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contrib-munin/plugins/network/dhcpd-pools
2014-09-06 23:37:15 +02:00

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2.5 KiB
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#!/bin/bash
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Written by Daniele Albrizio <daniele@albrizio.it> march 2014
# Requires dhcpd-pools - ISC dhcpd pools usage analysis http://dhcpd-pools.sourceforge.net/
#
####
#%# family=manual
#%# capabilities=autoconf,multigraph
export WARN=85
export CRIT=98
DHCPD_POOLS_BIN=/usr/local/bin/dhcpd-pools
DHCPDCONF=/etc/dhcp3/dhcpd.conf
if [ "$1" = "autoconf" ]; then
echo yes
exit 0
fi
$DHCPD_POOLS_BIN -c $DHCPDCONF --minsize=15 --limit=01 -fc | grep -v "^$" | sort | sed 's/","/\t/g' | sed 's/"//g' |\
while read SCOPENAME IPSTART IPSTOP POOLMAX POOLCUR PERCENT TOUCH TC TCPERCENT BU BUPERCENT
do
IPSTARTUS=`echo $IPSTART | sed 's/\./_/g'`
let POOLWARN=${POOLMAX}*${WARN}/100
let POOLCRIT=${POOLMAX}*${CRIT}/100
let GRAPHTOP=${POOLMAX}*110/100
if [ "$1" = "config" ]; then
echo "multigraph ${SCOPENAME}_$IPSTARTUS"
echo "graph_title $SCOPENAME $IPSTART -> $IPSTOP (${POOLMAX})"
echo "graph_args --base 1000 -l 0 --upper-limit $GRAPHTOP"
echo "graph_vlabel Active Leases"
echo "graph_scale no"
echo "graph_category network"
echo "pool.label $SCOPENAME Active Leases"
echo "pool.info Pool utilization"
echo "pool.type GAUGE"
echo "pool.min 0"
echo "pool.max $POOLMAX"
echo "pool.colour 00ff00"
echo "pool.draw AREA"
echo "pool.warning $POOLWARN"
echo "pool.line $POOLWARN:ffc000:$WARN%"
echo "pool.critical $POOLCRIT"
echo "pool_fover.label Peer available leases"
echo "pool_fover.colour aaaaaa"
echo "pool_fover.draw LINESTACK1"
echo "pool_fover.type GAUGE"
echo "pool_fover.line $POOLCRIT:ff0000:$CRIT%"
echo "#"
else
echo "multigraph ${SCOPENAME}_$IPSTARTUS"
echo "pool.value $POOLCUR"
echo "pool_fover.value $BU"
fi
done