"feat: Added debug server and related components for improved development experience"
This commit is contained in:
235
frontend/debug-server/src/app.js
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235
frontend/debug-server/src/app.js
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@@ -0,0 +1,235 @@
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const express = require('express');
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const fs = require('fs');
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const path = require('path');
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const axios = require('axios');
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const os = require('os');
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const { execSync } = require('child_process');
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const app = express();
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const PORT = process.env.PORT || 8081;
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// Konfigurationsdatei
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const CONFIG_FILE = path.join(__dirname, '../../../.env.local');
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const DEFAULT_BACKEND_URL = 'http://192.168.0.105:5000';
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// Middleware
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app.use(express.json());
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app.use(express.urlencoded({ extended: true }));
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app.use(express.static(path.join(__dirname, '../public')));
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app.set('view engine', 'ejs');
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app.set('views', path.join(__dirname, '../public/views'));
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// Hilfsfunktionen
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function getBackendUrl() {
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try {
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if (fs.existsSync(CONFIG_FILE)) {
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const content = fs.readFileSync(CONFIG_FILE, 'utf8');
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const match = content.match(/NEXT_PUBLIC_API_URL=(.+)/);
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if (match && match[1]) {
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return match[1].trim();
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}
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}
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} catch (error) {
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console.error('Fehler beim Lesen der Backend-URL:', error);
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}
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return DEFAULT_BACKEND_URL;
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}
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function setBackendUrl(url) {
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try {
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let content = '';
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if (fs.existsSync(CONFIG_FILE)) {
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content = fs.readFileSync(CONFIG_FILE, 'utf8');
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// Ersetze die URL, wenn sie bereits existiert
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if (content.match(/NEXT_PUBLIC_API_URL=.+/)) {
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content = content.replace(/NEXT_PUBLIC_API_URL=.+/, `NEXT_PUBLIC_API_URL=${url}`);
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} else {
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// Füge die URL hinzu, wenn sie nicht existiert
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content += `\nNEXT_PUBLIC_API_URL=${url}`;
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}
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} else {
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// Erstelle eine neue Datei mit der URL
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content = `NEXT_PUBLIC_API_URL=${url}`;
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}
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fs.writeFileSync(CONFIG_FILE, content, 'utf8');
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return true;
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} catch (error) {
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console.error('Fehler beim Speichern der Backend-URL:', error);
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return false;
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}
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}
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function getNetworkInterfaces() {
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const interfaces = [];
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const networkInterfaces = os.networkInterfaces();
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for (const [name, netInterface] of Object.entries(networkInterfaces)) {
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if (name.startsWith('lo') || name.startsWith('docker') || name.startsWith('br-')) {
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continue;
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}
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for (const iface of netInterface) {
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if (iface.family === 'IPv4' || iface.family === 4) {
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interfaces.push({
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name: name,
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address: iface.address
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});
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break;
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}
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}
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}
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return interfaces;
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}
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function pingHost(host) {
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try {
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const platform = process.platform;
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const cmd = platform === 'win32' ?
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`ping -n 1 -w 1000 ${host}` :
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`ping -c 1 -W 1 ${host}`;
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execSync(cmd, { stdio: 'ignore' });
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return true;
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} catch (error) {
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return false;
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}
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}
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async function testBackendConnection(url) {
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try {
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const response = await axios.get(`${url}/api/test`, { timeout: 3000 });
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return response.status === 200;
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} catch (error) {
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return false;
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}
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}
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// Routen
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app.get('/', async (req, res) => {
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const backendUrl = getBackendUrl();
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const interfaces = getNetworkInterfaces();
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// Analysiere die URL, um Host und Port zu extrahieren
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let backendHost = '';
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let backendPort = '';
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try {
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const url = new URL(backendUrl);
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backendHost = url.hostname;
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backendPort = url.port || (url.protocol === 'https:' ? '443' : '80');
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} catch (error) {
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console.error('Ungültige Backend-URL:', error);
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}
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// Prüfe Backend-Verbindung
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let backendStatus = 'Unbekannt';
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let pingStatus = false;
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if (backendHost) {
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pingStatus = pingHost(backendHost);
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if (pingStatus) {
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try {
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const connectionStatus = await testBackendConnection(backendUrl);
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backendStatus = connectionStatus ? 'Verbunden' : 'Keine API-Verbindung';
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} catch (error) {
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backendStatus = 'Verbindungsfehler';
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}
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} else {
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backendStatus = 'Nicht erreichbar';
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}
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}
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res.render('index', {
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title: 'MYP Frontend Debug',
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backendUrl,
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backendHost,
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backendPort,
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backendStatus,
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pingStatus,
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interfaces,
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lastCheck: new Date().toLocaleString('de-DE')
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});
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});
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app.post('/update-backend', async (req, res) => {
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const { backendUrl } = req.body;
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if (!backendUrl) {
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return res.json({ success: false, message: 'Keine Backend-URL angegeben' });
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}
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// Validiere URL
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try {
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new URL(backendUrl);
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} catch (error) {
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return res.json({ success: false, message: 'Ungültige URL' });
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}
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// Speichere die URL
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const saved = setBackendUrl(backendUrl);
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if (!saved) {
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return res.json({ success: false, message: 'Fehler beim Speichern der URL' });
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}
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// Teste die Verbindung zum Backend
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let connectionStatus = false;
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try {
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connectionStatus = await testBackendConnection(backendUrl);
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} catch (error) {
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// Ignoriere Fehler
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}
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return res.json({
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success: true,
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message: 'Backend-URL erfolgreich aktualisiert',
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connection: connectionStatus
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});
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});
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app.post('/test-backend', async (req, res) => {
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const { backendUrl } = req.body;
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if (!backendUrl) {
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return res.json({ success: false, message: 'Keine Backend-URL angegeben' });
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}
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// Validiere URL
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let hostname = '';
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try {
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const url = new URL(backendUrl);
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hostname = url.hostname;
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} catch (error) {
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return res.json({ success: false, message: 'Ungültige URL' });
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}
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// Teste Ping
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const pingStatus = pingHost(hostname);
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// Teste API-Verbindung
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let connectionStatus = false;
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if (pingStatus) {
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try {
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connectionStatus = await testBackendConnection(backendUrl);
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} catch (error) {
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// Ignoriere Fehler
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}
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}
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return res.json({
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success: true,
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ping: pingStatus,
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connection: connectionStatus
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});
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});
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// Server starten
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app.listen(PORT, () => {
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console.log(`MYP Frontend Debug Server läuft auf Port ${PORT}`);
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});
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471
frontend/debug-server/src/index.js
Normal file
471
frontend/debug-server/src/index.js
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@@ -0,0 +1,471 @@
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// Frontend Debug-Server für MYP
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const express = require('express');
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const path = require('path');
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const http = require('http');
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const si = require('systeminformation');
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const os = require('os');
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const osUtils = require('os-utils');
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const { exec } = require('child_process');
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const fetch = require('node-fetch');
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const socketIo = require('socket.io');
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// Konfiguration
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const app = express();
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const server = http.createServer(app);
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const io = socketIo(server);
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const PORT = 6666;
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const FRONTEND_PORT = 3000;
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const FRONTEND_HOST = 'localhost';
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const BACKEND_HOST = 'localhost';
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const BACKEND_PORT = 5000;
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// View Engine einrichten
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app.set('view engine', 'ejs');
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app.set('views', path.join(__dirname, '../public/views'));
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app.use(express.static(path.join(__dirname, '../public')));
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app.use(express.json());
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// Hauptseite rendern
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app.get('/', async (req, res) => {
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const hostname = os.hostname();
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const networkInterfaces = os.networkInterfaces();
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const ipAddresses = {};
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// IP-Adressen sammeln
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Object.keys(networkInterfaces).forEach(interfaceName => {
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const interfaceInfo = networkInterfaces[interfaceName];
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const ipv4Addresses = interfaceInfo.filter(info => info.family === 'IPv4');
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if (ipv4Addresses.length > 0) {
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ipAddresses[interfaceName] = ipv4Addresses[0].address;
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}
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});
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// Rendere die Hauptseite mit Basisdaten
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res.render('index', {
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hostname: hostname,
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ipAddresses: ipAddresses,
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timestamp: new Date().toLocaleString('de-DE'),
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});
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});
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// API-Endpunkte
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// Systeminformationen
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app.get('/api/system', async (req, res) => {
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try {
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const [cpu, mem, osInfo, diskLayout, fsSize] = await Promise.all([
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si.cpu(),
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si.mem(),
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si.osInfo(),
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si.diskLayout(),
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si.fsSize()
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]);
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const data = {
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cpu: {
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manufacturer: cpu.manufacturer,
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brand: cpu.brand,
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speed: cpu.speed,
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cores: cpu.cores,
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physicalCores: cpu.physicalCores
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},
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memory: {
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total: formatBytes(mem.total),
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free: formatBytes(mem.free),
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used: formatBytes(mem.used),
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usedPercent: Math.round(mem.used / mem.total * 100)
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},
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os: {
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platform: osInfo.platform,
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distro: osInfo.distro,
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release: osInfo.release,
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arch: osInfo.arch,
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uptime: formatUptime(os.uptime())
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},
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filesystem: fsSize.map(fs => ({
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fs: fs.fs,
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type: fs.type,
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size: formatBytes(fs.size),
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used: formatBytes(fs.used),
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available: formatBytes(fs.available),
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mount: fs.mount,
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usePercent: Math.round(fs.use)
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})),
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disks: diskLayout.map(disk => ({
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device: disk.device,
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type: disk.type,
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name: disk.name,
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size: formatBytes(disk.size)
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}))
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};
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res.json(data);
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} catch (error) {
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console.error('Fehler beim Abrufen der Systemdaten:', error);
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res.status(500).json({ error: 'Fehler beim Abrufen der Systemdaten' });
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}
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});
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// Netzwerkinformationen
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app.get('/api/network', async (req, res) => {
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try {
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const [netInterfaces, netStats] = await Promise.all([
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si.networkInterfaces(),
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si.networkStats()
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]);
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const dns = await getDnsServers();
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const gateway = await getDefaultGateway();
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const data = {
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interfaces: netInterfaces.map(iface => ({
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iface: iface.iface,
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ip4: iface.ip4,
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ip6: iface.ip6,
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mac: iface.mac,
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internal: iface.internal,
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operstate: iface.operstate,
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type: iface.type,
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speed: iface.speed,
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dhcp: iface.dhcp
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})),
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stats: netStats.map(stat => ({
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iface: stat.iface,
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rx_bytes: formatBytes(stat.rx_bytes),
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tx_bytes: formatBytes(stat.tx_bytes),
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rx_sec: formatBytes(stat.rx_sec),
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tx_sec: formatBytes(stat.tx_sec)
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})),
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dns: dns,
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gateway: gateway
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};
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res.json(data);
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} catch (error) {
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console.error('Fehler beim Abrufen der Netzwerkdaten:', error);
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res.status(500).json({ error: 'Fehler beim Abrufen der Netzwerkdaten' });
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}
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});
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// Dienststatus
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app.get('/api/services', async (req, res) => {
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try {
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// Prüfen ob Frontend (Next.js) läuft
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const frontendStatus = await checkServiceStatus(FRONTEND_HOST, FRONTEND_PORT);
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// Prüfen ob Backend (Flask) läuft
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const backendStatus = await checkServiceStatus(BACKEND_HOST, BACKEND_PORT);
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// Docker-Container Status abrufen
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const containers = await getDockerContainers();
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const data = {
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frontend: {
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name: 'Next.js Frontend',
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status: frontendStatus ? 'online' : 'offline',
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port: FRONTEND_PORT,
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host: FRONTEND_HOST
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},
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backend: {
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name: 'Flask Backend',
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status: backendStatus ? 'online' : 'offline',
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port: BACKEND_PORT,
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host: BACKEND_HOST
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},
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docker: {
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containers: containers
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}
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};
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res.json(data);
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} catch (error) {
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console.error('Fehler beim Abrufen der Dienststatus:', error);
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res.status(500).json({ error: 'Fehler beim Abrufen der Dienststatus' });
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}
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});
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// Ping-Endpunkt für Netzwerkdiagnose
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app.get('/api/ping/:host', (req, res) => {
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const host = req.params.host;
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// Sicherheitscheck für den Hostnamen
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if (!isValidHostname(host)) {
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return res.status(400).json({ error: 'Ungültiger Hostname oder IP-Adresse' });
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}
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// Ping-Befehl ausführen
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exec(`ping -n 4 ${host}`, (error, stdout, stderr) => {
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if (error) {
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return res.json({
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success: false,
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output: stderr || stdout,
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error: error.message
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});
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}
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res.json({
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success: true,
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output: stdout
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});
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||||
});
|
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});
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// Traceroute-Endpunkt für Netzwerkdiagnose
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app.get('/api/traceroute/:host', (req, res) => {
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const host = req.params.host;
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// Sicherheitscheck für den Hostnamen
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if (!isValidHostname(host)) {
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return res.status(400).json({ error: 'Ungültiger Hostname oder IP-Adresse' });
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}
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// Traceroute-Befehl ausführen (Windows: tracert, Unix: traceroute)
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const command = process.platform === 'win32' ? 'tracert' : 'traceroute';
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exec(`${command} ${host}`, (error, stdout, stderr) => {
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// Traceroute kann einen Nicht-Null-Exit-Code zurückgeben, selbst wenn es teilweise erfolgreich ist
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res.json({
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success: true,
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output: stdout,
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error: stderr
|
||||
});
|
||||
});
|
||||
});
|
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|
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// DNS-Lookup-Endpunkt für Netzwerkdiagnose
|
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app.get('/api/nslookup/:host', (req, res) => {
|
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const host = req.params.host;
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|
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// Sicherheitscheck für den Hostnamen
|
||||
if (!isValidHostname(host)) {
|
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return res.status(400).json({ error: 'Ungültiger Hostname oder IP-Adresse' });
|
||||
}
|
||||
|
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// NSLookup-Befehl ausführen
|
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exec(`nslookup ${host}`, (error, stdout, stderr) => {
|
||||
if (error) {
|
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return res.json({
|
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success: false,
|
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output: stderr || stdout,
|
||||
error: error.message
|
||||
});
|
||||
}
|
||||
|
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res.json({
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success: true,
|
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output: stdout
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
// Echtzeit-Updates über WebSockets
|
||||
io.on('connection', (socket) => {
|
||||
console.log('Neue WebSocket-Verbindung');
|
||||
|
||||
// CPU- und Arbeitsspeichernutzung im Intervall senden
|
||||
const systemMonitorInterval = setInterval(async () => {
|
||||
try {
|
||||
const [cpu, mem] = await Promise.all([
|
||||
si.currentLoad(),
|
||||
si.mem()
|
||||
]);
|
||||
|
||||
socket.emit('system-stats', {
|
||||
cpu: {
|
||||
load: Math.round(cpu.currentLoad),
|
||||
cores: cpu.cpus.map(core => Math.round(core.load))
|
||||
},
|
||||
memory: {
|
||||
total: mem.total,
|
||||
used: mem.used,
|
||||
free: mem.free,
|
||||
usedPercent: Math.round(mem.used / mem.total * 100)
|
||||
}
|
||||
});
|
||||
} catch (error) {
|
||||
console.error('Fehler beim Senden der Systemstatistiken:', error);
|
||||
}
|
||||
}, 2000);
|
||||
|
||||
// Netzwerkstatistiken im Intervall senden
|
||||
const networkMonitorInterval = setInterval(async () => {
|
||||
try {
|
||||
const netStats = await si.networkStats();
|
||||
|
||||
socket.emit('network-stats', {
|
||||
stats: netStats.map(stat => ({
|
||||
iface: stat.iface,
|
||||
rx_bytes: stat.rx_bytes,
|
||||
tx_bytes: stat.tx_bytes,
|
||||
rx_sec: stat.rx_sec,
|
||||
tx_sec: stat.tx_sec
|
||||
}))
|
||||
});
|
||||
} catch (error) {
|
||||
console.error('Fehler beim Senden der Netzwerkstatistiken:', error);
|
||||
}
|
||||
}, 2000);
|
||||
|
||||
// Aufräumen, wenn die Verbindung getrennt wird
|
||||
socket.on('disconnect', () => {
|
||||
console.log('WebSocket-Verbindung getrennt');
|
||||
clearInterval(systemMonitorInterval);
|
||||
clearInterval(networkMonitorInterval);
|
||||
});
|
||||
});
|
||||
|
||||
// Hilfsfunktionen
|
||||
|
||||
// Bytes in lesbare Größen formatieren
|
||||
function formatBytes(bytes, decimals = 2) {
|
||||
if (bytes === 0) return '0 B';
|
||||
|
||||
const k = 1024;
|
||||
const sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
|
||||
|
||||
const i = Math.floor(Math.log(bytes) / Math.log(k));
|
||||
return parseFloat((bytes / Math.pow(k, i)).toFixed(decimals)) + ' ' + sizes[i];
|
||||
}
|
||||
|
||||
// Uptime in lesbare Zeit formatieren
|
||||
function formatUptime(seconds) {
|
||||
const days = Math.floor(seconds / 86400);
|
||||
const hours = Math.floor((seconds % 86400) / 3600);
|
||||
const minutes = Math.floor((seconds % 3600) / 60);
|
||||
const secs = Math.floor(seconds % 60);
|
||||
|
||||
return `${days} Tage, ${hours} Stunden, ${minutes} Minuten, ${secs} Sekunden`;
|
||||
}
|
||||
|
||||
// Service-Status überprüfen
|
||||
async function checkServiceStatus(host, port) {
|
||||
return new Promise(resolve => {
|
||||
const socket = new (require('net').Socket)();
|
||||
|
||||
socket.setTimeout(1000);
|
||||
|
||||
socket.on('connect', () => {
|
||||
socket.destroy();
|
||||
resolve(true);
|
||||
});
|
||||
|
||||
socket.on('timeout', () => {
|
||||
socket.destroy();
|
||||
resolve(false);
|
||||
});
|
||||
|
||||
socket.on('error', () => {
|
||||
socket.destroy();
|
||||
resolve(false);
|
||||
});
|
||||
|
||||
socket.connect(port, host);
|
||||
});
|
||||
}
|
||||
|
||||
// Docker-Container abfragen
|
||||
async function getDockerContainers() {
|
||||
return new Promise((resolve) => {
|
||||
exec('docker ps --format "{{.ID}},{{.Image}},{{.Status}},{{.Ports}},{{.Names}}"', (error, stdout) => {
|
||||
if (error) {
|
||||
resolve([]);
|
||||
return;
|
||||
}
|
||||
|
||||
const containers = [];
|
||||
const lines = stdout.trim().split('\n');
|
||||
|
||||
for (const line of lines) {
|
||||
if (line) {
|
||||
const [id, image, status, ports, name] = line.split(',');
|
||||
containers.push({ id, image, status, ports, name });
|
||||
}
|
||||
}
|
||||
|
||||
resolve(containers);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
// DNS-Server abfragen
|
||||
async function getDnsServers() {
|
||||
return new Promise((resolve) => {
|
||||
if (process.platform === 'win32') {
|
||||
// Windows: DNS-Server über PowerShell abfragen
|
||||
exec('powershell.exe -Command "Get-DnsClientServerAddress -AddressFamily IPv4 | Select-Object -ExpandProperty ServerAddresses"', (error, stdout) => {
|
||||
if (error) {
|
||||
resolve(['DNS-Server konnten nicht ermittelt werden']);
|
||||
return;
|
||||
}
|
||||
|
||||
const servers = stdout.trim().split('\r\n').filter(Boolean);
|
||||
resolve(servers);
|
||||
});
|
||||
} else {
|
||||
// Unix: DNS-Server aus /etc/resolv.conf lesen
|
||||
exec('cat /etc/resolv.conf | grep nameserver | cut -d " " -f 2', (error, stdout) => {
|
||||
if (error) {
|
||||
resolve(['DNS-Server konnten nicht ermittelt werden']);
|
||||
return;
|
||||
}
|
||||
|
||||
const servers = stdout.trim().split('\n').filter(Boolean);
|
||||
resolve(servers);
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// Standard-Gateway abfragen
|
||||
async function getDefaultGateway() {
|
||||
return new Promise((resolve) => {
|
||||
if (process.platform === 'win32') {
|
||||
// Windows: Gateway über PowerShell abfragen
|
||||
exec('powershell.exe -Command "Get-NetRoute -DestinationPrefix 0.0.0.0/0 | Select-Object -ExpandProperty NextHop"', (error, stdout) => {
|
||||
if (error) {
|
||||
resolve('Gateway konnte nicht ermittelt werden');
|
||||
return;
|
||||
}
|
||||
|
||||
resolve(stdout.trim());
|
||||
});
|
||||
} else {
|
||||
// Unix: Gateway aus den Routentabellen lesen
|
||||
exec("ip route | grep default | awk '{print $3}'", (error, stdout) => {
|
||||
if (error) {
|
||||
resolve('Gateway konnte nicht ermittelt werden');
|
||||
return;
|
||||
}
|
||||
|
||||
resolve(stdout.trim());
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// Validierung des Hostnamens für Sicherheit
|
||||
function isValidHostname(hostname) {
|
||||
// Längenprüfung
|
||||
if (!hostname || hostname.length > 255) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Erlaubte Hostnamen
|
||||
if (hostname === 'localhost' || hostname === '127.0.0.1') {
|
||||
return true;
|
||||
}
|
||||
|
||||
// IPv4-Prüfung
|
||||
const ipv4Regex = /^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
|
||||
if (ipv4Regex.test(hostname)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// Hostname-Prüfung
|
||||
const hostnameRegex = /^[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?)*$/;
|
||||
return hostnameRegex.test(hostname);
|
||||
}
|
||||
|
||||
// Server starten
|
||||
server.listen(PORT, () => {
|
||||
console.log(`MYP Frontend Debug-Server läuft auf http://localhost:${PORT}`);
|
||||
});
|
||||
Reference in New Issue
Block a user