91 lines
2.2 KiB
Bash
91 lines
2.2 KiB
Bash
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#!/bin/bash
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#Backupskript - Backup with rsync and ssh
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#Version: 0.1. (2019-12-17)
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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 "$0")");
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HOST=`hostname`;
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#SSH (key file based login required)
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SSH_TARGET="domain.local";
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SSH_USER="sshuser";
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SSH_DIR="/directory/";
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#Ursprungsverzeichnis des Backup
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SOURCE=(` cat "${PFAD}/backup_dirs.conf" `);
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#Pfad zu Datei mit auszuschließenden Dateien/Ordnern
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EXCLUDE=${PFAD}"/backup_excl.conf";
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#Pfad zu Logdatei
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LOG_FILE=${PFAD}"/backup_ext_"${HOST}".log";
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#Pfad zu Lock-Datei
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LOCK_FILE=${PFAD}"/backup_ext_"${HOST}".lock";
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###Skript beginnt, unterhalb dieser Zeile nichts ändern
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NOW_START=$(/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 "[VOLMAR]: Backup nach nc.hw12.org erfolgreich" tba@timaba.de`;
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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 ${LOCK_FILE};
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exit;
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}
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#Prüfen ob bereits Backups existieren
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SSH_LOGIN="${SSH_USER}@${SSH_TARGET}";
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if [ "${SSH_DIR}" ]; then
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LASTBACKUP=`ssh ${SSH_LOGIN} ls -d ${SSH_DIR}[[:digit:]]* | /usr/bin/sort -r | /usr/bin/head -1 `;
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NOTIFY_LOG_MSG="Letztes Backup [${SSH_TARGET}]: "${LASTBACKUP};
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notify_log;
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fi
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# Hardlinks definieren, wenn vorheriges Backup gefunden.
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if [ "${LASTBACKUP}" ]; then
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INC="--link-dest="${LASTBACKUP};
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fi
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#Neuen Ordner anlegen
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`ssh ${SSH_LOGIN} mkdir -p ${SSH_DIR}${NOW_START}`;
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##rsync
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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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START_BACKUP="rsync ${EXCLUDIRS} ${INC} -avze ssh ${SOURCE[@]} ${SSH_LOGIN}:${SSH_DIR}${NOW_START} ";
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`echo ${START_BACKUP}`;
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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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