def run(self):
Compute.deregister_instance_dns()
Compute.register_instance_dns()
JBoxd.publish_perf_counters()
JBoxd.log_debug("Setting up signal handlers")
signal.signal(signal.SIGINT, JBoxd.signal_handler)
signal.signal(signal.SIGTERM, JBoxd.signal_handler)
if VolMgr.has_update_for_user_home_image():
VolMgr.update_user_home_image(fetch=False)
while True:
self.log_debug("JBox daemon waiting for commands...")
try:
offline, reply_req = JBoxd.QUEUE.poll(self._is_scheduled(JBoxAsyncJob.CMD_REQ_RESP, ()))
except ValueError:
self.log_exception("Exception reading command. Will retry after 10 seconds")
time.sleep(10)
continue
if offline:
try:
self.process_offline()
except:
self.log_exception("Exception scheduling request")
if reply_req:
JBoxd.schedule_thread(JBoxAsyncJob.CMD_REQ_RESP, JBoxd.process_and_respond, ())
def is_terminating():
if not JBoxCfg.get('cloud_host.scale_down'):
return False
num_active = BaseContainer.num_active()
terminate = (num_active == 0) and Compute.can_terminate(is_proposed_cluster_leader())
if terminate:
JBoxd.log_warn("terminating to scale down")
try:
Compute.deregister_instance_dns()
except:
JBoxd.log_error("Error deregistering instance dns")
Compute.terminate_instance()
return terminate
