#!/bin/bash
########################################################
#                                                      #
# Fix fstab - ticket xxxxx.###.###                     #
#                                                      #
########################################################
# set -x

ticket_num="xxxxx.###.###"
log_file=$ticket_num".log"
machine_list="/home/me/machine.txt"

echo "$HOSTNAME: *************************************************************" `date` >> $log_file
echo "$HOSTNAME: ***      Starting new run for fixing $ticket_num          ***" `date` >> $log_file
echo "$HOSTNAME: *************************************************************" `date` >> $log_file
for i in `cat $machine_list`
   do
      echo "$HOSTNAME: *** Starting new run on host: $i for fixing $ticket_num ***" `date` >> $log_file
      sleep 0.25s ;

      ( ssh -T root@$i << EOF >> $log_file 2>&1 & )
########################################################
#                                                      #
# Commands for the remote machine to execute ...       #
#                                                      #
# Backslash (\) all $variables that are to be          #
# evaluated on the remote machine. Any remaining       #
# variables will be evaluated by this script prior     #
# to execution on the remote machine.                  #
#                                                      #
########################################################

   echo "\$HOSTNAME: Fixing $ticket_num " ;
   cp -p /etc/fstab /etc/fstab`date +".bak.%Y-%b-%d.%H:%M:%S"`

   echo "\$HOSTNAME: Un-mounting alpha3 directories "
   umount /alpha3/db_a/
   umount /alpha3/db_b/view

   echo "\$HOSTNAME: Fixing fstab entry for: xxxxx.###.### "
   sed -i 's/some sed commands here' /etc/fstab ;
   sed -i 's/some sed commands here' /etc/fstab ;

   echo "\$HOSTNAME: Mounting alpha3 directories "
   mount /alpha3/db_a/
   mount /alpha3/db_b/view

EOF

############ End of Remote Execution ###################

done