X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fplc%2Fpldriver.py;fp=sfa%2Fplc%2Fpldriver.py;h=0000000000000000000000000000000000000000;hb=0f90da7f05fbe3d07e56790c10f6ecc877b33754;hp=49908ba87a292ad4cd14ee3ba45657f2f245c54a;hpb=2a47b9c79b0a6996f61eb70606be88f54cc4a398;p=sfa.git diff --git a/sfa/plc/pldriver.py b/sfa/plc/pldriver.py deleted file mode 100644 index 49908ba8..00000000 --- a/sfa/plc/pldriver.py +++ /dev/null @@ -1,874 +0,0 @@ -import time -import datetime -# -from sfa.util.faults import MissingSfaInfo, UnknownSfaType, \ - RecordNotFound, SfaNotImplemented, SliverDoesNotExist - -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 hrn_to_urn, get_leaf, urn_to_sliver_id -from sfa.util.cache import Cache - -# one would think the driver should not need to mess with the SFA db, but.. -from sfa.storage.alchemy import dbsession -from sfa.storage.model import RegRecord - -# 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.plc.plshell import PlShell -import sfa.plc.peers as peers -from sfa.plc.plaggregate import PlAggregate -from sfa.plc.plslices import PlSlices -from sfa.util.plxrn import PlXrn, slicename_to_hrn, hostname_to_hrn, hrn_to_pl_slicename - - -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, config): - Driver.__init__ (self, 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 - - ######################################## - ########## 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([pl_record['login_base']]) - if not sites: - pointer = self.shell.AddSite(pl_record) - 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([pl_record['name']]) - if not slices: - pointer = self.shell.AddSlice(pl_record) - else: - pointer = slices[0]['slice_id'] - - elif type == 'user': - persons = self.shell.GetPersons({'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*' - pointer = self.shell.AddPerson(dict(sfa_record)) - else: - pointer = persons[0]['person_id'] - - if 'enabled' in sfa_record and sfa_record['enabled']: - self.shell.UpdatePerson(pointer, {'enabled': sfa_record['enabled']}) - # add this person to the site only if she is being added for the first - # time by sfa and doesont already exist in plc - if not persons or not persons[0]['site_ids']: - 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='node').pl_login_base() - nodes = self.shell.GetNodes([pl_record['hostname']]) - if not nodes: - pointer = self.shell.AddNode(login_base, pl_record) - 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 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) - - 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) - - 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] - self.shell.UpdatePerson(pointer, update_fields) - - if new_key: - # must check this key against the previous one if it exists - persons = self.shell.GetPersons([pointer], ['key_ids']) - person = persons[0] - keys = person['key_ids'] - keys = self.shell.GetKeys(person['key_ids']) - - # Delete all stale keys - key_exists = False - for key in keys: - if new_key != key['key']: - self.shell.DeleteKey(key['key_id']) - else: - key_exists = True - if not key_exists: - self.shell.AddPersonKey(pointer, {'key_type': 'ssh', 'key': new_key}) - - elif type == "node": - self.shell.UpdateNode(pointer, new_sfa_record) - - return True - - - ########## - def remove (self, sfa_record): - type=sfa_record['type'] - pointer=sfa_record['pointer'] - if type == 'user': - persons = self.shell.GetPersons(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(pointer): - self.shell.DeleteSlice(pointer) - elif type == 'node': - if self.shell.GetNodes(pointer): - self.shell.DeleteNode(pointer) - elif type == 'authority': - if self.shell.GetSites(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(node_ids) - nodes = list_to_dict(node_list, 'node_id') - if site_ids: - site_list = self.shell.GetSites(site_ids) - sites = list_to_dict(site_list, 'site_id') - if slice_ids: - slice_list = self.shell.GetSlices(slice_ids) - slices = list_to_dict(slice_list, 'slice_id') - if person_ids: - person_list = self.shell.GetPersons(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(site_ids, ['site_id', 'login_base']) - sites = list_to_dict(site_list, 'site_id') - if person_ids: - person_list = self.shell.GetPersons(person_ids, ['person_id', 'email']) - persons = list_to_dict(person_list, 'person_id') - if slice_ids: - slice_list = self.shell.GetSlices(slice_ids, ['slice_id', 'name']) - slices = list_to_dict(slice_list, 'slice_id') - if node_ids: - node_list = self.shell.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 - - 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 = {'|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 = 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 (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" - - # 'geni_request_rspec_versions' and 'geni_ad_rspec_versions' are mandatory - def aggregate_version (self): - version_manager = VersionManager() - ad_rspec_versions = [] - request_rspec_versions = [] - for rspec_version in version_manager.versions: - if rspec_version.content_type in ['*', 'ad']: - ad_rspec_versions.append(rspec_version.to_dict()) - if rspec_version.content_type in ['*', 'request']: - request_rspec_versions.append(rspec_version.to_dict()) - return { - 'testbed':self.testbed_name(), - 'geni_request_rspec_versions': request_rspec_versions, - 'geni_ad_rspec_versions': ad_rspec_versions, - } - - def list_slices (self, creds, options): - # look in cache first - if self.cache: - slices = self.cache.get('slices') - if slices: - logger.debug("PlDriver.list_slices returns from cache") - return slices - - # get data from db - slices = self.shell.GetSlices({'peer_id': None}, ['name']) - slice_hrns = [slicename_to_hrn(self.hrn, slice['name']) for slice in slices] - slice_urns = [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slice_hrns] - - # cache the result - if self.cache: - logger.debug ("PlDriver.list_slices stores value in cache") - self.cache.add('slices', slice_urns) - - return slice_urns - - # first 2 args are None in case of resource discovery - def list_resources (self, slice_urn, slice_hrn, creds, options): - cached_requested = options.get('cached', True) - - version_manager = VersionManager() - # get the rspec's return format from options - rspec_version = version_manager.get_version(options.get('geni_rspec_version')) - version_string = "rspec_%s" % (rspec_version) - - #panos adding the info option to the caching key (can be improved) - if options.get('info'): - version_string = version_string + "_"+options.get('info', 'default') - - # look in cache first - if cached_requested and self.cache and not slice_hrn: - rspec = self.cache.get(version_string) - if rspec: - logger.debug("PlDriver.ListResources: returning cached advertisement") - return rspec - - #panos: passing user-defined options - #print "manager options = ",options - aggregate = PlAggregate(self) - rspec = aggregate.get_rspec(slice_xrn=slice_urn, version=rspec_version, - options=options) - - # cache the result - if self.cache and not slice_hrn: - logger.debug("PlDriver.ListResources: stores advertisement in cache") - self.cache.add(version_string, rspec) - - return rspec - - def sliver_status (self, slice_urn, slice_hrn): - # find out where this slice is currently running - slicename = hrn_to_pl_slicename(slice_hrn) - - slices = self.shell.GetSlices([slicename], ['slice_id', 'node_ids','person_ids','name','expires']) - if len(slices) == 0: - raise SliverDoesNotExist("%s (used %s as slicename internally)" % (slice_hrn, slicename)) - slice = slices[0] - - # report about the local nodes only - nodes = self.shell.GetNodes({'node_id':slice['node_ids'],'peer_id':None}, - ['node_id', 'hostname', 'site_id', 'boot_state', 'last_contact']) - - if len(nodes) == 0: - raise SliverDoesNotExist("You have not allocated any slivers here") - - # get login info - user = {} - if slice['person_ids']: - persons = self.shell.GetPersons(slice['person_ids'], ['key_ids']) - key_ids = [key_id for person in persons for key_id in person['key_ids']] - person_keys = self.shell.GetKeys(key_ids) - keys = [key['key'] for key in keys] - - user.update({'urn': slice_urn, - 'login': slice['name'], - 'protocol': ['ssh'], - 'port': ['22'], - 'keys': keys}) - - site_ids = [node['site_id'] for node in nodes] - - result = {} - top_level_status = 'unknown' - if nodes: - top_level_status = 'ready' - result['geni_urn'] = slice_urn - result['pl_login'] = slice['name'] - result['pl_expires'] = datetime_to_string(utcparse(slice['expires'])) - result['geni_expires'] = datetime_to_string(utcparse(slice['expires'])) - - resources = [] - for node in nodes: - res = {} - res['pl_hostname'] = node['hostname'] - res['pl_boot_state'] = node['boot_state'] - res['pl_last_contact'] = node['last_contact'] - res['geni_expires'] = datetime_to_string(utcparse(slice['expires'])) - if node['last_contact'] is not None: - - res['pl_last_contact'] = datetime_to_string(utcparse(node['last_contact'])) - sliver_id = urn_to_sliver_id(slice_urn, slice['slice_id'], node['node_id'], authority=self.hrn) - res['geni_urn'] = sliver_id - if node['boot_state'] == 'boot': - res['geni_status'] = 'ready' - else: - res['geni_status'] = 'failed' - top_level_status = 'failed' - - res['geni_error'] = '' - res['users'] = [user] - - resources.append(res) - - result['geni_status'] = top_level_status - result['geni_resources'] = resources - return result - - def create_sliver (self, slice_urn, slice_hrn, creds, rspec_string, users, options): - - aggregate = PlAggregate(self) - slices = PlSlices(self) - peer = slices.get_peer(slice_hrn) - sfa_peer = slices.get_sfa_peer(slice_hrn) - slice_record=None - 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(slice_hrn, slice_record, peer, sfa_peer, options=options) - # ensure slice record exists - slice = slices.verify_slice(slice_hrn, slice_record, peer, sfa_peer, options=options) - # ensure person records exists - persons = slices.verify_persons(slice_hrn, slice, users, peer, sfa_peer, options=options) - # ensure slice attributes exists - slices.verify_slice_attributes(slice, requested_attributes, options=options) - - # add/remove slice from nodes - requested_slivers = [] - for node in rspec.version.get_nodes_with_slivers(): - hostname = None - if node.get('component_name'): - hostname = node.get('component_name') - elif node.get('component_id'): - hostname = xrn_to_hostname(node.get('component_id')) - if hostname: - requested_slivers.append(hostname) - nodes = slices.verify_slice_nodes(slice, requested_slivers, peer) - - # add/remove links links - slices.verify_slice_links(slice, rspec.version.get_link_requests(), nodes) - - # handle MyPLC peer association. - # only used by plc and ple. - slices.handle_peer(site, slice, persons, peer) - - return aggregate.get_rspec(slice_xrn=slice_urn, version=rspec.version) - - def delete_sliver (self, slice_urn, slice_hrn, creds, options): - slicename = hrn_to_pl_slicename(slice_hrn) - slices = self.shell.GetSlices({'name': slicename}) - if not slices: - return 1 - slice = slices[0] - - # determine if this is a peer slice - # xxx I wonder if this would not need to use PlSlices.get_peer instead - # in which case plc.peers could be deprecated as this here - # is the only/last call to this last method in plc.peers - peer = peers.get_peer(self, slice_hrn) - try: - if peer: - self.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer) - self.shell.DeleteSliceFromNodes(slicename, slice['node_ids']) - finally: - if peer: - self.shell.BindObjectToPeer('slice', slice['slice_id'], peer, slice['peer_slice_id']) - return 1 - - def renew_sliver (self, slice_urn, slice_hrn, creds, expiration_time, options): - slicename = hrn_to_pl_slicename(slice_hrn) - slices = self.shell.GetSlices({'name': slicename}, ['slice_id']) - if not slices: - raise RecordNotFound(slice_hrn) - slice = slices[0] - requested_time = utcparse(expiration_time) - record = {'expires': int(datetime_to_epoch(requested_time))} - try: - self.shell.UpdateSlice(slice['slice_id'], record) - return True - except: - return False - - # remove the 'enabled' tag - def start_slice (self, slice_urn, slice_hrn, creds): - slicename = hrn_to_pl_slicename(slice_hrn) - slices = self.shell.GetSlices({'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'}, ['slice_tag_id']) - # just remove the tag if it exists - if slice_tags: - self.shell.DeleteSliceTag(slice_tags[0]['slice_tag_id']) - return 1 - - # set the 'enabled' tag to 0 - def stop_slice (self, slice_urn, slice_hrn, creds): - slicename = hrn_to_pl_slicename(slice_hrn) - slices = self.shell.GetSlices({'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 - - def reset_slice (self, slice_urn, slice_hrn, creds): - raise SfaNotImplemented ("reset_slice not available at this interface") - - # xxx this code is quite old and has not run for ages - # it is obviously totally broken and needs a rewrite - def get_ticket (self, slice_urn, slice_hrn, creds, rspec_string, options): - raise SfaNotImplemented,"PlDriver.get_ticket needs a rewrite" -# please keep this code for future reference -# slices = PlSlices(self) -# peer = slices.get_peer(slice_hrn) -# sfa_peer = slices.get_sfa_peer(slice_hrn) -# -# # get the slice record -# credential = api.getCredential() -# interface = api.registries[api.hrn] -# registry = api.server_proxy(interface, credential) -# records = registry.Resolve(xrn, credential) -# -# # make sure we get a local slice record -# record = None -# for tmp_record in records: -# if tmp_record['type'] == 'slice' and \ -# not tmp_record['peer_authority']: -# #Error (E0602, GetTicket): Undefined variable 'SliceRecord' -# slice_record = SliceRecord(dict=tmp_record) -# if not record: -# raise RecordNotFound(slice_hrn) -# -# # similar to CreateSliver, we must verify that the required records exist -# # at this aggregate before we can issue a ticket -# # parse rspec -# rspec = RSpec(rspec_string) -# requested_attributes = rspec.version.get_slice_attributes() -# -# # ensure site record exists -# site = slices.verify_site(slice_hrn, slice_record, peer, sfa_peer) -# # ensure slice record exists -# slice = slices.verify_slice(slice_hrn, slice_record, peer, sfa_peer) -# # ensure person records exists -# # xxx users is undefined in this context -# persons = slices.verify_persons(slice_hrn, slice, users, peer, sfa_peer) -# # ensure slice attributes exists -# slices.verify_slice_attributes(slice, requested_attributes) -# -# # get sliver info -# slivers = slices.get_slivers(slice_hrn) -# -# if not slivers: -# raise SliverDoesNotExist(slice_hrn) -# -# # get initscripts -# initscripts = [] -# data = { -# 'timestamp': int(time.time()), -# 'initscripts': initscripts, -# 'slivers': slivers -# } -# -# # create the ticket -# object_gid = record.get_gid_object() -# new_ticket = SfaTicket(subject = object_gid.get_subject()) -# new_ticket.set_gid_caller(api.auth.client_gid) -# new_ticket.set_gid_object(object_gid) -# new_ticket.set_issuer(key=api.key, subject=self.hrn) -# new_ticket.set_pubkey(object_gid.get_pubkey()) -# new_ticket.set_attributes(data) -# new_ticket.set_rspec(rspec) -# #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn)) -# new_ticket.encode() -# new_ticket.sign() -# -# return new_ticket.save_to_string(save_parents=True)