Minor change to avoid an alert on Alpine with allowipv6

tasks/config_fail2ban.yml

@@ -20,6 +20,17 @@
     line: '[iI](?:llegal|nvalid) user <F-USER>.*?</F-USER> from <HOST>%(__suff)s$'
     state: present
 
+# There was an error message with the restart of fail2ban on Alpine systems without that change.
+# Also, it makes sure ipv6 is being analysed.
+- name: Ensure [Definition] section and allowipv6 are present
+  blockinfile:
+    path: /etc/fail2ban/fail2ban.conf
+    block: |
+      [Definition]
+      allowipv6 = yes
+    marker: "# {mark} ANSIBLE MANAGED BLOCK"
+  when: "'[Definition]' not in lookup('file', '/etc/fail2ban/fail2ban.conf') or 'allowipv6 =' not in lookup('file', '/etc/fail2ban/fail2ban.conf')"
+
 # Updating fail2ban to be able to work with the way our nftables work
 - name: Deploy custom nftables action for Fail2Ban
   template:
@@ -41,4 +52,4 @@
     name: "Update logpath and reload fail2ban at midnight"
     minute: "0"
     hour: "0"
-    job: 'sleep 5 && /usr/local/bin/current_date_logpath && {% if ansible_os_family == "Alpine" %}service fail2ban restart{% else %}systemctl reload fail2ban{% endif %}'
+    job: 'sleep 5 && /usr/local/bin/current_date_logpath && fail2ban-client reload'