Centre Blaise Pascal » gZFS

#!/bin/bash

# $Id: disable-snapshot 55 2013-10-10 16:20:06Z kreverch $

# Copyright (C) 2013 Kevin Reverchon, Loïs Taulelle

# This file/program is part of gZFS free software

# See COPYING file for details

#

DIR_CRON="/etc/cron.d/"

DIR_CONF_SNAPSHOT="/opt/gZFS/snapshots/"

BIN_ZFS_SNAPSHOT="/sbin/zfs-snapshot"

BINZFS="/sbin/zfs"

BINZPOOL="/sbin/zpool"

function usage {

  echo "Usage :" 1>&2

  echo "disable-snapshot [OPTIONS]" 1>&2

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

  echo " -i interactive mode" 1>&2

  echo " -N Specify the name ZFS Volume/Filesystem" 1>&2

}

function nointeractive {

FILE_NAME=$(echo "snapshot-"${NAMEZFS//\//-})

   /bin/rm -f $DIR_CONF_SNAPSHOT$FILE_NAME.conf

   if [ -e $DIR_CONF_SNAPSHOT$FILE_NAME.conf ]

   then

      echo "Error : cannot delete $DIR_CONF_SNAPSHOT$FILE_NAME.conf"    

   fi

   /bin/rm $DIR_CRON$FILE_NAME

   if [ -e $DIR_CRON$FILE_NAME ]

   then

      echo "Error : cannot delete $DIR_CRON$FILE_NAME"

   fi

}

function interactive {

$BINZFS list

echo "*** Enter a ZFS volume/filesystem name :"

while read inputline

do

   if [ "$inputline" != "" ]

   then  

       $BINZFS list $inputline

      if [ $? -eq 0 ]

      then

         FILE_NAME=$(echo "snapshot-"${inputline//\//-})

         if [ -e $DIR_CONF_SNAPSHOT$FILE_NAME.conf ]

         then

            /bin/rm -f $DIR_CONF_SNAPSHOT$FILE_NAME.conf

            if [ $? -eq 0 ]

            then

               echo "*** Remove the configuration file $DIR_CONF_SNAPSHOT$FILE_NAME.conf [OK]"

            else

               echo "/!\\ Remove the configuration file  $DIR_CONF_SNAPSHOT$FILE_NAME.conf [ERROR] /!\\"

               exit

            fi

         else

            echo "*** The configuration file $DIR_CONF_SNAPSHOT$FILE_NAME.conf does not exist"

         fi

         if [ -e $DIR_CRON$FILE_NAME ]

         then

            /bin/rm $DIR_CRON$FILE_NAME

            if [ $? -eq 0 ]

            then

               echo "*** Remove cron file $DIR_CRON$FILE_NAME [OK]"

               break

            else

               echo "/!\\ Remove cron file $DIR_CRON$FILE_NAME [ERROR] /!\\"

               exit

            fi

         else

            echo "*** The cron file $DIR_CRON$FILE_NAME does not exist"

            break

         fi

      fi

   fi

   echo "*** Enter a ZFS volume/filesystem name :"

done

exit 0

}

while getopts "iN:h" OPTION

do

     case $OPTION in

         h)

             usage

             exit 1

             ;;

         i)

             interactive

             ;;

         N)

             NAMEZFS=$OPTARG

             ;;

         *)

             usage

             exit 1

             ;;

     esac

done

if [[ -z $NAMEZFS ]]

then

     usage

     exit 1

fi

nointeractive