service.js 3.25 KB
const express = require('express');
const { exec } = require('child_process');
const { isAuthenticated } = require('../middleware/auth');
const router = express.Router();

function runCmd(cmd) {
  return new Promise((resolve) => {
    exec(cmd, { timeout: 10000 }, (err, stdout, stderr) => {
      resolve({ success: !err, output: stdout || stderr || (err ? err.message : '') });
    });
  });
}

// Status semua service PXE
router.get('/status', isAuthenticated, async (req, res) => {
  const services = ['dnsmasq', 'nginx', 'ipxe'];
  const statuses = await Promise.all(services.map(async (svc) => {
    const result = await runCmd(`systemctl is-active ${svc} 2>/dev/null || echo inactive`);
    const isActive = result.output.trim() === 'active';
    return { name: svc, active: isActive, status: result.output.trim() };
  }));

  // Disk usage PXE root
  const diskResult = await runCmd(`df -h /var/www/html 2>/dev/null | tail -1`);
  const uptimeResult = await runCmd('uptime -p');

  res.render('service', {
    statuses,
    diskInfo: diskResult.output.trim(),
    uptime: uptimeResult.output.trim(),
    title: 'Status Service'
  });
});

// API: status JSON (untuk polling)
router.get('/api/status', isAuthenticated, async (req, res) => {
  const services = ['dnsmasq', 'nginx', 'ipxe'];
  const statuses = await Promise.all(services.map(async (svc) => {
    const result = await runCmd(`systemctl is-active ${svc} 2>/dev/null || echo inactive`);
    return { name: svc, active: result.output.trim() === 'active', status: result.output.trim() };
  }));
  res.json({ statuses, timestamp: new Date() });
});

// Restart service
router.post('/restart/:service', isAuthenticated, async (req, res) => {
  const allowed = ['dnsmasq', 'nginx', 'ipxe'];
  const service = req.params.service;

  if (!allowed.includes(service)) {
    req.flash('error', 'Service tidak diizinkan');
    return res.redirect('/service/status');
  }

  const result = await runCmd(`sudo systemctl restart ${service}`);
  if (result.success) {
    req.flash('success', `Service ${service} berhasil direstart`);
  } else {
    req.flash('error', `Gagal restart ${service}: ${result.output}`);
  }
  res.redirect('/service/status');
});

// Stop service
router.post('/stop/:service', isAuthenticated, async (req, res) => {
  const allowed = ['dnsmasq', 'nginx', 'ipxe'];
  const service = req.params.service;
  if (!allowed.includes(service)) {
    req.flash('error', 'Service tidak diizinkan');
    return res.redirect('/service/status');
  }
  const result = await runCmd(`sudo systemctl stop ${service}`);
  req.flash(result.success ? 'success' : 'error',
    result.success ? `Service ${service} dihentikan` : `Gagal: ${result.output}`);
  res.redirect('/service/status');
});

// Start service
router.post('/start/:service', isAuthenticated, async (req, res) => {
  const allowed = ['dnsmasq', 'nginx', 'ipxe'];
  const service = req.params.service;
  if (!allowed.includes(service)) {
    req.flash('error', 'Service tidak diizinkan');
    return res.redirect('/service/status');
  }
  const result = await runCmd(`sudo systemctl start ${service}`);
  req.flash(result.success ? 'success' : 'error',
    result.success ? `Service ${service} dijalankan` : `Gagal: ${result.output}`);
  res.redirect('/service/status');
});

module.exports = router;