change(fail2ban): add extension to file and set better thresholds

templates/nrpe.cfg.j2

@@ -41,7 +41,7 @@ command[check_version]=/usr/lib/nagios/custom-plugins/check_version.sh
 {% if inventory_hostname in groups.docker | default([]) and inventory_hostname not in groups.docker_nextcloud | default([]) %}
 {% set fail2ban_jails = fail2ban_jails + ['traefik-auth'] %}
 {% endif %}
-command[check_fail2ban]=/usr/lib/nagios/custom-plugins/check_fail2ban.sh {{ fail2ban_jails | join(',') }}
+command[check_fail2ban]=/usr/lib/nagios/custom-plugins/check_fail2ban.sh --warning 250 --critical 500 {{ fail2ban_jails | join(',') }}
 {% if inventory_hostname in groups.docker_gitlab | default([]) %}
 command[check_procs_sshd]=/usr/lib/nagios/plugins/check_procs -w 4 -c 2: -C sshd -a -D
 {% else %}

vars/main.yml

@@ -4,7 +4,7 @@ nagios_plugins_version: "2.3.3"
 plugins_to_download:
   - name: check_docker.sh
     url: https://sources.le-filament.com/lefilament/nagios-plugin/-/raw/master/check_docker.sh
-  - name: check_fail2ban
+  - name: check_fail2ban.sh
     url: https://sources.le-filament.com/lefilament/nagios-plugin/-/raw/master/check_fail2ban.sh
   - name: check_gitlab.rb
     url: https://sources.le-filament.com/lefilament/nagios-plugin/-/raw/master/check_gitlab.rb