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
14 from sfa.util.geniclient import GeniClient
15 from sfa.util.record import *
16 from sfa.util.rspec import Rspec
17 from sfa.util.xmlrpcprotocol import ServerException
18 import sfa.util.xmlrpcprotocol as xmlrpcprotocol
19 import sfa.util.soapprotocol as soapprotocol
20 from sfa.util.config import Config
31 # Establish Connection to SliceMgr and Registry Servers
33 def set_servers(self):
34 config_file = self.options.sfi_dir + os.sep + "sfi_config"
36 config = Config (config_file)
38 print "Failed to read configuration file",config_file
39 print "Make sure to remove the export clauses and to add quotes"
40 if not self.options.verbose:
41 print "Re-run with -v for more details"
48 if (self.options.sm is not None):
49 sm_url = self.options.sm
50 elif hasattr(config,"SFI_SM"):
51 sm_url = config.SFI_SM
53 print "You need to set e.g. SFI_SM='http://your.slicemanager.url:12347/' in %s"%config_file
57 if (self.options.registry is not None):
58 reg_url = self.options.registry
59 elif hasattr(config,"SFI_REGISTRY"):
60 reg_url = config.SFI_REGISTRY
62 print "You need to set e.g. SFI_REGISTRY='http://your.registry.url:12345/' in %s"%config_file
66 if (self.options.user is not None):
67 self.user = self.options.user
68 elif hasattr(config,"SFI_USER"):
69 self.user = config.SFI_USER
71 print "You need to set e.g. SFI_USER='plc.princeton.username' in %s"%config_file
75 if (self.options.auth is not None):
76 self.authority = self.options.auth
77 elif hasattr(config,"SFI_AUTH"):
78 self.authority = config.SFI_AUTH
80 print "You need to set e.g. SFI_AUTH='plc.princeton' in %s"%config_file
86 if self.options.verbose :
87 print "Contacting Slice Manager at:", sm_url
88 print "Contacting Registry at:", reg_url
90 # Get key and certificate
91 key_file = self.get_key_file()
92 cert_file = self.get_cert_file(key_file)
93 self.key = Keypair(filename=key_file)
94 self.key_file = key_file
95 self.cert_file = cert_file
96 self.cert = Certificate(filename=cert_file)
97 # Establish connection to server(s)
98 self.slicemgr = GeniClient(sm_url, key_file, cert_file, self.options.protocol)
99 #self.registry = GeniClient(reg_url, key_file, cert_file, self.options.protocol)
100 self.registry = xmlrpcprotocol.get_server(reg_url, key_file, cert_file)
104 # Get various credential and spec files
106 # Establishes limiting conventions
107 # - conflates MAs and SAs
108 # - assumes last token in slice name is unique
110 # Bootstraps credentials
111 # - bootstrap user credential from self-signed certificate
112 # - bootstrap authority credential from user credential
113 # - bootstrap slice credential from user credential
116 def get_leaf(self,name):
117 parts = name.split(".")
120 def get_key_file(self):
121 file = os.path.join(self.options.sfi_dir, self.get_leaf(self.user) + ".pkey")
122 if (os.path.isfile(file)):
125 print "Key file", file, "does not exist"
129 def get_cert_file(self,key_file):
131 file = os.path.join(self.options.sfi_dir, self.get_leaf(self.user) + ".cert")
132 if (os.path.isfile(file)):
135 k = Keypair(filename = key_file)
136 cert = Certificate(subject=self.user)
138 cert.set_issuer(k, self.user)
140 if self.options.verbose :
141 print "Writing self-signed certificate to", file
142 cert.save_to_file(file)
146 file = os.path.join(self.options.sfi_dir, self.get_leaf(self.user) + ".gid")
147 if (os.path.isfile(file)):
148 gid = GID(filename=file)
151 cert_str = self.cert.save_to_string(save_parents=True)
152 request_hash = self.key.compute_hash([cert_str, self.user, "user"])
153 gid_str = self.registry.get_gid(cert_str, self.user, "user", request_hash)
154 gid = GID(string=gid_str)
155 if self.options.verbose:
156 print "Writing user gid to", file
157 gid.save_to_file(file, save_parents=True)
160 def get_user_cred(self):
161 file = os.path.join(self.options.sfi_dir, self.get_leaf(self.user) + ".cred")
162 if (os.path.isfile(file)):
163 user_cred = Credential(filename=file)
166 # bootstrap user credential
167 request_hash = self.key.compute_hash([None, "user", self.user])
168 user_cred = self.registry.get_credential(None, "user", self.user, request_hash)
170 cred = Credential(string=user_cred)
171 cred.save_to_file(file, save_parents=True)
172 if self.options.verbose:
173 print "Writing user credential to", file
176 print "Failed to get user credential"
179 def get_auth_cred(self):
181 if not self.authority:
182 print "no authority specified. Use -a or set SF_AUTH"
185 file = os.path.join(self.options.sfi_dir, self.get_leaf("authority") +".cred")
186 if (os.path.isfile(file)):
187 auth_cred = Credential(filename=file)
190 # bootstrap authority credential from user credential
191 user_cred = self.get_user_cred().save_to_string(save_parents=True)
192 request_hash = self.key.compute_hash([user_cred, "authority", self.authority])
193 auth_cred = self.registry.get_credential(user_cred, "authority", self.authority, request_hash)
195 cred = Credential(string=auth_cred)
196 cred.save_to_file(file, save_parents=True)
197 if self.options.verbose:
198 print "Writing authority credential to", file
201 print "Failed to get authority credential"
204 def get_slice_cred(self,name):
205 file = os.path.join(self.options.sfi_dir, "slice_" + self.get_leaf(name) + ".cred")
206 if (os.path.isfile(file)):
207 slice_cred = Credential(filename=file)
210 # bootstrap slice credential from user credential
211 user_cred = self.get_user_cred()
212 slice_cred = self.registry.get_credential(user_cred, "slice", name)
214 slice_cred.save_to_file(file, save_parents=True)
215 if self.options.verbose:
216 print "Writing slice credential to", file
219 print "Failed to get slice credential"
222 def delegate_cred(self,cred, hrn, type = 'authority'):
223 # the gid and hrn of the object we are delegating
224 object_gid = cred.get_gid_object()
225 object_hrn = object_gid.get_hrn()
226 cred.set_delegate(True)
227 if not cred.get_delegate():
228 raise Exception, "Error: Object credential %(object_hrn)s does not have delegate bit set" % locals()
231 records = self.registry.resolve(cred, hrn)
232 records = self.filter_records(type, records)
235 raise Exception, "Error: Didn't find a %(type)s record for %(hrn)s" % locals()
237 # the gid of the user who will be delegated too
238 delegee_gid = records[0].get_gid_object()
239 delegee_hrn = delegee_gid.get_hrn()
241 # the key and hrn of the user who will be delegating
242 user_key = Keypair(filename = self.get_key_file())
243 user_hrn = cred.get_gid_caller().get_hrn()
245 dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
246 dcred.set_gid_caller(delegee_gid)
247 dcred.set_gid_object(object_gid)
248 dcred.set_privileges(cred.get_privileges())
249 dcred.set_delegate(True)
250 dcred.set_pubkey(object_gid.get_pubkey())
251 dcred.set_issuer(user_key, user_hrn)
252 dcred.set_parent(cred)
258 def get_rspec_file(self,rspec):
259 if (os.path.isabs(rspec)):
262 file = os.path.join(self.options.sfi_dir, rspec)
263 if (os.path.isfile(file)):
266 print "No such rspec file", rspec
269 def get_record_file(self,record):
270 if (os.path.isabs(record)):
273 file = os.path.join(self.options.sfi_dir, record)
274 if (os.path.isfile(file)):
277 print "No such registry record file", record
280 def load_publickey_string(self,fn):
282 key_string = f.read()
284 # if the filename is a private key file, then extract the public key
285 if "PRIVATE KEY" in key_string:
286 outfn = tempfile.mktemp()
287 cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
290 key_string = f.read()
295 # Generate sub-command parser
297 def create_cmd_parser(self,command, additional_cmdargs = None):
298 cmdargs = {"gid": "",
304 "aggregates": "[name]",
305 "registries": "[name]",
307 "resources": "[name]",
308 "create": "name rspec",
316 if additional_cmdargs:
317 cmdargs.update(additional_cmdargs)
319 if command not in cmdargs:
320 print "Invalid command\n"
322 for key in cmdargs.keys():
327 parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
328 % (command, cmdargs[command]))
330 if command in ("resources"):
331 parser.add_option("-f", "--format", dest="format",type="choice",
332 help="display format ([xml]|dns|ip)",default="xml",
333 choices=("xml","dns","ip"))
334 parser.add_option("-a", "--aggregate", dest="aggregate",
335 default=None, help="aggregate hrn")
337 if command in ("create"):
338 parser.add_option("-a", "--aggregate", dest="aggregate",default=None,
339 help="aggregate hrn")
341 if command in ("list", "show", "remove"):
342 parser.add_option("-t", "--type", dest="type",type="choice",
343 help="type filter ([all]|user|slice|sa|ma|node|aggregate)",
344 choices=("all","user","slice","sa","ma","node","aggregate"),
347 if command in ("resources", "show", "list"):
348 parser.add_option("-o", "--output", dest="file",
349 help="output XML to file", metavar="FILE", default=None)
351 if command in ("show", "list"):
352 parser.add_option("-f", "--format", dest="format", type="choice",
353 help="display format ([text]|xml)",default="text",
354 choices=("text","xml"))
356 if command in ("delegate"):
357 parser.add_option("-u", "--user",
358 action="store_true", dest="delegate_user", default=False,
359 help="delegate user credential")
360 parser.add_option("-s", "--slice", dest="delegate_slice",
361 help="delegate slice credential", metavar="HRN", default=None)
364 def create_parser(self):
366 # Generate command line parser
367 parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
368 description="Commands: gid,list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
369 parser.add_option("-r", "--registry", dest="registry",
370 help="root registry", metavar="URL", default=None)
371 parser.add_option("-s", "--slicemgr", dest="sm",
372 help="slice manager", metavar="URL", default=None)
373 default_sfi_dir=os.path.expanduser("~/.sfi/")
374 parser.add_option("-d", "--dir", dest="sfi_dir",
375 help="config & working directory - default is " + default_sfi_dir,
376 metavar="PATH", default = default_sfi_dir)
377 parser.add_option("-u", "--user", dest="user",
378 help="user name", metavar="HRN", default=None)
379 parser.add_option("-a", "--auth", dest="auth",
380 help="authority name", metavar="HRN", default=None)
381 parser.add_option("-v", "--verbose",
382 action="store_true", dest="verbose", default=False,
384 parser.add_option("-p", "--protocol",
385 dest="protocol", default="xmlrpc",
386 help="RPC protocol (xmlrpc or soap)")
387 parser.disable_interspersed_args()
391 def dispatch(self,command, cmd_opts, cmd_args):
392 getattr(self,command)(cmd_opts, cmd_args)
395 # Following functions implement the commands
397 # Registry-related commands
400 def gid(self, opts, args):
402 print "GID: %s" % (gid.save_to_string(save_parents=True))
405 # list entires in named authority registry
406 def list(self,opts, args):
407 user_cred = self.get_user_cred().save_to_string(save_parents=True)
409 request_hash = self.key.compute_hash([user_cred, hrn])
411 list = self.registry.list(user_cred, hrn, request_hash)
413 raise Exception, "Not enough parameters for the 'list' command"
415 # filter on person, slice, site, node, etc.
416 # THis really should be in the self.filter_records funct def comment...
417 list = self.filter_records(opts.type, list)
419 print "%s (%s)" % (record['hrn'], record['type'])
421 self.save_records_to_file(opts.file, list)
424 # show named registry record
425 def show(self,opts, args):
426 user_cred = self.get_user_cred().save_to_string(save_parents=True)
428 request_hash = self.key.compute_hash([user_cred, hrn])
429 records = self.registry.resolve(user_cred, hrn, request_hash)
430 records = self.filter_records(opts.type, records)
432 print "No record of type", opts.type
433 for record in records:
434 if record['type'] in ['user']:
435 record = UserRecord(dict = record)
436 elif record['type'] in ['slice']:
437 record = SliceRecord(dict = record)
438 elif record['type'] in ['node']:
439 record = NodeRecord(dict = record)
440 elif record['type'] in ['authority', 'ma', 'sa']:
441 record = AuthorityRecord(dict = record)
443 record = GeniRecord(dict = record)
444 if (opts.format=="text"):
447 print record.save_to_string()
450 self.save_records_to_file(opts.file, records)
453 def delegate(self,opts, args):
454 user_cred = self.get_user_cred()
455 if opts.delegate_user:
456 object_cred = user_cred
457 elif opts.delegate_slice:
458 object_cred = self.get_slice_cred(opts.delegate_slice)
460 print "Must specify either --user or --slice <hrn>"
463 # the gid and hrn of the object we are delegating
464 object_gid = object_cred.get_gid_object()
465 object_hrn = object_gid.get_hrn()
467 if not object_cred.get_delegate():
468 print "Error: Object credential", object_hrn, "does not have delegate bit set"
471 records = self.registry.resolve(user_cred, args[0])
472 records = self.filter_records("user", records)
475 print "Error: Didn't find a user record for", args[0]
478 # the gid of the user who will be delegated too
479 delegee_gid = records[0].get_gid_object()
480 delegee_hrn = delegee_gid.get_hrn()
482 # the key and hrn of the user who will be delegating
483 user_key = Keypair(filename = self.get_key_file())
484 user_hrn = user_cred.get_gid_caller().get_hrn()
486 dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
487 dcred.set_gid_caller(delegee_gid)
488 dcred.set_gid_object(object_gid)
489 dcred.set_privileges(object_cred.get_privileges())
490 dcred.set_delegate(True)
491 dcred.set_pubkey(object_gid.get_pubkey())
492 dcred.set_issuer(user_key, user_hrn)
493 dcred.set_parent(object_cred)
497 if opts.delegate_user:
498 dest_fn = os.path.join(self.options.sfi_dir, self.get_leaf(delegee_hrn) + "_"
499 + self.get_leaf(object_hrn) + ".cred")
500 elif opts.delegate_slice:
501 dest_fn = os.path_join(self.options.sfi_dir, self.get_leaf(delegee_hrn) + "_slice_"
502 + self.get_leaf(object_hrn) + ".cred")
504 dcred.save_to_file(dest_fn, save_parents = True)
506 print "delegated credential for", object_hrn, "to", delegee_hrn, "and wrote to", dest_fn
508 # removed named registry record
509 # - have to first retrieve the record to be removed
510 def remove(self,opts, args):
511 auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
516 arg_list = [auth_cred, type, hrn]
517 request_hash = self.key.compute_hash(arg_list)
518 return self.registry.remove(auth_cred, type, hrn, request_hash)
520 # add named registry record
521 def add(self,opts, args):
522 auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
523 record_filepath = args[0]
524 rec_file = self.get_record_file(record_filepath)
525 record = self.load_record_from_file(rec_file).as_dict()
526 arg_list = [auth_cred]
527 request_hash = self.key.compute_hash(arg_list)
528 return self.registry.register(auth_cred, record, request_hash)
530 # update named registry entry
531 def update(self,opts, args):
532 user_cred = self.get_user_cred()
533 rec_file = self.get_record_file(args[0])
534 record = self.load_record_from_file(rec_file)
535 if record['type'] == "user":
536 if record.get_name() == user_cred.get_gid_object().get_hrn():
537 cred = user_cred.save_to_string(save_parents=True)
539 cred = self.get_auth_cred().save_to_string(save_parents=True)
540 elif record['type'] in ["slice"]:
542 cred = self.get_slice_cred(record.get_name()).save_to_string(save_parents=True)
543 except ServerException, e:
544 # XXX smbaker -- once we have better error return codes, update this
545 # to do something better than a string compare
546 if "Permission error" in e.args[0]:
547 cred = self.get_auth_cred().save_to_string(save_parents=True)
550 elif record.get_type() in ["authority"]:
551 cred = self.get_auth_cred().save_to_string(save_parents=True)
552 elif record.get_type() == 'node':
553 cred = self.get_auth_cred().save_to_string(save_parents=True)
555 raise "unknown record type" + record.get_type()
556 record = record.as_dict()
558 request_hash = self.key.compute_hash(arg_list)
559 return self.registry.update(cred, record, request_hash)
562 def aggregates(self, opts, args):
563 user_cred = self.get_user_cred().save_to_string(save_parents=True)
567 arg_list = [user_cred, hrn]
568 request_hash = self.key.compute_hash(arg_list)
569 result = self.registry.get_aggregates(user_cred, hrn, request_hash)
570 self.display_list(result)
573 def registries(self, opts, args):
574 user_cred = self.get_user_cred().save_to_string(save_parents=True)
578 arg_list = [user_cred, hrn]
579 request_hash = self.key.compute_hash(arg_list)
580 result = self.registry.get_registries(user_cred, hrn, request_hash)
581 self.display_list(result)
585 # Slice-related commands
588 # list available nodes -- use 'resources' w/ no argument instead
590 # list instantiated slices
591 def slices(self,opts, args):
592 user_cred = self.get_user_cred().save_to_string(save_parents=True)
593 arg_list = [user_cred]
594 request_hash = self.key.compute_hash(arg_list)
595 results = self.slicemgr.get_slices(user_cred, request_hash)
596 self.display_list(results)
599 # show rspec for named slice
600 def resources(self,opts, args):
601 user_cred = self.get_user_cred().save_to_string(save_parents=True)
602 server = self.slicemgr
604 agg_hrn = opts.aggregate
605 arg_list = [user_cred, arg_hrn]
606 request_hash = self.key.compute_hash(arg_list)
607 aggregates = self.registry.get_aggregates(user_cred, agg_hrn, request_hash)
609 raise Exception, "No such aggregate %s" % agg_hrn
610 aggregate = aggregates[0]
611 url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
612 server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
614 cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
620 arg_list = [cred, hrn]
621 request_hash = self.key.compute_hash(arg_list)
622 result = server.get_resources(cred, hrn, request_hash)
625 self.display_rspec(result, format)
626 if (opts.file is not None):
627 self.save_rspec_to_file(result, opts.file)
630 # created named slice with given rspec
631 def create(self,opts, args):
633 user_cred = self.get_user_cred()
634 slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
635 rspec_file = self.get_rspec_file(args[1])
636 rspec=open(rspec_file).read()
637 server = self.slicemgr
639 aggregates = self.registry.get_aggregates(user_cred, opts.aggregate)
641 raise Exception, "No such aggregate %s" % opts.aggregate
642 aggregate = aggregates[0]
643 url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
644 server = GeniClient(url, self.key_file, self.cert_file, self.options.protocol)
645 arg_list = [slice_cred, slice_hrn, rspec]
646 request_hash = self.key.compute_hash(arg_list)
647 return server.create_slice(slice_cred, slice_hrn, rspec, request_hash)
650 def delete(self,opts, args):
652 slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
653 arg_list = [slice_cred, slice_hrn]
654 request_hash = self.key.compute_hash(arg_list)
655 return self.slicemgr.delete_slice(slice_cred, slice_hrn, request_hash)
658 def start(self,opts, args):
660 slice_cred = self.get_slice_cred(args[0])
661 arg_list = [slice_cred, slice_hrn]
662 request_hash = self.key.compute_hash(arg_list)
663 return self.slicemgr.start_slice(slice_cred, slice_hrn, request_hash)
666 def stop(self,opts, args):
668 slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
669 arg_list = [slice_cred, slice_hrn]
670 request_hash = self.key.compute_hash(arg_list)
671 return self.slicemgr.stop_slice(slice_cred, slice_hrn, request_hash)
674 def reset(self,opts, args):
676 slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
677 arg_list = [slice_cred, slice_hrn]
678 request_hash = self.key.compute_hash(arg_list)
679 return self.slicemgr.reset_slice(slice_cred, slice_hrn, request_hash)
683 # Display, Save, and Filter RSpecs and Records
684 # - to be replace by EMF-generated routines
688 def display_rspec(self,rspec, format = 'rspec'):
689 if format in ['dns']:
691 spec.parseString(rspec)
693 nodespecs = spec.getDictsByTagName('NodeSpec')
694 for nodespec in nodespecs:
695 if nodespec.has_key('name') and nodespec['name']:
696 if isinstance(nodespec['name'], ListType):
697 hostnames.extend(nodespec['name'])
698 elif isinstance(nodespec['name'], StringTypes):
699 hostnames.append(nodespec['name'])
701 elif format in ['ip']:
703 spec.parseString(rspec)
705 ifspecs = spec.getDictsByTagName('IfSpec')
706 for ifspec in ifspecs:
707 if ifspec.has_key('addr') and ifspec['addr']:
708 ips.append(ifspec['addr'])
716 def display_list(self,results):
717 for result in results:
720 def save_rspec_to_file(self,rspec, filename):
721 if not filename.startswith(os.sep):
722 filename = self.options.sfi_dir + filename
723 if not filename.endswith(".rspec"):
724 filename = filename + ".rspec"
726 f = open(filename, 'w')
731 def display_records(self,recordList, dump = False):
732 ''' Print all fields in the record'''
733 for record in recordList:
734 self.display_record(record, dump)
736 def display_record(self,record, dump = False):
740 info = record.getdict()
741 print "%s (%s)" % (info['hrn'], info['type'])
744 def filter_records(self,type, records):
745 filtered_records = []
746 for record in records:
747 if (record['type'] == type) or (type == "all"):
748 filtered_records.append(record)
749 return filtered_records
751 def save_records_to_file(self,filename, recordList):
753 for record in recordList:
755 self.save_record_to_file(filename + "." + str(index), record)
757 self.save_record_to_file(filename, record)
760 def save_record_to_file(self,filename, record):
761 if record['type'] in ['user']:
762 record = UserRecord(dict = record)
763 elif record['type'] in ['slice']:
764 record = SliceRecord(dict = record)
765 elif record['type'] in ['node']:
766 record = NodeRecord(dict = record)
767 elif record['type'] in ['authority', 'ma', 'sa']:
768 record = AuthorityRecord(dict = record)
770 record = GeniRecord(dict = record)
771 if not filename.startswith(os.sep):
772 filename = self.options.sfi_dir + filename
773 str = record.save_to_string()
774 file(filename, "w").write(str)
777 def load_record_from_file(self,filename):
778 str = file(filename, "r").read()
779 record = GeniRecord(string=str)
783 # Main: parse arguments and dispatch to command
786 parser = self.create_parser()
787 (options, args) = parser.parse_args()
788 self.options = options
791 print "No command given. Use -h for help."
795 (cmd_opts, cmd_args) = self.create_cmd_parser(command).parse_args(args[1:])
796 if self.options.verbose :
797 print "Registry %s, sm %s, dir %s, user %s, auth %s" % (options.registry,
802 print "Command %s" %command
803 if command in ("resources"):
804 print "resources cmd_opts %s" %cmd_opts.format
805 elif command in ("list","show","remove"):
806 print "cmd_opts.type %s" %cmd_opts.type
807 print "cmd_args %s" %cmd_args
812 self.dispatch(command, cmd_opts, cmd_args)
815 print "Command not found:", command
820 if __name__=="__main__":