#!/bin/sh
# munin plugin to monitor the number of logged in users
# and the number of hosts they're spread across on a windows domain.
# uses output dump of "net sess" from the domain controller.
# (c) 2011 jon@jon.bpa.nu
#%# family=manual

SESSIONS="/srv/pub/kram/dud"

case $1 in
	config)
	cat <<CFG
graph_title windows domain
graph_vlabel users/hosts
graph_category network
users.label users
hosts.label hosts
CFG
	exit 0;;
esac

tail -n+5 "$SESSIONS" | head -n-2  | awk '$2 !~ "[\[\]\(\)\:;\"<>\*\+=\|\\/\?,]" { if(length($2)>=2) ua[tolower($2)] }
					  $1 !~ "\:" { ha[$1] }
					  END{ print "users.value",length(ua);
					  print "hosts.value",length(ha) }' 2>/dev/null