.add_option("-t", "--type", dest="type",type="choice",
320 help="type filter (user|slice|sa|ma|node|aggregate)",
321 choices=("user","slice","sa","ma","node","aggregate", "all"),
324 if command in ("resources","show", "list"):
325 parser.add_option("-o", "--output", dest="file",
326 help="output XML to file", metavar="FILE", default=None)
328 if command in ("show", "list"):
329 parser.add_option("-f", "--format", dest="format", type="choice",
330 help="display format (text|xml)",default="text",
331 choices=("text","xml"))
333 if command in ("delegate"):
334 parser.add_option("-u", "--user",
335 action="store_true", dest="delegate_user", default=False,
336 help="delegate user credential")
337 parser.add_option("-s", "--slice", dest="delegate_slice",
338 help="delegate slice credential", metavar="HRN", default=None)
342 # Generate command line parser
343 parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
344 description="Commands: list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
345 parser.add_option("-r", "--registry", dest="registry",
346 help="root registry", metavar="URL", default=None)
347 parser.add_option("-s", "--slicemgr", dest="sm",
348 help="slice manager", metavar="URL", default=None)
349 parser.add_option("-d", "--dir", dest="dir",
350 help="working directory", metavar="PATH", default = sfi_dir)
351 parser.add_option("-u", "--user", dest="user",
352 help="user name", metavar="HRN", default=None)
353 parser.add_option("-a", "--auth", dest="auth",
354 help="authority name", metavar="HRN", default=None)
355 parser.add_option("-v", "--verbose",
356 action="store_true", dest="verbose", default=False,
358 parser.add_option("-p", "--protocol",
359 dest="protocol", default="xmlrpc",
360 help="RPC protocol (xmlrpc or soap)")
361 parser.disable_interspersed_args()
365 def dispatch(command, cmd_opts, cmd_args):
366 globals()[command](cmd_opts, cmd_args)
369 # Main: parse arguments and dispatch to command
374 parser = create_parser()
375 (options, args) = parser.parse_args()
378 print "No command given. Use -h for help."
382 (cmd_opts, cmd_args) = create_cmd_parser(command).parse_args(args[1:])
383 verbose = options.verbose
385 print "Resgistry %s, sm %s, dir %s, user %s, auth %s" % (options.registry,
390 print "Command %s" %command
391 if command in ("resources"):
392 print "resources cmd_opts %s" %cmd_opts.format
393 elif command in ("list","show","remove"):
394 print "cmd_opts.type %s" %cmd_opts.type
395 print "cmd_args %s" %cmd_args
400 dispatch(command, cmd_opts, cmd_args)
403 print "Command not found:", command
409 # Following functions implement the commands
411 # Registry-related commands
414 # list entires in named authority registry
415 def list(opts, args):
417 user_cred = get_user_cred()
419 list = registry.list(user_cred, args[0])
421 raise Exception, "Not enough parameters for the 'list' command"
423 # filter on person, slice, site, node, etc.
424 # THis really should be in the filter_records funct def comment...
425 list = filter_records(opts.type, list)
427 print "%s (%s)" % (record['hrn'], record['type'])
429 save_records_to_file(opts.file, list)
432 # show named registry record
433 def show(opts, args):
435 user_cred = get_user_cred()
436 records = registry.resolve(user_cred, args[0])
437 records = filter_records(opts.type, records)
439 print "No record of type", opts.type
440 for record in records:
441 if record['type'] in ['user']:
442 record = UserRecord(dict = record)
443 elif record['type'] in ['slice']:
444 record = SliceRecord(dict = record)
445 elif record['type'] in ['node']:
446 record = NodeRecord(dict = record)
447 elif record['type'] in ['authority', 'ma', 'sa']:
448 record = AuthorityRecord(dict = record)
450 record = GeniRecord(dict = record)
452 if (opts.format=="text"):
455 print record.save_to_string()
458 save_records_to_file(opts.file, records)
461 def delegate(opts, args):
463 user_cred = get_user_cred()
464 if opts.delegate_user:
465 object_cred = user_cred
466 elif opts.delegate_slice:
467 object_cred = get_slice_cred(opts.delegate_slice)
469 print "Must specify either --user or --slice <hrn>"
472 # the gid and hrn of the object we are delegating
473 object_gid = object_cred.get_gid_object()
474 object_hrn = object_gid.get_hrn()
476 if not object_cred.get_delegate():
477 print "Error: Object credential", object_hrn, "does not have delegate bit set"
480 records = registry.resolve(user_cred, args[0])
481 records = filter_records("user", records)
484 print "Error: Didn't find a user record for", args[0]
487 # the gid of the user who will be delegated too
488 delegee_gid = records[0].get_gid_object()
489 delegee_hrn = delegee_gid.get_hrn()
491 # the key and hrn of the user who will be delegating
492 user_key = Keypair(filename = get_key_file())
493 user_hrn = user_cred.get_gid_caller().get_hrn()
495 dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
496 dcred.set_gid_caller(delegee_gid)
497 dcred.set_gid_object(object_gid)
498 dcred.set_privileges(object_cred.get_privileges())
499 dcred.set_delegate(True)
500 dcred.set_pubkey(object_gid.get_pubkey())
501 dcred.set_issuer(user_key, user_hrn)
502 dcred.set_parent(object_cred)
506 if opts.delegate_user:
507 dest_fn = os.path.join(sfi_dir, get_leaf(delegee_hrn) + "_" + get_leaf(object_hrn) + ".cred")
508 elif opts.delegate_slice:
509 dest_fn = os.path_join(sfi_dir, get_leaf(delegee_hrn) + "_slice_" + get_leaf(object_hrn) + ".cred")
511 dcred.save_to_file(dest_fn, save_parents = True)
513 print "delegated credential for", object_hrn, "to", delegee_hrn, "and wrote to", dest_fn
515 # removed named registry record
516 # - have to first retrieve the record to be removed
517 def remove(opts, args):
519 auth_cred = get_auth_cred()
520 return registry.remove(auth_cred, opts.type, args[0])
522 # add named registry record
525 auth_cred = get_auth_cred()
526 rec_file = get_record_file(args[0])
527 record = load_record_from_file(rec_file)
529 return registry.register(auth_cred, record)
531 # update named registry entry
532 def update(opts, args):
534 user_cred = get_user_cred()
535 rec_file = get_record_file(args[0])
536 record = load_record_from_file(rec_file)
537 if record.get_type() == "user":
538 if record.get_name() == user_cred.get_gid_object().get_hrn():
541 cred = get_auth_cred()
542 elif record.get_type() in ["slice"]:
544 cred = get_slice_cred(record.get_name())
545 except ServerException, e:
546 # XXX smbaker -- once we have better error return codes, update this
547 # to do something better than a string compare
548 if "Permission error" in e.args[0]:
549 cred = get_auth_cred()
552 elif record.get_type() in ["authority"]:
553 cred = get_auth_cred()
554 elif record.get_type() == 'node':
555 cred = get_auth_cred()
557 raise "unknown record type" + record.get_type()
558 return registry.update(cred, record)
561 # Slice-related commands
564 # list available nodes -- now use 'resources' w/ no argument instead
565 #def nodes(opts, args):
567 # user_cred = get_user_cred()
568 # if not opts.format:
571 # context = opts.format
572 # results = slicemgr.list_nodes(user_cred)
573 # if opts.format in ['rspec']:
574 # display_rspec(results)
576 # display_list(results)
577 # if (opts.file is not None):
578 # rspec = slicemgr.list_nodes(user_cred)
579 # save_rspec_to_file(rspec, opts.file)
582 # list instantiated slices
583 def slices(opts, args):
585 user_cred = get_user_cred()
586 results = slicemgr.get_slices(user_cred)
587 display_list(results)
590 # show rspec for named slice
591 def resources(opts, args):
594 slice_cred = get_slice_cred(args[0])
595 result = slicemgr.get_resources(slice_cred, args[0])
597 user_cred = get_user_cred()
598 result = slicemgr.get_resources(user_cred)
600 display_rspec(result, format)
601 if (opts.file is not None):
602 save_rspec_to_file(result, opts.file)
605 # created named slice with given rspec
606 def create(opts, args):
609 slice_cred = get_slice_cred(slice_hrn)
610 rspec_file = get_rspec_file(args[1])
611 rspec=open(rspec_file).read()
612 return slicemgr.create_slice(slice_cred, slice_hrn, rspec)
615 def delete(opts, args):
618 slice_cred = get_slice_cred(slice_hrn)
620 return slicemgr.delete_slice(slice_cred, slice_hrn)
623 def start(opts, args):
626 slice_cred = get_slice_cred(args[0])
627 return slicemgr.start_slice(slice_cred, slice_hrn)
630 def stop(opts, args):
633 slice_cred = get_slice_cred(args[0])
634 return slicemgr.stop_slice(slice_cred, slice_hrn)
637 def reset(opts, args):
640 slice_cred = get_slice_cred(args[0])
641 return slicemgr.reset_slice(slice_cred, slice_hrn)
645 # Display, Save, and Filter RSpecs and Records
646 # - to be replace by EMF-generated routines
650 def display_rspec(rspec, format = 'rspec'):
651 if format in ['dns']:
653 spec.parseString(rspec)
655 nodespecs = spec.getDictsByTagName('NodeSpec')
656 for nodespec in nodespecs:
657 if nodespec.has_key('name') and nodespec['name']:
658 if isinstance(nodespec['name'], ListType):
659 hostnames.extend(nodespec['name'])
660 elif isinstance(nodespec['name'], StringTypes):
661 hostnames.append(nodespec['name'])
663 elif format in ['ip']:
665 spec.parseString(rspec)
667 ifspecs = spec.getDictsByTagName('IfSpec')
668 for ifspec in ifspecs:
669 if ifspec.has_key('addr') and ifspec['addr']:
670 ips.append(ifspec['addr'])
678 def display_list(results):
679 for result in results:
682 def save_rspec_to_file(rspec, filename):
683 if not filename.startswith(os.sep):
684 filename = sfi_dir + filename
685 if not filename.endswith(".rspec"):
686 filename = filename + ".rspec"
688 f = open(filename, 'w')
693 def display_records(recordList, dump = False):
694 ''' Print all fields in the record'''
695 for record in recordList:
696 display_record(record, dump)
698 def display_record(record, dump = False):
702 info = record.getdict()
703 print "%s (%s)" % (info['hrn'], info['type'])
706 def filter_records(type, records):
707 filtered_records = []
708 for record in records:
709 if (record.get_type() == type) or (type == "all"):
710 filtered_records.append(record)
711 return filtered_records
713 def save_records_to_file(filename, recordList):
715 for record in recordList:
717 save_record_to_file(filename + "." + str(index), record)
719 save_record_to_file(filename, record)
722 def save_record_to_file(filename, record):
723 if not filename.startswith(os.sep):
724 filename = sfi_dir + filename
725 str = record.save_to_string()
726 file(filename, "w").write(str)
729 def load_record_from_file(filename):
730 str = file(filename, "r").read()
731 record = GeniRecord(string=str)
734 if __name__=="__main__":