exit if certbot fails

files/geant_acme.py

@@ -117,6 +117,7 @@ def run_certbot(cbot_domain, provider, wild_card=None):
     cbot_out, cbot_err = cbot_child.communicate()
     if cbot_child.returncode != 0:
         msg = "error running certbot: {}".format(cbot_err.decode("utf-8"))
+        os_exit()
     else:
         decoded_msg = cbot_out.decode("utf-8")
         msg = decoded_msg[:decoded_msg.rfind('\n')]