Script Munin pour créer un graph des lignes isdn occupées

. $MUNIN_LIBDIR/plugins/plugin.sh

if [ "$1" = "autoconf" ]; then
        echo yes
        exit 0
fi

# If run with the "config"-parameter, give out information on how the
# graphs should look.

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

        # The host name this plugin is for. (Can be overridden to have
        # one machine answer for several)

        # The title of the graph
        echo 'graph_title ISDN Channels'
        # Arguments to "rrdtool graph". In this case, tell it that the
        # lower limit of the graph is '0', and that 1k=1000 (not 1024)
        echo 'graph_args --base 1000 -l 0'
        # The Y-axis label
        echo 'graph_vlabel channels'
        # We want Cur/Min/Avg/Max unscaled (i.e. 0.42 load instead of
        # 420 milliload)
        echo 'graph_scale no'
        # Graph category. Defaults to 'VOIP'
        echo 'graph_category VOIP'
        # The fields. "label" is used in the legend. "label" is the only
        # required subfield.
        echo 'chbusy.label chbusy'
    echo 'chtotal.label chtotal'

        # Last, if run with the "config"-parameter, quit here (don't
        # display any data)
        exit 0
fi

OID="iso.3.6.1.2.1.10.20.1.2.1.1.2"
community="public"
host="10.254.1.254"

nbcalls=0
nbchan=0
newoid=$OID
regex="iso\.3\.6\.1\.2\.1\.10\.20\.1\.2\.1\.1\.2"
while [[ $newoid =~ $regex ]];
do
    res=$(snmpgetnext -c $community -v 2c $host $newoid)
    newoid=$(echo $res | cut -d"=" -f1)
    if [[ $newoid =~ $regex ]]; then
        #echo $res
    nbchan=$((nbchan+1))
        state=$(echo $res | cut -d" " -f4)
        if [[ $state != "1" ]]; then
           nbcalls=$((nbcalls+1)) 
        fi
        #echo $state
    fi
done
echo "chbusy.value "$nbcalls
echo "chtotal.value "$nbchan