Révision 45
| bin/zfs-snapshot (revision 45) | ||
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| 1 | 1 |
#!/bin/bash |
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# $Id$ |
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function check_env_volume {
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#*** CHECK DE L'ENVIRONNEMENT *** |
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if [ ! -d "/mnt/snapshot" ] |
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then |
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mkdir -p /mnt/snapshot |
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if [ $? -eq 1 ] |
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then |
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echo "/!\\ Probleme lors de la creation de /mnt/snapshot /!\\" 1>&2 |
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exit 1 |
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fi |
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fi |
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#*** FIN DU CHECK DE L'ENVIRONNEMENT *** |
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} |
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function check_env_filesystem {
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echo "**** $1" |
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if [ "$#" -eq 0 ] |
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then |
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echo "/!\\ Le fichier de configuration est manquant /!\\" 1>&2 |
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exit 1 |
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fi |
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if [ ! -f $1 ] |
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then |
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echo "/!\\ Le fichier de configuration n'existe pas /!\\" 1>&2 |
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exit 1 |
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fi |
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NAME_VOL=$(cat $1 |grep "name" |cut -d"=" -f2) |
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TYPE_ZFS=$(cat $1 |grep "type" |cut -d"=" -f2) |
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NB_SNAP=$(cat $1 |grep "nbsnapshots"|cut -d"=" -f2) |
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if [ "$NAME_VOL" = "" ] || [ "$TYPE_ZFS" = "" ] || [ "$NB_SNAP" = "" ] |
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then |
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echo "/!\\ Probleme le fichier de configuration est incoherent ou incomplet /!\\" 1>&2 |
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exit 1 |
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fi |
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} |
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function create_snapshot_volume {
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#*** ETAPE DE CREATION DU SNAPSHOT ***# |
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echo "" |
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echo "*** Snapshot ZFS pour : $NAME_VOL"
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echo "*** Type de volume ZFS : $TYPE_ZFS"
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echo "*** Snapshot ZFS from : $NAME_VOL"
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echo "*** ZFS Type : $TYPE_ZFS"
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echo "" |
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if [ "$TYPE_ZFS" = "volume" ] |
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then |
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if [ ! -d /mnt/snapshot/$NAME_VOL ] |
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then |
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mkdir -p /mnt/snapshot/$NAME_VOL |
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fi |
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#mount -o ro /dev/zvol/$NAME_VOL /mnt/snapshot/$NAME_VOL |
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#if [ $? -eq 0 ] |
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#then |
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# echo "*** Mount en lecture seule de $NAME_VOL [OK]" |
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#else |
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# echo "/!\\ Probleme lors de la tentative de mount de $NAME_VOL sur /mnt/snapshot/$NAME_VOL /!\\" 1>&2 |
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# exit 1 |
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#fi |
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fi |
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echo "*** Creation du snapshot pour $NAME_VOL" |
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echo "*** Snapshot Creation from $NAME_VOL" |
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ZDATE=$(date +%Y%m%d%H%M%S) |
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/sbin/zfs snapshot $NAME_VOL@snapshot-$ZDATE |
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echo "" |
| ... | ... | |
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#*** ETAPE DE CREATION DU SNAPSHOT ***# |
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echo "" |
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echo "*** Snapshot ZFS pour : $NAME_VOL"
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echo "*** Type de volume ZFS : $TYPE_ZFS"
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echo "*** Snapshot ZFS from : $NAME_VOL"
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echo "*** ZFS Type : $TYPE_ZFS"
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echo "" |
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echo "*** Creation du snapshot pour $NAME_VOL"
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echo "*** Snapshot Creation from $NAME_VOL"
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ZDATE=$(date +%Y%m%d%H%M%S) |
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/sbin/zfs snapshot $NAME_VOL@snapshot-$ZDATE |
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echo "" |
| ... | ... | |
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} |
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function check_after_snapshot_volume {
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#*** ETAPE DE VERIFICATION ***# |
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echo "*** Umount du volume /mnt/snapshot/$NAME_VOL ..." |
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umount /mnt/snapshot/$NAME_VOL |
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if [ $? -eq 1 ] |
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then |
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echo "/!\\ Probleme lors du demontage du volume $NAME_VOL /!\\" 1>&2 |
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fi |
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mount -o ro /dev/zvol/$NAME_VOL@snapshot-$ZDATE /mnt/snapshot/$NAME_VOL |
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if [ $? -eq 0 ] |
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then |
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echo "*** Creation du snapshot et verification du montage du snapshot /dev/zvol/$NAME_VOL@snapshot-$ZDATE [OK]" |
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umount /mnt/snapshot/$NAME_VOL |
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if [ $? -eq 1 ] |
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then |
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echo "/!\\ Probleme lors du demontage du volume $NAME_VOL /!\\" 1>&2 |
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fi |
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else |
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echo "/!\\ Probleme avec lors de la creation ou du snapshot : commande de destruction de /dev/zvol/$NAME_VOL@snapshot-$ZDATE /!\\" |
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/sbin/zfs destroy $NAME_VOL@snapshot-$ZDATE |
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if [ $? -eq 0 ] |
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then |
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echo "*** Suppression du snapshot $NAME_VOL@snapshot-$ZDATE [OK]" |
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else |
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echo "/!\\ Suppression du snapshot $NAME_VOL@snapshot-$ZDATE [ERROR]. A TRAITER DANS LES PLUS BREFS DELAIS !!!" 1>&2 |
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fi |
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fi |
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#*** FIN ETAPE DE VERIFICATION ***# |
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} |
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function del_old_snapshot {
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#*** ETAPE SUPPRESSION DES SNAPSHOTS OBSELETES ***# |
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echo "" |
| ... | ... | |
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echo "**** $1" |
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if [ "$#" -eq 0 ] |
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then |
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echo "/!\\ Le fichier de configuration est manquant /!\\" 1>&2
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echo "/!\\ File Configuration missing ... /!\\" 1>&2
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exit 1 |
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fi |
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if [ ! -f $1 ] |
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then |
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echo "/!\\ Le fichier de configuration n'existe pas /!\\" 1>&2
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echo "/!\\ File Configuration does not exist /!\\" 1>&2
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exit 1 |
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fi |
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| ... | ... | |
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NB_SNAP=$(cat $1 |grep "nbsnapshots"|cut -d"=" -f2) |
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if [ "$NAME_VOL" = "" ] || [ "$TYPE_ZFS" = "" ] || [ "$NB_SNAP" = "" ] |
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then |
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echo "/!\\ Probleme le fichier de configuration est incoherent ou incomplet /!\\" 1>&2
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echo "/!\\ Problem with the Configuration File : incoherence data or incomplete /!\\" 1>&2
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exit 1 |
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fi |
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if [ "$TYPE_ZFS" == "volume" ] |
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then |
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check_env_volume |
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create_snapshot_volume |
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#check_after_snapshot_volume |
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del_old_snapshot |
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Formats disponibles : Unified diff