Initial setup, cleanup, VPS setup
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Tihon
216
scripts/backup-database.sh
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216
scripts/backup-database.sh
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#!/bin/bash
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# Database Backup Script for Lottery Application
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# This script creates a MySQL dump and transfers it to the backup VPS
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#
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# Usage:
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# ./scripts/backup-database.sh [--keep-local] [--compress]
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#
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# Options:
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# --keep-local Keep a local copy of the backup (default: delete after transfer)
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# --compress Compress the backup before transfer (default: gzip)
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#
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# Prerequisites:
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# 1. SSH key-based authentication to backup VPS (5.45.77.77)
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# 2. Database password accessible via /run/secrets/honey-config.properties
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# 3. Docker container 'honey-mysql' running
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#
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# Backup location on backup VPS: /raid/backup/acc_260182/
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set -euo pipefail
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# Configuration
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BACKUP_VPS_HOST="5.45.77.77"
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BACKUP_VPS_USER="acc_260182" # User account on backup VPS
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BACKUP_VPS_PATH="/raid/backup/acc_260182"
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MYSQL_CONTAINER="honey-mysql"
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MYSQL_DATABASE="lottery_db"
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SECRET_FILE="/run/secrets/honey-config.properties"
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BACKUP_DIR="/opt/app/backups"
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KEEP_LOCAL=false
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COMPRESS=true
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# Parse command line arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--keep-local)
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KEEP_LOCAL=true
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shift
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;;
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--no-compress)
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COMPRESS=false
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shift
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;;
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*)
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echo "Unknown option: $1"
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echo "Usage: $0 [--keep-local] [--no-compress]"
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exit 1
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;;
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esac
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done
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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# Logging function
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log() {
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echo -e "${GREEN}[$(date +'%Y-%m-%d %H:%M:%S')]${NC} $1"
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}
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error() {
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echo -e "${RED}[ERROR]${NC} $1" >&2
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}
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warn() {
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echo -e "${YELLOW}[WARN]${NC} $1"
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}
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# Check if running as root or with sudo
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if [ "$EUID" -ne 0 ]; then
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error "This script must be run as root (or with sudo)"
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exit 1
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fi
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# Load database password
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if [ ! -f "$SECRET_FILE" ]; then
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error "Secret file not found at $SECRET_FILE"
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exit 1
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fi
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DB_PASSWORD=$(grep "^SPRING_DATASOURCE_PASSWORD=" "$SECRET_FILE" | cut -d'=' -f2- | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
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if [ -z "$DB_PASSWORD" ]; then
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error "SPRING_DATASOURCE_PASSWORD not found in secret file"
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exit 1
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fi
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# Check if MySQL container is running
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if ! docker ps --format '{{.Names}}' | grep -q "^${MYSQL_CONTAINER}$"; then
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error "MySQL container '${MYSQL_CONTAINER}' is not running"
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exit 1
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fi
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# Create backup directory if it doesn't exist
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mkdir -p "$BACKUP_DIR"
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# Generate backup filename with timestamp
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TIMESTAMP=$(date +'%Y%m%d_%H%M%S')
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BACKUP_FILENAME="lottery_db_backup_${TIMESTAMP}.sql"
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BACKUP_PATH="${BACKUP_DIR}/${BACKUP_FILENAME}"
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# If compression is enabled, add .gz extension
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if [ "$COMPRESS" = true ]; then
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BACKUP_FILENAME="${BACKUP_FILENAME}.gz"
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BACKUP_PATH="${BACKUP_DIR}/${BACKUP_FILENAME}"
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fi
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log "Starting database backup..."
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log "Database: ${MYSQL_DATABASE}"
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log "Container: ${MYSQL_CONTAINER}"
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log "Backup file: ${BACKUP_FILENAME}"
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# Create MySQL dump
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log "Creating MySQL dump..."
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if [ "$COMPRESS" = true ]; then
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# Dump and compress in one step (saves disk space)
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if docker exec "${MYSQL_CONTAINER}" mysqldump \
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-u root \
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-p"${DB_PASSWORD}" \
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--single-transaction \
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--routines \
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--triggers \
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--events \
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--quick \
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--lock-tables=false \
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"${MYSQL_DATABASE}" | gzip > "${BACKUP_PATH}"; then
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log "✅ Database dump created and compressed: ${BACKUP_PATH}"
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else
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error "Failed to create database dump"
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exit 1
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fi
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else
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# Dump without compression
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if docker exec "${MYSQL_CONTAINER}" mysqldump \
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-u root \
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-p"${DB_PASSWORD}" \
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--single-transaction \
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--routines \
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--triggers \
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--events \
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--quick \
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--lock-tables=false \
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"${MYSQL_DATABASE}" > "${BACKUP_PATH}"; then
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log "✅ Database dump created: ${BACKUP_PATH}"
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else
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error "Failed to create database dump"
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exit 1
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fi
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fi
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# Get backup file size
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BACKUP_SIZE=$(du -h "${BACKUP_PATH}" | cut -f1)
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log "Backup size: ${BACKUP_SIZE}"
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# Transfer to backup VPS
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log "Transferring backup to backup VPS (${BACKUP_VPS_HOST})..."
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# Test SSH connection first
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if ! ssh -o ConnectTimeout=10 -o BatchMode=yes "${BACKUP_VPS_USER}@${BACKUP_VPS_HOST}" "echo 'SSH connection successful'" > /dev/null 2>&1; then
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error "Cannot connect to backup VPS via SSH"
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error "Please ensure:"
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error " 1. SSH key-based authentication is set up"
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error " 2. Backup VPS is accessible from this server"
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error " 3. User '${BACKUP_VPS_USER}' has access to ${BACKUP_VPS_PATH}"
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if [ "$KEEP_LOCAL" = true ]; then
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warn "Keeping local backup despite transfer failure: ${BACKUP_PATH}"
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else
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rm -f "${BACKUP_PATH}"
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fi
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exit 1
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fi
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# Create backup directory on remote VPS if it doesn't exist
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ssh "${BACKUP_VPS_USER}@${BACKUP_VPS_HOST}" "mkdir -p ${BACKUP_VPS_PATH}"
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# Transfer the backup file
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if scp "${BACKUP_PATH}" "${BACKUP_VPS_USER}@${BACKUP_VPS_HOST}:${BACKUP_VPS_PATH}/"; then
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log "✅ Backup transferred successfully to ${BACKUP_VPS_HOST}:${BACKUP_VPS_PATH}/${BACKUP_FILENAME}"
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# Verify remote file exists
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REMOTE_SIZE=$(ssh "${BACKUP_VPS_USER}@${BACKUP_VPS_HOST}" "du -h ${BACKUP_VPS_PATH}/${BACKUP_FILENAME} 2>/dev/null | cut -f1" || echo "0")
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if [ "$REMOTE_SIZE" != "0" ]; then
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log "✅ Remote backup verified (size: ${REMOTE_SIZE})"
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else
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warn "Could not verify remote backup file"
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fi
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else
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error "Failed to transfer backup to backup VPS"
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if [ "$KEEP_LOCAL" = true ]; then
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warn "Keeping local backup despite transfer failure: ${BACKUP_PATH}"
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else
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rm -f "${BACKUP_PATH}"
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fi
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exit 1
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fi
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# Clean up local backup if not keeping it
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if [ "$KEEP_LOCAL" = false ]; then
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rm -f "${BACKUP_PATH}"
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log "Local backup file removed (transferred successfully)"
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fi
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# Clean up old backups on remote VPS (keep last 10 days)
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log "Cleaning up old backups on remote VPS (keeping last 10 days)..."
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ssh "${BACKUP_VPS_USER}@${BACKUP_VPS_HOST}" "find ${BACKUP_VPS_PATH} -name 'lottery_db_backup_*.sql*' -type f -mtime +10 -delete" || warn "Failed to clean up old backups"
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# Count remaining backups
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BACKUP_COUNT=$(ssh "${BACKUP_VPS_USER}@${BACKUP_VPS_HOST}" "ls -1 ${BACKUP_VPS_PATH}/lottery_db_backup_*.sql* 2>/dev/null | wc -l" || echo "0")
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log "Total backups on remote VPS: ${BACKUP_COUNT}"
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log "✅ Backup completed successfully!"
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log " Remote location: ${BACKUP_VPS_HOST}:${BACKUP_VPS_PATH}/${BACKUP_FILENAME}"
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