78 lines
1.8 KiB
Plaintext
78 lines
1.8 KiB
Plaintext
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#!/bin/sh
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#
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# OpenBSD's pf(4) monitoring for OpenBSD
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# 2007, Originally by Gergely Czuczy <phoemix@harmless.hu>
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# for FreeBSD systems. Ported and splitted by the
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# immerda admin team admin(at)immerda.ch
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# this version is adapted for openbsd and is only tested on
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# openbsd systems.
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#
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# Needs to run as root.
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# Add "user root" for the [pf] into plugins.conf.
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#
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# Options:
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# - env.do_searches yes: to enable state table search monitoring`
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#
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#%# family=auto
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#%# capabilities=autoconf
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pfctl='/sbin/pfctl'
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case $1 in
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config)
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cat <<EOF
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graph_title OpenBSD pf state statistics
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graph_vlabel Entries per second
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graph_scale no
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graph_category network
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graph_args -l 0
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graph_info OpenBSD's pf state statistics
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states.label States
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states.type GAUGE
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searches.label Searches
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searches.min 0
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searches.type DERIVE
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EOF
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${pfctl} -sm 2> /dev/null | awk '
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/states/ {print "states.warning "$4*0.9; print "states.critical "$4*0.95}'
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exit 0
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;;
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autoconf)
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# FreeBSD
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ostype=`uname -s`
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if [ ${ostype} = "FreeBSD" ]; then
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# pf(4) module loaded?
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if [ `kldstat -v | grep pf | wc -l` -eq 0 ]; then
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echo "no (pf(4) is not loaded)"
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exit 1
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fi
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# enabled?
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if [ `pfctl -si 2>/dev/null | awk '/^Status:/{print $2}'` != "Enabled" ]; then
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echo "no (pf(4) is not enabled, consult pfctl(8)"
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exit 1
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fi
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# OpenBSD
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elif [ ${ostype} = "OpenBSD" ]; then
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# enabled?
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if [ `pfctl -si 2>/dev/null | awk '/^Status:/{print $2}'` != "Enabled" ]; then
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echo "no (pf(4) is not enabled, consult pfctl(8)"
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exit 1
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fi
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# Other OSes
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else
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echo "no (this plugin is not supported on your OS)"
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exit 1
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fi
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echo "yes"
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exit 0
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;;
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suggest)
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exit 0;
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;;
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esac
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#
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${pfctl} -si 2>/dev/null | awk '
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/current entries/{print "states.value",$3}
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/searches/ { print "searches.value",$2}'
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