fail2ban: add roundcube filter

fail2ban/defaults/main.yml

@@ -3,3 +3,4 @@ general_alert_email: "root@localhost"
 fail2ban_alert_email: Null
 fail2ban_ignore_ips: []
 fail2ban_wordpress: False
+fail2ban_roundcube: False

fail2ban/files/roundcube.conf

@@ -0,0 +1,2 @@
+[Definition]
+failregex = Login failed for .*. from <HOST>

fail2ban/tasks/main.yml

@@ -32,6 +32,7 @@
     - sasl-evolix.conf
     - wordpress-soft.conf
     - wordpress-hard.conf
+    - roundcube.conf
   notify: restart fail2ban
   tags:
     - fail2ban

fail2ban/templates/jail.local.j2

@@ -44,3 +44,12 @@ logpath = /var/log/auth.log
 maxretry = 5
 findtime = 300
 {% endif %}
+
+{% if fail2ban_roundcube %}
+[roundcube]
+enabled  = true
+port     = http,https
+filter   = roundcube
+logpath  = /var/lib/roundcube/logs/errors
+maxretry = 5
+{% endif %}