2 from __future__ import with_statement
4 # sfi -- slice-based facility interface
8 from optparse import OptionParser
9 from util.cert import Keypair, Certificate
10 from util.credential import Credential
11 from util.geniclient import GeniClient
13 sfi_dir = os.path.expanduser("~/.sfi/")
21 # Establish Connection to SliceMgr and Registry Servers
23 def set_servers(options):
30 if (options.sm is not None):
32 elif ("SFI_SM" in os.environ):
33 sm_url = os.environ["SFI_SM"]
35 print "No Known Slice Manager"
39 if (options.registry is not None):
40 reg_url = options.registry
41 elif ("SFI_REGISTRY" in os.environ):
42 reg_url = os.environ["SFI_REGISTRY"]
44 print "No Known Registry Server"
48 print "Contacting Slice Manager at:", sm_url
49 print "Contacting Registry at:", reg_url
52 if (options.user is not None):
54 elif ("SFI_USER" in os.environ):
55 user = os.environ["SFI_USER"]
57 print "No Known User Name"
61 if (options.auth is not None):
62 authority = options.auth
63 elif ("SFI_AUTH" in os.environ):
64 authority = os.environ["SFI_AUTH"]
68 # Get key and certificate
69 key_file = get_key_file()
70 cert_file = get_cert_file(key_file)
72 # Establish connection to server(s)
73 slicemgr = GeniClient(sm_url, key_file, cert_file)
74 registry = GeniClient(reg_url, key_file, cert_file)
78 # Get various credential and spec files
80 # Establishes limiting conventions
81 # - conflates MAs and SAs
82 # - assumes last token in slice name is unique
84 # Bootstraps credentials
85 # - bootstrap user credential from self-signed certificate
86 # - bootstrap authority credential from user credential
87 # - bootstrap slice credential from user credential
91 parts = name.split(".")
95 file = os.path.join(sfi_dir, get_leaf(user) + ".pkey")
96 if (os.path.isfile(file)):
99 print "Key file", file, "does not exist"
103 def get_cert_file(key_file):
106 file = os.path.join(sfi_dir, get_leaf(user) + ".cert")
107 if (os.path.isfile(file)):
110 k = Keypair(filename = key_file)
111 cert = Certificate(subject=user)
113 cert.set_issuer(k, user)
116 print "Writing self-signed certificate to", file
117 cert.save_to_file(file)
123 file = os.path.join(sfi_dir, get_leaf(user) + ".cred")
124 if (os.path.isfile(file)):
125 user_cred = Credential(filename=file)
128 # bootstrap user credential
129 user_cred = registry.get_credential(None, "user", user)
131 user_cred.save_to_file(file, save_parents=True)
133 print "Writing user credential to", file
136 print "Failed to get user credential"
142 file = os.path.join(sfi_dir, "authority.cred")
143 if (os.path.isfile(file)):
144 auth_cred = Credential(filename=file)
147 # bootstrap authority credential from user credential
148 user_cred = get_user_cred()
149 auth_cred = registry.get_credential(user_cred, "sa", authority)
151 auth_cred.save_to_file(file, save_parents=True)
153 print "Writing authority credential to", file
156 print "Failed to get authority credential"
159 def get_slice_cred(name):
160 file = os.path.join(sfi_dir, "slice_" + get_leaf(name) + ".cred")
161 if (os.path.isfile(file)):
162 slice_cred = Credential(filename=file)
165 # bootstrap slice credential from user credential
166 user_cred = get_user_cred()
167 slice_cred = registry.get_credential(user_cred, "slice", name)
169 slice_cred.save_to_file(file, save_parents=True)
171 print "Writing slice credential to", file
174 print "Failed to get slice credential"
177 def get_rspec_file(rspec):
178 if (os.path.isabs(rspec)):
181 file = os.path.join(sfi_dir, rspec)
182 if (os.path.isfile(file)):
185 print "No such rspec file"
188 def get_record_file(record):
189 if (os.path.isabs(record)):
192 file = os.path.join(sfi_dir, record)
193 if (os.path.isfile(file)):
196 print "No such registry record file"
201 # Generate sub-command parser
203 def create_cmd_parser(command, additional_cmdargs = None):
204 cmdargs = {"list": "name",
207 "add": "name record",
208 "update": "name record",
212 "create": "name rspec",
219 if additional_cmdargs:
220 cmdargs.update(additional_cmdargs)
222 if command not in cmdargs:
223 print "Invalid command\n"
225 for key in cmdargs.keys():
230 parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
231 % (command, cmdargs[command]))
232 if command in ("nodes", "resources"):
233 parser.add_option("-f", "--format", dest="format",type="choice",
234 help="display format (dns|ip|hrn|rspec)",default="rspec",
235 choices=("dns","ip","hrn","rspec"))
236 if command in ("list", "show", "remove"):
237 parser.add_option("-t", "--type", dest="type",type="choice",
238 help="type filter (user|slice|sa|ma|node|aggregate)",
239 choices=("user","slice","sa","ma","node","aggregate", "all"),
241 if command in ("show", "list", "nodes", "resources"):
242 parser.add_option("-o", "--output", dest="file",
243 help="output XML to file", metavar="FILE", default=None)
247 # Generate command line parser
248 parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
249 description="Commands: list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
250 parser.add_option("-r", "--registry", dest="registry",
251 help="root registry", metavar="URL", default=None)
252 parser.add_option("-s", "--slicemgr", dest="sm",
253 help="slice manager", metavar="URL", default=None)
254 parser.add_option("-d", "--dir", dest="dir",
255 help="working directory", metavar="PATH", default = sfi_dir)
256 parser.add_option("-u", "--user", dest="user",
257 help="user name", metavar="HRN", default=None)
258 parser.add_option("-a", "--auth", dest="auth",
259 help="authority name", metavar="HRN", default=None)
260 parser.add_option("-v", "--verbose",
261 action="store_true", dest="verbose", default=False,
263 parser.disable_interspersed_args()
267 def dispatch(command, cmd_opts, cmd_args):
268 globals()[command](cmd_opts, cmd_args)
271 # Main: parse arguments and dispatch to command
276 parser = create_parser()
277 (options, args) = parser.parse_args()
280 print "No command given. Use -h for help."
284 (cmd_opts, cmd_args) = create_cmd_parser(command).parse_args(args[1:])
285 verbose = options.verbose
287 print options.registry, options.sm, options.dir, options.verbose,\
288 options.user, options.auth
290 if command in ("nodes", "resources"):
291 print cmd_opts.format
292 elif command in ("list","show","remove"):
299 dispatch(command, cmd_opts, cmd_args)
301 print "Command not found:", command
307 # Following functions implement the commands
309 # Registry-related commands
312 # list entires in named authority registry
313 def list(opts, args):
315 user_cred = get_user_cred()
316 list = registry.list(user_cred, args[0])
317 list = filter_records(opts.type, list)
318 display_records(list)
320 save_records_to_file(opts.file, list)
323 # show named registry record
324 def show(opts, args):
326 user_cred = get_user_cred()
327 records = registry.resolve(user_cred, args[0])
328 records = filter_records(opts.type, records)
330 print "No record of type", opts.type
331 display_records(records)
333 save_records_to_file(opts.file, records)
336 # removed named registry record
337 # - have to first retrieve the record to be removed
338 def remove(opts, args):
340 auth_cred = get_auth_cred()
341 return registry.remove(auth_cred, opts.type, args[0])
343 # add named registry record
346 auth_cred = get_auth_cred()
347 rec_file = get_record_file(args[1])
348 with open(rec_file) as f:
350 return registry.register(auth_cred, record)
352 # update named registry entry
353 def update(opts, args):
355 user_cred = get_user_cred()
356 rec_file = get_record_file(args[1])
357 with open(rec_file) as f:
359 return registry.update(user_cred, record)
362 # Slice-related commands
365 # list available nodes
366 def nodes(opts, args):
368 user_cred = get_user_cred()
373 result = slicemgr.list_nodes(user_cred, context)
374 display_rspec(opts.format, result)
375 if (opts.file is not None):
376 save_rspec_to_file(opts.file, result)
379 # list instantiated slices
380 def slices(opts, args):
382 user_cred = get_user_cred()
383 result = slicemgr.list_slices(user_cred)
384 display_rspec(opts.format, results)
387 # show rspec for named slice
388 def resources(opts, args):
390 slice_cred = get_slice_cred(args[0])
391 result = slicemgr.get_slice_resources(slice_cred, args[0])
392 display_rspec(opts.format, result)
393 if (opts.file is not None):
394 save_rspec_to_file(opts.file, result)
397 # created named slice with given rspec
398 def create(opts, args):
400 slice_cred = get_slice_cred(args[0])
401 rspec_file = get_rspec_file(args[1])
402 with open(rspec_file) as f:
404 return slicemgr.create_slice(slice_cred, rspec)
407 def delete(opts, args):
409 slice_cred = get_slice_cred(args[0])
410 return slicemgr.delete_slice(slice_cred)
413 def start(opts, args):
415 slice_cred = get_slice_cred(args[0])
416 return slicemgr.start_slice(slice_cred)
419 def stop(opts, args):
421 slice_cred = get_slice_cred(args[0])
422 return slicemgr.stop_slice(slice_cred)
425 def reset(opts, args):
427 slice_cred = get_slice_cred(args[0])
428 return slicemgr.reset_slice(slice_cred)
432 # Display, Save, and Filter RSpecs and Records
433 # - to be replace by EMF-generated routines
437 def display_rspec(format, rspec):
438 print "display rspec"
441 def save_rspec_to_file(file, rspec):
445 def display_records(recordList):
446 for record in recordList:
447 display_record(record)
449 def display_record(record):
453 def filter_records(type, records):
454 filtered_records = []
455 for record in records:
456 if (record.get_type() == type) or (type == "all"):
457 filtered_records.append(record)
458 return filtered_records
460 def save_records_to_file(filename, recordList):
462 for record in recordList:
464 save_record_to_file(filename + "." + str(index), record)
466 save_record_to_file(filename, record)
469 def save_record_to_file(filename, record):
470 print "saving record", record.name, "to file", filename
471 str = record.save_to_string()
472 file(filename, "w").write(str)
475 if __name__=="__main__":