+++ /dev/null
-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)