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 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 sfa.senslab.OARrestapi import *
26 from sfa.senslab.SenslabImportUsers import *
29 from collections import defaultdict
31 class defaultdict(dict):
32 def __init__(self, default_factory=None, *a, **kw):
33 if (default_factory is not None and
34 not hasattr(default_factory, '__call__')):
35 raise TypeError('first argument must be callable')
36 dict.__init__(self, *a, **kw)
37 self.default_factory = default_factory
38 def __getitem__(self, key):
40 return dict.__getitem__(self, key)
42 return self.__missing__(key)
43 def __missing__(self, key):
44 if self.default_factory is None:
46 self[key] = value = self.default_factory()
49 if self.default_factory is None:
52 args = self.default_factory,
53 return type(self), args, None, None, self.items()
55 return self.__copy__()
57 return type(self)(self.default_factory, self)
58 def __deepcopy__(self, memo):
60 return type(self)(self.default_factory,
61 copy.deepcopy(self.items()))
63 return 'defaultdict(%s, %s)' % (self.default_factory,
65 ## end of http://code.activestate.com/recipes/523034/ }}}
67 def list_to_dict(recs, key):
69 convert a list of dictionaries into a dictionary keyed on the
70 specified dictionary key
72 # print>>sys.stderr, " \r\n \t\t 1list_to_dict : rec %s \r\n \t\t list_to_dict key %s" %(recs,key)
73 keys = [rec[key] for rec in recs]
74 print>>sys.stderr, " \r\n \t\t list_to_dict : rec %s \r\n \t\t list_to_dict keys %s" %(recs,keys)
75 return dict(zip(keys, recs))
77 class SfaAPI(BaseAPI):
79 # flat list of method names
81 methods = sfa.methods.all
83 def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8",
84 methods='sfa.methods', peer_cert = None, interface = None,
85 key_file = None, cert_file = None, cache = None):
86 BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, \
87 peer_cert=peer_cert, interface=interface, key_file=key_file, \
88 cert_file=cert_file, cache=cache)
90 self.encoding = encoding
91 from sfa.util.table import SfaTable
92 self.SfaTable = SfaTable
93 # Better just be documenting the API
96 print >>sys.stderr, "\r\n_____________ SFA SENSLAB API \r\n"
98 self.config = Config(config)
99 self.auth = Auth(peer_cert)
100 self.interface = interface
101 self.key_file = key_file
102 self.key = Keypair(filename=self.key_file)
103 self.cert_file = cert_file
104 self.cert = Certificate(filename=self.cert_file)
105 self.credential = None
106 # Initialize the PLC shell only if SFA wraps a myPLC
107 rspec_type = self.config.get_aggregate_type()
109 self.users = SenslabImportUsers()
110 self.hrn = self.config.SFA_INTERFACE_HRN
111 self.time_format = "%Y-%m-%d %H:%M:%S"
112 #self.logger=sfa_logger()
113 print >>sys.stderr, "\r\n \t\t___________PLC/API.PY __init__ STOP ",self.interface #dir(self)
116 #def getPLCShell(self):
117 #self.plauth = {'Username': self.config.SFA_PLC_USER,
118 #'AuthMethod': 'password',
119 #'AuthString': self.config.SFA_PLC_PASSWORD}
121 #print >>sys.stderr, "\r\n \t\t___________PLC/API.PY getPLCShell "
122 #sys.path.append(os.path.dirname(os.path.realpath("/usr/bin/plcsh")))
123 #self.plshell_type = 'direct'
125 #shell = PLC.Shell.Shell(globals = globals())
126 #print >>sys.stderr, "\r\n \t\t____tryshell %s \r\n type %s \r\n %s"%(shell, type(shell), dir(shell))
129 #self.plshell_type = 'xmlrpc'
130 #print >>sys.stderr, "\r\n \t\t___________PLC/API.PY getPLCShell xmlrpc"
131 #url = self.config.SFA_PLC_URL
132 #shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
136 def getCredential(self):
138 Return a valid credential for this interface.
141 path = self.config.SFA_DATA_DIR
142 filename = ".".join([self.interface, self.hrn, type, "cred"])
143 cred_filename = path + os.sep + filename
144 print>>sys.stderr, "|\r\n \r\n API.pPY getCredential cred_filename %s" %(cred_filename)
146 if os.path.isfile(cred_filename):
147 cred = Credential(filename = cred_filename)
148 # make sure cred isnt expired
149 if not cred.get_expiration or \
150 datetime.datetime.today() < cred.get_expiration():
151 return cred.save_to_string(save_parents=True)
153 # get a new credential
154 if self.interface in ['registry']:
155 cred = self.__getCredentialRaw()
157 cred = self.__getCredential()
158 cred.save_to_file(cred_filename, save_parents=True)
160 return cred.save_to_string(save_parents=True)
163 def getDelegatedCredential(self, creds):
165 Attempt to find a credential delegated to us in
166 the specified list of creds.
168 if creds and not isinstance(creds, list):
170 delegated_creds = filter_creds_by_caller(creds, [self.hrn, self.hrn + '.slicemanager'])
171 if not delegated_creds:
173 return delegated_creds[0]
175 def __getCredential(self):
177 Get our credential from a remote registry
179 from sfa.server.registry import Registries
180 registries = Registries(self)
181 registry = registries[self.hrn]
182 cert_string=self.cert.save_to_string(save_parents=True)
183 # get self credential
184 self_cred = registry.GetSelfCredential(cert_string, self.hrn, 'authority')
186 cred = registry.GetCredential(self_cred, self.hrn, 'authority')
187 return Credential(string=cred)
189 def __getCredentialRaw(self):
191 Get our current credential directly from the local registry.
195 auth_hrn = self.auth.get_authority(hrn)
197 # is this a root or sub authority
198 if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
200 auth_info = self.auth.get_auth_info(auth_hrn)
201 table = self.SfaTable()
202 records = table.findObjects(hrn)
206 type = record['type']
207 object_gid = record.get_gid_object()
208 new_cred = Credential(subject = object_gid.get_subject())
209 new_cred.set_gid_caller(object_gid)
210 new_cred.set_gid_object(object_gid)
211 new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
213 r1 = determine_rights(type, hrn)
214 new_cred.set_privileges(r1)
221 def loadCredential (self):
223 Attempt to load credential from file if it exists. If it doesnt get
224 credential from registry.
227 # see if this file exists
228 # XX This is really the aggregate's credential. Using this is easier than getting
229 # the registry's credential from iteslf (ssl errors).
230 ma_cred_filename = self.config.SFA_DATA_DIR + os.sep + self.interface + self.hrn + ".ma.cred"
232 self.credential = Credential(filename = ma_cred_filename)
234 self.credential = self.getCredentialFromRegistry()
237 # Convert SFA fields to PLC fields for use when registering up updating
238 # registry record in the PLC database
240 # @param type type of record (user, slice, ...)
241 # @param hrn human readable name
242 # @param sfa_fields dictionary of SFA fields
243 # @param pl_fields dictionary of PLC fields (output)
245 def sfa_fields_to_pl_fields(self, type, hrn, record):
247 def convert_ints(tmpdict, int_fields):
248 for field in int_fields:
250 tmpdict[field] = int(tmpdict[field])
253 #for field in record:
254 # pl_record[field] = record[field]
257 if not "instantiation" in pl_record:
258 pl_record["instantiation"] = "plc-instantiated"
259 pl_record["name"] = hrn_to_pl_slicename(hrn)
261 pl_record["url"] = record["url"]
262 if "description" in record:
263 pl_record["description"] = record["description"]
264 if "expires" in record:
265 pl_record["expires"] = int(record["expires"])
268 if not "hostname" in pl_record:
269 if not "hostname" in record:
270 raise MissingSfaInfo("hostname")
271 pl_record["hostname"] = record["hostname"]
272 if not "model" in pl_record:
273 pl_record["model"] = "geni"
275 elif type == "authority":
276 pl_record["login_base"] = hrn_to_pl_login_base(hrn)
278 if not "name" in pl_record:
279 pl_record["name"] = hrn
281 if not "abbreviated_name" in pl_record:
282 pl_record["abbreviated_name"] = hrn
284 if not "enabled" in pl_record:
285 pl_record["enabled"] = True
287 if not "is_public" in pl_record:
288 pl_record["is_public"] = True
292 def fill_record_pl_info(self, records):
294 Fill in the planetlab specific fields of a SFA record. This
295 involves calling the appropriate PLC method to retrieve the
296 database record for the object.
298 PLC data is filled into the pl_info field of the record.
300 @param record: record to fill in field (in/out param)
303 print>>sys.stderr, "\r\n \r\rn \t\t >>>>>>>>>>fill_record_pl_info records %s : "%(records)
304 node_ids, site_ids, slice_ids = [], [], []
305 person_ids, key_ids = [], []
306 type_map = {'node': node_ids, 'authority': site_ids,
307 'slice': slice_ids, 'user': person_ids}
309 for record in records:
310 for type in type_map:
311 #print>>sys.stderr, "\r\n \t\t \t fill_record_pl_info : type %s. record['pointer'] %s "%(type,record['pointer'])
312 if type == record['type']:
313 type_map[type].append(record['pointer'])
314 print>>sys.stderr, "\r\n \t\t \t fill_record_pl_info : records %s... \r\n \t\t \t fill_record_pl_info : type_map %s"%(records,type_map)
316 nodes, sites, slices, persons, keys = {}, {}, {}, {}, {}
318 node_list = self.oar.GetNodes( node_ids)
319 #print>>sys.stderr, " \r\n \t\t\t BEFORE LIST_TO_DICT_NODES node_ids : %s" %(node_ids)
320 nodes = list_to_dict(node_list, 'node_id')
322 site_list = self.oar.GetSites( site_ids)
323 sites = list_to_dict(site_list, 'site_id')
324 #print>>sys.stderr, " \r\n \t\t\t site_ids %s sites : %s" %(site_ids,sites)
326 slice_list = self.users.GetSlices( slice_ids)
327 slices = list_to_dict(slice_list, 'slice_id')
329 #print>>sys.stderr, " \r\n \t\t \t fill_record_pl_info BEFORE GetPersons person_ids: %s" %(person_ids)
330 person_list = self.users.GetPersons( person_ids)
331 persons = list_to_dict(person_list, 'person_id')
332 print>>sys.stderr, "\r\n fill_record_pl_info persons %s \r\n \t\t person_ids %s " %(persons, person_ids)
333 for person in persons:
334 key_ids.extend(persons[person]['key_ids'])
335 print>>sys.stderr, "\r\n key_ids %s " %(key_ids)
337 pl_records = {'node': nodes, 'authority': sites,
338 'slice': slices, 'user': persons}
341 key_list = self.users.GetKeys( key_ids)
342 keys = list_to_dict(key_list, 'key_id')
343 # print>>sys.stderr, "\r\n fill_record_pl_info persons %s \r\n \t\t keys %s " %(keys)
345 for record in records:
346 # records with pointer==-1 do not have plc info.
347 # for example, the top level authority records which are
348 # authorities, but not PL "sites"
349 if record['pointer'] == -1:
352 for type in pl_records:
353 if record['type'] == type:
354 if record['pointer'] in pl_records[type]:
355 record.update(pl_records[type][record['pointer']])
358 if record['type'] == 'user':
359 if 'key_ids' not in record:
360 print>>sys.stderr, " NO_KEY_IDS fill_record_pl_info key_ids record: %s" %(record)
361 logger.info("user record has no 'key_ids' - need to import ?")
363 pubkeys = [keys[key_id]['key'] for key_id in record['key_ids'] if key_id in keys]
364 record['keys'] = pubkeys
366 print>>sys.stderr, "\r\n \r\rn \t\t <<<<<<<<<<<<<<<<<< fill_record_pl_info records %s : "%(records)
367 # fill in record hrns
368 records = self.fill_record_hrns(records)
372 def fill_record_hrns(self, records):
374 convert pl ids to hrns
376 print>>sys.stderr, "\r\n \r\rn \t\t \t >>>>>>>>>>>>>>>>>>>>>> fill_record_hrns records %s : "%(records)
378 slice_ids, person_ids, site_ids, node_ids = [], [], [], []
379 for record in records:
380 print>>sys.stderr, "\r\n \r\rn \t\t \t record %s : "%(record)
381 if 'site_id' in record:
382 site_ids.append(record['site_id'])
383 if 'site_ids' in records:
384 site_ids.extend(record['site_ids'])
385 if 'person_ids' in record:
386 person_ids.extend(record['person_ids'])
387 if 'slice_ids' in record:
388 slice_ids.extend(record['slice_ids'])
389 if 'node_ids' in record:
390 node_ids.extend(record['node_ids'])
393 slices, persons, sites, nodes = {}, {}, {}, {}
395 site_list = self.oar.GetSites( site_ids, ['site_id', 'login_base'])
396 sites = list_to_dict(site_list, 'site_id')
397 #print>>sys.stderr, " \r\n \r\n \t\t ____ site_list %s \r\n \t\t____ sites %s " % (site_list,sites)
399 person_list = self.users.GetPersons( person_ids, ['person_id', 'email'])
400 print>>sys.stderr, " \r\n \r\n \t\t____ person_lists %s " %(person_list)
401 persons = list_to_dict(person_list, 'person_id')
403 slice_list = self.users.GetSlices( slice_ids, ['slice_id', 'name'])
404 slices = list_to_dict(slice_list, 'slice_id')
406 node_list = self.oar.GetNodes( node_ids, ['node_id', 'hostname'])
407 nodes = list_to_dict(node_list, 'node_id')
409 # convert ids to hrns
410 for record in records:
412 # get all relevant data
413 type = record['type']
414 pointer = record['pointer']
420 #print>>sys.stderr, " \r\n \r\n \t\t fill_record_hrns : sites %s \r\n \t\t record %s " %(sites, record)
421 if 'site_id' in record:
422 site = sites[record['site_id']]
423 #print>>sys.stderr, " \r\n \r\n \t\t \t fill_record_hrns : sites %s \r\n \t\t\t site sites[record['site_id']] %s " %(sites,site)
424 login_base = site['login_base']
425 record['site'] = ".".join([auth_hrn, login_base])
426 if 'person_ids' in record:
427 emails = [persons[person_id]['email'] for person_id in record['person_ids'] \
428 if person_id in persons]
429 usernames = [email.split('@')[0] for email in emails]
430 person_hrns = [".".join([auth_hrn, login_base, username]) for username in usernames]
431 print>>sys.stderr, " \r\n \r\n \t\t ____ person_hrns : %s " %(person_hrns)
432 record['persons'] = person_hrns
433 if 'slice_ids' in record:
434 slicenames = [slices[slice_id]['name'] for slice_id in record['slice_ids'] \
435 if slice_id in slices]
436 slice_hrns = [slicename_to_hrn(auth_hrn, slicename) for slicename in slicenames]
437 record['slices'] = slice_hrns
438 if 'node_ids' in record:
439 hostnames = [nodes[node_id]['hostname'] for node_id in record['node_ids'] \
441 node_hrns = [hostname_to_hrn(auth_hrn, login_base, hostname) for hostname in hostnames]
442 record['nodes'] = node_hrns
443 if 'site_ids' in record:
444 login_bases = [sites[site_id]['login_base'] for site_id in record['site_ids'] \
446 site_hrns = [".".join([auth_hrn, lbase]) for lbase in login_bases]
447 record['sites'] = site_hrns
448 print>>sys.stderr, "\r\n \r\rn \t\t \t <<<<<<<<<<<<<<<<<<<<<<<< fill_record_hrns records %s : "%(records)
451 def fill_record_sfa_info(self, records):
453 def startswith(prefix, values):
454 return [value for value in values if value.startswith(prefix)]
456 SenslabUsers = SenslabImportUsers()
460 for record in records:
461 person_ids.extend(record.get("person_ids", []))
462 site_ids.extend(record.get("site_ids", []))
463 if 'site_id' in record:
464 site_ids.append(record['site_id'])
466 print>>sys.stderr, "\r\n \r\n _fill_record_sfa_info ___person_ids %s \r\n \t\t site_ids %s " %(person_ids, site_ids)
468 # get all pis from the sites we've encountered
469 # and store them in a dictionary keyed on site_id
472 pi_filter = {'|roles': ['pi'], '|site_ids': site_ids}
473 pi_list = SenslabUsers.GetPersons( pi_filter, ['person_id', 'site_ids'])
474 print>>sys.stderr, "\r\n \r\n _fill_record_sfa_info ___ GetPersons ['person_id', 'site_ids'] pi_ilist %s" %(pi_list)
477 # we will need the pi's hrns also
478 person_ids.append(pi['person_id'])
480 # we also need to keep track of the sites these pis
482 for site_id in pi['site_ids']:
483 if site_id in site_pis:
484 site_pis[site_id].append(pi)
486 site_pis[site_id] = [pi]
488 # get sfa records for all records associated with these records.
489 # we'll replace pl ids (person_ids) with hrns from the sfa records
492 # get the sfa records
493 table = self.SfaTable()
494 person_list, persons = [], {}
495 person_list = table.find({'type': 'user', 'pointer': person_ids})
496 # create a hrns keyed on the sfa record's pointer.
497 # Its possible for multiple records to have the same pointer so
498 # the dict's value will be a list of hrns.
499 persons = defaultdict(list)
500 for person in person_list:
501 persons[person['pointer']].append(person)
504 pl_person_list, pl_persons = [], {}
505 pl_person_list = SenslabUsers.GetPersons(person_ids, ['person_id', 'roles'])
506 pl_persons = list_to_dict(pl_person_list, 'person_id')
507 print>>sys.stderr, "\r\n \r\n _fill_record_sfa_info ___ _list %s \r\n \t\t SenslabUsers.GetPersons ['person_id', 'roles'] pl_persons %s \r\n records %s" %(pl_person_list, pl_persons,records)
510 for record in records:
511 # skip records with no pl info (top level authorities)
512 if record['pointer'] == -1:
515 type = record['type']
516 if (type == "slice"):
517 # all slice users are researchers
519 record['researcher'] = []
520 for person_id in record['person_ids']:
521 hrns = [person['hrn'] for person in persons[person_id]]
522 record['researcher'].extend(hrns)
524 # pis at the slice's site
525 pl_pis = site_pis[record['site_id']]
526 pi_ids = [pi['person_id'] for pi in pl_pis]
527 for person_id in pi_ids:
528 hrns = [person['hrn'] for person in persons[person_id]]
529 record['PI'].extend(hrns)
530 record['geni_urn'] = hrn_to_urn(record['hrn'], 'slice')
531 record['geni_creator'] = record['PI']
533 elif (type == "authority"):
535 record['operator'] = []
537 for pointer in record['person_ids']:
538 if pointer not in persons or pointer not in pl_persons:
539 # this means there is not sfa or pl record for this user
541 hrns = [person['hrn'] for person in persons[pointer]]
542 roles = pl_persons[pointer]['roles']
544 record['PI'].extend(hrns)
546 record['operator'].extend(hrns)
548 record['owner'].extend(hrns)
549 # xxx TODO: OrganizationName
550 elif (type == "node"):
551 sfa_info['dns'] = record.get("hostname", "")
552 # xxx TODO: URI, LatLong, IP, DNS
554 elif (type == "user"):
555 sfa_info['email'] = record.get("email", "")
556 sfa_info['geni_urn'] = hrn_to_urn(record['hrn'], 'user')
557 sfa_info['geni_certificate'] = record['gid']
558 # xxx TODO: PostalAddress, Phone
560 print>>sys.stderr, "\r\n \r\rn \t\t \t <<<<<<<<<<<<<<<<<<<<<<<< fill_record_sfa_info sfa_info %s \r\n record %s : "%(sfa_info,record)
561 record.update(sfa_info)
563 def fill_record_info(self, records):
565 Given a SFA record, fill in the PLC specific and SFA specific
566 fields in the record.
568 print >>sys.stderr, "\r\n \t\t fill_record_info %s"%(records)
569 if not isinstance(records, list):
571 print >>sys.stderr, "\r\n \t\t BEFORE fill_record_pl_info %s" %(records)
572 self.fill_record_pl_info(records)
573 print >>sys.stderr, "\r\n \t\t after fill_record_pl_info %s" %(records)
574 self.fill_record_sfa_info(records)
575 print >>sys.stderr, "\r\n \t\t after fill_record_sfa_info"
577 def update_membership_list(self, oldRecord, record, listName, addFunc, delFunc):
578 # get a list of the HRNs tht are members of the old and new records
580 oldList = oldRecord.get(listName, [])
583 newList = record.get(listName, [])
585 # if the lists are the same, then we don't have to update anything
586 if (oldList == newList):
589 # build a list of the new person ids, by looking up each person to get
592 table = self.SfaTable()
593 records = table.find({'type': 'user', 'hrn': newList})
595 newIdList.append(rec['pointer'])
597 # build a list of the old person ids from the person_ids field
599 oldIdList = oldRecord.get("person_ids", [])
600 containerId = oldRecord.get_pointer()
602 # if oldRecord==None, then we are doing a Register, instead of an
605 containerId = record.get_pointer()
607 # add people who are in the new list, but not the oldList
608 for personId in newIdList:
609 if not (personId in oldIdList):
610 addFunc(self.plauth, personId, containerId)
612 # remove people who are in the old list, but not the new list
613 for personId in oldIdList:
614 if not (personId in newIdList):
615 delFunc(self.plauth, personId, containerId)
617 def update_membership(self, oldRecord, record):
618 if record.type == "slice":
619 self.update_membership_list(oldRecord, record, 'researcher',
620 self.users.AddPersonToSlice,
621 self.users.DeletePersonFromSlice)
622 elif record.type == "authority":
628 class ComponentAPI(BaseAPI):
630 def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8", methods='sfa.methods',
631 peer_cert = None, interface = None, key_file = None, cert_file = None):
633 BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, peer_cert=peer_cert,
634 interface=interface, key_file=key_file, cert_file=cert_file)
635 self.encoding = encoding
637 # Better just be documenting the API
641 self.nodemanager = NodeManager(self.config)
643 def sliver_exists(self):
644 sliver_dict = self.nodemanager.GetXIDs()
645 if slicename in sliver_dict.keys():
650 def get_registry(self):
651 addr, port = self.config.SFA_REGISTRY_HOST, self.config.SFA_REGISTRY_PORT
652 url = "http://%(addr)s:%(port)s" % locals()
653 server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
656 def get_node_key(self):
657 # this call requires no authentication,
658 # so we can generate a random keypair here
660 (kfd, keyfile) = tempfile.mkstemp()
661 (cfd, certfile) = tempfile.mkstemp()
662 key = Keypair(create=True)
663 key.save_to_file(keyfile)
664 cert = Certificate(subject=subject)
665 cert.set_issuer(key=key, subject=subject)
668 cert.save_to_file(certfile)
669 registry = self.get_registry()
670 # the registry will scp the key onto the node
673 def getCredential(self):
675 Get our credential from a remote registry
677 path = self.config.SFA_DATA_DIR
678 config_dir = self.config.config_path
679 cred_filename = path + os.sep + 'node.cred'
681 credential = Credential(filename = cred_filename)
682 return credential.save_to_string(save_parents=True)
684 node_pkey_file = config_dir + os.sep + "node.key"
685 node_gid_file = config_dir + os.sep + "node.gid"
686 cert_filename = path + os.sep + 'server.cert'
687 if not os.path.exists(node_pkey_file) or \
688 not os.path.exists(node_gid_file):
692 gid = GID(filename=node_gid_file)
694 # get credential from registry
695 cert_str = Certificate(filename=cert_filename).save_to_string(save_parents=True)
696 registry = self.get_registry()
697 cred = registry.GetSelfCredential(cert_str, hrn, 'node')
698 Credential(string=cred).save_to_file(credfile, save_parents=True)
702 def clean_key_cred(self):
704 remove the existing keypair and cred and generate new ones
706 files = ["server.key", "server.cert", "node.cred"]
708 filepath = KEYDIR + os.sep + f
709 if os.path.isfile(filepath):
712 # install the new key pair
713 # GetCredential will take care of generating the new keypair