style: fix to conform yamllint test

.kitchen.yml

@@ -1,3 +1,4 @@
+---
 driver:
   name: docker_cli
 
@@ -16,7 +17,7 @@ provisioner:
 platforms:
   - name: debian-9
     driver_config:
-      image: nishiki/debian9:ansible-<%= ENV['ANSIBLE_VERSION'] ? ENV['ANSIBLE_VERSION'] : '2.6' %>
+      image: "nishiki/debian9:ansible-<%= ENV['ANSIBLE_VERSION'] ? ENV['ANSIBLE_VERSION'] : '2.6' %>"
       command: /bin/systemd
       volume:
         - /sys/fs/cgroup:/sys/fs/cgroup:ro

.rubocop.yml

@@ -1,4 +1,4 @@
-
+---
 AllCops:
   Exclude:
     - db/**/*

defaults/main.yml

@@ -1,3 +1,4 @@
+---
 fail2ban_blocktype: DROP
 fail2ban_bantime: 600
 fail2ban_findtime: 600

handlers/main.yml

@@ -1,2 +1,3 @@
+---
 - name: restart fail2ban
   service: name=fail2ban state=restarted

meta/main.yml

@@ -1,3 +1,4 @@
+---
 galaxy_info:
   role_name: fail2ban
   author: Adrien Waksberg

tasks/main.yml

@@ -1,3 +1,4 @@
+---
 - name: install fail2ban packages
   apt:
     name: '{{ item }}'

test/integration/fail2ban/default.yml

@@ -1,3 +1,4 @@
+---
 - hosts: fail2ban
   connection: local
   vars: