Rephrases task conditional

nkakouros · nkakouros · commit bfce548c81a9 · 2020-01-05T19:42:11.000+01:00
diff --git a/tasks/system/firewall.yml b/tasks/system/firewall.yml
@@ -74,4 +74,4 @@
   notify: openvpn save iptables
   when:
     - iptables_nat_rules.stdout.find("vpn_masquerade") == -1
-    - openvpn_server | length > 0
+    - not openvpn_server
