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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Prometheus Dashboard</title>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
<style>
:root {
--bg-color: #ffffff;
--text-color: #000000;
--card-bg-color: #f8f9fa;
--card-header-bg: #007bff;
--card-header-text: #ffffff;
--table-bg-color: #ffffff;
--table-border-color: #dee2e6;
--list-bg-color: #ffffff;
--list-text-color: #000000;
}
[data-theme="dark"] {
--bg-color: #121212;
--text-color: #e0e0e0;
--card-bg-color: #1e1e1e;
--card-header-bg: #444444;
--card-header-text: #ffcc00;
--table-bg-color: #1e1e1e;
--table-border-color: #444444;
--list-bg-color: #1e1e1e;
--list-text-color: #e0e0e0;
}
body {
background-color: var(--bg-color);
color: var(--text-color);
}
.card {
background-color: var(--card-bg-color);
}
.card-header {
background-color: var(--card-header-bg);
color: var(--card-header-text);
}
table {
background-color: var(--table-bg-color) !important;
border-color: var(--table-border-color) !important;
color: var(--text-color) !important;
}
th,
td {
border-color: var(--table-border-color) !important;
}
thead {
background-color: var(--card-header-bg) !important;
color: var(--card-header-text) !important;
}
.list-group {
background-color: var(--list-bg-color) !important;
color: var(--list-text-color) !important;
}
.list-group-item {
background-color: var(--list-bg-color) !important;
color: var(--list-text-color) !important;
border-color: var(--table-border-color) !important;
}
</style>
<script>
// Function to toggle dark mode
function toggleDarkMode() {
const currentTheme = document.documentElement.getAttribute("data-theme");
const newTheme = currentTheme === "dark" ? "light" : "dark";
document.documentElement.setAttribute("data-theme", newTheme);
localStorage.setItem("theme", newTheme); // Save theme preference
}
// Auto-refresh every 60 seconds
setInterval(() => {
location.reload();
}, 60000);
// Load theme preference on page load
window.onload = function () {
const savedTheme = localStorage.getItem("theme") || "light";
document.documentElement.setAttribute("data-theme", savedTheme);
displayMetrics();
};
</script>
</head>
<body>
<div class="container mt-4">
<div class="d-flex justify-content-between align-items-center">
<h1>Prometheus Metrics Dashboard</h1>
<button class="btn btn-secondary" onclick="toggleDarkMode()">Toggle Dark Mode</button>
</div>
<div id="alerts"></div>
<div id="metrics"></div>
</div>
<script>
const backendApiUrl = "/api/query";
const alertsApiUrl = "/api/alerts";
async function fetchMetric(query) {
try {
const response = await fetch(backendApiUrl + "?query=" + encodeURIComponent(query));
const data = await response.json();
return data.data.result;
} catch (error) {
console.error("Error fetching metric:", error);
}
}
async function fetchAlerts() {
try {
const response = await fetch(alertsApiUrl);
const data = await response.json();
return data;
} catch (error) {
console.error("Error fetching alerts:", error);
}
}
async function displayMetrics() {
const metricsDiv = document.getElementById("metrics");
const alertsDiv = document.getElementById("alerts");
const alertData = await fetchAlerts();
let alertsContent = `
<div class="card mb-4">
<div class="card-header">
<h3>Alerts by Severity</h3>
</div>
<div class="card-body">
<ul class="list-group">
${Object.entries(alertData).map(([severity, count]) => `
<li class="list-group-item">${severity}: ${count} alerts</li>
`).join("")}
</ul>
</div>
</div>
`;
alertsDiv.innerHTML = alertsContent;
const queries = [ "count(capi_cluster_info)","count(kube_node_info)", "count(kube_pod_info)"];
const metricPromises = queries.map(query => fetchMetric(query));
const metricsData = await Promise.all(metricPromises);
let metricsContent = '';
queries.forEach((query, idx) => {
const metrics = metricsData[idx];
const metricValues = metrics?.map(m => ({
values: m.value[1]
})) || [];
metricsContent += `
<div class="card mb-4">
<div class="card-header">
<h3>Metric: ${query}</h3>
</div>
<div class="card-body">
<ul class="list-group">
${metricValues.length > 0
? metricValues.map(v => `<li class="list-group-item">${v.values}</li>`).join("")
: "<li class='list-group-item'>No data available</li>"
}
</ul>
</div>
</div>
`;
});
metricsDiv.innerHTML = metricsContent;
}
</script>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>