feat: add monitoring dashboard and metrics collector

هذا الالتزام موجود في:
2026-07-29 05:52:34 +03:00
الأصل 32aa897442
التزام 8a82a97c35
3 ملفات معدلة مع 771 إضافات و0 حذوفات

عرض الملف

@@ -0,0 +1,437 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Mithal Monitor Dashboard</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<style>
:root {
--bg: #0f172a;
--bg-soft: #111c38;
--card: rgba(15, 23, 42, 0.88);
--card-border: rgba(148, 163, 184, 0.18);
--text: #e2e8f0;
--muted: #94a3b8;
--accent: #38bdf8;
--good: #22c55e;
--bad: #ef4444;
--warn: #f59e0b;
--shadow: 0 18px 60px rgba(2, 6, 23, 0.45);
}
* { box-sizing: border-box; }
body {
margin: 0;
font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
color: var(--text);
background:
radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 34%),
radial-gradient(circle at top right, rgba(34, 197, 94, 0.14), transparent 28%),
linear-gradient(180deg, #020617 0%, var(--bg) 45%, #020617 100%);
min-height: 100vh;
}
.page {
max-width: 1280px;
margin: 0 auto;
padding: 32px 20px 48px;
}
.hero {
display: flex;
justify-content: space-between;
gap: 16px;
align-items: end;
margin-bottom: 24px;
flex-wrap: wrap;
}
.eyebrow {
text-transform: uppercase;
letter-spacing: 0.18em;
color: var(--accent);
font-size: 12px;
margin-bottom: 8px;
}
h1 {
margin: 0;
font-size: clamp(2rem, 5vw, 3.6rem);
line-height: 1;
}
.subhead {
margin-top: 10px;
color: var(--muted);
max-width: 680px;
}
.status-pill {
padding: 10px 14px;
border-radius: 999px;
background: rgba(15, 23, 42, 0.7);
border: 1px solid var(--card-border);
color: var(--muted);
box-shadow: var(--shadow);
white-space: nowrap;
}
.grid {
display: grid;
gap: 18px;
}
.metrics-grid {
grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
margin-bottom: 18px;
}
.card {
background: var(--card);
border: 1px solid var(--card-border);
border-radius: 20px;
padding: 18px;
box-shadow: var(--shadow);
backdrop-filter: blur(10px);
}
.metric-label {
color: var(--muted);
font-size: 13px;
margin-bottom: 10px;
}
.metric-value {
font-size: 2rem;
font-weight: 700;
line-height: 1.1;
}
.metric-note {
margin-top: 8px;
color: var(--muted);
font-size: 13px;
min-height: 18px;
}
.good { color: var(--good); }
.bad { color: var(--bad); }
.warn { color: var(--warn); }
.panel-title {
margin: 0 0 14px;
font-size: 18px;
}
.chart-wrap {
height: 380px;
}
table {
width: 100%;
border-collapse: collapse;
}
th, td {
text-align: left;
padding: 12px 10px;
border-bottom: 1px solid rgba(148, 163, 184, 0.14);
vertical-align: top;
font-size: 14px;
}
th {
color: var(--muted);
font-weight: 600;
}
.table-scroll {
overflow-x: auto;
}
.small {
color: var(--muted);
font-size: 13px;
}
.footer-note {
margin-top: 14px;
color: var(--muted);
font-size: 13px;
}
@media (max-width: 720px) {
.page { padding: 18px 14px 34px; }
.card { padding: 16px; }
.metric-value { font-size: 1.6rem; }
.chart-wrap { height: 320px; }
}
</style>
</head>
<body>
<main class="page">
<section class="hero">
<div>
<div class="eyebrow">Mithal.space monitoring</div>
<h1>Live uptime and latency dashboard</h1>
<p class="subhead">This page reads <strong>metrics.json</strong>, summarizes the last 24 hours, and refreshes automatically every 60 seconds.</p>
</div>
<div class="status-pill" id="lastRefresh">Waiting for data...</div>
</section>
<section class="grid metrics-grid">
<div class="card">
<div class="metric-label">Uptime percentage (24h)</div>
<div class="metric-value" id="uptimePercentage">--</div>
<div class="metric-note" id="uptimeNote"></div>
</div>
<div class="card">
<div class="metric-label">Latest HTTP latency</div>
<div class="metric-value" id="latestLatency">--</div>
<div class="metric-note" id="latencyNote"></div>
</div>
<div class="card">
<div class="metric-label">Latest DNS lookup time</div>
<div class="metric-value" id="latestDns">--</div>
<div class="metric-note" id="dnsNote"></div>
</div>
<div class="card">
<div class="metric-label">SSL status</div>
<div class="metric-value" id="sslStatus">--</div>
<div class="metric-note" id="sslNote"></div>
</div>
<div class="card">
<div class="metric-label">SSL expiration date</div>
<div class="metric-value" id="sslExpiry">--</div>
<div class="metric-note" id="sslExpiryNote"></div>
</div>
<div class="card">
<div class="metric-label">Latest search response time</div>
<div class="metric-value" id="latestSearch">--</div>
<div class="metric-note" id="searchNote"></div>
</div>
</section>
<section class="card" style="margin-bottom: 18px;">
<h2 class="panel-title">Latency line chart</h2>
<div class="chart-wrap">
<canvas id="latencyChart"></canvas>
</div>
</section>
<section class="card">
<h2 class="panel-title">Latest 10 monitoring records</h2>
<div class="table-scroll">
<table>
<thead>
<tr>
<th>Timestamp</th>
<th>Status</th>
<th>Uptime</th>
<th>Latency</th>
<th>DNS</th>
<th>SSL</th>
<th>SSL Expiry</th>
<th>Search</th>
</tr>
</thead>
<tbody id="recordsBody"></tbody>
</table>
</div>
<div class="footer-note" id="errorNote"></div>
</section>
</main>
<script>
const metricsPath = 'metrics.json';
let latencyChart = null;
function safeNumber(value, digits = 2) {
if (value === null || value === undefined || Number.isNaN(Number(value))) {
return '--';
}
return `${Number(value).toFixed(digits)} ms`;
}
function formatTimestamp(timestamp) {
if (!timestamp) {
return '--';
}
const date = new Date(timestamp);
if (Number.isNaN(date.getTime())) {
return timestamp;
}
return date.toLocaleString();
}
function formatBoolean(value) {
if (value === true) {
return 'UP';
}
if (value === false) {
return 'DOWN';
}
return '--';
}
function setMetric(id, value, unit = 'ms', noteId = null, error = null) {
const valueEl = document.getElementById(id);
const noteEl = noteId ? document.getElementById(noteId) : null;
if (!valueEl) {
return;
}
if (value === null || value === undefined) {
valueEl.textContent = '--';
valueEl.className = 'metric-value warn';
} else if (unit === 'bool') {
valueEl.textContent = formatBoolean(value);
valueEl.className = `metric-value ${value ? 'good' : 'bad'}`;
} else if (unit === 'text') {
valueEl.textContent = String(value);
valueEl.className = 'metric-value';
} else {
valueEl.textContent = safeNumber(value);
valueEl.className = 'metric-value';
}
if (noteEl) {
noteEl.textContent = error || '';
}
}
function calculateUptimePercentage(records) {
const lastDay = Date.now() - (24 * 60 * 60 * 1000);
const recentRecords = records.filter((record) => {
const time = new Date(record.timestamp).getTime();
return !Number.isNaN(time) && time >= lastDay;
});
if (!recentRecords.length) {
return { percentage: null, count: 0 };
}
const successful = recentRecords.filter((record) => record.uptime === true).length;
return {
percentage: Math.round((successful / recentRecords.length) * 1000) / 10,
count: recentRecords.length,
};
}
function buildChart(records) {
const canvas = document.getElementById('latencyChart');
const labels = records.map((record) => formatTimestamp(record.timestamp));
const data = records.map((record) => record.latency_ms ?? null);
if (latencyChart) {
latencyChart.destroy();
}
latencyChart = new Chart(canvas, {
type: 'line',
data: {
labels,
datasets: [{
label: 'HTTP latency (ms)',
data,
tension: 0.35,
borderColor: '#38bdf8',
backgroundColor: 'rgba(56, 189, 248, 0.15)',
pointRadius: 3,
pointHoverRadius: 5,
fill: true,
spanGaps: true,
}],
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: {
labels: { color: '#e2e8f0' },
},
},
scales: {
x: {
ticks: { color: '#94a3b8', maxRotation: 0, autoSkip: true },
grid: { color: 'rgba(148, 163, 184, 0.12)' },
},
y: {
ticks: { color: '#94a3b8' },
grid: { color: 'rgba(148, 163, 184, 0.12)' },
},
},
},
});
}
function renderTable(records) {
const body = document.getElementById('recordsBody');
body.innerHTML = '';
const latestRecords = records.slice(-10).reverse();
if (!latestRecords.length) {
body.innerHTML = '<tr><td colspan="8" class="small">No records available yet.</td></tr>';
return;
}
for (const record of latestRecords) {
const row = document.createElement('tr');
row.innerHTML = `
<td>${formatTimestamp(record.timestamp)}</td>
<td>${record.status_code ?? '--'}</td>
<td class="${record.uptime === true ? 'good' : record.uptime === false ? 'bad' : 'warn'}">${formatBoolean(record.uptime)}</td>
<td>${record.latency_ms ?? '--'}${record.latency_ms === null && record.latency_ms_error ? `<div class="small">${record.latency_ms_error}</div>` : ''}</td>
<td>${record.dns_lookup_ms ?? '--'}${record.dns_lookup_ms === null && record.dns_lookup_ms_error ? `<div class="small">${record.dns_lookup_ms_error}</div>` : ''}</td>
<td class="${record.ssl_valid === true ? 'good' : record.ssl_valid === false ? 'bad' : 'warn'}">${formatBoolean(record.ssl_valid)}</td>
<td>${record.ssl_expiry ?? '--'}${record.ssl_expiry === null && record.ssl_expiry_error ? `<div class="small">${record.ssl_expiry_error}</div>` : ''}</td>
<td>${record.search_response_ms ?? '--'}${record.search_response_ms === null && record.search_response_ms_error ? `<div class="small">${record.search_response_ms_error}</div>` : ''}</td>
`;
body.appendChild(row);
}
}
function renderSummary(records) {
const latest = records[records.length - 1] || {};
const uptimeSummary = calculateUptimePercentage(records);
document.getElementById('uptimePercentage').textContent = uptimeSummary.percentage === null ? '--' : `${uptimeSummary.percentage}%`;
document.getElementById('uptimeNote').textContent = uptimeSummary.count ? `${uptimeSummary.count} records in the last 24 hours` : 'No recent records';
setMetric('latestLatency', latest.latency_ms, 'ms', 'latencyNote', latest.latency_ms_error || null);
setMetric('latestDns', latest.dns_lookup_ms, 'ms', 'dnsNote', latest.dns_lookup_ms_error || null);
setMetric('sslStatus', latest.ssl_valid, 'bool', 'sslNote', latest.ssl_valid_error || null);
document.getElementById('sslExpiry').textContent = latest.ssl_expiry || '--';
document.getElementById('sslExpiryNote').textContent = latest.ssl_expiry_error || '';
setMetric('latestSearch', latest.search_response_ms, 'ms', 'searchNote', latest.search_response_ms_error || null);
document.getElementById('lastRefresh').textContent = `Last updated: ${new Date().toLocaleTimeString()}`;
}
async function loadMetrics() {
const errorNote = document.getElementById('errorNote');
try {
const response = await fetch(`${metricsPath}?t=${Date.now()}`, { cache: 'no-store' });
if (!response.ok) {
throw new Error(`Failed to load metrics.json (${response.status})`);
}
const data = await response.json();
const records = Array.isArray(data) ? data : [];
renderSummary(records);
buildChart(records);
renderTable(records);
errorNote.textContent = '';
} catch (error) {
errorNote.textContent = `Unable to load metrics: ${error.message}`;
}
}
loadMetrics();
setInterval(loadMetrics, 60000);
</script>
</body>
</html>