Munin contributed plugins

#!/bin/bash

# Plugin to monitor harddrive temperatures connected to a MegaRAID controller

#

# Plugin must be ran as root so add these configuration in

#   /etc/munin/plugin-conf.d/munin-node.

#

# [megacli*]

# user root

#

# -----------

# 2011-06-10 ver 1.0

# - initial version

# TODO

# - allow override of tool path via config

# 32-bit or 64-bit

if [[ $( uname -a | grep x86_64 ) ]]

then

    MEGACLI='/opt/MegaRAID/MegaCli/MegaCli64'

else

    MEGACLI='/opt/MegaRAID/MegaCli/MegaCli'

fi

if [[ ! -x $MEGACLI ]]

then

    echo "FATAL ERROR: $MEGACLI not found or not executable!"

    exit 1

fi

declare -a output

IFS=$'\n'

output=($($MEGACLI -PDList -aALL -NoLog | grep -E 'Inquiry Data:|Drive Temperature' | cut -f2 -d:))

unset IFS

# TODO

# - if array size is odd, there's a problem, exit?

output_size=${#output[*]}

if [ "$1" = "config" ]

then

    echo 'graph_title MegaCli HDD temperature'

    echo 'graph_args --base 1000 -l 0'

    echo 'graph_vlabel temp in °C'

    echo 'graph_category sensors'

    i=0

    while [[ $i -lt $output_size ]]

    do

        if [ $((i % 2)) -eq 0 ]

        then

            label=$( echo ${output[$i]} | perl -ne \

                's/^\s*|\s*$//; print;' )

            # TODO:

            # - add other brands??

            # remove brand name, just model and serial number

            label_graph=$( echo ${output[$i]} | perl -ne \

                's/SEAGATE|MAXTOR|WDC//i; s/^\s*|\s*$//; print;' )

            echo $(echo $label | tr ' ' _).label $label_graph

        fi

        (( i++ ))

    done

    exit 0

fi

# print label and corresponding value

# - even -> label

# - odd  -> value

i=0

while [[ $i -lt $output_size ]]

do

    if [ $((i % 2)) -eq 0 ]

    then

        label=$( echo ${output[$i]} | perl -ne 's/^\s*|\s*$//; print;' )

        echo -n $(echo $label | tr ' ' _).value

    else

        value=$( echo ${output[$i]} | cut -f1 -dC )

        echo " $value"

    fi

    (( i++ ))

done