495 lines
14 KiB
JavaScript
495 lines
14 KiB
JavaScript
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 notificationService = require('./notificationService');
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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 groups
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app.get('/api/groups', (req, res) => {
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const groups = db.prepare('SELECT * FROM groups ORDER BY name').all();
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res.json(groups);
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});
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// Create group
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app.post('/api/groups', (req, res) => {
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const { name, description } = req.body;
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if (!name) {
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return res.status(400).json({ error: 'Group name is required' });
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}
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try {
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const result = db.prepare('INSERT INTO groups (name, description) VALUES (?, ?)').run(name, description || '');
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res.json({ id: result.lastInsertRowid, message: 'Group created' });
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} catch (error) {
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res.status(400).json({ error: 'Group name must be unique' });
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}
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});
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// Delete group
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app.delete('/api/groups/:id', (req, res) => {
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db.prepare('DELETE FROM groups WHERE id = ?').run(req.params.id);
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res.json({ message: 'Group deleted' });
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});
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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 group_id, 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, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target } = 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, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target)
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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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group_id || null,
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http_keyword || null,
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http_headers || null,
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quiet_hours_start || null,
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quiet_hours_end || null,
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cert_expiry_days || 30,
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sla_target || 99.9
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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, group_id, http_keyword, http_headers, quiet_hours_start, quiet_hours_end, cert_expiry_days, sla_target } = 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 = ?, group_id = ?, http_keyword = ?, http_headers = ?, quiet_hours_start = ?, quiet_hours_end = ?, cert_expiry_days = ?, sla_target = ?
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WHERE id = ?
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`);
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stmt.run(
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name,
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url,
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type,
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check_interval,
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timeout,
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enabled ? 1 : 0,
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group_id || null,
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http_keyword || null,
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http_headers || null,
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quiet_hours_start || null,
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quiet_hours_end || null,
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cert_expiry_days || 30,
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sla_target || 99.9,
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req.params.id
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);
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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 (grouped)
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app.get('/api/dashboard', (req, res) => {
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const resources = db.prepare('SELECT * FROM resources ORDER BY group_id, name').all();
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const groups = db.prepare('SELECT * FROM groups ORDER BY name').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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const recentChecks = db.prepare(`
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SELECT response_time, status, checked_at
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FROM checks
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WHERE resource_id = ?
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ORDER BY checked_at DESC
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LIMIT 15
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`).all(resource.id).reverse();
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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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type: resource.type,
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group_id: resource.group_id,
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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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recentChecks,
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};
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});
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res.json({ resources: overview, groups });
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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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// Keep runtime config in sync without requiring a restart
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process.env.EMAIL_ENABLED = String(email_enabled);
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process.env.EMAIL_HOST = email_host;
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process.env.EMAIL_PORT = String(email_port);
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process.env.EMAIL_USER = email_user;
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process.env.EMAIL_PASS = email_pass || process.env.EMAIL_PASS || '';
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process.env.EMAIL_FROM = email_from;
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process.env.EMAIL_TO = email_to;
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process.env.WEBHOOK_ENABLED = String(webhook_enabled);
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process.env.WEBHOOK_URL = webhook_url;
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process.env.CHECK_INTERVAL = String(check_interval);
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process.env.TIMEOUT = String(timeout);
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notificationService.setConfig({
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email_enabled: email_enabled === true || email_enabled === 'true',
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email_host,
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email_port,
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email_user,
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email_pass: email_pass || process.env.EMAIL_PASS || '',
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email_from,
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email_to,
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webhook_enabled: webhook_enabled === true || webhook_enabled === 'true',
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webhook_url,
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});
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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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// Get historical check data for a resource
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app.get('/api/resources/:id/history', (req, res) => {
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const { id } = req.params;
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const { days = 7 } = req.query;
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const resource = db.prepare('SELECT * FROM resources WHERE id = ?').get(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 checks = db.prepare(`
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SELECT
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id,
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status,
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response_time,
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status_code,
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error_message,
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details,
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checked_at
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FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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ORDER BY checked_at ASC
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`).all(id, `-${days} days`);
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res.json({
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resource,
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checks,
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count: checks.length,
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});
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});
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// Get all resources' check history for dashboard
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app.get('/api/history/overview', (req, res) => {
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const { days = 7 } = req.query;
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const resources = db.prepare('SELECT * FROM resources WHERE enabled = 1 ORDER BY name').all();
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const overview = resources.map(resource => {
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const checks = db.prepare(`
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SELECT
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status,
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response_time,
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checked_at
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FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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ORDER BY checked_at ASC
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`).all(resource.id, `-${days} days`);
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const upCount = checks.filter(c => c.status === 'up').length;
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const uptime = checks.length > 0 ? (upCount / checks.length * 100) : 0;
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const avgResponseTime = checks.length > 0
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? checks.reduce((sum, c) => sum + (c.response_time || 0), 0) / checks.length
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: 0;
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return {
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id: resource.id,
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name: resource.name,
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type: resource.type,
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checks,
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uptime: uptime.toFixed(2),
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avgResponseTime: avgResponseTime.toFixed(0),
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};
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});
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res.json(overview);
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});
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// Acknowledge incident
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app.post('/api/incidents/:id/acknowledge', (req, res) => {
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const { id } = req.params;
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const { acknowledged_by } = req.body;
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const stmt = db.prepare(`
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UPDATE incidents
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SET acknowledged = 1, acknowledged_at = datetime('now'), acknowledged_by = ?
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WHERE id = ? AND resolved_at IS NULL
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`);
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const result = stmt.run(acknowledged_by || 'User', id);
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if (result.changes === 0) {
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return res.status(404).json({ error: 'Incident not found or already resolved' });
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}
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res.json({ message: 'Incident acknowledged' });
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});
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// Get SLA report
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app.get('/api/sla', (req, res) => {
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const { days = 30 } = req.query;
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const resources = db.prepare('SELECT * FROM resources WHERE enabled = 1').all();
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const slaData = resources.map(resource => {
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const checks = db.prepare(`
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SELECT status
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FROM checks
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WHERE resource_id = ? AND checked_at > datetime('now', ?)
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`).all(resource.id, `-${days} days`);
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const upCount = checks.filter(c => c.status === 'up').length;
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const actualUptime = checks.length > 0 ? (upCount / checks.length * 100) : 0;
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const target = resource.sla_target || 99.9;
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const meetsTarget = actualUptime >= target;
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const incidents = db.prepare(`
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SELECT COUNT(*) as count,
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SUM(julianday(COALESCE(resolved_at, datetime('now'))) - julianday(started_at)) * 24 * 60 as downtime_minutes
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FROM incidents
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WHERE resource_id = ? AND started_at > datetime('now', ?)
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`).get(resource.id, `-${days} days`);
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return {
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resource_id: resource.id,
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resource_name: resource.name,
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sla_target: target,
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actual_uptime: actualUptime.toFixed(2),
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meets_target: meetsTarget,
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total_checks: checks.length,
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successful_checks: upCount,
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incidents: incidents.count || 0,
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downtime_minutes: Math.round(incidents.downtime_minutes || 0),
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group_id: resource.group_id,
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};
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});
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res.json(slaData);
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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 with proper MIME types
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const mimeTypes = {
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'.js': 'application/javascript',
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'.css': 'text/css',
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'.json': 'application/json',
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'.png': 'image/png',
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'.jpg': 'image/jpeg',
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'.gif': 'image/gif',
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'.svg': 'image/svg+xml',
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'.woff': 'font/woff',
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'.woff2': 'font/woff2'
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};
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app.use(express.static(path.join(__dirname, '../client/build'), {
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setHeaders: (res, filePath) => {
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const ext = path.extname(filePath).toLowerCase();
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if (mimeTypes[ext]) {
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res.setHeader('Content-Type', mimeTypes[ext]);
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}
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}
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}));
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// Only serve index.html for non-file routes (no extension)
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app.get('*', (req, res, next) => {
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// If the request has a file extension, let static middleware handle it or 404
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if (path.extname(req.path)) {
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return next();
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}
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res.sendFile(path.join(__dirname, '../client/build/index.html'));
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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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