90 lines
2.0 KiB
Bash
90 lines
2.0 KiB
Bash
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#!/bin/bash
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#Backupskript - Local backup with rsync for small server
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#Version: 0.0.2 (2019-01-12)
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#
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### Konfigurationen
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## Ordner müssen mit / enden.
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#Verzeichnis des Skriptes finden
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PFAD=$(dirname "$(readlink -e "$0")");
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HOST=`hostname`;
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#Ursprungsverzeichnis des Backup
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SOURCE=(` cat "${PFAD}/dirlist.conf" `);
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#Pfad zu Datei mit auszuschließenden Dateien/Ordnern
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EXCLUDE=${PFAD}"/excludes";
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#Pfad zu Logdatei
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LOG_FILE="/var/log/backup/backup_"${HOST}".log";
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#Pfad zu Lock-Datei
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LOCK_FILE=${PFAD}"/backup_"${HOST}".lock";
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#Zielpfad des Backup
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DEST_PATH="/mnt/md0/backups/pax/";
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###Skript beginnt, unterhalb dieser Zeile nichts ändern
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NOW_START=$(/bin/date +%Y%m%d-%H%M%S);
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##Test Log/Lock-Datei
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if [ -e ${LOCK_FILE} ]; then
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NOW_MSG=$(/bin/date +%Y%m%d-%H%M%S);
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`echo ${NOW_MSG}": Backup läuft bereits. Breche ab." >> ${LOG_FILE}`;
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unset NOW_MSG;
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exit;
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else
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touch ${LOCK_FILE};
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fi
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if [ ! -f ${LOG_FILE} ];then
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touch ${LOG_FILE};
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fi
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##Funktionen
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#Log und Notify-Nachricht
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notify_log() {
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NOW_MSG=$(/bin/date +%Y%m%d-%H%M%S);
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if [ "${LOG_FINISH}" ]; then
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`echo ${NOW_MSG}": "${NOTIFY_LOG_MSG} | mail -s "PAX: Backup erfolgreich" pax+root@hw12.org`;
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unset LOG_FINISH;
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fi
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`echo ${NOW_MSG}": "${NOTIFY_LOG_MSG} >> ${LOG_FILE}`;
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unset NOTIFY_LOG_MESSAGE;
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unset NOW_MSG;
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}
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#Lock-Datei löschen und Skript beenden
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lock_delete_end() {
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rm ${LOCK_FILE};
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exit;
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}
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# Prüfen ob bereits Backups existieren.
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if [ "${DEST_PATH}" ]; then
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LASTBACKUP=`ls -d ${DEST_PATH}[[:digit:]]* | /usr/bin/sort -r | /usr/bin/head -1 `;
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NOTIFY_LOG_MSG="Letztes Backup: "${LASTBACKUP};
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notify_log;
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fi
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# Neuen Ordner anlegen.
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DESTINATION=${DEST_PATH}${NOW_START};
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`mkdir -p ${DESTINATION}`;
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# Hardlinks definieren, wenn vorheriges Backup gefunden.
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if [ "${LASTBACKUP}" ]; then
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INC="--link-dest=${LASTBACKUP}"
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fi
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# Rsync aufrufen.
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EXCLUDIRS="--exclude-from="${EXCLUDE};
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for SOURCE in "${SOURCE[@]}"
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do
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END="rsync -az ${EXLUDIRS} ${INC} ${SOURCE[@]} ${DESTINATION}";
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${END};
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done
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NOTIFY_LOG_MSG="Backup beendet.";
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LOG_FINISH="1";
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notify_log;
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lock_delete_end;
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