chore: Änderungen commited
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182
backend/setup/vm-internet-check.sh
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182
backend/setup/vm-internet-check.sh
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#!/bin/bash
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#######################################################################
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# VM Internet-Verbindung Diagnose und Reparatur
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#
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# Speziell für virtuelle Maschinen mit Internet-Verbindungsproblemen
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# im MYP AIO-Installer
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#######################################################################
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set -euo pipefail
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# Farben für Ausgabe
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readonly RED='\033[0;31m'
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readonly GREEN='\033[0;32m'
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readonly YELLOW='\033[1;33m'
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readonly BLUE='\033[0;34m'
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readonly NC='\033[0m' # No Color
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log() {
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local level="$1"
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shift
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local message="$*"
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case "$level" in
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"INFO") echo -e "${GREEN}[INFO]${NC} $message" ;;
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"WARN") echo -e "${YELLOW}[WARN]${NC} $message" ;;
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"ERROR") echo -e "${RED}[ERROR]${NC} $message" ;;
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"DEBUG") echo -e "${BLUE}[DEBUG]${NC} $message" ;;
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esac
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}
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echo "🔍 MYP VM Internet-Verbindung Diagnose"
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echo "======================================"
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echo
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# 1. VM-Umgebung prüfen
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log "INFO" "Prüfe VM-Umgebung..."
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if command -v systemd-detect-virt &>/dev/null; then
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virt_type=$(systemd-detect-virt)
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if [[ "$virt_type" != "none" ]]; then
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log "INFO" "✓ VM-Umgebung erkannt: $virt_type"
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else
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log "WARN" "Keine VM-Umgebung erkannt (aber Script wurde manuell gestartet)"
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fi
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else
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log "WARN" "systemd-detect-virt nicht verfügbar"
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fi
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# 2. Netzwerk-Interface prüfen
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log "INFO" "Prüfe Netzwerk-Interfaces..."
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active_interfaces=$(ip link show | grep "state UP" | wc -l)
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if [[ $active_interfaces -gt 0 ]]; then
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log "INFO" "✓ $active_interfaces aktive Netzwerk-Interface(s)"
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ip link show | grep "state UP" | while read line; do
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interface=$(echo "$line" | awk -F: '{print $2}' | tr -d ' ')
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log "DEBUG" " - Interface: $interface"
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done
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else
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log "ERROR" "✗ Keine aktiven Netzwerk-Interfaces"
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exit 1
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fi
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# 3. IP-Adressen prüfen
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log "INFO" "Prüfe IP-Adressen..."
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ip_addresses=$(hostname -I 2>/dev/null | tr ' ' '\n' | grep -v '^$' || echo "")
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if [[ -n "$ip_addresses" ]]; then
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log "INFO" "✓ IP-Adressen gefunden:"
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echo "$ip_addresses" | while read ip; do
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[[ -n "$ip" ]] && log "DEBUG" " - $ip"
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done
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else
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log "ERROR" "✗ Keine IP-Adressen gefunden"
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exit 1
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fi
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# 4. DNS-Konfiguration prüfen
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log "INFO" "Prüfe DNS-Konfiguration..."
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if [[ -f "/etc/resolv.conf" ]]; then
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dns_servers=$(grep "^nameserver" /etc/resolv.conf | awk '{print $2}' | head -3)
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if [[ -n "$dns_servers" ]]; then
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log "INFO" "✓ DNS-Server konfiguriert:"
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echo "$dns_servers" | while read dns; do
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log "DEBUG" " - $dns"
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done
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else
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log "WARN" "Keine DNS-Server in /etc/resolv.conf gefunden"
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fi
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else
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log "WARN" "/etc/resolv.conf nicht gefunden"
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fi
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# 5. Gateway prüfen
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log "INFO" "Prüfe Standard-Gateway..."
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default_gateway=$(ip route | grep "^default" | awk '{print $3}' | head -1)
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if [[ -n "$default_gateway" ]]; then
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log "INFO" "✓ Standard-Gateway: $default_gateway"
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# Gateway-Ping testen
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if ping -c 2 -W 10 "$default_gateway" &>/dev/null; then
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log "INFO" "✓ Gateway erreichbar"
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else
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log "ERROR" "✗ Gateway nicht erreichbar"
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fi
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else
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log "ERROR" "✗ Kein Standard-Gateway gefunden"
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fi
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# 6. Internet-Konnektivität testen (erweitert)
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log "INFO" "Teste Internet-Konnektivität (VM-optimiert)..."
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test_hosts=(
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"8.8.8.8:Google DNS"
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"1.1.1.1:Cloudflare DNS"
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"9.9.9.9:Quad9 DNS"
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"208.67.222.222:OpenDNS"
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)
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internet_working=false
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for host_info in "${test_hosts[@]}"; do
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host=$(echo "$host_info" | cut -d: -f1)
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name=$(echo "$host_info" | cut -d: -f2)
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log "DEBUG" "Teste $name ($host)..."
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if timeout 20 ping -c 3 -W 10 "$host" &>/dev/null; then
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log "INFO" "✓ Internet-Verbindung über $name erfolgreich"
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internet_working=true
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break
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else
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log "WARN" "✗ $name nicht erreichbar"
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fi
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done
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# 7. HTTP-Konnektivität testen
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if [[ "$internet_working" == "true" ]]; then
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log "INFO" "Teste HTTP-Konnektivität..."
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test_urls=(
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"http://connectivitycheck.gstatic.com/generate_204"
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"http://www.gstatic.com/generate_204"
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"http://clients3.google.com/generate_204"
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)
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for url in "${test_urls[@]}"; do
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if timeout 30 curl -sf --connect-timeout 20 --max-time 25 "$url" &>/dev/null; then
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log "INFO" "✓ HTTP-Verbindung erfolgreich zu $url"
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break
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else
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log "WARN" "✗ HTTP-Verbindung fehlgeschlagen zu $url"
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fi
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done
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fi
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# 8. Fazit und Empfehlungen
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echo
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echo "🎯 DIAGNOSE-ERGEBNIS:"
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echo "===================="
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if [[ "$internet_working" == "true" ]]; then
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log "INFO" "✅ Internet-Verbindung funktioniert!"
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echo
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echo "🚀 EMPFOHLENE BEFEHLE FÜR MYP-INSTALLATION:"
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echo "sudo ./setup/aio_installer.sh --vm-mode --full"
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echo "oder"
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echo "sudo ./setup/aio_installer.sh --skip-internet-check --full"
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echo
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else
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log "ERROR" "❌ Internet-Verbindung problematisch"
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echo
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echo "🔧 LÖSUNGSVORSCHLÄGE:"
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echo "1. VM-Netzwerk-Einstellungen prüfen (NAT vs. Bridge)"
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echo "2. VM neu starten und 2 Minuten warten"
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echo "3. Host-Internet-Verbindung prüfen"
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echo "4. Firewall/Proxy-Einstellungen prüfen"
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echo
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echo "🚀 TROTZDEM VERSUCHEN:"
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echo "sudo ./setup/aio_installer.sh --force-offline --full"
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echo
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fi
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echo "📋 WEITERE OPTIONEN:"
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echo "sudo ./setup/aio_installer.sh --help"
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