Monitoring /proc/user_beancounters with email

Introduction

This script gives a warning if any parameter in a virtual environment (VZ) exceed 80% of resources.

packages basic installation

  aptitude install nail gawk 

nail configuration

 Configures    /etc/nailrc  or  ~/.mailrc  files.

set smtp=smtp.server.org
set from=nail@smtp.server.org
set charset=iso-8859-1

configuration

Copy the script and configure the /etc/crontab

Script resource

<source lang=bash>

1. !/bin/bash resource.sh
2. Copyright (C) 2008 Mgual
3. Distributed under to GNU General Public License v3
4. v0.1 2008-08-13
5. Ajuntament de Benicarló

1. !/bin/bash

echo "" | gawk -vVZ='ID' -vRESOURCE='Parametre' -vPBARRIER='%bar' -vPLIMIT='%lim' '

               {
                       printf "%3s %-20s %3s %3s \n", VZ, RESOURCE , PBARRIER, PLIMIT  > "/tmp/beancounters"
               }
       '

gawk '

       /dummy/||/Version/||/uid/ { next }
       ! /:/ {
               RESOURCE=$1
               MAXHELD=$3
               BARRIER=$4
               LIMIT=$5
             }
       /:/  {  gsub(/:/, "", $1)
               printf "------- %s ------- \n",$1
               VZ=$1
               RESOURCE=$2
               MAXHELD=$4
               BARRIER=$5
               LIMIT=$6
             }
       {
               #printf "R=%s M=%s B=%s L=%s ", RESOURCE, MAXHELD, BARRIER, LIMIT
               if (BARRIER>0) {
                       PBARRIER=MAXHELD*100/BARRIER
               } else {
                       PBARRIER=0
               }
               if (LIMIT>0) {
                       PLIMIT=MAXHELD*100/LIMIT
               } else {
                       PLIMIT=0
               }
               printf "%-20s %3d %3d ", RESOURCE , PBARRIER, PLIMIT
               if (PBARRIER>=80)  {
                       printf " Perill "
                       printf "%3d %-20s %3d %3d Perill\n", VZ, RESOURCE , PBARRIER, PLIMIT >> "/tmp/beancounters"
               }
               printf "\n"
       }
       ' /proc/user_beancounters

echo "---------------------------------------------------" >> /tmp/beancounters echo "" | gawk -vVZ='ID' -vRESOURCE='Use%' '

              {
                       printf "%3s %-20s \n", VZ, RESOURCE  >> "/tmp/beancounters"
               }
       '

1. Quota Disc

for i in $(vzlist | cut -d" " -f 8) do

       vzctl exec $i df -h |  gawk -vVEID=$i '/^simfs/ { if ($5 > "80%") { printf "%s %s\n", VEID, $5 }  }' >>/tmp/beancounters

done

echo "---------------------------------------------------" >> /tmp/beancounters echo "" | gawk -vVZ='ID' -vRESOURCE='IUse%' '

              {
                       printf "%3s %-20s \n", VZ, RESOURCE  >> "/tmp/beancounters"
               }
       '

for i in $(vzlist | cut -d" " -f 8) do

       vzctl exec $i df -i |  gawk -vVEID=$i '/^simfs/ { if ($5 > "80%") { printf "%s %s\n", VEID, $5 }  }' >>/tmp/beancounters

done

if wc -l)" != "5"  ; then

       cat /tmp/beancounters   |  nail -s Server:resource.sh perill@smtp-server.org

fi