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contrib-munin/plugins/disk/freebsd_hdd_power_state
Petteri Valkonen b194c86774 Fix indentation
2014-05-05 21:11:08 +03:00

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#!/bin/sh
#
# Plugin to monitor the power state of hard disk drives on FreeBSD.
#
# Configure the plugin to run as root by adding the following to
# /usr/local/etc/munin/plugin-conf.d/plugins.conf:
#
# [freebsd_hdd_power_state]
# user root
#
# You can also specify the monitored devices using the 'env.devices'
# environment variable, if autoconfiguration doesn't work for you:
#
# env.devices ada0 ada1 ada2 ada3 ada4 ada5 ada6 ada7
#
# Copyright (c) 2014, Petteri Valkonen <petteri.valkonen@iki.fi>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the copyright holder nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#%# family=auto contrib
#%# capabilities=autoconf
DEVICES=${devices:-$(iostat -x | tail -n +3 | egrep -o '^a?da[0-9]+')}
case $1 in
config)
cat <<EOM
multigraph $(basename $0)
graph_title HDD power state
graph_vlabel Power state
graph_args --upper-limit 1 -l 0
graph_scale no
graph_category disk
graph_info The power state of the hard disk drives on the system (1 is spun up, 0 is idle/standby).
EOM
echo $DEVICES | awk 'BEGIN{OFS=""} { for (i = 0; i++ < NF;) print "power", i, ".label ", $i }'
exit 0;;
autoconf)
if [ -z "$DEVICES" ] ; then
echo "no (no devices found)"
else
echo yes
fi
exit 0;;
esac
INDEX=1
set -- $DEVICES
for DEVICE in $@ ; do
STATE=$(camcontrol cmd $DEVICE -a "E5 00 00 00 00 00 00 00 00 00 00 00" -r - 2>/dev/null | awk '{print $10}')
if [ -z "$STATE" ] ; then
VALUE="-1"
else
VALUE=$(echo "$(echo "ibase=16; $STATE" | bc) / 255" | bc)
fi
printf "power%d.value %d\n" $INDEX $VALUE
INDEX=$(expr $INDEX + 1)
done