MRTG Hard Disk iostat.txt
=========================

Public domain
********************************************************************************
    
**Incomplete**
    
    
    #!/bin/bash
    
    # Variables
    PATH="$PATH:/usr/local/mrtg-2/bin"
    CFG="/usr/local/mrtg-2/etc/mrtg-iostat.cfg"
    WRKDIR="/var/www/htdocs/iostat"
    HOST=$(hostname)
    UPTIME=$(cat /proc/uptime | sed -e 's,\..*,,')
    H=$(( $UPTIME / 3600 ))
    M=$(( ($UPTIME - $H * 3600) / 60  ))
    TMP=/tmp/stat.$$
    
    # This function appends configuration for a device
    # or a partition to config file
    append_to_config_file() {
    cat >> $CFG << EOF
    
    ################################################################################
    ##### ${DEV} ###################################################################
    ##### Device:         rrqm/s   wrqm/s   r/s   w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
    ##### ${LINE}
    ################################################################################
    
    
    
    Target[${DEV}_KBS]: \`printf "%s\n%s\n%s\n%s\n" ${RKBS} ${WKBS} ${H}:${M} ${HOST}\`
    Options[${DEV}_KBS]: gauge, nopercent, integer, unknaszero
    Title[${DEV}_KBS]: [${DEV}] Kilobits read/write per second
    PageTop[${DEV}_KBS]: <H1>[${DEV}] Kilobits read/write per second</H1>
    YLegend[${DEV}_KBS]: Kbits per second
    ShortLegend[${DEV}_KBS]: kbps
    Colours[${DEV}_KBS]: YELLOW#F9C000,RED#F90000,DARKGREEN#006600,VIOLET#FF00FF
    Legend1[${DEV}_KBS]: Kilobits read per second
    Legend2[${DEV}_KBS]: Kilobits write per second
    LegendI[${DEV}_KBS]: Read
    LegendO[${DEV}_KBS]: Write
    MaxBytes[${DEV}_KBS]: 100000
    
    Target[${DEV}_TIME]: \`printf "%s\n%s\n%s\n%s\n" ${AWAIT} ${SVCTM} ${H}:${M} ${HOST}\`
    Options[${DEV}_TIME]: gauge, nopercent, integer, unknaszero
    Title[${DEV}_TIME]: [${DEV}] Await / Service time
    PageTop[${DEV}_TIME]: <H1>[${DEV}] Await / Service time</H1>
    YLegend[${DEV}_TIME]: milliseconds
    ShortLegend[${DEV}_TIME]: ms
    Colours[${DEV}_TIME]: YELLOW#F9C000,RED#F90000,DARKGREEN#006600,VIOLET#FF00FF
    Legend1[${DEV}_TIME]: Await for issued requests
    Legend2[${DEV}_TIME]: service time for issued requests
    LegendI[${DEV}_TIME]: await
    LegendO[${DEV}_TIME]: svctm
    MaxBytes[${DEV}_TIME]: 100000
    
    Target[${DEV}_RRQMS]: \`printf "%s\n%s\n%s\n%s\n" ${RS} ${RRQMS} ${H}:${M} ${HOST}\`
    Options[${DEV}_RRQMS]: gauge, nopercent, integer, unknaszero
    Title[${DEV}_RRQMS]: [${DEV}] Read requests issued/queued per second
    PageTop[${DEV}_RRQMS]: <H1>[${DEV}] Read requests issued/queued per second</H1>
    YLegend[${DEV}_RRQMS]: req / sec
    ShortLegend[${DEV}_RRQMS]: req
    Colours[${DEV}_RRQMS]: YELLOW#F9C000,RED#F90000,DARKGREEN#006600,VIOLET#FF00FF
    Legend1[${DEV}_RRQMS]: Issued requests per second
    Legend2[${DEV}_RRQMS]: Queued requests per second
    LegendI[${DEV}_RRQMS]: Issued
    LegendO[${DEV}_RRQMS]: Queued
    MaxBytes[${DEV}_RRQMS]: 100000
    
    Target[${DEV}_WRQMS]: \`printf "%s\n%s\n%s\n%s\n" ${WS} ${WRQMS} ${H}:${M} ${HOST}\`
    Options[${DEV}_WRQMS]: gauge, nopercent, integer, unknaszero
    Title[${DEV}_WRQMS]: [${DEV}] Write requests issued/queued per second
    PageTop[${DEV}_WRQMS]: <H1>[${DEV}] Write requests issued/queued per second</H1>
    YLegend[${DEV}_WRQMS]: req / sec
    ShortLegend[${DEV}_WRQMS]: req
    Colours[${DEV}_WRQMS]: YELLOW#F9C000,RED#F90000,DARKGREEN#006600,VIOLET#FF00FF
    Legend1[${DEV}_WRQMS]: Issued requests per second
    Legend2[${DEV}_WRQMS]: Queued requests per second
    LegendI[${DEV}_WRQMS]: Issued
    LegendO[${DEV}_WRQMS]: Queued
    MaxBytes[${DEV}_WRQMS]: 100000
    
    
    EOF
    }
    
    
    # Main function
    
    iostat -dkx | egrep -v "^ *$|^Device:|$(hostname)"> ${TMP}
    mkdir -p "${WRKDIR}"
    echo "workdir: ${WRKDIR}" > ${CFG}
    
    for DEV in $(cat ${TMP} | awk '{print$1}'); do
      LINE=$(grep "${DEV} " ${TMP})
      RRQMS=$(echo $LINE | awk '{print$2}')
      WRQMS=$(echo $LINE | awk '{print$3}')
      RS=$(echo $LINE | awk '{print$4}')
      WS=$(echo $LINE | awk '{print$5}')
      RKBS=$(echo "$(echo $LINE | awk '{print$6}') * 8" | bc)
      WKBS=$(echo "$(echo $LINE | awk '{print$7}') * 8" | bc)
      AVGRQSZ=$(echo $LINE | awk '{print$8}')
      AVGQUSZ=$(echo $LINE | awk '{print$9}')
      AWAIT=$(echo $LINE | awk '{print$10}')
      SVCTM=$(echo $LINE | awk '{print$11}')
      UTIL=$(echo $LINE | awk '{print$12}')
      #echo $DEV $RRQMS $WRQMS $RS $WS $RKBS $WKBS $AVGRQSZ $AVGQUSZ $AWAIT $SVCTM $UTIL
      append_to_config_file
    done
    
    rm -f ${TMP}
    indexmaker ${CFG} > ${WRKDIR}/index.html
    mrtg ${CFG}
    
********************************************************************************
_BY: Pejman Moghadam_  
_TAG: mrtg, bash, bash-script_  
_DATE: 2010-09-22 14:00:51_