def get_ticket(api, xrn, creds, rspec, users): reg_objects = __get_registry_objects(xrn, creds, users) slice_hrn, type = urn_to_hrn(xrn) slices = Slices(api) peer = slices.get_peer(slice_hrn) sfa_peer = slices.get_sfa_peer(slice_hrn) # get the slice record registry = api.registries[api.hrn] credential = api.getCredential() records = registry.Resolve(xrn, credential) # similar to CreateSliver, we must verify that the required records exist # at this aggregate before we can issue a ticket site_id, remote_site_id = slices.verify_site(registry, credential, slice_hrn, peer, sfa_peer, reg_objects) slice = slices.verify_slice(registry, credential, slice_hrn, site_id, remote_site_id, peer, sfa_peer, reg_objects) # 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']: record = SliceRecord(dict=tmp_record) if not record: raise RecordNotFound(slice_hrn) # get sliver info slivers = Slices(api).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=api.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)
def prepare_slice(api, slice_xrn, creds, users): reg_objects = __get_registry_objects(slice_xrn, creds, users) (hrn, type) = urn_to_hrn(slice_xrn) slices = Slices(api) 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 CreateSliver(api, xrn, creds, xml, users, call_id): """ Verify HRN and initialize the slice record in PLC if necessary. """ if Callids().already_handled(call_id): return "" hrn, type = urn_to_hrn(xrn) peer = None reg_objects = __get_registry_objects(xrn, creds, users) slices = Slices(api) peer = slices.get_peer(hrn) sfa_peer = slices.get_sfa_peer(hrn) registries = Registries(api) registry = registries[api.hrn] credential = api.getCredential() site_id, remote_site_id = slices.verify_site(registry, credential, hrn, peer, sfa_peer, reg_objects) slice = slices.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer, reg_objects) network = ViniNetwork(api) slice = network.get_slice(api, hrn) current = __get_hostnames(slice.get_nodes()) network.addRSpec(xml, "/var/www/html/schemas/vini.rng") #network.addRSpec(xml, "/root/SVN/sfa/trunk/sfa/managers/vini/vini.rng") request = __get_hostnames(network.nodesWithSlivers()) # remove nodes not in rspec deleted_nodes = list(set(current).difference(request)) # add nodes from rspec added_nodes = list(set(request).difference(current)) api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes) api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes) network.updateSliceTags() # xxx - check this holds enough data for the client to understand what's happened return network.toxml()
def CreateSliver(api, slice_xrn, creds, rspec_string, users, call_id): """ Create the sliver[s] (slice) at this aggregate. Verify HRN and initialize the slice record in PLC if necessary. """ if Callids().already_handled(call_id): return "" aggregate = Aggregate(api) slices = Slices(api) (hrn, type) = urn_to_hrn(slice_xrn) peer = slices.get_peer(hrn) sfa_peer = slices.get_sfa_peer(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(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) # ensure slice attributes exists slices.verify_slice_attributes(slice, requested_attributes) # add/remove slice from nodes requested_slivers = [str(host) for host in rspec.version.get_nodes_with_slivers()] slices.verify_slice_nodes(slice, requested_slivers, peer) # hanlde MyPLC peer association. # only used by plc and ple. slices.handle_peer(site, slice, persons, peer) return aggregate.get_rspec(slice_xrn=slice_xrn, version=rspec.version)