email-alertfs.bash

Nombre: email-alertfs.bash
Autor: @_tty0
Descripción: Script que monitorea el uso de disco.
Visto en tty0

#!/bin/bash
# -------------------------------------------------------------------------------------------------------
# set -x
# Shell script to monitor or watch the disk space
# It will send an email to $ADMIN, if the (free available) percentage of space is >= 90%.
# -------------------------------------------------------------------------------------------------------
# Set admin email so that you can get email.
ADMIN="somebody@foo.bar"
# set alert level 90% is default
ALERT=90
# Exclude list of unwanted monitoring, if several partions then use "|" to separate the partitions.
# An example: EXCLUDE_LIST="/dev/sdb1|/dev/sdc5"
EXCLUDE_LIST=""
#
#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
#

date=$(date "+%D %H:%m:%S")
function main_prog() 
{
 while read output;
 do
  usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1)
  partition=$(echo $output | awk '{print $2}')
  if [[ $usep -ge $ALERT ]] ; then
   echo -e "ALERT: $date \n\t Running out of space $partition ($usep%) on server: $(hostname)" | \
   mail -s "AACREA Alert: $(hostname) Almost out of disk space $usep%" $ADMIN
   logger -p local7.warn "Running out of space $partition ($usep) - Email sent to $ADMIN"  
  fi
 done
}

if [ "$EXCLUDE_LIST" != "" ] ; then
 df -H | grep -vE "^Filesystem|tmpfs|cdrom|${EXCLUDE_LIST}" | awk '{print $5 " " $6}' | main_prog
else
 df -H | grep -vE "^Filesystem|tmpfs|cdrom" | awk '{print $5 " " $6}' | main_prog
fi

Permisos: chmod 700 email-alertfs.bash 

Ejecución: ./email-alertfs.bash