feat(setup): Add `fail2ban` sub-command `status <JAIL>` (#3455)

* Added status command to fail2ban setup script

* Switched to `printf` for command output

Co-authored-by: Casper <casperklein@users.noreply.github.com>

* Update docs/content/config/security/fail2ban.md

Co-authored-by: Casper <casperklein@users.noreply.github.com>

---------

Co-authored-by: Casper <casperklein@users.noreply.github.com>

docs/content/config/security/fail2ban.md

@@ -58,6 +58,12 @@ setup fail2ban
 
 the script will show all banned IP addresses.
 
+To get a more detailed `status` view, run
+
+```bash
+setup fail2ban status
+```
+
 ### Managing Bans
 
 You can manage F2B with the `setup` script. The usage looks like this:

target/bin/fail2ban

@@ -6,6 +6,7 @@ source /usr/local/bin/helpers/index.sh
 function __usage() {
   echo "Usage: ./setup.sh fail2ban [<ban|unban> <IP>]"
   echo "       ./setup.sh fail2ban log"
+  echo "       ./setup.sh fail2ban status"
 }
 
 fail2ban-client ping &>/dev/null || _exit_with_error "Fail2ban not running"
@@ -72,6 +73,12 @@ else
       cat /var/log/mail/fail2ban.log
       ;;
 
+    ( 'status' )
+      for JAIL in "${JAILS[@]}"; do
+        printf '%s\n\n' "$(fail2ban-client status "${JAIL}" 2>&1)"
+      done
+      ;;
+
     ( * )
       __usage
       _exit_with_error "Unknown command '${1}'"

target/bin/setup

@@ -60,6 +60,7 @@ ${RED}[${ORANGE}SUB${RED}]${ORANGE}COMMANDS${RESET}
         setup fail2ban ${CYAN}ban${RESET} <IP>
         setup fail2ban ${CYAN}unban${RESET} <IP>
         setup fail2ban ${CYAN}log${RESET}
+        setup fail2ban ${CYAN}status${RESET}
 
     ${LBLUE}COMMAND${RESET} debug ${RED}:=${RESET}
         setup debug ${CYAN}fetchmail${RESET}