2023-09-03 17:49:03 +00:00
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#!/bin/bash
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# Script Name: MARIADB_BACKUP.V1.SH
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# Beschreibung: Macht ein Backup aller MariaDB-Datenbanken in ein Verzeichnis der Wahl
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# Aufruf: ./bash MARIADB_BACKUP.V1.SH
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# Autor: Patrick Asmus
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# Web: https://www.media-techport.de
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# Git-Reposit.: https://git.media-techport.de/scriptos/backup-script-collection
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# Version: 2.0
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# Datum: 03.09.2023
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# Modifikation: Neuerstellung
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#####################################################
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# Variablen
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SCRIPT_NAME="mariadb-backup.v1.sh"
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BACKUP_DIR="/var/backup"
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LOGDIR="/var/log/script-logs"
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2023-09-03 17:49:45 +00:00
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EMAIL_ADDRESS="deine@mail.de"
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2023-09-03 17:49:03 +00:00
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HOSTNAME=$(hostname)
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DB_USER="mysqlbackup"
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DB_PASSWORD="PASSWORD"
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BACKUP_RETENTION_DAYS=20
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# Erstelle Log-Verzeichnis
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mkdir -p $LOGDIR
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# Sichern jeder Datenbank in separater SQL-Datei
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DATABASES=$(mysql -u "$DB_USER" -p"$DB_PASSWORD" -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema|mysql|sys)")
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ERROR_OCCURRED=0
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for DB in $DATABASES; do
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DATE=$(date +%F)
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BACKUP_FILE="$BACKUP_DIR/$DB-$DATE.sql"
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echo "Sichere $DB-Datenbank in $BACKUP_FILE" | tee -a "$LOGDIR/$SCRIPT_NAME.log"
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mysqldump -u "$DB_USER" -p"$DB_PASSWORD" "$DB" > "$BACKUP_FILE"
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if [ $? -ne 0 ]; then
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ERROR_OCCURRED=1
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echo "Fehler beim Sichern der $DB-Datenbank" | tee -a "$LOGDIR/$SCRIPT_NAME.log"
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fi
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done
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# Loeschen von Backups, die aelter als X Tage sind
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find "$BACKUP_DIR" -type f -name "*.sql" -mtime +$BACKUP_RETENTION_DAYS -delete
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# Ueberpruefe, ob das Backup erfolgreich war oder Probleme aufgetreten sind
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if [ $ERROR_OCCURRED -eq 1 ]; then
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echo "Backup konnte nicht ausgefuehrt werden." | tee -a "$LOGDIR/$SCRIPT_NAME.log"
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mail -s "Fehler beim Ausführen des MariaDB-Backups auf $HOSTNAME" "$EMAIL_ADDRESS" < "$LOGDIR/$SCRIPT_NAME.log"
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fi
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exit 0
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