def desired_status(self): """Get the desired status. Will download and compile status if necessary.""" if self._desired_status is None: services = context.machination_worker_elt.xpath("services/service") # TODO download from all services and merge. For now just # do the first one. # hurl = services[0].xpath('hierarchy/@id') service_id = services[0].get("id") l.lmsg('Connecting to service "{}"'.format(service_id)) # find the machination id for this service mid = context.get_id(service_id) wc = WebClient.from_service_id(service_id, "os_instance") # channel = wc.call("ProfChannel", 'os_instance') try: data = wc.call("GetAssertionList", "os_instance", mid) except: # couldn't dowload assertions - go with last desireed # status. Should already be canonicalized. l.wmsg("Failed to download assertions - using desired status from context.") self._desired_status = copy.deepcopy(context.desired_status.getroot()) else: # we do have some assertions - compile them # pprint.pprint(data) ac = AssertionCompiler(wc) self._desired_status, res = ac.compile(data) mc14n(self._desired_status) # Save as desired-status.xml with open(os.path.join(context.status_dir(), "desired-status.xml"), "w") as ds: ds.write(etree.tostring(self._desired_status, pretty_print=True).decode()) return self._desired_status