Merge pull request #2851 from mtnbikenc/os_firewall-fix

Systemd `systemctl show` workaround

roles/os_firewall/tasks/firewall/firewalld.yml

@@ -13,7 +13,7 @@
     - iptables
     - ip6tables
   register: task_result
-  failed_when: "task_result|failed and 'Could not find' not in task_result.msg"
+  failed_when: "task_result|failed and 'could not' not in task_result.msg|lower"
 
 - name: Start and enable firewalld service
   systemd:

roles/os_firewall/tasks/firewall/iptables.yml

@@ -7,7 +7,7 @@
     enabled: no
     masked: yes
   register: task_result
-  failed_when: "task_result|failed and 'Could not find' not in task_result.msg"
+  failed_when: "task_result|failed and 'could not' not in task_result.msg|lower"
 
 - name: Install iptables packages
   package: name={{ item }} state=present