Update frmatting for tasks and handlers related to firewall

roles/common/handlers/firewall.yml

@@ -1,2 +1,4 @@
-- name: Apply firewall rules (ferm)
-  service: name=ferm state=reloaded
+- name: 'Apply firewall rules (ferm)'
+  service:
+    name: 'ferm'
+    state: 'reloaded'

roles/common/tasks/firewall.yml

@@ -1,10 +1,18 @@
-- name: Install firewall package (ferm)
-  apt: pkg={{ item }} state=installed update_cache=yes
+- name: 'Install firewall package (ferm)'
+  apt:
+    pkg: '{{ item }}'
+    state: 'installed'
+    update_cache: 'yes'
   with_items:
-    - linux-image-{{ facter_architecture }}
-    - ferm
+    - 'linux-image-{{ facter_architecture }}'
+    - 'ferm'
 
-- name: Install firewall configuration (ferm.conf)
-  template: src=ferm/ferm.conf.j2 dest=/etc/ferm/ferm.conf owner=root group=root mode=0644
+- name: 'Install firewall configuration (ferm.conf)'
+  template:
+    src: 'ferm/ferm.conf.j2'
+    dest: '/etc/ferm/ferm.conf'
+    owner: 'root'
+    group: 'root'
+    mode: '0644'
   notify:
-    - Apply firewall rules (ferm)
+    - 'Apply firewall rules (ferm)'