create script to create backup
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3 changed files with 450 additions and 2 deletions
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databaseBackup/create_backup.sh
Executable file
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databaseBackup/create_backup.sh
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#!/bin/bash
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# Django FBF Database Backup Script
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# Erstellt ein Backup der aktuellen Django-Datenbank
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#
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# Verwendung: ./create_backup.sh [output-name]
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# Standard: ./create_backup.sh (erstellt fbf-backup.sql)
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set -e # Stoppe bei Fehlern
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# Farben für 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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# Logging Funktionen
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log_info() {
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echo -e "${BLUE}ℹ️ $1${NC}"
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}
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log_success() {
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echo -e "${GREEN}✅ $1${NC}"
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}
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log_warning() {
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echo -e "${YELLOW}⚠️ $1${NC}"
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}
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log_error() {
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echo -e "${RED}❌ $1${NC}"
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}
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# Fortschrittsanzeige
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show_progress() {
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echo -e "${BLUE}🔄 $1${NC}"
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}
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# Banner
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print_banner() {
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echo -e "${BLUE}"
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echo "╔══════════════════════════════════════════════════════════════╗"
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echo "║ Django FBF Database Backup ║"
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echo "║ Version 1.0 ║"
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echo "╚══════════════════════════════════════════════════════════════╝"
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echo -e "${NC}"
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}
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# Datenbank-Konfiguration (aus .env oder Standard-Werte)
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get_db_config() {
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# Versuche .env Datei zu laden (sicher)
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if [ -f "../.env" ]; then
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while IFS='=' read -r key value; do
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# Überspringe Kommentare und leere Zeilen
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if [[ ! "$key" =~ ^#.* ]] && [[ -n "$key" ]]; then
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# Entferne Anführungszeichen von value
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value="${value%\'}"
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value="${value#\'}"
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value="${value%\"}"
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value="${value#\"}"
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export "$key=$value"
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fi
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done < <(grep -v '^#' ../.env | grep -v '^$' | grep '=')
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fi
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# Standard-Werte setzen falls nicht definiert
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DB_NAME="${DB_NAME:-fbf}"
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DB_USER="${DB_USER:-fbf}"
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DB_PASSWORD="${DB_PASSWORD:-fbfpassword}"
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DB_HOST="${DB_HOST:-localhost}"
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DB_PORT="${DB_PORT:-5432}"
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log_info "Datenbank-Konfiguration:"
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echo " Host: $DB_HOST:$DB_PORT"
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echo " Datenbank: $DB_NAME"
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echo " Benutzer: $DB_USER"
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}
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# Überprüfe Voraussetzungen
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check_prerequisites() {
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log_info "Überprüfe Voraussetzungen..."
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# Docker und Docker Compose prüfen
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if ! command -v docker &> /dev/null; then
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log_error "Docker ist nicht installiert oder nicht im PATH"
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exit 1
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fi
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if ! command -v docker-compose &> /dev/null && ! docker compose version &> /dev/null; then
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log_error "Docker Compose ist nicht installiert oder nicht im PATH"
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exit 1
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fi
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# docker-compose.yaml prüfen
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if [ ! -f "../docker-compose.yaml" ]; then
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log_error "docker-compose.yaml nicht im übergeordneten Verzeichnis gefunden"
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exit 1
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fi
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log_success "Alle Voraussetzungen erfüllt"
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}
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# Container Status prüfen
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check_containers() {
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log_info "Überprüfe Container Status..."
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cd ..
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if ! docker-compose ps | grep -q "django_fbf_db_1.*Up"; then
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log_error "Datenbank-Container läuft nicht. Bitte starte zuerst die Container:"
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echo " cd .."
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echo " docker-compose up -d"
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exit 1
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fi
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# Teste Datenbankverbindung
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if ! docker-compose exec -T db pg_isready -U "$DB_USER" -d "$DB_NAME" &>/dev/null; then
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log_error "Datenbank ist nicht bereit oder erreichbar"
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exit 1
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fi
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cd databaseBackup
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log_success "Container sind bereit und Datenbank ist erreichbar"
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}
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# Erstelle Backup-Verzeichnisstruktur
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create_backup_structure() {
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local current_year=$(date +"%Y")
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local current_month=$(date +"%m")
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local backup_dir="${current_year}/${current_month}"
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mkdir -p "$backup_dir"
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echo "$backup_dir"
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}
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# Datenbank-Backup erstellen
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create_database_backup() {
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local output_name="${1:-fbf-backup.sql}"
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local backup_dir="$2"
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local timestamp=$(date +"%Y%m%d_%H%M%S")
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# Entferne .sql Endung falls vorhanden und füge Timestamp hinzu
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local base_name="${output_name%.sql}"
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local timestamped_name="${base_name}_${timestamp}.sql"
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local backup_path="${backup_dir}/${timestamped_name}"
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local full_backup_path="$(pwd)/${backup_path}"
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# Erstelle Backup mit pg_dump
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cd ..
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if docker-compose exec -T db pg_dump -U "$DB_USER" -d "$DB_NAME" --verbose > "$full_backup_path" 2>/dev/null; then
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cd databaseBackup
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else
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cd databaseBackup
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log_error "Fehler beim Erstellen des Backups"
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exit 1
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fi
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# Erstelle zusätzlich eine Kopie mit Standard-Namen
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local standard_path="${base_name}.sql"
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cp "$backup_path" "$standard_path" 2>/dev/null || true
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echo "$backup_path"
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}
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# Backup-Informationen anzeigen
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show_backup_info() {
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local backup_path="$1"
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local standard_path="$2"
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# Datei-Größe ermitteln
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local file_size=$(stat -f%z "$backup_path" 2>/dev/null || stat -c%s "$backup_path" 2>/dev/null || echo "0")
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local size_display=""
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if command -v numfmt >/dev/null 2>&1; then
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size_display=" ($(numfmt --to=iec $file_size))"
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elif [ "$file_size" -gt 0 ]; then
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size_display=" (${file_size} bytes)"
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fi
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# Anzahl Zeilen zählen
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local line_count=$(wc -l < "$backup_path" | tr -d ' ')
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echo ""
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log_success "Backup-Informationen:"
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echo " 📁 Archiviert: $backup_path$size_display"
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echo " 📄 Standard: $standard_path"
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echo " 📊 Zeilen: $line_count"
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echo " 🕒 Erstellt: $(date)"
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}
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# Datenbank-Statistiken anzeigen
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show_database_stats() {
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log_info "Datenbank-Statistiken:"
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cd ..
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# Zähle Datensätze in wichtigen Tabellen (ohne spezifische Zahlen zu zeigen)
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local tables=("auth_user" "bird_bird" "bird_fallenbird" "contact_contact")
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local total_records=0
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for table in "${tables[@]}"; do
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local count=$(docker-compose exec -T db psql -U "$DB_USER" -d "$DB_NAME" -t -c "SELECT COUNT(*) FROM $table;" 2>/dev/null | tr -d ' \n\r' || echo "0")
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echo " 📦 $table: $count Datensätze"
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if [[ "$count" =~ ^[0-9]+$ ]]; then
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total_records=$((total_records + count))
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fi
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done
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echo " 📊 Gesamt (Haupttabellen): $total_records Datensätze"
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cd databaseBackup
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}
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# Backup Zusammenfassung
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show_backup_summary() {
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local backup_path="$1"
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local standard_path="$2"
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echo ""
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echo -e "${GREEN}╔══════════════════════════════════════════════════════════════╗"
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echo -e "║ Backup erfolgreich erstellt! ║"
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echo -e "╚══════════════════════════════════════════════════════════════╝${NC}"
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echo ""
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echo -e "${BLUE}📋 Backup-Dateien:${NC}"
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echo " 🗄️ Archiv: $backup_path"
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echo " 📄 Standard: $standard_path"
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echo ""
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echo -e "${BLUE}📝 Nützliche Befehle:${NC}"
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echo " ls -la $(dirname "$backup_path") # Backup-Verzeichnis anzeigen"
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echo " ./migrate_live_data.sh $standard_path # Backup wiederherstellen"
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echo " head -20 $standard_path # Backup-Inhalt prüfen"
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echo ""
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echo -e "${YELLOW}💡 Hinweis: Die Standard-Datei '$standard_path' wird bei jedem Backup überschrieben.${NC}"
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echo -e "${YELLOW} Das archivierte Backup '$backup_path' bleibt bestehen.${NC}"
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}
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# Hauptfunktion
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main() {
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local output_name="${1:-fbf-backup}"
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print_banner
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get_db_config
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check_prerequisites
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check_containers
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log_info "Erstelle Backup-Verzeichnisstruktur..."
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local backup_dir=$(create_backup_structure)
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log_success "Verzeichnisstruktur erstellt: $backup_dir"
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log_info "Erstelle Datenbank-Backup..."
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show_progress "Exportiere Datenbank $DB_NAME..."
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local backup_path=$(create_database_backup "$output_name" "$backup_dir")
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local standard_path="${output_name%.sql}.sql"
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log_success "Backup erfolgreich erstellt: $backup_path"
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log_info "Standard-Kopie erstellt: $standard_path"
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show_database_stats
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show_backup_info "$backup_path" "$standard_path"
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show_backup_summary "$backup_path" "$standard_path"
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}
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# Hilfe anzeigen
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show_help() {
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echo "Django FBF Database Backup Script"
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echo ""
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echo "Verwendung: $0 [OPTIONEN] [BACKUP-NAME]"
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echo ""
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echo "OPTIONEN:"
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echo " -h, --help Zeige diese Hilfe an"
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echo ""
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echo "BACKUP-NAME:"
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echo " Name der Backup-Datei (Standard: fbf-backup)"
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echo " Die .sql Endung wird automatisch hinzugefügt"
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echo ""
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echo "AUSGABE:"
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echo " Erstellt zwei Dateien:"
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echo " 1. JAHR/MONAT/NAME_TIMESTAMP.sql (archiviert)"
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echo " 2. NAME.sql (überschreibbar für Migration)"
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echo ""
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echo "Beispiele:"
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echo " $0 # Erstellt fbf-backup.sql"
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echo " $0 production-backup # Erstellt production-backup.sql"
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echo " $0 test-data # Erstellt test-data.sql"
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echo ""
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}
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# Kommandozeilen-Parameter verarbeiten
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case "${1:-}" in
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-h|--help)
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show_help
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exit 0
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;;
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*)
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main "$@"
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;;
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esac
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