Initial commit - Resource Monitor with Ubuntu installer
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const express = require('express');
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const cors = require('cors');
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const path = require('path');
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require('dotenv').config();
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const db = require('./database');
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const scheduler = require('./scheduler');
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const monitorService = require('./monitorService');
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const app = express();
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const PORT = process.env.PORT || 3001;
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app.use(cors());
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app.use(express.json());
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// API Routes
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// Get all resources
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app.get('/api/resources', (req, res) => {
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const resources = db.prepare('SELECT * FROM resources ORDER BY name').all();
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res.json(resources);
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});
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// Get single resource with stats
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app.get('/api/resources/:id', (req, res) => {
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const resource = db.prepare('SELECT * FROM resources WHERE id = ?').get(req.params.id);
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if (!resource) {
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return res.status(404).json({ error: 'Resource not found' });
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}
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const stats = monitorService.getResourceStats(resource.id, 24);
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const lastCheck = monitorService.getLastCheck(resource.id);
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const activeIncident = db.prepare(`
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SELECT * FROM incidents
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WHERE resource_id = ? AND resolved_at IS NULL
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`).get(resource.id);
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res.json({
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...resource,
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stats,
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lastCheck,
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hasActiveIncident: !!activeIncident,
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});
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});
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// Create resource
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app.post('/api/resources', (req, res) => {
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const { name, url, type, check_interval, timeout } = req.body;
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if (!name || !url) {
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return res.status(400).json({ error: 'Name and URL are required' });
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}
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const stmt = db.prepare(`
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INSERT INTO resources (name, url, type, check_interval, timeout)
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VALUES (?, ?, ?, ?, ?)
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`);
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const result = stmt.run(
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name,
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url,
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type || 'http',
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check_interval || 60000,
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timeout || 5000
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);
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res.json({ id: result.lastInsertRowid, message: 'Resource created' });
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});
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// Update resource
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app.put('/api/resources/:id', (req, res) => {
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const { name, url, type, check_interval, timeout, enabled } = req.body;
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const stmt = db.prepare(`
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UPDATE resources
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SET name = ?, url = ?, type = ?, check_interval = ?, timeout = ?, enabled = ?
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WHERE id = ?
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`);
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stmt.run(name, url, type, check_interval, timeout, enabled ? 1 : 0, req.params.id);
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res.json({ message: 'Resource updated' });
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});
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// Delete resource
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app.delete('/api/resources/:id', (req, res) => {
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db.prepare('DELETE FROM resources WHERE id = ?').run(req.params.id);
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res.json({ message: 'Resource deleted' });
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});
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// Get dashboard overview
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app.get('/api/dashboard', (req, res) => {
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const resources = db.prepare('SELECT * FROM resources').all();
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const overview = resources.map(resource => {
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const lastCheck = monitorService.getLastCheck(resource.id);
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const stats = monitorService.getResourceStats(resource.id, 24);
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const activeIncident = db.prepare(`
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SELECT * FROM incidents
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WHERE resource_id = ? AND resolved_at IS NULL
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`).get(resource.id);
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return {
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id: resource.id,
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name: resource.name,
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url: resource.url,
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enabled: resource.enabled,
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status: lastCheck?.status || 'unknown',
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uptime: stats.uptime,
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avgResponseTime: stats.avgResponseTime,
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lastCheck: lastCheck?.checked_at,
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hasActiveIncident: !!activeIncident,
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};
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});
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res.json(overview);
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});
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// Get incidents
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app.get('/api/incidents', (req, res) => {
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const incidents = db.prepare(`
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SELECT i.*, r.name as resource_name, r.url as resource_url
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FROM incidents i
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JOIN resources r ON i.resource_id = r.id
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ORDER BY i.started_at DESC
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LIMIT 50
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`).all();
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res.json(incidents);
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});
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// Get settings
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app.get('/api/settings', (req, res) => {
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const settings = {
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email_enabled: process.env.EMAIL_ENABLED === 'true',
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email_host: process.env.EMAIL_HOST || 'smtp.gmail.com',
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email_port: parseInt(process.env.EMAIL_PORT) || 587,
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email_user: process.env.EMAIL_USER || '',
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email_pass: '', // Don't send password to client
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email_from: process.env.EMAIL_FROM || '',
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email_to: process.env.EMAIL_TO || '',
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webhook_enabled: process.env.WEBHOOK_ENABLED === 'true',
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webhook_url: process.env.WEBHOOK_URL || '',
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check_interval: parseInt(process.env.CHECK_INTERVAL) || 60000,
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timeout: parseInt(process.env.TIMEOUT) || 5000,
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};
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res.json(settings);
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});
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// Save settings
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app.post('/api/settings', (req, res) => {
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const fs = require('fs');
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const path = require('path');
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const envPath = path.join(__dirname, '../.env');
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const {
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email_enabled,
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email_host,
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email_port,
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email_user,
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email_pass,
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email_from,
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email_to,
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webhook_enabled,
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webhook_url,
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check_interval,
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timeout,
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} = req.body;
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const envContent = `PORT=${process.env.PORT || 3001}
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EMAIL_ENABLED=${email_enabled}
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EMAIL_HOST=${email_host}
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EMAIL_PORT=${email_port}
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EMAIL_USER=${email_user}
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EMAIL_PASS=${email_pass || process.env.EMAIL_PASS || ''}
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EMAIL_FROM=${email_from}
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EMAIL_TO=${email_to}
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WEBHOOK_ENABLED=${webhook_enabled}
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WEBHOOK_URL=${webhook_url}
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CHECK_INTERVAL=${check_interval}
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TIMEOUT=${timeout}
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`;
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try {
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fs.writeFileSync(envPath, envContent);
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res.json({ message: 'Settings saved successfully' });
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} catch (error) {
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console.error('Error saving settings:', error);
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res.status(500).json({ error: 'Failed to save settings' });
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}
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});
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// Test email
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app.post('/api/test-email', async (req, res) => {
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const nodemailer = require('nodemailer');
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const { email_host, email_port, email_user, email_pass, email_from, email_to } = req.body;
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try {
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const transporter = nodemailer.createTransport({
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host: email_host,
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port: parseInt(email_port),
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secure: false,
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auth: {
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user: email_user,
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pass: email_pass,
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},
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});
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await transporter.sendMail({
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from: email_from,
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to: email_to,
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subject: 'Test Email from Resource Monitor',
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text: `This is a test email from your Resource Monitor system.\n\nTime: ${new Date().toLocaleString()}\n\nIf you received this, your email notifications are working correctly!`,
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});
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res.json({ message: 'Test email sent successfully! Check your inbox.' });
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} catch (error) {
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console.error('Test email error:', error);
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res.status(500).json({ error: error.message });
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}
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});
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// Test webhook
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app.post('/api/test-webhook', async (req, res) => {
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const axios = require('axios');
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const { webhook_url } = req.body;
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try {
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await axios.post(webhook_url, {
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resource: 'Test Resource',
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url: 'https://example.com',
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status: 'test',
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message: 'This is a test webhook from Resource Monitor',
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timestamp: new Date().toISOString(),
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});
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res.json({ message: 'Test webhook sent successfully!' });
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} catch (error) {
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console.error('Test webhook error:', error);
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res.status(500).json({ error: error.message });
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}
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});
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// Serve React app in production
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if (process.env.NODE_ENV === 'production') {
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app.use(express.static(path.join(__dirname, '../client/build')));
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app.get('*', (req, res) => {
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res.sendFile(path.join(__dirname, '../client/build/index.html'));
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});
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}
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// Start server
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app.listen(PORT, () => {
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console.log(`Server running on http://localhost:${PORT}`);
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scheduler.start();
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});
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