2 # SFA XML-RPC and SOAP interfaces
12 from sfa.util.faults import *
13 from sfa.util.api import *
14 from sfa.util.config import *
15 from sfa.util.sfalogging import sfa_logger
16 import sfa.util.xmlrpcprotocol as xmlrpcprotocol
17 from sfa.trust.auth import Auth
18 from sfa.trust.rights import Right, Rights, determine_rights
19 from sfa.trust.credential import Credential,Keypair
20 from sfa.trust.certificate import Certificate
21 from sfa.util.xrn import get_authority, hrn_to_urn
22 from sfa.util.plxrn import hostname_to_hrn, hrn_to_pl_slicename, hrn_to_pl_slicename, slicename_to_hrn
23 from sfa.util.nodemanager import NodeManager
25 from collections import defaultdict
27 class defaultdict(dict):
28 def __init__(self, default_factory=None, *a, **kw):
29 if (default_factory is not None and
30 not hasattr(default_factory, '__call__')):
31 raise TypeError('first argument must be callable')
32 dict.__init__(self, *a, **kw)
33 self.default_factory = default_factory
34 def __getitem__(self, key):
36 return dict.__getitem__(self, key)
38 return self.__missing__(key)
39 def __missing__(self, key):
40 if self.default_factory is None:
42 self[key] = value = self.default_factory()
45 if self.default_factory is None:
48 args = self.default_factory,
49 return type(self), args, None, None, self.items()
51 return self.__copy__()
53 return type(self)(self.default_factory, self)
54 def __deepcopy__(self, memo):
56 return type(self)(self.default_factory,
57 copy.deepcopy(self.items()))
59 return 'defaultdict(%s, %s)' % (self.default_factory,
61 ## end of http://code.activestate.com/recipes/523034/ }}}
63 def list_to_dict(recs, key):
65 convert a list of dictionaries into a dictionary keyed on the
66 specified dictionary key
68 keys = [rec[key] for rec in recs]
69 return dict(zip(keys, recs))
71 class SfaAPI(BaseAPI):
73 # flat list of method names
75 methods = sfa.methods.all
77 def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8",
78 methods='sfa.methods', peer_cert = None, interface = None,
79 key_file = None, cert_file = None, cache = None):
80 BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, \
81 peer_cert=peer_cert, interface=interface, key_file=key_file, \
82 cert_file=cert_file, cache=cache)
84 self.encoding = encoding
85 from sfa.util.table import SfaTable
86 self.SfaTable = SfaTable
87 # Better just be documenting the API
92 self.config = Config(config)
93 self.auth = Auth(peer_cert)
94 self.interface = interface
95 self.key_file = key_file
96 self.key = Keypair(filename=self.key_file)
97 self.cert_file = cert_file
98 self.cert = Certificate(filename=self.cert_file)
99 self.credential = None
100 # Initialize the PLC shell only if SFA wraps a myPLC
101 rspec_type = self.config.get_aggregate_type()
102 if (rspec_type == 'pl' or rspec_type == 'vini' or rspec_type == 'eucalyptus'):
103 self.plshell = self.getPLCShell()
104 self.plshell_version = "4.3"
106 self.hrn = self.config.SFA_INTERFACE_HRN
107 self.time_format = "%Y-%m-%d %H:%M:%S"
108 self.logger=sfa_logger()
110 def getPLCShell(self):
111 self.plauth = {'Username': self.config.SFA_PLC_USER,
112 'AuthMethod': 'password',
113 'AuthString': self.config.SFA_PLC_PASSWORD}
115 sys.path.append(os.path.dirname(os.path.realpath("/usr/bin/plcsh")))
116 self.plshell_type = 'direct'
118 shell = PLC.Shell.Shell(globals = globals())
120 self.plshell_type = 'xmlrpc'
121 url = self.config.SFA_PLC_URL
122 shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
126 def getCredential(self):
128 Return a valid credential for this interface.
131 path = self.config.SFA_DATA_DIR
132 filename = ".".join([self.interface, self.hrn, type, "cred"])
133 cred_filename = path + os.sep + filename
135 if os.path.isfile(cred_filename):
136 cred = Credential(filename = cred_filename)
137 # make sure cred isnt expired
138 if not cred.get_expiration or \
139 datetime.datetime.today() < cred.get_expiration():
140 return cred.save_to_string(save_parents=True)
142 # get a new credential
143 if self.interface in ['registry']:
144 cred = self.__getCredentialRaw()
146 cred = self.__getCredential()
147 cred.save_to_file(cred_filename, save_parents=True)
149 return cred.save_to_string(save_parents=True)
152 def getDelegatedCredential(self, creds):
154 Attempt to find a credential delegated to us in
155 the specified list of creds.
157 if creds and not isinstance(creds, list):
159 delegated_creds = filter_creds_by_caller(creds,self.hrn)
160 if not delegated_creds:
162 return delegated_creds[0]
164 def __getCredential(self):
166 Get our credential from a remote registry
168 from sfa.server.registry import Registries
169 registries = Registries(self)
170 registry = registries[self.hrn]
171 cert_string=self.cert.save_to_string(save_parents=True)
172 # get self credential
173 self_cred = registry.GetSelfCredential(cert_string, self.hrn, 'authority')
175 cred = registry.GetCredential(self_cred, self.hrn, 'authority')
176 return Credential(string=cred)
178 def __getCredentialRaw(self):
180 Get our current credential directly from the local registry.
184 auth_hrn = self.auth.get_authority(hrn)
186 # is this a root or sub authority
187 if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
189 auth_info = self.auth.get_auth_info(auth_hrn)
190 table = self.SfaTable()
191 records = table.findObjects(hrn)
195 type = record['type']
196 object_gid = record.get_gid_object()
197 new_cred = Credential(subject = object_gid.get_subject())
198 new_cred.set_gid_caller(object_gid)
199 new_cred.set_gid_object(object_gid)
200 new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
202 r1 = determine_rights(type, hrn)
203 new_cred.set_privileges(r1)
210 def loadCredential (self):
212 Attempt to load credential from file if it exists. If it doesnt get
213 credential from registry.
216 # see if this file exists
217 # XX This is really the aggregate's credential. Using this is easier than getting
218 # the registry's credential from iteslf (ssl errors).
219 ma_cred_filename = self.config.SFA_DATA_DIR + os.sep + self.interface + self.hrn + ".ma.cred"
221 self.credential = Credential(filename = ma_cred_filename)
223 self.credential = self.getCredentialFromRegistry()
226 # Convert SFA fields to PLC fields for use when registering up updating
227 # registry record in the PLC database
229 # @param type type of record (user, slice, ...)
230 # @param hrn human readable name
231 # @param sfa_fields dictionary of SFA fields
232 # @param pl_fields dictionary of PLC fields (output)
234 def sfa_fields_to_pl_fields(self, type, hrn, record):
236 def convert_ints(tmpdict, int_fields):
237 for field in int_fields:
239 tmpdict[field] = int(tmpdict[field])
242 #for field in record:
243 # pl_record[field] = record[field]
246 if not "instantiation" in pl_record:
247 pl_record["instantiation"] = "plc-instantiated"
248 pl_record["name"] = hrn_to_pl_slicename(hrn)
250 pl_record["url"] = record["url"]
251 if "description" in record:
252 pl_record["description"] = record["description"]
253 if "expires" in record:
254 pl_record["expires"] = int(record["expires"])
257 if not "hostname" in pl_record:
258 if not "hostname" in record:
259 raise MissingSfaInfo("hostname")
260 pl_record["hostname"] = record["hostname"]
261 if not "model" in pl_record:
262 pl_record["model"] = "geni"
264 elif type == "authority":
265 pl_record["login_base"] = hrn_to_pl_login_base(hrn)
267 if not "name" in pl_record:
268 pl_record["name"] = hrn
270 if not "abbreviated_name" in pl_record:
271 pl_record["abbreviated_name"] = hrn
273 if not "enabled" in pl_record:
274 pl_record["enabled"] = True
276 if not "is_public" in pl_record:
277 pl_record["is_public"] = True
281 def fill_record_pl_info(self, records):
283 Fill in the planetlab specific fields of a SFA record. This
284 involves calling the appropriate PLC method to retrieve the
285 database record for the object.
287 PLC data is filled into the pl_info field of the record.
289 @param record: record to fill in field (in/out param)
292 node_ids, site_ids, slice_ids = [], [], []
293 person_ids, key_ids = [], []
294 type_map = {'node': node_ids, 'authority': site_ids,
295 'slice': slice_ids, 'user': person_ids}
297 for record in records:
298 for type in type_map:
299 if type == record['type']:
300 type_map[type].append(record['pointer'])
303 nodes, sites, slices, persons, keys = {}, {}, {}, {}, {}
305 node_list = self.plshell.GetNodes(self.plauth, node_ids)
306 nodes = list_to_dict(node_list, 'node_id')
308 site_list = self.plshell.GetSites(self.plauth, site_ids)
309 sites = list_to_dict(site_list, 'site_id')
311 slice_list = self.plshell.GetSlices(self.plauth, slice_ids)
312 slices = list_to_dict(slice_list, 'slice_id')
314 person_list = self.plshell.GetPersons(self.plauth, person_ids)
315 persons = list_to_dict(person_list, 'person_id')
316 for person in persons:
317 key_ids.extend(persons[person]['key_ids'])
319 pl_records = {'node': nodes, 'authority': sites,
320 'slice': slices, 'user': persons}
323 key_list = self.plshell.GetKeys(self.plauth, key_ids)
324 keys = list_to_dict(key_list, 'key_id')
327 for record in records:
328 # records with pointer==-1 do not have plc info.
329 # for example, the top level authority records which are
330 # authorities, but not PL "sites"
331 if record['pointer'] == -1:
334 for type in pl_records:
335 if record['type'] == type:
336 if record['pointer'] in pl_records[type]:
337 record.update(pl_records[type][record['pointer']])
340 if record['type'] == 'user':
341 if 'key_ids' not in record:
342 self.logger.info("user record has no 'key_ids' - need to import from myplc ?")
344 pubkeys = [keys[key_id]['key'] for key_id in record['key_ids'] if key_id in keys]
345 record['keys'] = pubkeys
347 # fill in record hrns
348 records = self.fill_record_hrns(records)
352 def fill_record_hrns(self, records):
354 convert pl ids to hrns
358 slice_ids, person_ids, site_ids, node_ids = [], [], [], []
359 for record in records:
360 if 'site_id' in record:
361 site_ids.append(record['site_id'])
362 if 'site_ids' in records:
363 site_ids.extend(record['site_ids'])
364 if 'person_ids' in record:
365 person_ids.extend(record['person_ids'])
366 if 'slice_ids' in record:
367 slice_ids.extend(record['slice_ids'])
368 if 'node_ids' in record:
369 node_ids.extend(record['node_ids'])
372 slices, persons, sites, nodes = {}, {}, {}, {}
374 site_list = self.plshell.GetSites(self.plauth, site_ids, ['site_id', 'login_base'])
375 sites = list_to_dict(site_list, 'site_id')
377 person_list = self.plshell.GetPersons(self.plauth, person_ids, ['person_id', 'email'])
378 persons = list_to_dict(person_list, 'person_id')
380 slice_list = self.plshell.GetSlices(self.plauth, slice_ids, ['slice_id', 'name'])
381 slices = list_to_dict(slice_list, 'slice_id')
383 node_list = self.plshell.GetNodes(self.plauth, node_ids, ['node_id', 'hostname'])
384 nodes = list_to_dict(node_list, 'node_id')
386 # convert ids to hrns
387 for record in records:
389 # get all relevant data
390 type = record['type']
391 pointer = record['pointer']
397 if 'site_id' in record:
398 site = sites[record['site_id']]
399 login_base = site['login_base']
400 record['site'] = ".".join([auth_hrn, login_base])
401 if 'person_ids' in record:
402 emails = [persons[person_id]['email'] for person_id in record['person_ids'] \
403 if person_id in persons]
404 usernames = [email.split('@')[0] for email in emails]
405 person_hrns = [".".join([auth_hrn, login_base, username]) for username in usernames]
406 record['persons'] = person_hrns
407 if 'slice_ids' in record:
408 slicenames = [slices[slice_id]['name'] for slice_id in record['slice_ids'] \
409 if slice_id in slices]
410 slice_hrns = [slicename_to_hrn(auth_hrn, slicename) for slicename in slicenames]
411 record['slices'] = slice_hrns
412 if 'node_ids' in record:
413 hostnames = [nodes[node_id]['hostname'] for node_id in record['node_ids'] \
415 node_hrns = [hostname_to_hrn(auth_hrn, login_base, hostname) for hostname in hostnames]
416 record['nodes'] = node_hrns
417 if 'site_ids' in record:
418 login_bases = [sites[site_id]['login_base'] for site_id in record['site_ids'] \
420 site_hrns = [".".join([auth_hrn, lbase]) for lbase in login_bases]
421 record['sites'] = site_hrns
425 def fill_record_sfa_info(self, records):
427 def startswith(prefix, values):
428 return [value for value in values if value.startswith(prefix)]
433 for record in records:
434 person_ids.extend(record.get("person_ids", []))
435 site_ids.extend(record.get("site_ids", []))
436 if 'site_id' in record:
437 site_ids.append(record['site_id'])
439 # get all pis from the sites we've encountered
440 # and store them in a dictionary keyed on site_id
443 pi_filter = {'|roles': ['pi'], '|site_ids': site_ids}
444 pi_list = self.plshell.GetPersons(self.plauth, pi_filter, ['person_id', 'site_ids'])
446 # we will need the pi's hrns also
447 person_ids.append(pi['person_id'])
449 # we also need to keep track of the sites these pis
451 for site_id in pi['site_ids']:
452 if site_id in site_pis:
453 site_pis[site_id].append(pi)
455 site_pis[site_id] = [pi]
457 # get sfa records for all records associated with these records.
458 # we'll replace pl ids (person_ids) with hrns from the sfa records
461 # get the sfa records
462 table = self.SfaTable()
463 person_list, persons = [], {}
464 person_list = table.find({'type': 'user', 'pointer': person_ids})
465 # create a hrns keyed on the sfa record's pointer.
466 # Its possible for multiple records to have the same pointer so
467 # the dict's value will be a list of hrns.
468 persons = defaultdict(list)
469 for person in person_list:
470 persons[person['pointer']].append(person)
473 pl_person_list, pl_persons = [], {}
474 pl_person_list = self.plshell.GetPersons(self.plauth, person_ids, ['person_id', 'roles'])
475 pl_persons = list_to_dict(pl_person_list, 'person_id')
478 for record in records:
479 # skip records with no pl info (top level authorities)
480 if record['pointer'] == -1:
483 type = record['type']
484 if (type == "slice"):
485 # all slice users are researchers
487 record['researcher'] = []
488 for person_id in record['person_ids']:
489 hrns = [person['hrn'] for person in persons[person_id]]
490 record['researcher'].extend(hrns)
492 # pis at the slice's site
493 pl_pis = site_pis[record['site_id']]
494 pi_ids = [pi['person_id'] for pi in pl_pis]
495 for person_id in pi_ids:
496 hrns = [person['hrn'] for person in persons[person_id]]
497 record['PI'].extend(hrns)
498 record['geni_urn'] = hrn_to_urn(record['hrn'], 'slice')
499 record['geni_creator'] = record['PI']
501 elif (type == "authority"):
503 record['operator'] = []
505 for pointer in record['person_ids']:
506 if pointer not in persons or pointer not in pl_persons:
507 # this means there is not sfa or pl record for this user
509 hrns = [person['hrn'] for person in persons[pointer]]
510 roles = pl_persons[pointer]['roles']
512 record['PI'].extend(hrns)
514 record['operator'].extend(hrns)
516 record['owner'].extend(hrns)
517 # xxx TODO: OrganizationName
518 elif (type == "node"):
519 sfa_info['dns'] = record.get("hostname", "")
520 # xxx TODO: URI, LatLong, IP, DNS
522 elif (type == "user"):
523 sfa_info['email'] = record.get("email", "")
524 sfa_info['geni_urn'] = hrn_to_urn(record['hrn'], 'user')
525 sfa_info['geni_certificate'] = record['gid']
526 # xxx TODO: PostalAddress, Phone
527 record.update(sfa_info)
529 def fill_record_info(self, records):
531 Given a SFA record, fill in the PLC specific and SFA specific
532 fields in the record.
534 if not isinstance(records, list):
537 self.fill_record_pl_info(records)
538 self.fill_record_sfa_info(records)
540 def update_membership_list(self, oldRecord, record, listName, addFunc, delFunc):
541 # get a list of the HRNs tht are members of the old and new records
543 oldList = oldRecord.get(listName, [])
546 newList = record.get(listName, [])
548 # if the lists are the same, then we don't have to update anything
549 if (oldList == newList):
552 # build a list of the new person ids, by looking up each person to get
555 table = self.SfaTable()
556 records = table.find({'type': 'user', 'hrn': newList})
558 newIdList.append(rec['pointer'])
560 # build a list of the old person ids from the person_ids field
562 oldIdList = oldRecord.get("person_ids", [])
563 containerId = oldRecord.get_pointer()
565 # if oldRecord==None, then we are doing a Register, instead of an
568 containerId = record.get_pointer()
570 # add people who are in the new list, but not the oldList
571 for personId in newIdList:
572 if not (personId in oldIdList):
573 addFunc(self.plauth, personId, containerId)
575 # remove people who are in the old list, but not the new list
576 for personId in oldIdList:
577 if not (personId in newIdList):
578 delFunc(self.plauth, personId, containerId)
580 def update_membership(self, oldRecord, record):
581 if record.type == "slice":
582 self.update_membership_list(oldRecord, record, 'researcher',
583 self.plshell.AddPersonToSlice,
584 self.plshell.DeletePersonFromSlice)
585 elif record.type == "authority":
591 class ComponentAPI(BaseAPI):
593 def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8", methods='sfa.methods',
594 peer_cert = None, interface = None, key_file = None, cert_file = None):
596 BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, peer_cert=peer_cert,
597 interface=interface, key_file=key_file, cert_file=cert_file)
598 self.encoding = encoding
600 # Better just be documenting the API
604 self.nodemanager = NodeManager(self.config)
606 def sliver_exists(self):
607 sliver_dict = self.nodemanager.GetXIDs()
608 if slicename in sliver_dict.keys():
613 def get_registry(self):
614 addr, port = self.config.SFA_REGISTRY_HOST, self.config.SFA_REGISTRY_PORT
615 url = "http://%(addr)s:%(port)s" % locals()
616 server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
619 def get_node_key(self):
620 # this call requires no authentication,
621 # so we can generate a random keypair here
623 (kfd, keyfile) = tempfile.mkstemp()
624 (cfd, certfile) = tempfile.mkstemp()
625 key = Keypair(create=True)
626 key.save_to_file(keyfile)
627 cert = Certificate(subject=subject)
628 cert.set_issuer(key=key, subject=subject)
631 cert.save_to_file(certfile)
632 registry = self.get_registry()
633 # the registry will scp the key onto the node
636 def getCredential(self):
638 Get our credential from a remote registry
640 path = self.config.SFA_DATA_DIR
641 config_dir = self.config.config_path
642 cred_filename = path + os.sep + 'node.cred'
644 credential = Credential(filename = cred_filename)
645 return credential.save_to_string(save_parents=True)
647 node_pkey_file = config_dir + os.sep + "node.key"
648 node_gid_file = config_dir + os.sep + "node.gid"
649 cert_filename = path + os.sep + 'server.cert'
650 if not os.path.exists(node_pkey_file) or \
651 not os.path.exists(node_gid_file):
655 gid = GID(filename=node_gid_file)
657 # get credential from registry
658 cert_str = Certificate(filename=cert_filename).save_to_string(save_parents=True)
659 registry = self.get_registry()
660 cred = registry.GetSelfCredential(cert_str, hrn, 'node')
661 Credential(string=cred).save_to_file(credfile, save_parents=True)
665 def clean_key_cred(self):
667 remove the existing keypair and cred and generate new ones
669 files = ["server.key", "server.cert", "node.cred"]
671 filepath = KEYDIR + os.sep + f
672 if os.path.isfile(filepath):
675 # install the new key pair
676 # GetCredential will take care of generating the new keypair