killing rabbit using the rabbitmq user

playbooks/roles/rabbitmq/tasks/main.yml

@@ -21,7 +21,7 @@
 # in case there are lingering processes, ignore errors
 # silently
 - name: rabbitmq | send sigterm to any running rabbitmq processes
-  shell: killall beam rabbitmq-server epmd || true
+  shell: pkill -u rabbitmq || true
 
 # Defaulting to /var/lib/rabbitmq
 - name: rabbitmq | create cookie directory