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 prepare_slice(self, api, slice_xrn, creds, users): reg_objects = self._get_registry_objects(slice_xrn, creds, users) (hrn, type) = urn_to_hrn(slice_xrn) slices = PlSlices(self.driver) peer = slices.get_peer(hrn) sfa_peer = slices.get_sfa_peer(hrn) slice_record = None if users: slice_record = users[0].get('slice_record', {}) registry = api.registries[api.hrn] credential = api.getCredential() # ensure site record exists site = slices.verify_site(hrn, slice_record, peer, sfa_peer) # ensure slice record exists slice = slices.verify_slice(hrn, slice_record, peer, sfa_peer) # ensure person records exists persons = slices.verify_persons(hrn, slice, users, peer, sfa_peer)
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)