DEV: allows $parent_id/$port

DEV: allows $parent_id/$port

diff --git a/.rubocop.yml b/.rubocop.yml
index 9d48791..e59c8b3 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,5 +2,7 @@ inherit_from: https://raw.githubusercontent.com/discourse/discourse/master/.rubo
 
 Style/GlobalVars:
   AllowedVariables: [
-    $prometheus_client
+    $prometheus_client,
+    $parent_pid,
+    $port
   ]

GitHub sha: fdecf369