Centre Blaise Pascal » gZFS

#!/bin/bash

# $Id: create-filesystem 41 2013-10-09 08:44:10Z kreverch $

function usage {

echo "Syntax :" 1>&2 

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

echo " -n : filesystem name" 1>&2

echo " -p : pool name" 1>&2

echo " -o : set property list for a  zfs volume. Separate such property by a ','." 1>&2

echo "      Example : -o compression=off,snapdev=visble." 1>&2

echo "      Read the man zfs to get the list of the valid properties" 1>&2

echo " -i : interactive mode" 1>&2

}

function nointeractive {

/sbin/zfs create -o $FS_OPTION $NAME_POOL/$NAME

}

function interactive {

zfs list

# FIXME: c'est pas clair ta formulation

echo "*** Choose a pool for the filesystem to create: ***"

while read inputline

do

   if [ "$inputline" != "" ]

   then

      zfs list |grep -i $inputline

      if [ $? -eq 1 ]

      then

# FIXME: c'est pas clair ta formulation

         echo "*** Choose a pool for the filesystem to create: ***"

      else

         echo "*** Are you sure: $inputline ? (y/n) ***"

         while read inputConfirm

         do

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

            then

              break

            fi

            echo "*** Are you sure: $inputline ? (y/n) ***"

         done

          if [ "$inputConfirm" = "y" ]

          then

             NAME_POOL=$inputline

             echo "filesystem name: "

             while read inputFS

             do

                if [ "$inputFS" != "" ]

                then

                   zfs list |grep -i "$inputFS "

                   if [ $? -eq 0 ]

                   then

                         echo "Filesystem name already exists"

                         FS_OK=1   

                   else

                      FS_OK=0 

                   fi

                   if [ $FS_OK -eq 1 ]

                   then

                      echo "filesystem name: "

                   else

                      NAME_FS=$inputFS

                           zfs create $NAME_POOL/$inputFS

                           if [ $? -eq 0 ]

                           then

                              echo "*** ZFS filesystem Creation [OK] ***" 

                              zfs list

                              break

                           else

                              echo "/!\\ ZFS filesystem Creation [ERROR] /!\\"

                           fi

                    fi

                else

                  echo "filesystem name: "

                fi

             done

             break

          fi

          break

      fi

   else

# FIXME: c'est pas clair ta formulation

      echo "*** Choose a pool for the filesystem to create: ***"

   fi

done

}

while getopts "in:p:b:s:o:h" OPTION

do

     case $OPTION in

         h)

             usage

             exit 1

             ;;

         i)

            interactive

            exit 0

            ;;

         n)

           NAME=$OPTARG

           ;;

         p)

           NAME_POOL=$OPTARG

           ;;

         o)

           FS_OPTION=$OPTARG

           FS_OPTION=$(echo $FS_OPTION|sed -e 's/,/ -o /g')

           echo "$FS_OPTION"

           ;;

    esac

done

if [[ -z $NAME_POOL ]] || [[ -z $NAME ]] 

then

     usage

     exit 1

fi

nointeractive