🎓 Initial commit: Math2 Platform - Plataforma de Álgebra Lineal PRO
✨ Características: - 45 ejercicios universitarios (Basic → Advanced) - Renderizado LaTeX profesional - IA generativa (Z.ai/DashScope) - Docker 9 servicios - Tests 123/123 pasando - Seguridad enterprise (JWT, XSS, Rate limiting) 🐳 Infraestructura: - Next.js 14 + Node.js 20 - PostgreSQL 15 + Redis 7 - Docker Compose completo - Nginx + SSL ready 📚 Documentación: - 5 informes técnicos completos - README profesional - Scripts de deployment automatizados Estado: Producción lista ✅
This commit is contained in:
Renato
235
docker/backup.sh
Executable file
235
docker/backup.sh
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#!/bin/bash
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# ================================================
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# Math Platform - Database Backup Script
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# ================================================
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set -e
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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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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Configuration
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PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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BACKUP_DIR="$PROJECT_ROOT/docker/backups"
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DB_CONTAINER="math-postgres"
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DB_USER="mathuser"
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DB_NAME="mathdb"
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TIMESTAMP=$(date +%Y%m%d_%H%M%S)
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BACKUP_FILE="$BACKUP_DIR/mathdb_backup_$TIMESTAMP.sql"
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COMPRESSED_FILE="$BACKUP_FILE.gz"
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# Retention settings
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RETENTION_DAYS=30
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RETENTION_COUNT=20
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echo -e "${BLUE}============================================${NC}"
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echo -e "${BLUE}Math Platform - Database Backup${NC}"
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echo -e "${BLUE}============================================${NC}"
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# Create backup directory
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mkdir -p "$BACKUP_DIR"
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# Function to check if container is running
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check_container() {
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if ! docker ps | grep -q $DB_CONTAINER; then
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echo -e "${RED}Error: Database container $DB_CONTAINER is not running!${NC}"
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exit 1
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fi
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echo -e "${GREEN}Database container is running${NC}"
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}
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# Function to create backup
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create_backup() {
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echo -e "${YELLOW}Creating database backup...${NC}"
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echo -e "Timestamp: $TIMESTAMP"
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echo -e "Destination: $COMPRESSED_FILE"
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if docker exec $DB_CONTAINER pg_dump -U $DB_USER $DB_NAME > "$BACKUP_FILE" 2>/dev/null; then
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if [ -f "$BACKUP_FILE" ] && [ -s "$BACKUP_FILE" ]; then
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# Compress backup
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gzip "$BACKUP_FILE"
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# Get file size
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FILE_SIZE=$(du -h "$COMPRESSED_FILE" | cut -f1)
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echo -e "${GREEN}Backup created successfully!${NC}"
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echo -e "${GREEN}File size: $FILE_SIZE${NC}"
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echo -e "${GREEN}Location: $COMPRESSED_FILE${NC}"
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# Create checksum
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sha256sum "$COMPRESSED_FILE" > "$COMPRESSED_FILE.sha256"
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echo -e "${GREEN}Checksum: ${COMPRESSED_FILE}.sha256${NC}"
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else
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echo -e "${RED}Error: Backup file is empty or was not created!${NC}"
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rm -f "$BACKUP_FILE"
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exit 1
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fi
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else
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echo -e "${RED}Error: Failed to create database backup!${NC}"
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exit 1
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fi
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}
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# Function to restore backup
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restore_backup() {
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local backup_file=$1
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if [ -z "$backup_file" ]; then
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echo -e "${RED}Error: Please specify backup file to restore${NC}"
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echo "Usage: $0 --restore <backup_file>"
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exit 1
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fi
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if [ ! -f "$backup_file" ]; then
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echo -e "${RED}Error: Backup file not found: $backup_file${NC}"
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exit 1
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fi
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echo -e "${YELLOW}Restoring database from backup...${NC}"
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echo -e "Source: $backup_file"
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echo -e "${RED}WARNING: This will overwrite the current database!${NC}"
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read -p "Are you sure? (yes/no): " confirm
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if [ "$confirm" != "yes" ]; then
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echo -e "${YELLOW}Restore cancelled${NC}"
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exit 0
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fi
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# Decompress if needed
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local temp_file="$backup_file"
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if [[ "$backup_file" == *.gz ]]; then
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temp_file="/tmp/restore_$(date +%s).sql"
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gunzip -c "$backup_file" > "$temp_file"
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fi
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# Drop existing database and recreate
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docker exec -i $DB_CONTAINER psql -U $DB_USER -d postgres <<-EOF
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DROP DATABASE IF EXISTS $DB_NAME;
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CREATE DATABASE $DB_NAME;
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EOF
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# Restore backup
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docker exec -i $DB_CONTAINER psql -U $DB_USER $DB_NAME < "$temp_file"
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# Cleanup
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if [ "$temp_file" != "$backup_file" ]; then
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rm -f "$temp_file"
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fi
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echo -e "${GREEN}Database restored successfully!${NC}"
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}
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# Function to list backups
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list_backups() {
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echo -e "\n${BLUE}============================================${NC}"
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echo -e "${BLUE}Available Backups${NC}"
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echo -e "${BLUE}============================================${NC}"
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if [ "$(ls -A $BACKUP_DIR 2>/dev/null)" ]; then
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printf "%-40s %-15s %-10s\n" "File Name" "Date" "Size"
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printf "%-40s %-15s %-10s\n" "---------" "----" "----"
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for file in "$BACKUP_DIR"/mathdb_backup_*.sql.gz; do
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if [ -f "$file" ]; then
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filename=$(basename "$file")
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date=$(echo $filename | grep -oP '\d{8}_\d{6}' | sed 's/_/ /')
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size=$(du -h "$file" | cut -f1)
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printf "%-40s %-15s %-10s\n" "$filename" "$date" "$size"
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fi
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done
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else
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echo -e "${YELLOW}No backups found${NC}"
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fi
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}
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# Function to cleanup old backups
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cleanup_old_backups() {
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echo -e "${YELLOW}Cleaning up old backups...${NC}"
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echo -e "Retention: $RETENTION_COUNT backups or $RETENTION_DAYS days"
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# Remove backups older than retention days
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find "$BACKUP_DIR" -name "mathdb_backup_*.sql.gz" -mtime +$RETENTION_DAYS -delete
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find "$BACKUP_DIR" -name "mathdb_backup_*.sql.gz.sha256" -mtime +$RETENTION_DAYS -delete
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# Keep only the most recent N backups
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ls -t "$BACKUP_DIR"/mathdb_backup_*.sql.gz 2>/dev/null | tail -n +$((RETENTION_COUNT + 1)) | xargs -r rm
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ls -t "$BACKUP_DIR"/mathdb_backup_*.sql.gz.sha256 2>/dev/null | tail -n +$((RETENTION_COUNT + 1)) | xargs -r rm
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# Count remaining backups
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count=$(ls -1 "$BACKUP_DIR"/mathdb_backup_*.sql.gz 2>/dev/null | wc -l)
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echo -e "${GREEN}Cleanup completed. $count backup(s) retained${NC}"
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}
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# Function to setup automated backups
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setup_cron() {
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echo -e "${YELLOW}Setting up automated daily backups...${NC}"
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# Create cron job
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local cron_job="0 2 * * * $PROJECT_ROOT/docker/backup.sh >/dev/null 2>&1"
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# Add to crontab if not exists
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(crontab -l 2>/dev/null | grep -v "$PROJECT_ROOT/docker/backup.sh"; echo "$cron_job") | crontab -
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echo -e "${GREEN}Automated backup scheduled for daily at 2:00 AM${NC}"
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echo -e "${YELLOW}View crontab with: crontab -l${NC}"
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}
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# Main execution
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main() {
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ACTION="backup"
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# Parse arguments
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while [[ $# -gt 0 ]]; do
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case $1 in
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--restore)
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ACTION="restore"
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RESTORE_FILE="$2"
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shift 2
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;;
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--list)
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ACTION="list"
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shift
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;;
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--cleanup)
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ACTION="cleanup"
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shift
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;;
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--setup-cron)
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ACTION="setup-cron"
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shift
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;;
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*)
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echo -e "${RED}Unknown option: $1${NC}"
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echo "Usage: $0 [--restore <file>] [--list] [--cleanup] [--setup-cron]"
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exit 1
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;;
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esac
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done
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case $ACTION in
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backup)
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check_container
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create_backup
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cleanup_old_backups
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;;
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restore)
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check_container
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restore_backup "$RESTORE_FILE"
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;;
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list)
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list_backups
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;;
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cleanup)
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cleanup_old_backups
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;;
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setup-cron)
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setup_cron
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;;
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esac
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}
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# Run main function
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main "$@"
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