import datetime # from sfa.util.faults import MissingSfaInfo, UnknownSfaType, \ RecordNotFound, SfaNotImplemented, SliverDoesNotExist, SearchFailed, \ UnsupportedOperation, Forbidden from sfa.util.sfalogging import logger from sfa.util.defaultdict import defaultdict from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch from sfa.util.xrn import Xrn, hrn_to_urn, get_leaf from sfa.util.cache import Cache # one would think the driver should not need to mess with the SFA db, but.. from sfa.storage.model import RegRecord, SliverAllocation from sfa.trust.credential import Credential # used to be used in get_ticket #from sfa.trust.sfaticket import SfaTicket from sfa.rspecs.version_manager import VersionManager from sfa.rspecs.rspec import RSpec # the driver interface, mostly provides default behaviours from sfa.managers.driver import Driver from sfa.planetlab.plshell import PlShell from sfa.planetlab.plaggregate import PlAggregate from sfa.planetlab.plslices import PlSlices from sfa.planetlab.plxrn import PlXrn, slicename_to_hrn, hostname_to_hrn, hrn_to_pl_slicename, xrn_to_hostname, top_auth, hash_loginbase def list_to_dict(recs, key): """ convert a list of dictionaries into a dictionary keyed on the specified dictionary key """ return dict ( [ (rec[key],rec) for rec in recs ] ) # # PlShell is just an xmlrpc serverproxy where methods # can be sent as-is; it takes care of authentication # from the global config # class PlDriver (Driver): # the cache instance is a class member so it survives across incoming requests cache = None def __init__ (self, api): Driver.__init__ (self, api) config=api.config self.shell = PlShell (config) self.cache=None if config.SFA_AGGREGATE_CACHING: if PlDriver.cache is None: PlDriver.cache = Cache() self.cache = PlDriver.cache def sliver_to_slice_xrn(self, xrn): sliver_id_parts = Xrn(xrn).get_sliver_id_parts() filter = {'peer_id': None} try: filter['slice_id'] = int(sliver_id_parts[0]) except ValueError: filter['name'] = sliver_id_parts[0] slices = self.shell.GetSlices(filter,['hrn']) if not slices: raise Forbidden("Unable to locate slice record for sliver: %s" % xrn) slice = slices[0] slice_xrn = slice['hrn'] return slice_xrn def check_sliver_credentials(self, creds, urns): # build list of cred object hrns slice_cred_names = [] for cred in creds: slice_cred_hrn = Credential(cred=cred).get_gid_object().get_hrn() top_auth_hrn = top_auth(slice_cred_hrn) site_hrn = '.'.join(slice_cred_hrn.split('.')[:-1]) slice_part = slice_cred_hrn.split('.')[-1] if top_auth_hrn == self.hrn: login_base = slice_cred_hrn.split('.')[-2][:12] else: login_base = hash_loginbase(site_hrn) slicename = '_'.join([login_base, slice_part]) slice_cred_names.append(slicename) # look up slice name of slivers listed in urns arg slice_ids = [] for urn in urns: sliver_id_parts = Xrn(xrn=urn).get_sliver_id_parts() try: slice_ids.append(int(sliver_id_parts[0])) except ValueError: pass if not slice_ids: raise Forbidden("sliver urn not provided") slices = self.shell.GetSlices(slice_ids) sliver_names = [slice['name'] for slice in slices] # make sure we have a credential for every specified sliver ierd for sliver_name in sliver_names: if sliver_name not in slice_cred_names: msg = "Valid credential not found for target: %s" % sliver_name raise Forbidden(msg) ######################################## ########## registry oriented ######################################## def augment_records_with_testbed_info (self, sfa_records): return self.fill_record_info (sfa_records) ########## def register (self, sfa_record, hrn, pub_key): type = sfa_record['type'] pl_record = self.sfa_fields_to_pl_fields(type, hrn, sfa_record) if type == 'authority': sites = self.shell.GetSites({'peer_id': None, 'login_base': pl_record['login_base']}) if not sites: # xxx when a site gets registered through SFA we need to set its max_slices if 'max_slices' not in pl_record: pl_record['max_slices']=2 pointer = self.shell.AddSite(pl_record) self.shell.SetSiteHrn(int(pointer), hrn) else: pointer = sites[0]['site_id'] elif type == 'slice': acceptable_fields=['url', 'instantiation', 'name', 'description'] for key in pl_record.keys(): if key not in acceptable_fields: pl_record.pop(key) slices = self.shell.GetSlices({'peer_id': None, 'name': pl_record['name']}) if not slices: if not pl_record.get('url', None) or not pl_record.get('description', None): pl_record['url'] = hrn pl_record['description'] = hrn pointer = self.shell.AddSlice(pl_record) self.shell.SetSliceHrn(int(pointer), hrn) else: pointer = slices[0]['slice_id'] elif type == 'user': persons = self.shell.GetPersons({'peer_id': None, 'email': sfa_record['email']}) if not persons: for key in ['first_name','last_name']: if key not in sfa_record: sfa_record[key]='*from*sfa*' # AddPerson does not allow everything to be set can_add = ['first_name', 'last_name', 'title','email', 'password', 'phone', 'url', 'bio'] add_person_dict=dict ( [ (k,sfa_record[k]) for k in sfa_record if k in can_add ] ) pointer = self.shell.AddPerson(add_person_dict) self.shell.SetPersonHrn(int(pointer), hrn) else: pointer = persons[0]['person_id'] # enable the person's account self.shell.UpdatePerson(pointer, {'enabled': True}) # add this person to the site login_base = get_leaf(sfa_record['authority']) self.shell.AddPersonToSite(pointer, login_base) # What roles should this user have? roles=[] if 'roles' in sfa_record: # if specified in xml, but only low-level roles roles = [ role for role in sfa_record['roles'] if role in ['user','tech'] ] # at least user if no other cluse could be found if not roles: roles=['user'] for role in roles: self.shell.AddRoleToPerson(role, pointer) # Add the user's key if pub_key: self.shell.AddPersonKey(pointer, {'key_type' : 'ssh', 'key' : pub_key}) elif type == 'node': login_base = PlXrn(xrn=sfa_record['authority'],type='authority').pl_login_base() nodes = self.shell.GetNodes({'peer_id': None, 'hostname': pl_record['hostname']}) if not nodes: pointer = self.shell.AddNode(login_base, pl_record) self.shell.SetNodeHrn(int(pointer), hrn) else: pointer = nodes[0]['node_id'] return pointer ########## # xxx actually old_sfa_record comes filled with plc stuff as well in the original code def update (self, old_sfa_record, new_sfa_record, hrn, new_key): pointer = old_sfa_record['pointer'] type = old_sfa_record['type'] new_key_pointer = None # new_key implemented for users only if new_key and type not in [ 'user' ]: raise UnknownSfaType(type) if (type == "authority"): self.shell.UpdateSite(pointer, new_sfa_record) self.shell.SetSiteHrn(pointer, hrn) elif type == "slice": pl_record=self.sfa_fields_to_pl_fields(type, hrn, new_sfa_record) if 'name' in pl_record: pl_record.pop('name') self.shell.UpdateSlice(pointer, pl_record) self.shell.SetSliceHrn(pointer, hrn) elif type == "user": # SMBAKER: UpdatePerson only allows a limited set of fields to be # updated. Ideally we should have a more generic way of doing # this. I copied the field names from UpdatePerson.py... update_fields = {} all_fields = new_sfa_record for key in all_fields.keys(): if key in ['first_name', 'last_name', 'title', 'email', 'password', 'phone', 'url', 'bio', 'accepted_aup', 'enabled']: update_fields[key] = all_fields[key] # when updating a user, we always get a 'email' field at this point # this is because 'email' is a native field in the RegUser object... if 'email' in update_fields and not update_fields['email']: del update_fields['email'] self.shell.UpdatePerson(pointer, update_fields) self.shell.SetPersonHrn(pointer, hrn) if new_key: # must check this key against the previous one if it exists persons = self.shell.GetPersons({'peer_id': None, 'person_id': pointer}, ['key_ids']) person = persons[0] keys = person['key_ids'] keys = self.shell.GetKeys(person['key_ids']) key_exists = False for key in keys: if new_key == key['key']: key_exists = True new_key_pointer = key['key_id'] break if not key_exists: new_key_pointer = self.shell.AddPersonKey(pointer, {'key_type': 'ssh', 'key': new_key}) elif type == "node": self.shell.UpdateNode(pointer, new_sfa_record) return (pointer, new_key_pointer) ########## def remove (self, sfa_record): type=sfa_record['type'] pointer=sfa_record['pointer'] if type == 'user': persons = self.shell.GetPersons({'peer_id': None, 'person_id': pointer}) # only delete this person if he has site ids. if he doesnt, it probably means # he was just removed from a site, not actually deleted if persons and persons[0]['site_ids']: self.shell.DeletePerson(pointer) elif type == 'slice': if self.shell.GetSlices({'peer_id': None, 'slice_id': pointer}): self.shell.DeleteSlice(pointer) elif type == 'node': if self.shell.GetNodes({'peer_id': None, 'node_id': pointer}): self.shell.DeleteNode(pointer) elif type == 'authority': if self.shell.GetSites({'peer_id': None, 'site_id': pointer}): self.shell.DeleteSite(pointer) return True ## # Convert SFA fields to PLC fields for use when registering or updating # registry record in the PLC database # def sfa_fields_to_pl_fields(self, type, hrn, sfa_record): pl_record = {} if type == "slice": pl_record["name"] = hrn_to_pl_slicename(hrn) if "instantiation" in sfa_record: pl_record['instantiation']=sfa_record['instantiation'] else: pl_record["instantiation"] = "plc-instantiated" if "url" in sfa_record: pl_record["url"] = sfa_record["url"] if "description" in sfa_record: pl_record["description"] = sfa_record["description"] if "expires" in sfa_record: date = utcparse(sfa_record['expires']) expires = datetime_to_epoch(date) pl_record["expires"] = expires elif type == "node": if not "hostname" in pl_record: # fetch from sfa_record if "hostname" not in sfa_record: raise MissingSfaInfo("hostname") pl_record["hostname"] = sfa_record["hostname"] if "model" in sfa_record: pl_record["model"] = sfa_record["model"] else: pl_record["model"] = "geni" elif type == "authority": pl_record["login_base"] = PlXrn(xrn=hrn,type='authority').pl_login_base() if "name" not in sfa_record: pl_record["name"] = hrn if "abbreviated_name" not in sfa_record: pl_record["abbreviated_name"] = hrn if "enabled" not in sfa_record: pl_record["enabled"] = True if "is_public" not in sfa_record: pl_record["is_public"] = True return pl_record #################### def fill_record_info(self, records): """ Given a (list of) SFA record, fill in the PLC specific and SFA specific fields in the record. """ if not isinstance(records, list): records = [records] self.fill_record_pl_info(records) self.fill_record_hrns(records) self.fill_record_sfa_info(records) return records 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. @param record: record to fill in field (in/out param) """ # get ids by type 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: if type == record['type']: type_map[type].append(record['pointer']) # get pl records nodes, sites, slices, persons, keys = {}, {}, {}, {}, {} if node_ids: node_list = self.shell.GetNodes({'peer_id': None, 'node_id': node_ids}) nodes = list_to_dict(node_list, 'node_id') if site_ids: site_list = self.shell.GetSites({'peer_id': None, 'site_id': site_ids}) sites = list_to_dict(site_list, 'site_id') if slice_ids: slice_list = self.shell.GetSlices({'peer_id': None, 'slice_id': slice_ids}) slices = list_to_dict(slice_list, 'slice_id') if person_ids: person_list = self.shell.GetPersons({'peer_id': None, 'person_id': person_ids}) persons = list_to_dict(person_list, 'person_id') for person in persons: key_ids.extend(persons[person]['key_ids']) pl_records = {'node': nodes, 'authority': sites, 'slice': slices, 'user': persons} if key_ids: key_list = self.shell.GetKeys(key_ids) keys = list_to_dict(key_list, 'key_id') # 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: logger.info("user record has no 'key_ids' - need to import from myplc ?") else: pubkeys = [keys[key_id]['key'] for key_id in record['key_ids'] if key_id in keys] record['keys'] = pubkeys 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 record: 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.shell.GetSites({'peer_id': None, 'site_id': site_ids}, ['site_id', 'login_base']) sites = list_to_dict(site_list, 'site_id') if person_ids: person_list = self.shell.GetPersons({'peer_id': None, 'person_id': person_ids}, ['person_id', 'email']) persons = list_to_dict(person_list, 'person_id') if slice_ids: slice_list = self.shell.GetSlices({'peer_id': None, 'slice_id': slice_ids}, ['slice_id', 'name']) slices = list_to_dict(slice_list, 'slice_id') if node_ids: node_list = self.shell.GetNodes({'peer_id': None, 'node_id': 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 if 'site_id' in record: site = sites[record['site_id']] 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 if 'expires' in record: date = utcparse(record['expires']) datestring = datetime_to_string(date) record['expires'] = datestring return records def fill_record_sfa_info(self, records): def startswith(prefix, values): return [value for value in values if value.startswith(prefix)] # 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']) # 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 = {'peer_id': None, '|roles': ['pi'], '|site_ids': site_ids} pi_list = self.shell.GetPersons(pi_filter, ['person_id', 'site_ids']) 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 registry records person_list, persons = [], {} person_list = self.api.dbsession().query (RegRecord).filter(RegRecord.pointer.in_(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 = self.shell.GetPersons(person_ids, ['person_id', 'roles']) pl_persons = list_to_dict(pl_person_list, 'person_id') # 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'] logger.info("fill_record_sfa_info - incoming record typed %s"%type) if (type == "slice"): # all slice users are researchers record['geni_urn'] = hrn_to_urn(record['hrn'], 'slice') record['PI'] = [] record['researcher'] = [] for person_id in record.get('person_ids', []): hrns = [person.hrn for person in persons[person_id]] record['researcher'].extend(hrns) # pis at the slice's site if 'site_id' in record and record['site_id'] in site_pis: 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_creator'] = record['PI'] elif (type.startswith("authority")): record['url'] = None logger.info("fill_record_sfa_info - authority xherex") if record['pointer'] != -1: record['PI'] = [] record['operator'] = [] record['owner'] = [] for pointer in record.get('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"): logger.info('setting user.email') 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) #################### # plcapi works by changes, compute what needs to be added/deleted def update_relation (self, subject_type, target_type, relation_name, subject_id, target_ids): # hard-wire the code for slice/user for now, could be smarter if needed if subject_type =='slice' and target_type == 'user' and relation_name == 'researcher': subject=self.shell.GetSlices (subject_id)[0] current_target_ids = subject['person_ids'] add_target_ids = list ( set (target_ids).difference(current_target_ids)) del_target_ids = list ( set (current_target_ids).difference(target_ids)) logger.debug ("subject_id = %s (type=%s)"%(subject_id,type(subject_id))) for target_id in add_target_ids: self.shell.AddPersonToSlice (target_id,subject_id) logger.debug ("add_target_id = %s (type=%s)"%(target_id,type(target_id))) for target_id in del_target_ids: logger.debug ("del_target_id = %s (type=%s)"%(target_id,type(target_id))) self.shell.DeletePersonFromSlice (target_id, subject_id) elif subject_type == 'authority' and target_type == 'user' and relation_name == 'pi': # due to the plcapi limitations this means essentially adding pi role to all people in the list # it's tricky to remove any pi role here, although it might be desirable persons = self.shell.GetPersons ({'peer_id': None, 'person_id': target_ids}) for person in persons: if 'pi' not in person['roles']: self.shell.AddRoleToPerson('pi',person['person_id']) else: logger.info('unexpected relation %s to maintain, %s -> %s'%(relation_name,subject_type,target_type)) ######################################## ########## aggregate oriented ######################################## def testbed_name (self): return "myplc" def aggregate_version (self): return {} # first 2 args are None in case of resource discovery def list_resources (self, version=None, options={}): aggregate = PlAggregate(self) rspec = aggregate.list_resources(version=version, options=options) return rspec def describe(self, urns, version, options={}): aggregate = PlAggregate(self) return aggregate.describe(urns, version=version, options=options) def status (self, urns, options={}): aggregate = PlAggregate(self) desc = aggregate.describe(urns, version='GENI 3') status = {'geni_urn': desc['geni_urn'], 'geni_slivers': desc['geni_slivers']} return status def allocate (self, urn, rspec_string, expiration, options={}): xrn = Xrn(urn) aggregate = PlAggregate(self) slices = PlSlices(self) sfa_peer = slices.get_sfa_peer(xrn.get_hrn()) slice_record=None users = options.get('geni_users', []) if users: slice_record = users[0].get('slice_record', {}) # parse rspec rspec = RSpec(rspec_string) requested_attributes = rspec.version.get_slice_attributes() # ensure site record exists site = slices.verify_site(xrn.hrn, slice_record, sfa_peer, options=options) # ensure slice record exists slice = slices.verify_slice(xrn.hrn, slice_record, sfa_peer, expiration=expiration, options=options) # ensure person records exists persons = slices.verify_persons(xrn.hrn, slice, users, sfa_peer, options=options) # ensure slice attributes exists slices.verify_slice_attributes(slice, requested_attributes, options=options) # add/remove slice from nodes request_nodes = rspec.version.get_nodes_with_slivers() nodes = slices.verify_slice_nodes(urn, slice, request_nodes) # add/remove links links slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes) # add/remove leases rspec_requested_leases = rspec.version.get_leases() leases = slices.verify_slice_leases(slice, rspec_requested_leases) return aggregate.describe([xrn.get_urn()], version=rspec.version) def provision(self, urns, options={}): # update users slices = PlSlices(self) aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if not slivers: sliver_id_parts = Xrn(urns[0]).get_sliver_id_parts() filter = {} try: filter['slice_id'] = int(sliver_id_parts[0]) except ValueError: filter['name'] = sliver_id_parts[0] slices = self.shell.GetSlices(filter,['hrn']) if not slices: raise Forbidden("Unable to locate slice record for sliver: %s" % xrn) slice = slices[0] slice_urn = hrn_to_urn(slice['hrn'], type='slice') urns = [slice_urn] else: slice_id = slivers[0]['slice_id'] slice_hrn = self.shell.GetSliceHrn(slice_id) slice = self.shell.GetSlices({'slice_id': slice_id})[0] slice['hrn'] = slice_hrn sfa_peer = slices.get_sfa_peer(slice['hrn']) users = options.get('geni_users', []) persons = slices.verify_persons(slice['hrn'], slice, users, sfa_peer, options=options) # update sliver allocation states and set them to geni_provisioned sliver_ids = [sliver['sliver_id'] for sliver in slivers] dbsession=self.api.dbsession() SliverAllocation.set_allocations(sliver_ids, 'geni_provisioned',dbsession) version_manager = VersionManager() rspec_version = version_manager.get_version(options['geni_rspec_version']) return self.describe(urns, rspec_version, options=options) def delete(self, urns, options={}): # collect sliver ids so we can update sliver allocation states after # we remove the slivers. aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if slivers: slice_id = slivers[0]['slice_id'] slice_name = slivers[0]['name'] node_ids = [] sliver_ids = [] for sliver in slivers: node_ids.append(sliver['node_id']) sliver_ids.append(sliver['sliver_id']) # leases leases = self.shell.GetLeases({'name': slice_name, 'node_id': node_ids}) leases_ids = [lease['lease_id'] for lease in leases ] slice_hrn = self.shell.GetSliceHrn(int(slice_id)) try: self.shell.DeleteSliceFromNodes(slice_id, node_ids) if len(leases_ids) > 0: self.shell.DeleteLeases(leases_ids) # delete sliver allocation states dbsession=self.api.dbsession() SliverAllocation.delete_allocations(sliver_ids,dbsession) finally: pass # prepare return struct geni_slivers = [] for sliver in slivers: geni_slivers.append( {'geni_sliver_urn': sliver['sliver_id'], 'geni_allocation_status': 'geni_unallocated', 'geni_expires': datetime_to_string(utcparse(sliver['expires']))}) return geni_slivers def renew (self, urns, expiration_time, options={}): aggregate = PlAggregate(self) slivers = aggregate.get_slivers(urns) if not slivers: raise SearchFailed(urns) slice = slivers[0] requested_time = utcparse(expiration_time) record = {'expires': int(datetime_to_epoch(requested_time))} self.shell.UpdateSlice(slice['slice_id'], record) description = self.describe(urns, 'GENI 3', options) return description['geni_slivers'] def perform_operational_action (self, urns, action, options={}): # MyPLC doesn't support operational actions. Lets pretend like it # supports start, but reject everything else. action = action.lower() if action not in ['geni_start']: raise UnsupportedOperation(action) # fault if sliver is not full allocated (operational status is geni_pending_allocation) description = self.describe(urns, 'GENI 3', options) for sliver in description['geni_slivers']: if sliver['geni_operational_status'] == 'geni_pending_allocation': raise UnsupportedOperation(action, "Sliver must be fully allocated (operational status is not geni_pending_allocation)") # # Perform Operational Action Here # geni_slivers = self.describe(urns, 'GENI 3', options)['geni_slivers'] return geni_slivers # set the 'enabled' tag to 0 def shutdown (self, xrn, options={}): hrn, _ = urn_to_hrn(xrn) top_auth_hrn = top_auth(hrn) site_hrn = '.'.join(hrn.split('.')[:-1]) slice_part = hrn.split('.')[-1] if top_auth_hrn == self.hrn: login_base = slice_hrn.split('.')[-2][:12] else: login_base = hash_loginbase(site_hrn) slicename = '_'.join([login_base, slice_part]) slices = self.shell.GetSlices({'peer_id': None, 'name': slicename}, ['slice_id']) if not slices: raise RecordNotFound(slice_hrn) slice_id = slices[0]['slice_id'] slice_tags = self.shell.GetSliceTags({'slice_id': slice_id, 'tagname': 'enabled'}) if not slice_tags: self.shell.AddSliceTag(slice_id, 'enabled', '0') elif slice_tags[0]['value'] != "0": tag_id = slice_tags[0]['slice_tag_id'] self.shell.UpdateSliceTag(tag_id, '0') return 1