#!/bin/sh
# 
# Plugin to monitor the number of open files in the system.
#
# Parameters:
# 	
# 	config   (required)
# 	autoconf (optional - used by munin-config)
#
# $Log: open_files.in,v $
# Revision 1.1  2004/01/02 18:50:01  jimmyo
# Renamed occurrances of lrrd -> munin
#
# Revision 1.1.1.1  2004/01/02 15:18:07  jimmyo
# Import of LRRD CVS tree after renaming to Munin
#
# Revision 1.2  2003/11/07 17:43:16  jimmyo
# Cleanups and log entries
#
#
#
# Magic markers (Used by munin-config and some installation scripts.
# Optional):
#
#%# family=auto
#%# capabilities=autoconf



if [ "$1" = "autoconf" ]; then
	if [ -r /proc/sys/fs/file-nr ]; then
		echo yes
		exit 0
	else
		echo no
		exit 1
	fi
fi

if [ "$1" = "config" ]; then

	echo 'graph_title File table usage'
	echo 'graph_args --base 1000 -l 0'
	echo 'graph_vlabel number of open files'
	echo 'used.label open files'
	echo 'max.label max open files'
	awk  '{printf "used.warning %d\nused.critical %d\n",$3*0.92,$3*0.98}' < /proc/sys/fs/file-nr
	exit 0
fi

awk '{print "used.value " $1-$2 "\nmax.value " $3}' < /proc/sys/fs/file-nr
