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
