+ peer = slices.get_peer(hrn)
+ sfa_peer = slices.get_sfa_peer(hrn)
+ registry = api.registries[api.hrn]
+ credential = api.getCredential()
+ (site_id, remote_site_id) = slices.verify_site(registry, credential, hrn,
+ peer, sfa_peer, reg_objects)
+
+ slice_record = slices.verify_slice(registry, credential, hrn, site_id,
+ remote_site_id, peer, sfa_peer, reg_objects)
+
+ network = Network(api)
+
+ slice = network.get_slice(api, hrn)
+ slice.peer_id = slice_record['peer_slice_id']
+ current = __get_hostnames(slice.get_nodes())
+
+ network.addRSpec(rspec, api.config.SFA_AGGREGATE_RSPEC_SCHEMA)
+ 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))
+
+ try:
+ if peer:
+ api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
+
+ api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
+ api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
+
+ network.updateSliceTags()
+
+ finally:
+ if peer:
+ api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
+ slice.peer_id)
+
+ # xxx - check this holds enough data for the client to understand what's happened
+ return network.toxml()
+
+
+def renew_slice(api, xrn, creds, expiration_time):
+ hrn, type = urn_to_hrn(xrn)
+ slicename = hrn_to_pl_slicename(hrn)
+ slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
+ if not slices:
+ raise RecordNotFound(hrn)
+ slice = slices[0]
+ requested_time = utcparse(expiration_time)
+ record = {'expires': int(time.mktime(requested_time.timetuple()))}
+ api.plshell.UpdateSlice(api.plauth, slice['slice_id'], record)
+ return 1