Test shutdown.

thermostat.py

@@ -162,9 +162,14 @@ stop = Event()
 
 def handler(signum, frame):
   global stop
+  global t1
+  global dbconn
   logging.info("Got interrupt: "+str(signum))
   stop.set()
   logging.info("Shutdown")
+  t1.join()
+  dbconn.close()
+  exit(0)
 
 signal.signal(signal.SIGTERM,handler)
 signal.signal(signal.SIGINT,handler)
@@ -383,9 +388,6 @@ def thermostat_loop():
     time.sleep(load_shedder_interval)
   logging.info("====== Ended successfully ======")
 
-xprint('toto1')
 t1 = Thread(target=thermostat_loop)
 t1.start()
-xprint('toto2')
 gunicorn_app = app
-xprint('toto3')