--- /dev/null
+#
+# SFA XML-RPC and SOAP interfaces
+#
+
+import sys
+import os
+import traceback
+import string
+import datetime
+import xmlrpclib
+
+from sfa.util.faults import *
+from sfa.util.api import *
+from sfa.util.config import *
+from sfa.util.sfalogging import sfa_logger
+import sfa.util.xmlrpcprotocol as xmlrpcprotocol
+from sfa.trust.auth import Auth
+from sfa.trust.rights import Right, Rights, determine_rights
+from sfa.trust.credential import Credential,Keypair
+from sfa.trust.certificate import Certificate
+from sfa.util.xrn import get_authority, hrn_to_urn
+from sfa.util.plxrn import hostname_to_hrn, hrn_to_pl_slicename, hrn_to_pl_slicename, slicename_to_hrn
+from sfa.util.nodemanager import NodeManager
+
+from sfa.senslab.OARrestapi import *
+from sfa.senslab.SenslabImportUsers import *
+
+try:
+ from collections import defaultdict
+except:
+ class defaultdict(dict):
+ def __init__(self, default_factory=None, *a, **kw):
+ if (default_factory is not None and
+ not hasattr(default_factory, '__call__')):
+ raise TypeError('first argument must be callable')
+ dict.__init__(self, *a, **kw)
+ self.default_factory = default_factory
+ def __getitem__(self, key):
+ try:
+ return dict.__getitem__(self, key)
+ except KeyError:
+ return self.__missing__(key)
+ def __missing__(self, key):
+ if self.default_factory is None:
+ raise KeyError(key)
+ self[key] = value = self.default_factory()
+ return value
+ def __reduce__(self):
+ if self.default_factory is None:
+ args = tuple()
+ else:
+ args = self.default_factory,
+ return type(self), args, None, None, self.items()
+ def copy(self):
+ return self.__copy__()
+ def __copy__(self):
+ return type(self)(self.default_factory, self)
+ def __deepcopy__(self, memo):
+ import copy
+ return type(self)(self.default_factory,
+ copy.deepcopy(self.items()))
+ def __repr__(self):
+ return 'defaultdict(%s, %s)' % (self.default_factory,
+ dict.__repr__(self))
+## end of http://code.activestate.com/recipes/523034/ }}}
+
+def list_to_dict(recs, key):
+ """
+ convert a list of dictionaries into a dictionary keyed on the
+ specified dictionary key
+ """
+ # print>>sys.stderr, " \r\n \t\t 1list_to_dict : rec %s \r\n \t\t list_to_dict key %s" %(recs,key)
+ keys = [rec[key] for rec in recs]
+ print>>sys.stderr, " \r\n \t\t list_to_dict : rec %s \r\n \t\t list_to_dict keys %s" %(recs,keys)
+ return dict(zip(keys, recs))
+
+class SfaAPI(BaseAPI):
+
+ # flat list of method names
+ import sfa.methods
+ methods = sfa.methods.all
+
+ def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8",
+ methods='sfa.methods', peer_cert = None, interface = None,
+ key_file = None, cert_file = None, cache = None):
+ BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, \
+ peer_cert=peer_cert, interface=interface, key_file=key_file, \
+ cert_file=cert_file, cache=cache)
+
+ self.encoding = encoding
+ from sfa.util.table import SfaTable
+ self.SfaTable = SfaTable
+ # Better just be documenting the API
+ if config is None:
+ return
+ print >>sys.stderr, "\r\n_____________ SFA SENSLAB API \r\n"
+ # Load configuration
+ self.config = Config(config)
+ self.auth = Auth(peer_cert)
+ self.interface = interface
+ self.key_file = key_file
+ self.key = Keypair(filename=self.key_file)
+ self.cert_file = cert_file
+ self.cert = Certificate(filename=self.cert_file)
+ self.credential = None
+ # Initialize the PLC shell only if SFA wraps a myPLC
+ rspec_type = self.config.get_aggregate_type()
+ self.oar = OARapi()
+ self.users = SenslabImportUsers()
+ self.hrn = self.config.SFA_INTERFACE_HRN
+ self.time_format = "%Y-%m-%d %H:%M:%S"
+ self.logger=sfa_logger()
+ print >>sys.stderr, "\r\n \t\t___________PLC/API.PY __init__ STOP ",self.interface #dir(self)
+
+
+ #def getPLCShell(self):
+ #self.plauth = {'Username': self.config.SFA_PLC_USER,
+ #'AuthMethod': 'password',
+ #'AuthString': self.config.SFA_PLC_PASSWORD}
+ #try:
+ #print >>sys.stderr, "\r\n \t\t___________PLC/API.PY getPLCShell "
+ #sys.path.append(os.path.dirname(os.path.realpath("/usr/bin/plcsh")))
+ #self.plshell_type = 'direct'
+ #import PLC.Shell
+ #shell = PLC.Shell.Shell(globals = globals())
+ #print >>sys.stderr, "\r\n \t\t____tryshell %s \r\n type %s \r\n %s"%(shell, type(shell), dir(shell))
+
+ #except:
+ #self.plshell_type = 'xmlrpc'
+ #print >>sys.stderr, "\r\n \t\t___________PLC/API.PY getPLCShell xmlrpc"
+ #url = self.config.SFA_PLC_URL
+ #shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
+
+ #return shell
+
+ def getCredential(self):
+ """
+ Return a valid credential for this interface.
+ """
+ type = 'authority'
+ path = self.config.SFA_DATA_DIR
+ filename = ".".join([self.interface, self.hrn, type, "cred"])
+ cred_filename = path + os.sep + filename
+ cred = None
+ if os.path.isfile(cred_filename):
+ cred = Credential(filename = cred_filename)
+ # make sure cred isnt expired
+ if not cred.get_expiration or \
+ datetime.datetime.today() < cred.get_expiration():
+ return cred.save_to_string(save_parents=True)
+
+ # get a new credential
+ if self.interface in ['registry']:
+ cred = self.__getCredentialRaw()
+ else:
+ cred = self.__getCredential()
+ cred.save_to_file(cred_filename, save_parents=True)
+
+ return cred.save_to_string(save_parents=True)
+
+
+ def getDelegatedCredential(self, creds):
+ """
+ Attempt to find a credential delegated to us in
+ the specified list of creds.
+ """
+ if creds and not isinstance(creds, list):
+ creds = [creds]
+ delegated_creds = filter_creds_by_caller(creds,self.hrn)
+ if not delegated_creds:
+ return None
+ return delegated_creds[0]
+
+ def __getCredential(self):
+ """
+ Get our credential from a remote registry
+ """
+ from sfa.server.registry import Registries
+ registries = Registries(self)
+ registry = registries[self.hrn]
+ cert_string=self.cert.save_to_string(save_parents=True)
+ # get self credential
+ self_cred = registry.GetSelfCredential(cert_string, self.hrn, 'authority')
+ # get credential
+ cred = registry.GetCredential(self_cred, self.hrn, 'authority')
+ return Credential(string=cred)
+
+ def __getCredentialRaw(self):
+ """
+ Get our current credential directly from the local registry.
+ """
+
+ hrn = self.hrn
+ auth_hrn = self.auth.get_authority(hrn)
+
+ # is this a root or sub authority
+ if not auth_hrn or hrn == self.config.SFA_INTERFACE_HRN:
+ auth_hrn = hrn
+ auth_info = self.auth.get_auth_info(auth_hrn)
+ table = self.SfaTable()
+ records = table.findObjects(hrn)
+ if not records:
+ raise RecordNotFound
+ record = records[0]
+ type = record['type']
+ object_gid = record.get_gid_object()
+ new_cred = Credential(subject = object_gid.get_subject())
+ new_cred.set_gid_caller(object_gid)
+ new_cred.set_gid_object(object_gid)
+ new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
+
+ r1 = determine_rights(type, hrn)
+ new_cred.set_privileges(r1)
+ new_cred.encode()
+ new_cred.sign()
+
+ return new_cred
+
+
+ def loadCredential (self):
+ """
+ Attempt to load credential from file if it exists. If it doesnt get
+ credential from registry.
+ """
+
+ # see if this file exists
+ # XX This is really the aggregate's credential. Using this is easier than getting
+ # the registry's credential from iteslf (ssl errors).
+ ma_cred_filename = self.config.SFA_DATA_DIR + os.sep + self.interface + self.hrn + ".ma.cred"
+ try:
+ self.credential = Credential(filename = ma_cred_filename)
+ except IOError:
+ self.credential = self.getCredentialFromRegistry()
+
+ ##
+ # Convert SFA fields to PLC fields for use when registering up updating
+ # registry record in the PLC database
+ #
+ # @param type type of record (user, slice, ...)
+ # @param hrn human readable name
+ # @param sfa_fields dictionary of SFA fields
+ # @param pl_fields dictionary of PLC fields (output)
+
+ def sfa_fields_to_pl_fields(self, type, hrn, record):
+
+ def convert_ints(tmpdict, int_fields):
+ for field in int_fields:
+ if field in tmpdict:
+ tmpdict[field] = int(tmpdict[field])
+
+ pl_record = {}
+ #for field in record:
+ # pl_record[field] = record[field]
+
+ if type == "slice":
+ if not "instantiation" in pl_record:
+ pl_record["instantiation"] = "plc-instantiated"
+ pl_record["name"] = hrn_to_pl_slicename(hrn)
+ if "url" in record:
+ pl_record["url"] = record["url"]
+ if "description" in record:
+ pl_record["description"] = record["description"]
+ if "expires" in record:
+ pl_record["expires"] = int(record["expires"])
+
+ elif type == "node":
+ if not "hostname" in pl_record:
+ if not "hostname" in record:
+ raise MissingSfaInfo("hostname")
+ pl_record["hostname"] = record["hostname"]
+ if not "model" in pl_record:
+ pl_record["model"] = "geni"
+
+ elif type == "authority":
+ pl_record["login_base"] = hrn_to_pl_login_base(hrn)
+
+ if not "name" in pl_record:
+ pl_record["name"] = hrn
+
+ if not "abbreviated_name" in pl_record:
+ pl_record["abbreviated_name"] = hrn
+
+ if not "enabled" in pl_record:
+ pl_record["enabled"] = True
+
+ if not "is_public" in pl_record:
+ pl_record["is_public"] = True
+
+ return pl_record
+
+ def fill_record_pl_info(self, records):
+ """
+ Fill in the planetlab specific fields of a SFA record. This
+ involves calling the appropriate PLC method to retrieve the
+ database record for the object.
+
+ PLC data is filled into the pl_info field of the record.
+
+ @param record: record to fill in field (in/out param)
+ """
+ # get ids by type
+ print>>sys.stderr, "\r\n \t\t \t fill_record_pl_info : entering... \r\n"
+ node_ids, site_ids, slice_ids = [], [], []
+ person_ids, key_ids = [], []
+ type_map = {'node': node_ids, 'authority': site_ids,
+ 'slice': slice_ids, 'user': person_ids}
+
+ for record in records:
+ for type in type_map:
+ print>>sys.stderr, "\r\n \t\t \t fill_record_pl_info : type %s. record['pointer'] %s "%(type,record['pointer'])
+ if type == record['type']:
+ type_map[type].append(record['pointer'])
+ 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)
+ # get pl records
+ nodes, sites, slices, persons, keys = {}, {}, {}, {}, {}
+ if node_ids:
+ node_list = self.oar.GetNodes( node_ids)
+ print>>sys.stderr, " \r\n \t\t\t BEFORE LIST_TO_DICT_NODES node_ids : %s" %(node_ids)
+ nodes = list_to_dict(node_list, 'node_id')
+ if site_ids:
+ site_list = self.oar.GetSites( site_ids)
+ sites = list_to_dict(site_list, 'site_id')
+ if slice_ids:
+ slice_list = self.oar.GetSlices( slice_ids)
+ slices = list_to_dict(slice_list, 'slice_id')
+ if person_ids:
+ print>>sys.stderr, " \r\n \t\t \t fill_record_pl_info BEFORE GetPersons person_ids: %s" %(person_ids)
+ person_list = self.users.GetPersons( person_ids)
+ persons = list_to_dict(person_list, 'person_id')
+ print>>sys.stderr, "\r\n fill_record_pl_info persons %s \r\n \t\t person_ids %s " %(persons, person_ids)
+ for person in persons:
+ key_ids.extend(persons[person]['key_ids'])
+ print>>sys.stderr, "\r\n key_ids %s " %(key_ids)
+
+ pl_records = {'node': nodes, 'authority': sites,
+ 'slice': slices, 'user': persons}
+
+ if key_ids:
+ key_list = self.users.GetKeys( key_ids)
+ keys = list_to_dict(key_list, 'key_id')
+ # print>>sys.stderr, "\r\n fill_record_pl_info persons %s \r\n \t\t keys %s " %(keys)
+ # fill record info
+ for record in records:
+ # records with pointer==-1 do not have plc info.
+ # for example, the top level authority records which are
+ # authorities, but not PL "sites"
+ if record['pointer'] == -1:
+ continue
+
+ for type in pl_records:
+ if record['type'] == type:
+ if record['pointer'] in pl_records[type]:
+ record.update(pl_records[type][record['pointer']])
+ break
+ # fill in key info
+ if record['type'] == 'user':
+ if 'key_ids' not in record:
+ print>>sys.stderr, " NO_KEY_IDS fill_record_pl_info key_ids record: %s" %(record)
+ else:
+ pubkeys = [keys[key_id]['key'] for key_id in record['key_ids'] if key_id in keys]
+ record['keys'] = pubkeys
+
+ # fill in record hrns
+ records = self.fill_record_hrns(records)
+
+ return records
+
+ def fill_record_hrns(self, records):
+ """
+ convert pl ids to hrns
+ """
+
+ # get ids
+ slice_ids, person_ids, site_ids, node_ids = [], [], [], []
+ for record in records:
+ if 'site_id' in record:
+ site_ids.append(record['site_id'])
+ if 'site_ids' in records:
+ site_ids.extend(record['site_ids'])
+ if 'person_ids' in record:
+ person_ids.extend(record['person_ids'])
+ if 'slice_ids' in record:
+ slice_ids.extend(record['slice_ids'])
+ if 'node_ids' in record:
+ node_ids.extend(record['node_ids'])
+
+ # get pl records
+ slices, persons, sites, nodes = {}, {}, {}, {}
+ if site_ids:
+ site_list = self.oar.GetSites( site_ids, ['site_id', 'login_base'])
+ sites = list_to_dict(site_list, 'site_id')
+ print>>sys.stderr, " \r\n \r\n \t\t ____ site_list %s \r\n \t\t____ sites %s " % (site_list,sites)
+ if person_ids:
+ person_list = self.users.GetPersons( person_ids, ['person_id', 'email'])
+ persons = list_to_dict(person_list, 'person_id')
+ if slice_ids:
+ slice_list = self.oar.GetSlices( slice_ids, ['slice_id', 'name'])
+ slices = list_to_dict(slice_list, 'slice_id')
+ if node_ids:
+ node_list = self.oar.GetNodes( node_ids, ['node_id', 'hostname'])
+ nodes = list_to_dict(node_list, 'node_id')
+
+ # convert ids to hrns
+ for record in records:
+
+ # get all relevant data
+ type = record['type']
+ pointer = record['pointer']
+ auth_hrn = self.hrn
+ login_base = ''
+ if pointer == -1:
+ continue
+
+ print>>sys.stderr, " \r\n \r\n \t\t fill_record_hrns : sites %s \r\n \t\t record %s " %(sites, record)
+ if 'site_id' in record:
+ site = sites[record['site_id']]
+ 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)
+ login_base = site['login_base']
+ record['site'] = ".".join([auth_hrn, login_base])
+ if 'person_ids' in record:
+ emails = [persons[person_id]['email'] for person_id in record['person_ids'] \
+ if person_id in persons]
+ usernames = [email.split('@')[0] for email in emails]
+ person_hrns = [".".join([auth_hrn, login_base, username]) for username in usernames]
+ record['persons'] = person_hrns
+ if 'slice_ids' in record:
+ slicenames = [slices[slice_id]['name'] for slice_id in record['slice_ids'] \
+ if slice_id in slices]
+ slice_hrns = [slicename_to_hrn(auth_hrn, slicename) for slicename in slicenames]
+ record['slices'] = slice_hrns
+ if 'node_ids' in record:
+ hostnames = [nodes[node_id]['hostname'] for node_id in record['node_ids'] \
+ if node_id in nodes]
+ node_hrns = [hostname_to_hrn(auth_hrn, login_base, hostname) for hostname in hostnames]
+ record['nodes'] = node_hrns
+ if 'site_ids' in record:
+ login_bases = [sites[site_id]['login_base'] for site_id in record['site_ids'] \
+ if site_id in sites]
+ site_hrns = [".".join([auth_hrn, lbase]) for lbase in login_bases]
+ record['sites'] = site_hrns
+
+ return records
+
+ def fill_record_sfa_info(self, records):
+
+ def startswith(prefix, values):
+ return [value for value in values if value.startswith(prefix)]
+
+ SenslabUsers = SenslabImportUsers()
+ # get person ids
+ person_ids = []
+ site_ids = []
+ for record in records:
+ person_ids.extend(record.get("person_ids", []))
+ site_ids.extend(record.get("site_ids", []))
+ if 'site_id' in record:
+ site_ids.append(record['site_id'])
+
+ 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)
+
+ # get all pis from the sites we've encountered
+ # and store them in a dictionary keyed on site_id
+ site_pis = {}
+ if site_ids:
+ pi_filter = {'|roles': ['pi'], '|site_ids': site_ids}
+ pi_list = SenslabUsers.GetPersons( pi_filter, ['person_id', 'site_ids'])
+ print>>sys.stderr, "\r\n \r\n _fill_record_sfa_info ___ GetPersons ['person_id', 'site_ids'] pi_ilist %s" %(pi_list)
+
+ for pi in pi_list:
+ # we will need the pi's hrns also
+ person_ids.append(pi['person_id'])
+
+ # we also need to keep track of the sites these pis
+ # belong to
+ for site_id in pi['site_ids']:
+ if site_id in site_pis:
+ site_pis[site_id].append(pi)
+ else:
+ site_pis[site_id] = [pi]
+
+ # get sfa records for all records associated with these records.
+ # we'll replace pl ids (person_ids) with hrns from the sfa records
+ # we obtain
+
+ # get the sfa records
+ table = self.SfaTable()
+ person_list, persons = [], {}
+ person_list = table.find({'type': 'user', 'pointer': person_ids})
+ # create a hrns keyed on the sfa record's pointer.
+ # Its possible for multiple records to have the same pointer so
+ # the dict's value will be a list of hrns.
+ persons = defaultdict(list)
+ for person in person_list:
+ persons[person['pointer']].append(person)
+
+ # get the pl records
+ pl_person_list, pl_persons = [], {}
+ pl_person_list = SenslabUsers.GetPersons(person_ids, ['person_id', 'roles'])
+ pl_persons = list_to_dict(pl_person_list, 'person_id')
+ print>>sys.stderr, "\r\n \r\n _fill_record_sfa_info ___ _list %s \r\n \t\tplshell.GetPersons ['person_id', 'roles'] pl_persons %s " %(pl_person_list, pl_persons)
+ # fill sfa info
+ for record in records:
+ # skip records with no pl info (top level authorities)
+ if record['pointer'] == -1:
+ continue
+ sfa_info = {}
+ type = record['type']
+ if (type == "slice"):
+ # all slice users are researchers
+ record['PI'] = []
+ record['researcher'] = []
+ for person_id in record['person_ids']:
+ hrns = [person['hrn'] for person in persons[person_id]]
+ record['researcher'].extend(hrns)
+
+ # pis at the slice's site
+ pl_pis = site_pis[record['site_id']]
+ pi_ids = [pi['person_id'] for pi in pl_pis]
+ for person_id in pi_ids:
+ hrns = [person['hrn'] for person in persons[person_id]]
+ record['PI'].extend(hrns)
+ record['geni_urn'] = hrn_to_urn(record['hrn'], 'slice')
+ record['geni_creator'] = record['PI']
+
+ elif (type == "authority"):
+ record['PI'] = []
+ record['operator'] = []
+ record['owner'] = []
+ for pointer in record['person_ids']:
+ if pointer not in persons or pointer not in pl_persons:
+ # this means there is not sfa or pl record for this user
+ continue
+ hrns = [person['hrn'] for person in persons[pointer]]
+ roles = pl_persons[pointer]['roles']
+ if 'pi' in roles:
+ record['PI'].extend(hrns)
+ if 'tech' in roles:
+ record['operator'].extend(hrns)
+ if 'admin' in roles:
+ record['owner'].extend(hrns)
+ # xxx TODO: OrganizationName
+ elif (type == "node"):
+ sfa_info['dns'] = record.get("hostname", "")
+ # xxx TODO: URI, LatLong, IP, DNS
+
+ elif (type == "user"):
+ sfa_info['email'] = record.get("email", "")
+ sfa_info['geni_urn'] = hrn_to_urn(record['hrn'], 'user')
+ sfa_info['geni_certificate'] = record['gid']
+ # xxx TODO: PostalAddress, Phone
+ record.update(sfa_info)
+
+ def fill_record_info(self, records):
+ """
+ Given a SFA record, fill in the PLC specific and SFA specific
+ fields in the record.
+ """
+ print >>sys.stderr, "\r\n \t\t fill_record_info %s"%(records)
+ if not isinstance(records, list):
+ records = [records]
+ print >>sys.stderr, "\r\n \t\t BEFORE fill_record_pl_info %s" %(records)
+ self.fill_record_pl_info(records)
+ print >>sys.stderr, "\r\n \t\t after fill_record_pl_info %s" %(records)
+ self.fill_record_sfa_info(records)
+ print >>sys.stderr, "\r\n \t\t after fill_record_sfa_info"
+
+ def update_membership_list(self, oldRecord, record, listName, addFunc, delFunc):
+ # get a list of the HRNs tht are members of the old and new records
+ if oldRecord:
+ oldList = oldRecord.get(listName, [])
+ else:
+ oldList = []
+ newList = record.get(listName, [])
+
+ # if the lists are the same, then we don't have to update anything
+ if (oldList == newList):
+ return
+
+ # build a list of the new person ids, by looking up each person to get
+ # their pointer
+ newIdList = []
+ table = self.SfaTable()
+ records = table.find({'type': 'user', 'hrn': newList})
+ for rec in records:
+ newIdList.append(rec['pointer'])
+
+ # build a list of the old person ids from the person_ids field
+ if oldRecord:
+ oldIdList = oldRecord.get("person_ids", [])
+ containerId = oldRecord.get_pointer()
+ else:
+ # if oldRecord==None, then we are doing a Register, instead of an
+ # update.
+ oldIdList = []
+ containerId = record.get_pointer()
+
+ # add people who are in the new list, but not the oldList
+ for personId in newIdList:
+ if not (personId in oldIdList):
+ addFunc(self.plauth, personId, containerId)
+
+ # remove people who are in the old list, but not the new list
+ for personId in oldIdList:
+ if not (personId in newIdList):
+ delFunc(self.plauth, personId, containerId)
+
+ def update_membership(self, oldRecord, record):
+ if record.type == "slice":
+ self.update_membership_list(oldRecord, record, 'researcher',
+ self.plshell.AddPersonToSlice,
+ self.plshell.DeletePersonFromSlice)
+ elif record.type == "authority":
+ # xxx TODO
+ pass
+
+
+
+class ComponentAPI(BaseAPI):
+
+ def __init__(self, config = "/etc/sfa/sfa_config.py", encoding = "utf-8", methods='sfa.methods',
+ peer_cert = None, interface = None, key_file = None, cert_file = None):
+
+ BaseAPI.__init__(self, config=config, encoding=encoding, methods=methods, peer_cert=peer_cert,
+ interface=interface, key_file=key_file, cert_file=cert_file)
+ self.encoding = encoding
+
+ # Better just be documenting the API
+ if config is None:
+ return
+
+ self.nodemanager = NodeManager(self.config)
+
+ def sliver_exists(self):
+ sliver_dict = self.nodemanager.GetXIDs()
+ if slicename in sliver_dict.keys():
+ return True
+ else:
+ return False
+
+ def get_registry(self):
+ addr, port = self.config.SFA_REGISTRY_HOST, self.config.SFA_REGISTRY_PORT
+ url = "http://%(addr)s:%(port)s" % locals()
+ server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
+ return server
+
+ def get_node_key(self):
+ # this call requires no authentication,
+ # so we can generate a random keypair here
+ subject="component"
+ (kfd, keyfile) = tempfile.mkstemp()
+ (cfd, certfile) = tempfile.mkstemp()
+ key = Keypair(create=True)
+ key.save_to_file(keyfile)
+ cert = Certificate(subject=subject)
+ cert.set_issuer(key=key, subject=subject)
+ cert.set_pubkey(key)
+ cert.sign()
+ cert.save_to_file(certfile)
+ registry = self.get_registry()
+ # the registry will scp the key onto the node
+ registry.get_key()
+
+ def getCredential(self):
+ """
+ Get our credential from a remote registry
+ """
+ path = self.config.SFA_DATA_DIR
+ config_dir = self.config.config_path
+ cred_filename = path + os.sep + 'node.cred'
+ try:
+ credential = Credential(filename = cred_filename)
+ return credential.save_to_string(save_parents=True)
+ except IOError:
+ node_pkey_file = config_dir + os.sep + "node.key"
+ node_gid_file = config_dir + os.sep + "node.gid"
+ cert_filename = path + os.sep + 'server.cert'
+ if not os.path.exists(node_pkey_file) or \
+ not os.path.exists(node_gid_file):
+ self.get_node_key()
+
+ # get node's hrn
+ gid = GID(filename=node_gid_file)
+ hrn = gid.get_hrn()
+ # get credential from registry
+ cert_str = Certificate(filename=cert_filename).save_to_string(save_parents=True)
+ registry = self.get_registry()
+ cred = registry.GetSelfCredential(cert_str, hrn, 'node')
+ Credential(string=cred).save_to_file(credfile, save_parents=True)
+
+ return cred
+
+ def clean_key_cred(self):
+ """
+ remove the existing keypair and cred and generate new ones
+ """
+ files = ["server.key", "server.cert", "node.cred"]
+ for f in files:
+ filepath = KEYDIR + os.sep + f
+ if os.path.isfile(filepath):
+ os.unlink(f)
+
+ # install the new key pair
+ # GetCredential will take care of generating the new keypair
+ # and credential
+ self.get_node_key()
+ self.getCredential()
+
+