2 from __future__ import with_statement
4 # sfi -- slice-based facility interface
9 from optparse import OptionParser
10 from util.cert import Keypair, Certificate
11 from util.credential import Credential
12 from util.geniclient import GeniClient
13 from util.gid import create_uuid
14 from util.record import GeniRecord
16 sfi_dir = os.path.expanduser("~/.sfi/")
24 # Establish Connection to SliceMgr and Registry Servers
26 def set_servers(options):
33 if (options.sm is not None):
35 elif ("SFI_SM" in os.environ):
36 sm_url = os.environ["SFI_SM"]
38 print "No Known Slice Manager"
42 if (options.registry is not None):
43 reg_url = options.registry
44 elif ("SFI_REGISTRY" in os.environ):
45 reg_url = os.environ["SFI_REGISTRY"]
47 print "No Known Registry Server"
51 print "Contacting Slice Manager at:", sm_url
52 print "Contacting Registry at:", reg_url
55 if (options.user is not None):
57 elif ("SFI_USER" in os.environ):
58 user = os.environ["SFI_USER"]
60 print "No Known User Name"
64 if (options.auth is not None):
65 authority = options.auth
66 elif ("SFI_AUTH" in os.environ):
67 authority = os.environ["SFI_AUTH"]
71 # Get key and certificate
72 key_file = get_key_file()
73 cert_file = get_cert_file(key_file)
75 # Establish connection to server(s)
76 slicemgr = GeniClient(sm_url, key_file, cert_file)
77 registry = GeniClient(reg_url, key_file, cert_file)
81 # Get various credential and spec files
83 # Establishes limiting conventions
84 # - conflates MAs and SAs
85 # - assumes last token in slice name is unique
87 # Bootstraps credentials
88 # - bootstrap user credential from self-signed certificate
89 # - bootstrap authority credential from user credential
90 # - bootstrap slice credential from user credential
94 parts = name.split(".")
98 file = os.path.join(sfi_dir, get_leaf(user) + ".pkey")
99 if (os.path.isfile(file)):
102 print "Key file", file, "does not exist"
106 def get_cert_file(key_file):
109 file = os.path.join(sfi_dir, get_leaf(user) + ".cert")
110 if (os.path.isfile(file)):
113 k = Keypair(filename = key_file)
114 cert = Certificate(subject=user)
116 cert.set_issuer(k, user)
119 print "Writing self-signed certificate to", file
120 cert.save_to_file(file)
126 file = os.path.join(sfi_dir, get_leaf(user) + ".cred")
127 if (os.path.isfile(file)):
128 user_cred = Credential(filename=file)
131 # bootstrap user credential
132 user_cred = registry.get_credential(None, "user", user)
134 user_cred.save_to_file(file, save_parents=True)
136 print "Writing user credential to", file
139 print "Failed to get user credential"
146 print "no authority specified. Use -a or set SF_AUTH"
149 file = os.path.join(sfi_dir, get_leaf("authority") +".cred")
150 if (os.path.isfile(file)):
151 auth_cred = Credential(filename=file)
154 # bootstrap authority credential from user credential
155 user_cred = get_user_cred()
156 auth_cred = registry.get_credential(user_cred, "sa", authority)
158 auth_cred.save_to_file(file, save_parents=True)
160 print "Writing authority credential to", file
163 print "Failed to get authority credential"
166 def get_slice_cred(name):
167 file = os.path.join(sfi_dir, "slice_" + get_leaf(name) + ".cred")
168 if (os.path.isfile(file)):
169 slice_cred = Credential(filename=file)
172 # bootstrap slice credential from user credential
173 user_cred = get_user_cred()
174 slice_cred = registry.get_credential(user_cred, "slice", name)
176 slice_cred.save_to_file(file, save_parents=True)
178 print "Writing slice credential to", file
181 print "Failed to get slice credential"
184 def get_rspec_file(rspec):
185 if (os.path.isabs(rspec)):
188 file = os.path.join(sfi_dir, rspec)
189 if (os.path.isfile(file)):
192 print "No such rspec file", rspec
195 def get_record_file(record):
196 if (os.path.isabs(record)):
199 file = os.path.join(sfi_dir, record)
200 if (os.path.isfile(file)):
203 print "No such registry record file", record
206 def load_publickey_string(fn):
208 key_string = f.read()
210 # if the filename is a private key file, then extract the public key
211 if "PRIVATE KEY" in key_string:
212 outfn = tempfile.mktemp()
213 cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
216 key_string = f.read()
223 # Generate sub-command parser
225 def create_cmd_parser(command, additional_cmdargs = None):
226 cmdargs = {"list": "name",
229 "creategid": "hrn publickey_fn",
230 "add": "name record",
231 "update": "name record",
235 "create": "name rspec",
242 if additional_cmdargs:
243 cmdargs.update(additional_cmdargs)
245 if command not in cmdargs:
246 print "Invalid command\n"
248 for key in cmdargs.keys():
253 parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
254 % (command, cmdargs[command]))
255 if command in ("nodes", "resources"):
256 parser.add_option("-f", "--format", dest="format",type="choice",
257 help="display format (dns|ip|hrn|rspec)",default="rspec",
258 choices=("dns","ip","hrn","rspec"))
259 if command in ("list", "show", "remove"):
260 parser.add_option("-t", "--type", dest="type",type="choice",
261 help="type filter (user|slice|sa|ma|node|aggregate)",
262 choices=("user","slice","sa","ma","node","aggregate", "all"),
264 if command in ("show", "list", "nodes", "resources", "creategid"):
265 parser.add_option("-o", "--output", dest="file",
266 help="output XML to file", metavar="FILE", default=None)
270 # Generate command line parser
271 parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
272 description="Commands: list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
273 parser.add_option("-r", "--registry", dest="registry",
274 help="root registry", metavar="URL", default=None)
275 parser.add_option("-s", "--slicemgr", dest="sm",
276 help="slice manager", metavar="URL", default=None)
277 parser.add_option("-d", "--dir", dest="dir",
278 help="working directory", metavar="PATH", default = sfi_dir)
279 parser.add_option("-u", "--user", dest="user",
280 help="user name", metavar="HRN", default=None)
281 parser.add_option("-a", "--auth", dest="auth",
282 help="authority name", metavar="HRN", default=None)
283 parser.add_option("-v", "--verbose",
284 action="store_true", dest="verbose", default=False,
286 parser.disable_interspersed_args()
290 def dispatch(command, cmd_opts, cmd_args):
291 globals()[command](cmd_opts, cmd_args)
294 # Main: parse arguments and dispatch to command
299 parser = create_parser()
300 (options, args) = parser.parse_args()
303 print "No command given. Use -h for help."
307 (cmd_opts, cmd_args) = create_cmd_parser(command).parse_args(args[1:])
308 verbose = options.verbose
310 print options.registry, options.sm, options.dir, options.verbose,\
311 options.user, options.auth
313 if command in ("nodes", "resources"):
314 print cmd_opts.format
315 elif command in ("list","show","remove"):
322 dispatch(command, cmd_opts, cmd_args)
324 print "Command not found:", command
330 # Following functions implement the commands
332 # Registry-related commands
335 # list entires in named authority registry
336 def list(opts, args):
338 user_cred = get_user_cred()
339 list = registry.list(user_cred, args[0])
340 list = filter_records(opts.type, list)
341 display_records(list)
343 save_records_to_file(opts.file, list)
346 # show named registry record
347 def show(opts, args):
349 user_cred = get_user_cred()
350 records = registry.resolve(user_cred, args[0])
351 records = filter_records(opts.type, records)
353 print "No record of type", opts.type
354 display_records(records)
356 save_records_to_file(opts.file, records)
359 # removed named registry record
360 # - have to first retrieve the record to be removed
361 def remove(opts, args):
363 auth_cred = get_auth_cred()
364 return registry.remove(auth_cred, opts.type, args[0])
366 def creategid(opts, args):
368 auth_cred = get_auth_cred()
370 pkey_string = load_publickey_string(args[1])
371 gid = registry.create_gid(auth_cred, hrn, create_uuid(), pkey_string)
372 if (opts.file is not None):
373 gid.save_to_file(opts.file, save_parents=True)
375 print "I created your gid, but you did not ask me to save it"
377 # add named registry record
380 auth_cred = get_auth_cred()
381 rec_file = get_record_file(args[0])
382 record = load_record_from_file(rec_file)
383 return registry.register(auth_cred, record)
385 # update named registry entry
386 def update(opts, args):
388 user_cred = get_user_cred()
389 rec_file = get_record_file(args[0])
390 record = load_record_from_file(rec_file)
392 if record.get_type() == "user":
394 elif record.get_type() in ["sa", "ma", "slice", "node"]:
395 cred = get_auth_cred()
397 raise "unknown record type" + record.get_type()
399 return registry.update(cred, record)
402 # Slice-related commands
405 # list available nodes
406 def nodes(opts, args):
408 user_cred = get_user_cred()
413 result = slicemgr.list_nodes(user_cred, context)
414 display_rspec(opts.format, result)
415 if (opts.file is not None):
416 save_rspec_to_file(opts.file, result)
419 # list instantiated slices
420 def slices(opts, args):
422 user_cred = get_user_cred()
423 result = slicemgr.list_slices(user_cred)
424 display_rspec(opts.format, results)
427 # show rspec for named slice
428 def resources(opts, args):
430 slice_cred = get_slice_cred(args[0])
431 result = slicemgr.get_slice_resources(slice_cred, args[0])
432 display_rspec(opts.format, result)
433 if (opts.file is not None):
434 save_rspec_to_file(opts.file, result)
437 # created named slice with given rspec
438 def create(opts, args):
440 slice_cred = get_slice_cred(args[0])
441 rspec_file = get_rspec_file(args[1])
442 with open(rspec_file) as f:
444 return slicemgr.create_slice(slice_cred, rspec)
447 def delete(opts, args):
449 slice_cred = get_slice_cred(args[0])
450 return slicemgr.delete_slice(slice_cred)
453 def start(opts, args):
455 slice_cred = get_slice_cred(args[0])
456 return slicemgr.start_slice(slice_cred)
459 def stop(opts, args):
461 slice_cred = get_slice_cred(args[0])
462 return slicemgr.stop_slice(slice_cred)
465 def reset(opts, args):
467 slice_cred = get_slice_cred(args[0])
468 return slicemgr.reset_slice(slice_cred)
472 # Display, Save, and Filter RSpecs and Records
473 # - to be replace by EMF-generated routines
477 def display_rspec(format, rspec):
478 print "display rspec"
481 def save_rspec_to_file(file, rspec):
485 def display_records(recordList):
486 for record in recordList:
487 display_record(record)
489 def display_record(record):
493 def filter_records(type, records):
494 filtered_records = []
495 for record in records:
496 if (record.get_type() == type) or (type == "all"):
497 filtered_records.append(record)
498 return filtered_records
500 def save_records_to_file(filename, recordList):
502 for record in recordList:
504 save_record_to_file(filename + "." + str(index), record)
506 save_record_to_file(filename, record)
509 def save_record_to_file(filename, record):
510 print "saving record", record.name, "to file", filename
511 str = record.save_to_string()
512 file(filename, "w").write(str)
515 def load_record_from_file(filename):
516 str = file(filename, "r").read()
517 record = GeniRecord(string=str)
520 if __name__=="__main__":