#!/bin/bash

dir=/loc_data
if [ "$HOSTNAME" == "daq" ]
then
   dir=/raid10
fi

# get current hour
hour=`date +%k`
# define disk space limit for check depending on the time
if [ $hour -lt 8 ] || [ $hour -gt 15 ]
then
   ## check 200 GB
   #dulimit=209715200
   #dutext="200 GB"
   # check 500 GB
   dulimit=524288000
   dutext="500 GB"
else
   ## check 500 GB
   #dulimit=524288000
   #dutext="500 GB"
   # check 1 TB
   dulimit=1048576000
   dutext="1 TB"
fi

# get available disk space
diskusage=( `df -P $dir | grep $dir ` )
# check if more than X GB are left on /loc_data
if [ ${diskusage[3]} -lt $dulimit ] 
then
   echo "WARN less than "$dutext" left on /loc_data on node "$HOSTNAME
   df -h $dir
fi