Centre Blaise Pascal » gZFS

#!/bin/bash

# $Id: del-filesystem 40 2013-10-08 14:37:55Z ltaulell $

function usage {

  echo "Description : destroy a ZFS FileSystem." 1>&2

  echo "Usage :" 1>&2

  echo "$0 [OPTIONS]" 1>&2

  echo " -h display this message" 1>&2

  echo " -i interactive mode" 1>&2

  echo " -n ZFS Volume Name" 1>&2

}

function nointeractive {

MOUNTED=$(zfs get -H mounted $FS_NAME|awk '{ print $3}')

if [ "$MOUNTED" == "no" ]

then

   is_pool=$(zpool list $FS_NAME)

   if [ $? == 1 ]

   then

      zfs destroy -r $FS_NAME

   else

      echo "$FS_NAME is a zpool, cannot remove recursively this filesystem" 1>&2

      exit 1;

   fi 

else

   echo "ZFS FileSystem $FS_NAME mounted" 1>&2

   exit 1;

fi 

}

function interactive {

zfs list

echo "*** Enter ZFS FileSystem Name: ***" 

while read inputline

do

   NAME_VOL=$inputline 

   echo "*** Do you really want to remove this ZFS FileSystem: $inputline ? (y/n) ***"

   while read inputConfirm

   do

      if [ "$inputConfirm" = "y" ]||[ "$inputConfirm" = "n" ]

      then

         break

      fi

      echo "*** Do you really want to remove this ZFS FileSystem: $inputline ? (y/n) ***"

   done

   if [ "$inputConfirm" = "y" ]

   then

      break

   fi

   if [ "$inputConfirm" != "y" ]

   then

      echo "*** Enter ZFS Volume FileSystem: ***" 

   fi

done

nointeractive

}

while getopts "in:h" OPTION

do

     case $OPTION in

         h)

             usage

             exit 1

             ;;

         i)

             interactive

             ;;

         n)

             FS_NAME=$OPTARG

             ;;

         r)

             ;;

         *)

             usage

             exit 1

             ;;

     esac

done

if [[ -z $FS_NAME ]]

then

     usage

     exit 1

fi

nointeractive