Initial version

plugins/other/fail2ban_

@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# Wildcard-plugin to monitor bans on Fail2ban jails. To monitor an jail, link
+# fail2ban_<jail> to this file. E.g.
+
+#    ln -s /usr/share/node/node/plugins-auto/fail2ban_
+#    /etc/munin/node.d/fail2ban_ssh-iptables
+
+# Magic markers (optional - used by munin-config and some installation
+# scripts):
+
+#%# family=auto
+#%# capabilities=autoconf
+
+JAIL=${0##*/fail2ban_}
+
+case $1 in
+	autoconf)
+		if [ -x $(which fail2ban-client) ]; then
+			echo yes
+			exit 0
+		else
+			echo no
+			exit 1
+		fi
+		;;
+	config)
+		echo "graph_title Fail2ban - $JAIL"
+		echo 'graph_vlabel active bans'
+		echo 'graph_category network'
+		echo 'graph_info This graph shows the amount of bans caught by Fail2ban'
+		echo "fail2ban.label $JAIL"
+		echo 'fail2ban.type GAUGE'
+		echo 'fail2ban.info The number of current bans.'
+		exit 0
+		;;
+esac
+
+echo -n "fail2ban.value "
+$(which fail2ban-client) status $JAIL|awk '/Currently banned:/ { print $NF }'