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#!/bin/bash |
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# $Id: enable-snapshot 39 2013-10-08 12:46:21Z ltaulell $ |
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DIR_CRON="/etc/cron.d/" |
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DIR_CONF_SNAPSHOT="/opt/gZFS/snapshots/" |
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BIN_ZFS_SNAPSHOT="/sbin/zfs-snapshot" |
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function usage {
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echo "Usage : $0 options" 1>&2 |
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echo "OPTIONS :" 1>&2 |
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echo " -i : interactive mode, this option is not compatible with others options" 1>&2 |
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echo " -m : minute field for cron snapshot" 1>&2 |
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echo " -H : hour field for cron snapshots" 1>&2 |
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echo " -D : Day of Month field for cron snapshots" 1>&2 |
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echo " -M : Month field for cron snapshots" 1>&2 |
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echo " -d : Day of week for cron snapshots" 1>&2 |
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echo " -N : Name of ZFS Volume/FileSystem to snapshots" 1>&2 |
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echo " -t : Type ZFS Volume or FileSystem. Possible value : volume or filesystem" 1>&2 |
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echo " -k : Number of snapsot to keep" 1>&2 |
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} |
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function checkField4Cron {
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if [[ $OPTARG =~ [a-zA-Z] ]] |
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then |
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echo "-$OPTION contain a bad value" 1>&2 |
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exit 1 |
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fi |
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} |
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function createCronFile4Snapshot {
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FILE_NAME=$(echo "snapshot-"${NAMEZFS//\//-})
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echo "$MINUTE $HOUR $MONTH $DAYMONTH $DAYWEEK root $BIN_ZFS_SNAPSHOT $DIR_CONF_SNAPSHOT$FILE_NAME.conf" > $DIR_CRON$FILE_NAME |
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echo "name=$NAMEZFS" >$DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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echo "type=$TYPEZFS" >>$DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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echo "nbsnapshots=$SNAP2KEEP" >>$DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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} |
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function interactive {
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zfs list |
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echo "*** Choix du volume pour l'activation des snapshot (merci de saisir le path complet du volume) : ***" |
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|
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while read inputline |
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do |
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NAME_VOL=$inputline |
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if [ "$NAME_VOL" = "" ] |
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then |
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echo "*** Choix du volume pour l'activation des snapshot : ***" |
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else |
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echo "*** Etes-vous sur du nom : $inputline ? (y/n) ***" |
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while read inputConfirm |
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do |
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if [ "$inputConfirm" = "y" ]||[ "$inputConfirm" = "n" ] |
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then |
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break |
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fi |
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echo "*** Etes-vous sur du nom : $inputline ? (y/n) ***" |
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done |
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if [ "$inputConfirm" = "y" ] |
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then |
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zfs list $NAME_VOL |
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if [ $? -eq 0 ] |
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then |
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echo "*** Le volume saisi $NAME_VOL existe ***" |
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break |
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else |
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echo "*** Le volume saisi $NAME_VOL n'existe pas ***" |
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echo "*** Choix du volume pour l'activation des snapshot : ***" |
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fi |
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fi |
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if [ "$inputConfirm" != "y" ] |
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then |
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echo "*** Choix du volume pour l'activation des snapshot : ***" |
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fi |
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fi |
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done |
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echo "*** Le volume est utilise en zfs natif ou en zvol (sous forme d'un device) : volume/filesystem ***" |
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while read inputline |
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do |
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if [ "$inputline" = "volume" ] || [ "$inputline" = "filesystem" ] |
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then |
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TYPE_ZFS=$inputline |
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break |
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else |
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echo "*** Le volume est utilise en zfs natif ou en zvol (sous forme d'un device) : volume/filesystem ***" |
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fi |
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done |
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echo "*** Nombre de snapshot a garder : ***" |
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while read inputline |
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do |
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NB_SNAP=$inputline |
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if [ "$NB_SNAP" = "" ] |
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then |
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echo "*** Nombre de snapshot a garder : ***" |
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else |
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echo "*** Creation du fichier de configuration ***" |
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FILE_NAME=$(echo "snapshot-"${NAME_VOL//\//-})
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>$DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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echo "name=$NAME_VOL" > $DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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echo "nbsnapshots=$NB_SNAP" >> $DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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echo "type=$TYPE_ZFS" >> $DIR_CONF_SNAPSHOT$FILE_NAME.conf |
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break |
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fi |
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done |
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echo "*** Frequence des snapshots ***" |
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echo "1 - Tous les jours" |
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echo "2 - Toutes les semaines" |
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echo "3 - Tous les mois" |
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echo "*******************************" |
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while read inputline |
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do |
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case $inputline in |
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"1" ) |
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echo "*** Saisir l'heure (HH:MM) " |
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while read inputheure |
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do |
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if [[ "$inputheure" =~ [0-9][0-9]":"[0-9][0-9] ]] |
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then |
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echo "Le choix de l'heure est : $inputheure" |
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H_DEBUT=$(echo $inputheure |cut -d":" -f1) |
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M_DEBUT=$(echo $inputheure |cut -d":" -f2) |
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echo "$M_DEBUT $H_DEBUT * * * root $BIN_ZFS_SNAPSHOT $DIR_CONF_SNAPSHOT$FILE_NAME.conf" > $DIR_CRON$FILE_NAME |
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break; |
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else |
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echo "*** Saisir l'heure (HH:MM) " |
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fi |
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done |
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break ;; |
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"2" ) |
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echo "*** Saisir le jour de la semaine : 0-6 (0 est dimanche) " |
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while read inputjour |
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do |
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if [[ "$inputjour" =~ [0-9] ]] |
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then |
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echo "*** Saisir l'heure (HH:MM) " |
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while read inputheure |
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do |
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if [[ "$inputheure" =~ [0-9][0-9]":"[0-9][0-9] ]] |
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then |
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echo "Le choix de l'heure est : $inputheure" |
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H_DEBUT=$(echo $inputheure |cut -d":" -f1) |
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M_DEBUT=$(echo $inputheure |cut -d":" -f2) |
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break; |
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else |
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echo "*** Saisir l'heure (HH:MM) " |
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fi |
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done |
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echo "$M_DEBUT $H_DEBUT * * $inputjour root $BIN_ZFS_SNAPSHOT $DIR_CONF_SNAPSHOT$FILE_NAME.conf" > $DIR_CRON$FILE_NAME |
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echo "*** Planification du snapshot [OK]" |
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break; |
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else |
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echo "*** Saisir le jour de la semaine : 0-6 (0 est dimanche) " |
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fi |
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done |
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break ;; |
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"3" ) |
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echo "*** Saisir le jour du mois : 01-30" |
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while read inputjour |
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do |
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if [[ "$inputjour" =~ [0-9][0-9] ]] |
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then |
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echo "*** Saisir l'heure (HH:MM) " |
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while read inputheure |
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do |
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if [[ "$inputheure" =~ [0-9][0-9]":"[0-9][0-9] ]] |
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then |
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echo "Le choix de l'heure est : $inputheure" |
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H_DEBUT=$(echo $inputheure |cut -d":" -f1) |
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M_DEBUT=$(echo $inputheure |cut -d":" -f2) |
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break; |
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else |
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echo "*** Saisir l'heure (HH:MM) " |
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fi |
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done |
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echo "$M_DEBUT $H_DEBUT $inputjour * * root $BIN_ZFS_SNAPSHOT $DIR_CONF_SNAPSHOT$FILE_NAME.conf" > $DIR_CRON$FILE_NAME |
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echo "*** Planification du snapshot [OK]" |
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break; |
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else |
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echo "*** Saisir le jour du mois : 01-30 " |
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fi |
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done |
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break ;; |
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esac |
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echo "*** Frequence des snapshots *** " |
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echo "1 - Tous les jours" |
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echo "2 - Toutes les semaines" |
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echo "3 - Tous les mois" |
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echo "*******************************" |
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done |
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/etc/init.d/cron restart |
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} |
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while getopts "im:H:D:M:d:N:t:k:h" OPTION |
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do |
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case $OPTION in |
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h) |
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usage |
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exit 1 |
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;; |
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i) |
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interactive |
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exit 0 |
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;; |
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m) |
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checkField4Cron |
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MINUTE=$OPTARG |
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;; |
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H) |
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checkField4Cron |
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HOUR=$OPTARG |
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;; |
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D) |
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checkField4Cron |
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DAYMONTH=$OPTARG |
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;; |
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M) |
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checkField4Cron |
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MONTH=$OPTARG |
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;; |
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d) |
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checkField4Cron |
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DAYWEEK=$OPTARG |
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;; |
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N) |
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NAMEZFS=$OPTARG |
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;; |
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t) |
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TYPEZFS=$OPTARG |
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;; |
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k) |
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SNAP2KEEP=$OPTARG |
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;; |
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*) |
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usage |
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exit 1 |
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;; |
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esac |
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done |
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if [[ -z $MINUTE ]] || [[ -z $HOUR ]] || [[ -z $DAYMONTH ]] || [[ -z $MONTH ]] || [[ -z $DAYWEEK ]] || [[ -z $NAMEZFS ]] || [[ -z $TYPEZFS ]] || [[ -z $SNAP2KEEP ]] |
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then |
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usage |
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exit 1 |
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fi |
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createCronFile4Snapshot |
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/etc/init.d/cron restart |
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