Update Firewall role to latest version - fix idempotence.

Author: geerlingguy

provisioning/requirements.yml

@@ -26,7 +26,7 @@
 - src: geerlingguy.elasticsearch
   version: 2.1.3
 - src: geerlingguy.firewall
-  version: 2.1.1
+  version: 2.1.2
 - src: geerlingguy.git
   version: 1.2.1
 - src: geerlingguy.java

provisioning/roles/geerlingguy.firewall/tasks/disable-other-firewalls.yml

@@ -3,6 +3,7 @@
   shell: yum list installed firewalld
   register: firewalld_installed
   ignore_errors: true
+  changed_when: false
   when: ansible_os_family == "RedHat" and firewall_disable_firewalld
 
 - name: Disable the firewalld service (on RHEL, if configured).
@@ -16,6 +17,7 @@
   shell: dpkg -l ufw
   register: ufw_installed
   ignore_errors: true
+  changed_when: false
   when: ansible_distribution == "Ubuntu" and firewall_disable_ufw
 
 - name: Disable the ufw firewall (on Ubuntu, if configured).