#!/bin/bash
#
# Script to monitor iostat cpu|tps.
#
# Parameters understood:
#
#       config   (required)
#       autoconf (optional - used by munin-config)

judge=`basename $0 | sed 's/^iostat_//g'`
current=`date +%H":"%M":"%S`;
tenMago=`date --date "10 minutes ago" +%H":"%M":"%S`
export LANG=en_US.UTF-8

# autoconf

if [ "$1" == "autoconf" ]; then
   if ( sar 1 1 >/dev/null 2>&1 ); then
      echo yes
   else
      if [ $? -eq 127 ]; then
         echo "no (could not run \"sar\")"
      else
         echo no
      fi
   fi
   exit 0
fi

ARRAY=( `sar -p -d -s ${tenMago} -e ${current} | grep -v nodev | grep "Average" | awk '{ print $2 , $3 , $10 }'` )

# config

if [ "$1" == "config" ]; then
        if [ "$judge" == cpu_average ]; then
        echo 'graph_title iostat util'
        echo 'graph_args --upper-limit 100 -l 0'
        echo 'graph_vlabel %'
        echo 'graph_category System'
                for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do
                echo "_dev_${ARRAY[i]}.label ${ARRAY[i]}"
                i=`expr $i + 2`
                done
        exit 0
        fi

        if [ "$judge" == tps_average ]; then
        echo 'graph_title iostat tps'
        echo 'graph_args -l 0'
        echo 'graph_vlabel tps'
        echo 'graph_category System'
                for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do
                echo "_dev_${ARRAY[i]}.label ${ARRAY[i]}"
                i=`expr $i + 2`
                done
        exit 0
        fi
fi

# other

if [ "$judge" == cpu_average ]; then
for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do
        echo -n "_dev_${ARRAY[i]}.value "
        i=`expr $i + 2`
        echo "${ARRAY[i]}"
done
fi

if [ "$judge" == tps_average ]; then
for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do
        echo -n "_dev_${ARRAY[i]}.value "
        i=`expr $i + 1`
        echo "${ARRAY[i]}"
        i=`expr $i + 1`
done
fi