Update the script and add the logic to detect and warn the u

Update the script and add the logic to detect and warn the user if the disk usage is above 80%

#! /bin/bash

LOGFILE=\"diskusage.log\"

if [[ -n $1 ]]
then
   $LOGFILE=$1
fi

if [ ! -e $LOGFILE ]

then

   printf \"%-10s %-14s %-10s %-6s %-6s %-6s %-6s\ \" \"Date\" \"IP Address\" \"Device\" \"Capacity\" \"Used\" \"Free\" \"Percentage\" > $LOGFILE
fi

IP_LIST=\"10.10.10.2\"
(
for ip in $IP_LIST;
do
   ssh client@$ip \'df -H\' | grep ^/dev/ > /tmp/$$.df
   while read line;   
   do
   cur_date=$(date +%D)
   printf \"%-10s %-14s\" $cur_date $ip
   echo $line | awk \'{ printf( \"%-10s %-6s %-6s %-6s %-6s\ \", $1,$2,$3,$4,$5);}\'
   done < /tmp/$$.df
done
) >> $LOGFILE

Solution

*******************************************Script************************************************

#! /bin/bash

dt=`date +%D`

df -h > /tmp/$$.df
  
LOGFILE=\"diskusage.log\"
if [[ -n $1 ]]
then
$LOGFILE=$1
fi
if [ ! -e $LOGFILE ]
then
printf \"%-10s %-14s %-10s %-6s %-6s %-6s %-6s\ \" \"Date\" \"IP Address\" \"Device\" \"Capacity\" \"Used\" \"Free\" \"Percentage\" > $LOGFILE
fi
IP_LIST=\"10.10.10.2\"
(
for ip in $IP_LIST;
do
ssh client@$ip \'df -H\' | grep ^/dev/ > /tmp/$$.df
while read line;   
do
//cur_date=$(date +%D)
printf \"%-10s %-14s\" $dt $ip

//code which is responsible to detect disk uses 80%+

echo -n \"$dt $line \";;
echo -n \"$dt \"
echo $line | awk \'{print $4}\';;
echo -n \"$dt \"
echo $line | awk \'{print $1,$5}\';;
done < /tmp/$$.df
done
) >> $LOGFILE