Add fail2ban role and clean up yaml lint noise

roles/ensure_mariadb/handlers/main.yml

@@ -1,17 +1,17 @@
 ---
 # handlers file for ensure_mariadb
-- name: 'ensure_mariadb.package_facts'
+- name: ensure_mariadb.package_facts
   ansible.builtin.package_facts:
-- name: 'ensure_mariadb.service_facts'
+- name: ensure_mariadb.service_facts
   ansible.builtin.service_facts:
-- name: 'ensure_mariadb.service_reload'
+- name: ensure_mariadb.service_reload
   when:
     - ansible_facts["system"] == 'Linux'
     - ansible_facts["service_mgr"] == 'systemd'
     - ensure_mariadb is defined
   ansible.builtin.systemd:
     daemon_reload: 'yes'
-- name: 'ensure_mariadb.service_restart'
+- name: ensure_mariadb.service_restart
   when:
     - ansible_facts["system"] == 'Linux'
     - ensure_mariadb is defined
@@ -21,8 +21,7 @@
   ansible.builtin.service:
     enabled: '{{ item.enabled }}'
     name: '{{ item.name }}'
-    state: 'restarted'
+    state: restarted
   loop: '{{ ensure_mariadb.service_list }}'
   loop_control:
     label: '{{ item.name }} will be restarted'
-...