#!/bin/bash
# MariaDB Backup Script - läuft als Endlos-Schleife im Container
BACKUP_DIR="/backups"
RETENTION_DAYS=7

while true; do
    TIMESTAMP=$(date +%Y%m%d_%H%M%S)
    FILENAME="${BACKUP_DIR}/strichliste_${TIMESTAMP}.sql.gz"

    echo "[$(date)] Starting backup..."
    mariadb-dump -h db -u strichliste -pstrichliste strichliste | gzip > "${FILENAME}"

    if [ $? -eq 0 ]; then
        echo "[$(date)] Backup saved: ${FILENAME}"
    else
        echo "[$(date)] Backup FAILED"
    fi

    # Alte Backups löschen
    find ${BACKUP_DIR} -name "strichliste_*.sql.gz" -mtime +${RETENTION_DAYS} -delete
    echo "[$(date)] Cleaned up backups older than ${RETENTION_DAYS} days"

    # 24 Stunden warten
    sleep 86400
done