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 from sfa.util.config import Config
30 # Establish Connection to SliceMgr and Registry Servers
32 def set_servers(self):
33 config_file = self.options.sfi_dir + os.sep + "sfi_config"
35 config = Config (config_file)
37 print "Failed to read configuration file",config_file
38 print "Make sure to remove the export clauses and to add quotes"
39 if not self.options.verbose:
40 print "Re-run with -v for more details"
47 if (self.options.sm is not None):
48 sm_url = self.options.sm
49 elif hasattr(config,"SFI_SM"):
50 sm_url = config.SFI_SM
52 print "You need to set e.g. SFI_SM='http://your.slicemanager.url:12347/' in %s"%config_file
56 if (self.options.registry is not None):
57 reg_url = self.options.registry
58 elif hasattr(config,"SFI_REGISTRY"):
59 reg_url = config.SFI_REGISTRY
61 print "You need to set e.g. SFI_REGISTRY='http://your.registry.url:12345/' in %s"%config_file
65 if (self.options.user is not None):
66 self.user = self.options.user
67 elif hasattr(config,"SFI_USER"):
68 self.user = config.SFI_USER
70 print "You need to set e.g. SFI_USER='plc.princeton.username' in %s"%config_file
74 if (self.options.auth is not None):
75 self.authority = self.options.auth
76 elif hasattr(config,"SFI_AUTH"):
77 self.authority = config.SFI_AUTH
79 print "You need to set e.g. SFI_AUTH='plc.princeton' in %s"%config_file
85 if self.options.verbose :
86 print "Contacting Slice Manager at:", sm_url
87 print "Contacting Registry at:", reg_url
89 # Get key and certificate
90 key_file = self.get_key_file()
91 cert_file = self.get_cert_file(key_file)
92 self.key = Keypair(filename=key_file)
93 self.key_file = key_file
94 self.cert_file = cert_file
95 self.cert = Certificate(filename=cert_file)
96 # Establish connection to server(s)
97 #self.slicemgr = GeniClient(sm_url, key_file, cert_file, self.options.protocol)
98 #self.registry = GeniClient(reg_url, key_file, cert_file, self.options.protocol)
99 self.registry = xmlrpcprotocol.get_server(reg_url, key_file, cert_file)
100 self.slicemgr = xmlrpcprotocol.get_server(sm_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 cert_string = self.cert.save_to_string(save_parents=True)
168 request_hash = self.key.compute_hash([cert_string, "user", self.user])
169 user_cred = self.registry.get_self_credential(cert_string, "user", self.user, request_hash)
171 cred = Credential(string=user_cred)
172 cred.save_to_file(file, save_parents=True)
173 if self.options.verbose:
174 print "Writing user credential to", file
177 print "Failed to get user credential"
180 def get_auth_cred(self):
182 if not self.authority:
183 print "no authority specified. Use -a or set SF_AUTH"
186 file = os.path.join(self.options.sfi_dir, self.get_leaf("authority") +".cred")
187 if (os.path.isfile(file)):
188 auth_cred = Credential(filename=file)
191 # bootstrap authority credential from user credential
192 user_cred = self.get_user_cred().save_to_string(save_parents=True)
193 request_hash = self.key.compute_hash([user_cred, "authority", self.authority])
194 auth_cred = self.registry.get_credential(user_cred, "authority", self.authority, request_hash)
196 cred = Credential(string=auth_cred)
197 cred.save_to_file(file, save_parents=True)
198 if self.options.verbose:
199 print "Writing authority credential to", file
202 print "Failed to get authority credential"
205 def get_slice_cred(self,name):
206 file = os.path.join(self.options.sfi_dir, "slice_" + self.get_leaf(name) + ".cred")
207 if (os.path.isfile(file)):
208 slice_cred = Credential(filename=file)
211 # bootstrap slice credential from user credential
212 user_cred = self.get_user_cred().save_to_string(save_parents=True)
213 arg_list = [user_cred, "slice", name]
214 request_hash = self.key.compute_hash(arg_list)
215 slice_cred_str = self.registry.get_credential(user_cred, "slice", name, request_hash)
217 slice_cred = Credential(string=slice_cred_str)
218 slice_cred.save_to_file(file, save_parents=True)
219 if self.options.verbose:
220 print "Writing slice credential to", file
223 print "Failed to get slice credential"
226 def delegate_cred(self,cred, hrn, type = 'authority'):
227 # the gid and hrn of the object we are delegating
228 object_gid = cred.get_gid_object()
229 object_hrn = object_gid.get_hrn()
230 cred.set_delegate(True)
231 if not cred.get_delegate():
232 raise Exception, "Error: Object credential %(object_hrn)s does not have delegate bit set" % locals()
235 records = self.registry.resolve(cred, hrn)
236 records = self.filter_records(type, records)
239 raise Exception, "Error: Didn't find a %(type)s record for %(hrn)s" % locals()
241 # the gid of the user who will be delegated too
242 delegee_gid = records[0].get_gid_object()
243 delegee_hrn = delegee_gid.get_hrn()
245 # the key and hrn of the user who will be delegating
246 user_key = Keypair(filename = self.get_key_file())
247 user_hrn = cred.get_gid_caller().get_hrn()
249 dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
250 dcred.set_gid_caller(delegee_gid)
251 dcred.set_gid_object(object_gid)
252 dcred.set_privileges(cred.get_privileges())
253 dcred.set_delegate(True)
254 dcred.set_pubkey(object_gid.get_pubkey())
255 dcred.set_issuer(user_key, user_hrn)
256 dcred.set_parent(cred)
262 def get_rspec_file(self,rspec):
263 if (os.path.isabs(rspec)):
266 file = os.path.join(self.options.sfi_dir, rspec)
267 if (os.path.isfile(file)):
270 print "No such rspec file", rspec
273 def get_record_file(self,record):
274 if (os.path.isabs(record)):
277 file = os.path.join(self.options.sfi_dir, record)
278 if (os.path.isfile(file)):
281 print "No such registry record file", record
284 def load_publickey_string(self,fn):
286 key_string = f.read()
288 # if the filename is a private key file, then extract the public key
289 if "PRIVATE KEY" in key_string:
290 outfn = tempfile.mktemp()
291 cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
294 key_string = f.read()
299 # Generate sub-command parser
301 def create_cmd_parser(self,command, additional_cmdargs = None):
302 cmdargs = {"gid": "",
308 "aggregates": "[name]",
309 "registries": "[name]",
311 "resources": "[name]",
312 "create": "name rspec",
320 if additional_cmdargs:
321 cmdargs.update(additional_cmdargs)
323 if command not in cmdargs:
324 print "Invalid command\n"
326 for key in cmdargs.keys():
331 parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
332 % (command, cmdargs[command]))
334 if command in ("resources"):
335 parser.add_option("-f", "--format", dest="format",type="choice",
336 help="display format ([xml]|dns|ip)",default="xml",
337 choices=("xml","dns","ip"))
338 parser.add_option("-a", "--aggregate", dest="aggregate",
339 default=None, help="aggregate hrn")
341 if command in ("create"):
342 parser.add_option("-a", "--aggregate", dest="aggregate",default=None,
343 help="aggregate hrn")
345 if command in ("list", "show", "remove"):
346 parser.add_option("-t", "--type", dest="type",type="choice",
347 help="type filter ([all]|user|slice|sa|ma|node|aggregate)",
348 choices=("all","user","slice","sa","ma","node","aggregate"),
351 if command in ("resources", "show", "list"):
352 parser.add_option("-o", "--output", dest="file",
353 help="output XML to file", metavar="FILE", default=None)
355 if command in ("show", "list"):
356 parser.add_option("-f", "--format", dest="format", type="choice",
357 help="display format ([text]|xml)",default="text",
358 choices=("text","xml"))
360 if command in ("delegate"):
361 parser.add_option("-u", "--user",
362 action="store_true", dest="delegate_user", default=False,
363 help="delegate user credential")
364 parser.add_option("-s", "--slice", dest="delegate_slice",
365 help="delegate slice credential", metavar="HRN", default=None)
368 def create_parser(self):
370 # Generate command line parser
371 parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
372 description="Commands: gid,list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
373 parser.add_option("-r", "--registry", dest="registry",
374 help="root registry", metavar="URL", default=None)
375 parser.add_option("-s", "--slicemgr", dest="sm",
376 help="slice manager", metavar="URL", default=None)
377 default_sfi_dir=os.path.expanduser("~/.sfi/")
378 parser.add_option("-d", "--dir", dest="sfi_dir",
379 help="config & working directory - default is " + default_sfi_dir,
380 metavar="PATH", default = default_sfi_dir)
381 parser.add_option("-u", "--user", dest="user",
382 help="user name", metavar="HRN", default=None)
383 parser.add_option("-a", "--auth", dest="auth",
384 help="authority name", metavar="HRN", default=None)
385 parser.add_option("-v", "--verbose",
386 action="store_true", dest="verbose", default=False,
388 parser.add_option("-p", "--protocol",
389 dest="protocol", default="xmlrpc",
390 help="RPC protocol (xmlrpc or soap)")
391 parser.disable_interspersed_args()
395 def dispatch(self,command, cmd_opts, cmd_args):
396 getattr(self,command)(cmd_opts, cmd_args)
399 # Following functions implement the commands
401 # Registry-related commands
404 def gid(self, opts, args):
406 print "GID: %s" % (gid.save_to_string(save_parents=True))
409 # list entires in named authority registry
410 def list(self,opts, args):
411 user_cred = self.get_user_cred().save_to_string(save_parents=True)
413 request_hash = self.key.compute_hash([user_cred, hrn])
415 list = self.registry.list(user_cred, hrn, request_hash)
417 raise Exception, "Not enough parameters for the 'list' command"
419 # filter on person, slice, site, node, etc.
420 # THis really should be in the self.filter_records funct def comment...
421 list = self.filter_records(opts.type, list)
423 print "%s (%s)" % (record['hrn'], record['type'])
425 self.save_records_to_file(opts.file, list)
428 # show named registry record
429 def show(self,opts, args):
430 user_cred = self.get_user_cred().save_to_string(save_parents=True)
432 request_hash = self.key.compute_hash([user_cred, hrn])
433 records = self.registry.resolve(user_cred, hrn, request_hash)
434 records = self.filter_records(opts.type, records)
436 print "No record of type", opts.type
437 for record in records:
438 if record['type'] in ['user']:
439 record = UserRecord(dict = record)
440 elif record['type'] in ['slice']:
441 record = SliceRecord(dict = record)
442 elif record['type'] in ['node']:
443 record = NodeRecord(dict = record)
444 elif record['type'] in ['authority', 'ma', 'sa']:
445 record = AuthorityRecord(dict = record)
447 record = GeniRecord(dict = record)
448 if (opts.format=="text"):
451 print record.save_to_string()
454 self.save_records_to_file(opts.file, records)
457 def delegate(self,opts, args):
458 user_cred = self.get_user_cred()
459 if opts.delegate_user:
460 object_cred = user_cred
461 elif opts.delegate_slice:
462 object_cred = self.get_slice_cred(opts.delegate_slice)
464 print "Must specify either --user or --slice <hrn>"
467 # the gid and hrn of the object we are delegating
468 object_gid = object_cred.get_gid_object()
469 object_hrn = object_gid.get_hrn()
471 if not object_cred.get_delegate():
472 print "Error: Object credential", object_hrn, "does not have delegate bit set"
475 records = self.registry.resolve(user_cred, args[0])
476 records = self.filter_records("user", records)
479 print "Error: Didn't find a user record for", args[0]
482 # the gid of the user who will be delegated too
483 delegee_gid = records[0].get_gid_object()
484 delegee_hrn = delegee_gid.get_hrn()
486 # the key and hrn of the user who will be delegating
487 user_key = Keypair(filename = self.get_key_file())
488 user_hrn = user_cred.get_gid_caller().get_hrn()
490 dcred = Credential(subject=object_hrn + " delegated to " + delegee_hrn)
491 dcred.set_gid_caller(delegee_gid)
492 dcred.set_gid_object(object_gid)
493 dcred.set_privileges(object_cred.get_privileges())
494 dcred.set_delegate(True)
495 dcred.set_pubkey(object_gid.get_pubkey())
496 dcred.set_issuer(user_key, user_hrn)
497 dcred.set_parent(object_cred)
501 if opts.delegate_user:
502 dest_fn = os.path.join(self.options.sfi_dir, self.get_leaf(delegee_hrn) + "_"
503 + self.get_leaf(object_hrn) + ".cred")
504 elif opts.delegate_slice:
505 dest_fn = os.path_join(self.options.sfi_dir, self.get_leaf(delegee_hrn) + "_slice_"
506 + self.get_leaf(object_hrn) + ".cred")
508 dcred.save_to_file(dest_fn, save_parents = True)
510 print "delegated credential for", object_hrn, "to", delegee_hrn, "and wrote to", dest_fn
512 # removed named registry record
513 # - have to first retrieve the record to be removed
514 def remove(self,opts, args):
515 auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
520 arg_list = [auth_cred, type, hrn]
521 request_hash = self.key.compute_hash(arg_list)
522 return self.registry.remove(auth_cred, type, hrn, request_hash)
524 # add named registry record
525 def add(self,opts, args):
526 auth_cred = self.get_auth_cred().save_to_string(save_parents=True)
527 record_filepath = args[0]
528 rec_file = self.get_record_file(record_filepath)
529 record = self.load_record_from_file(rec_file).as_dict()
530 arg_list = [auth_cred]
531 request_hash = self.key.compute_hash(arg_list)
532 return self.registry.register(auth_cred, record, request_hash)
534 # update named registry entry
535 def update(self,opts, args):
536 user_cred = self.get_user_cred()
537 rec_file = self.get_record_file(args[0])
538 record = self.load_record_from_file(rec_file)
539 if record['type'] == "user":
540 if record.get_name() == user_cred.get_gid_object().get_hrn():
541 cred = user_cred.save_to_string(save_parents=True)
543 cred = self.get_auth_cred().save_to_string(save_parents=True)
544 elif record['type'] in ["slice"]:
546 cred = self.get_slice_cred(record.get_name()).save_to_string(save_parents=True)
547 except ServerException, e:
548 # XXX smbaker -- once we have better error return codes, update this
549 # to do something better than a string compare
550 if "Permission error" in e.args[0]:
551 cred = self.get_auth_cred().save_to_string(save_parents=True)
554 elif record.get_type() in ["authority"]:
555 cred = self.get_auth_cred().save_to_string(save_parents=True)
556 elif record.get_type() == 'node':
557 cred = self.get_auth_cred().save_to_string(save_parents=True)
559 raise "unknown record type" + record.get_type()
560 record = record.as_dict()
562 request_hash = self.key.compute_hash(arg_list)
563 return self.registry.update(cred, record, request_hash)
566 def aggregates(self, opts, args):
567 user_cred = self.get_user_cred().save_to_string(save_parents=True)
571 arg_list = [user_cred, hrn]
572 request_hash = self.key.compute_hash(arg_list)
573 result = self.registry.get_aggregates(user_cred, hrn, request_hash)
574 self.display_list(result)
577 def registries(self, opts, args):
578 user_cred = self.get_user_cred().save_to_string(save_parents=True)
582 arg_list = [user_cred, hrn]
583 request_hash = self.key.compute_hash(arg_list)
584 result = self.registry.get_registries(user_cred, hrn, request_hash)
585 self.display_list(result)
589 # Slice-related commands
592 # list available nodes -- use 'resources' w/ no argument instead
594 # list instantiated slices
595 def slices(self,opts, args):
596 user_cred = self.get_user_cred().save_to_string(save_parents=True)
597 arg_list = [user_cred]
598 request_hash = self.key.compute_hash(arg_list)
599 results = self.slicemgr.get_slices(user_cred, request_hash)
600 self.display_list(results)
603 # show rspec for named slice
604 def resources(self,opts, args):
605 user_cred = self.get_user_cred().save_to_string(save_parents=True)
606 server = self.slicemgr
608 agg_hrn = opts.aggregate
609 arg_list = [user_cred, arg_hrn]
610 request_hash = self.key.compute_hash(arg_list)
611 aggregates = self.registry.get_aggregates(user_cred, agg_hrn, request_hash)
613 raise Exception, "No such aggregate %s" % agg_hrn
614 aggregate = aggregates[0]
615 url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
616 server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
618 cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
624 arg_list = [cred, hrn]
625 request_hash = self.key.compute_hash(arg_list)
626 result = server.get_resources(cred, hrn, request_hash)
629 self.display_rspec(result, format)
630 if (opts.file is not None):
631 self.save_rspec_to_file(result, opts.file)
634 # created named slice with given rspec
635 def create(self,opts, args):
637 user_cred = self.get_user_cred()
638 slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
639 rspec_file = self.get_rspec_file(args[1])
640 rspec=open(rspec_file).read()
641 server = self.slicemgr
643 aggregates = self.registry.get_aggregates(user_cred, opts.aggregate)
645 raise Exception, "No such aggregate %s" % opts.aggregate
646 aggregate = aggregates[0]
647 url = "http://%s:%s" % (aggregate['addr'], aggregate['port'])
648 server = GeniClient(url, self.key_file, self.cert_file, self.options.protocol)
649 arg_list = [slice_cred, slice_hrn, rspec]
650 request_hash = self.key.compute_hash(arg_list)
651 return server.create_slice(slice_cred, slice_hrn, rspec, request_hash)
654 def delete(self,opts, args):
656 slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
657 arg_list = [slice_cred, slice_hrn]
658 request_hash = self.key.compute_hash(arg_list)
659 return self.slicemgr.delete_slice(slice_cred, slice_hrn, request_hash)
662 def start(self,opts, args):
664 slice_cred = self.get_slice_cred(args[0])
665 arg_list = [slice_cred, slice_hrn]
666 request_hash = self.key.compute_hash(arg_list)
667 return self.slicemgr.start_slice(slice_cred, slice_hrn, request_hash)
670 def stop(self,opts, args):
672 slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
673 arg_list = [slice_cred, slice_hrn]
674 request_hash = self.key.compute_hash(arg_list)
675 return self.slicemgr.stop_slice(slice_cred, slice_hrn, request_hash)
678 def reset(self,opts, args):
680 slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
681 arg_list = [slice_cred, slice_hrn]
682 request_hash = self.key.compute_hash(arg_list)
683 return self.slicemgr.reset_slice(slice_cred, slice_hrn, request_hash)
687 # Display, Save, and Filter RSpecs and Records
688 # - to be replace by EMF-generated routines
692 def display_rspec(self,rspec, format = 'rspec'):
693 if format in ['dns']:
695 spec.parseString(rspec)
697 nodespecs = spec.getDictsByTagName('NodeSpec')
698 for nodespec in nodespecs:
699 if nodespec.has_key('name') and nodespec['name']:
700 if isinstance(nodespec['name'], ListType):
701 hostnames.extend(nodespec['name'])
702 elif isinstance(nodespec['name'], StringTypes):
703 hostnames.append(nodespec['name'])
705 elif format in ['ip']:
707 spec.parseString(rspec)
709 ifspecs = spec.getDictsByTagName('IfSpec')
710 for ifspec in ifspecs:
711 if ifspec.has_key('addr') and ifspec['addr']:
712 ips.append(ifspec['addr'])
720 def display_list(self,results):
721 for result in results:
724 def save_rspec_to_file(self,rspec, filename):
725 if not filename.startswith(os.sep):
726 filename = self.options.sfi_dir + filename
727 if not filename.endswith(".rspec"):
728 filename = filename + ".rspec"
730 f = open(filename, 'w')
735 def display_records(self,recordList, dump = False):
736 ''' Print all fields in the record'''
737 for record in recordList:
738 self.display_record(record, dump)
740 def display_record(self,record, dump = False):
744 info = record.getdict()
745 print "%s (%s)" % (info['hrn'], info['type'])
748 def filter_records(self,type, records):
749 filtered_records = []
750 for record in records:
751 if (record['type'] == type) or (type == "all"):
752 filtered_records.append(record)
753 return filtered_records
755 def save_records_to_file(self,filename, recordList):
757 for record in recordList:
759 self.save_record_to_file(filename + "." + str(index), record)
761 self.save_record_to_file(filename, record)
764 def save_record_to_file(self,filename, record):
765 if record['type'] in ['user']:
766 record = UserRecord(dict = record)
767 elif record['type'] in ['slice']:
768 record = SliceRecord(dict = record)
769 elif record['type'] in ['node']:
770 record = NodeRecord(dict = record)
771 elif record['type'] in ['authority', 'ma', 'sa']:
772 record = AuthorityRecord(dict = record)
774 record = GeniRecord(dict = record)
775 if not filename.startswith(os.sep):
776 filename = self.options.sfi_dir + filename
777 str = record.save_to_string()
778 file(filename, "w").write(str)
781 def load_record_from_file(self,filename):
782 str = file(filename, "r").read()
783 record = GeniRecord(string=str)
787 # Main: parse arguments and dispatch to command
790 parser = self.create_parser()
791 (options, args) = parser.parse_args()
792 self.options = options
795 print "No command given. Use -h for help."
799 (cmd_opts, cmd_args) = self.create_cmd_parser(command).parse_args(args[1:])
800 if self.options.verbose :
801 print "Registry %s, sm %s, dir %s, user %s, auth %s" % (options.registry,
806 print "Command %s" %command
807 if command in ("resources"):
808 print "resources cmd_opts %s" %cmd_opts.format
809 elif command in ("list","show","remove"):
810 print "cmd_opts.type %s" %cmd_opts.type
811 print "cmd_args %s" %cmd_args
816 self.dispatch(command, cmd_opts, cmd_args)
819 print "Command not found:", command
824 if __name__=="__main__":