chore: Änderungen commited
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386
backend/scripts/diagnose_network.sh
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386
backend/scripts/diagnose_network.sh
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#!/bin/bash
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#######################################################################
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# MYP Network Diagnostics Tool
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#
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# Umfassende Netzwerk-Diagnose für VM-Umgebungen
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# Identifiziert Internet-Verbindungsprobleme vor Installation
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#######################################################################
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set -euo pipefail
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# Farben für Output
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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'
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# Logging-Funktion
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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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local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
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case "$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} $message" ;;
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esac
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}
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main() {
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clear
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echo "=================================================================================================="
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echo " MYP NETWORK DIAGNOSTICS TOOL"
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echo "=================================================================================================="
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echo
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# System-Information
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show_system_info
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# Netzwerk-Tests
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run_network_tests
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# Internet-Konnektivitäts-Tests
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run_internet_tests
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# VM-spezifische Tests
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run_vm_tests
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# Empfehlungen
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show_recommendations
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}
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show_system_info() {
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log "INFO" "=== SYSTEM-INFORMATION ==="
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# Betriebssystem
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if command -v lsb_release &>/dev/null; then
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local os_info=$(lsb_release -d | cut -f2)
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log "INFO" "Betriebssystem: $os_info"
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fi
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# Kernel
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log "INFO" "Kernel: $(uname -r)"
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# Architektur
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log "INFO" "Architektur: $(uname -m)"
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# Virtualisierung
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if command -v systemd-detect-virt &>/dev/null; then
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local virt_type=$(systemd-detect-virt)
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if [[ "$virt_type" != "none" ]]; then
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log "INFO" "Virtualisierung: $virt_type"
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else
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log "INFO" "Virtualisierung: Physisches System"
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fi
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fi
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echo
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}
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run_network_tests() {
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log "INFO" "=== NETZWERK-INTERFACE-TESTS ==="
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# Aktive Interfaces
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local interfaces=$(ip link show | grep -c "state UP")
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log "INFO" "Aktive Netzwerk-Interfaces: $interfaces"
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if [[ $interfaces -eq 0 ]]; then
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log "ERROR" "❌ Keine aktiven Netzwerk-Interfaces gefunden!"
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return 1
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fi
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# Interface-Details
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log "INFO" "Interface-Details:"
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ip addr show | grep -E "(inet |UP)" | while read line; do
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log "DEBUG" " $line"
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done
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# Routing-Tabelle
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log "INFO" "Routing-Tabelle:"
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ip route show | head -5 | while read line; do
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log "DEBUG" " $line"
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done
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# Gateway-Test
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local gateway=$(ip route show default | awk '/default/ {print $3}' | head -1)
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if [[ -n "$gateway" ]]; then
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log "INFO" "Default Gateway: $gateway"
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log "INFO" "Teste Gateway-Erreichbarkeit..."
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if timeout 10 ping -c 3 -W 5 "$gateway" &>/dev/null; then
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log "INFO" "✅ Gateway $gateway erreichbar"
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else
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log "ERROR" "❌ Gateway $gateway nicht erreichbar"
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fi
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else
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log "ERROR" "❌ Kein Default Gateway konfiguriert"
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fi
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echo
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}
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run_internet_tests() {
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log "INFO" "=== INTERNET-KONNEKTIVITÄTS-TESTS ==="
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# DNS-Konfiguration prüfen
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log "INFO" "DNS-Konfiguration:"
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if [[ -f /etc/resolv.conf ]]; then
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grep nameserver /etc/resolv.conf | head -3 | while read line; do
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log "DEBUG" " $line"
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done
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fi
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# DNS-Server-Tests
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log "INFO" "Teste DNS-Server-Erreichbarkeit..."
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local dns_servers=("8.8.8.8" "1.1.1.1" "9.9.9.9" "208.67.222.222")
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local dns_success=0
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for dns in "${dns_servers[@]}"; do
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log "INFO" "Teste DNS-Server: $dns"
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if timeout 15 ping -c 2 -W 5 "$dns" &>/dev/null; then
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log "INFO" "✅ DNS-Server $dns erreichbar"
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dns_success=$((dns_success + 1))
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else
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log "WARN" "❌ DNS-Server $dns nicht erreichbar"
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fi
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done
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if [[ $dns_success -eq 0 ]]; then
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log "ERROR" "❌ Keine DNS-Server erreichbar!"
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else
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log "INFO" "✅ $dns_success von ${#dns_servers[@]} DNS-Servern erreichbar"
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fi
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# Domain-Auflösung testen
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log "INFO" "Teste Domain-Auflösung..."
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local domains=("google.com" "github.com" "cloudflare.com")
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local resolution_success=0
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for domain in "${domains[@]}"; do
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log "INFO" "Teste Domain: $domain"
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if timeout 15 nslookup "$domain" &>/dev/null; then
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log "INFO" "✅ $domain aufgelöst"
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resolution_success=$((resolution_success + 1))
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else
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log "WARN" "❌ $domain nicht auflösbar"
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fi
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done
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if [[ $resolution_success -eq 0 ]]; then
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log "ERROR" "❌ Domain-Auflösung fehlgeschlagen!"
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else
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log "INFO" "✅ $resolution_success von ${#domains[@]} Domains aufgelöst"
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fi
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# HTTP-Konnektivität testen
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log "INFO" "Teste HTTP-Konnektivität..."
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local http_success=0
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# curl-Tests
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if command -v curl &>/dev/null; then
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local urls=(
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"http://connectivitycheck.gstatic.com/generate_204"
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"http://www.google.com"
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"http://github.com"
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)
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for url in "${urls[@]}"; do
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log "INFO" "Teste URL: $url"
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if timeout 20 curl -s -f --connect-timeout 15 --max-time 25 "$url" &>/dev/null; then
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log "INFO" "✅ $url erreichbar"
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http_success=$((http_success + 1))
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else
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log "WARN" "❌ $url nicht erreichbar"
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fi
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done
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fi
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# wget-Tests als Fallback
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if command -v wget &>/dev/null && [[ $http_success -eq 0 ]]; then
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log "INFO" "Teste mit wget..."
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if timeout 20 wget --timeout=15 --tries=2 -q -O /dev/null "http://www.google.com"; then
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log "INFO" "✅ wget-Test erfolgreich"
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http_success=$((http_success + 1))
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else
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log "WARN" "❌ wget-Test fehlgeschlagen"
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fi
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fi
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if [[ $http_success -eq 0 ]]; then
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log "ERROR" "❌ HTTP-Konnektivität fehlgeschlagen!"
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else
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log "INFO" "✅ HTTP-Konnektivität verfügbar"
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fi
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echo
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}
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run_vm_tests() {
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log "INFO" "=== VM-SPEZIFISCHE TESTS ==="
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# VM-Detection
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local is_vm=false
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local virt_type="unknown"
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if command -v systemd-detect-virt &>/dev/null; then
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virt_type=$(systemd-detect-virt)
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if [[ "$virt_type" != "none" ]]; then
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is_vm=true
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log "INFO" "VM-Umgebung erkannt: $virt_type"
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fi
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fi
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# DMI-basierte Detection
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if [[ -f /sys/class/dmi/id/product_name ]]; then
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local product_name=$(cat /sys/class/dmi/id/product_name 2>/dev/null)
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if [[ "$product_name" =~ (VMware|VirtualBox|KVM|QEMU|Hyper-V) ]]; then
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is_vm=true
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log "INFO" "VM via DMI erkannt: $product_name"
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fi
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fi
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if [[ "$is_vm" == "true" ]]; then
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log "INFO" "🖥️ Virtuelle Maschine erkannt"
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# VM-spezifische Empfehlungen
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case "$virt_type" in
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"vmware")
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log "INFO" "VMware-Umgebung: Prüfe NAT/Bridge-Modus"
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;;
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"virtualbox")
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log "INFO" "VirtualBox-Umgebung: Prüfe Netzwerk-Adapter-Typ"
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;;
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"kvm"|"qemu")
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log "INFO" "KVM/QEMU-Umgebung: Prüfe virtio-Netzwerk-Driver"
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;;
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"hyper-v")
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log "INFO" "Hyper-V-Umgebung: Prüfe Integration Services"
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;;
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esac
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# VM-Performance-Tests
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log "INFO" "Teste VM-Netzwerk-Performance..."
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local start_time=$(date +%s%N)
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timeout 10 ping -c 1 8.8.8.8 &>/dev/null
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local end_time=$(date +%s%N)
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local ping_time=$(( (end_time - start_time) / 1000000 )) # ms
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log "INFO" "Ping-Latenz: ${ping_time}ms"
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if [[ $ping_time -gt 1000 ]]; then
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log "WARN" "⚠️ Hohe Ping-Latenz ($ping_time ms) - VM-Netzwerk könnte langsam sein"
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fi
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else
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log "INFO" "🖥️ Physisches System erkannt"
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fi
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echo
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}
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show_recommendations() {
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log "INFO" "=== EMPFEHLUNGEN ==="
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# Sammle Test-Ergebnisse
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local has_internet=false
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local is_vm=false
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local needs_vm_mode=false
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# Internet-Check
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if timeout 10 ping -c 1 8.8.8.8 &>/dev/null; then
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has_internet=true
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fi
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# VM-Check
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if command -v systemd-detect-virt &>/dev/null; then
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local virt_type=$(systemd-detect-virt)
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if [[ "$virt_type" != "none" ]]; then
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is_vm=true
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fi
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fi
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# Performance-Check
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local start_time=$(date +%s%N)
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timeout 5 ping -c 1 8.8.8.8 &>/dev/null 2>&1 || true
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local end_time=$(date +%s%N)
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local ping_time=$(( (end_time - start_time) / 1000000 ))
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if [[ $ping_time -gt 500 ]] || [[ "$is_vm" == "true" ]]; then
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needs_vm_mode=true
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fi
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# Empfehlungen basierend auf Ergebnissen
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if [[ "$has_internet" == "true" ]]; then
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log "INFO" "✅ Internet-Verbindung verfügbar"
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if [[ "$needs_vm_mode" == "true" ]]; then
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log "INFO" "🚀 Empfohlene Installation (VM-Modus):"
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echo " sudo ./setup/aio_installer.sh --vm-mode --full"
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else
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log "INFO" "🚀 Empfohlene Installation:"
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echo " sudo ./setup/aio_installer.sh --full"
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fi
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else
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log "WARN" "⚠️ Internet-Verbindung problematisch"
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log "INFO" "🔧 Mögliche Lösungen:"
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echo " 1. Warten (1-2 Minuten nach VM-Start):"
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echo " sleep 120"
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echo " sudo ./setup/aio_installer.sh --vm-mode --full"
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echo
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echo " 2. VM-Netzwerk-Einstellungen prüfen:"
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echo " - NAT-Modus aktivieren"
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echo " - Bridge-Modus versuchen"
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echo " - VM neu starten"
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echo
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echo " 3. Offline-Installation:"
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echo " sudo ./setup/aio_installer.sh --force-offline --full"
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echo
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echo " 4. Internet-Check überspringen:"
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echo " sudo ./setup/aio_installer.sh --skip-internet-check --full"
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fi
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# Zusätzliche VM-Empfehlungen
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if [[ "$is_vm" == "true" ]]; then
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log "INFO" "🖥️ VM-spezifische Tipps:"
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echo " - Mindestens 2GB RAM zuweisen"
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echo " - NAT-Netzwerk-Modus verwenden"
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echo " - Nach VM-Start 2 Minuten warten"
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echo " - Bei Problemen: VM neu starten"
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fi
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# Proxy-Erkennung
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if [[ -n "${http_proxy:-}" ]] || [[ -n "${HTTP_PROXY:-}" ]]; then
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log "INFO" "🌐 Proxy-Umgebung erkannt:"
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echo " - Corporate-Proxy: ${http_proxy:-$HTTP_PROXY}"
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echo " - Möglicherweise erweiterte Timeouts erforderlich"
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fi
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echo
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log "INFO" "📋 Zusammenfassung:"
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echo " Internet verfügbar: $(if [[ "$has_internet" == "true" ]]; then echo "✅ JA"; else echo "❌ NEIN"; fi)"
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echo " VM-Umgebung: $(if [[ "$is_vm" == "true" ]]; then echo "✅ JA"; else echo "❌ NEIN"; fi)"
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echo " VM-Modus empfohlen: $(if [[ "$needs_vm_mode" == "true" ]]; then echo "✅ JA"; else echo "❌ NEIN"; fi)"
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}
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# Kommandozeilen-Argumente
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case "${1:-}" in
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--help|-h)
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echo "MYP Network Diagnostics Tool"
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echo "Verwendung: $0 [OPTION]"
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echo
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echo "Optionen:"
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echo " --help, -h Diese Hilfe anzeigen"
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echo " (keine) Vollständige Netzwerk-Diagnose"
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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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Reference in New Issue
Block a user