thayol/generic-stats
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thayol
2026-08-22 15:12:20 +02:00
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.gitignore
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config.php
stats.json
README.md
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# Generic Stats
A generic stats page for PHP capable webservers.
## Setup
Create `config.php` based on `config.php.example`.
config.php.example
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<?php
$stats_file = "stats.json";
$recalculate_cooldown_seconds = 5;
$show_actions = true;
$auto_recalculate_seconds = 86400;
$absolute_root = "/";
$disks = [
"Root" => [
"mount_point" => "/",
"categories" => [
"Additional Packages" => [
"path" => "/opt",
"color" => "cornflowerblue",
],
"User Pictures" => [
"path" => "/home/myuser/pics",
"color" => "peachpuff",
],
],
],
];
index.php
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<?php
require "config.php";
if (isset($_GET["recalculate"])) {
if (file_exists($stats_file)) {
$time = json_decode(file_get_contents($stats_file), true)["time"] ?? 0;
if ($time + $recalculate_cooldown_seconds < time()) {
unlink($stats_file);
}
}
header("Location: " . $absolute_root);
exit(0);
}
function human_readable_filesize(int $bytes, int $decimals = 1): string
{
$units = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB'];
$factor = $bytes > 0 ? floor(log($bytes, 1024)) : 0;
$factor = min($factor, count($units) - 1);
return sprintf("%.{$decimals}f %s", $bytes / (1024 ** $factor), $units[$factor]);
}
if (!file_exists($stats_file)) {
$stats = [
"storage" => $disks,
];
foreach ($stats["storage"] as $disk_name => $disk_stats) {
$stats["storage"][$disk_name]["total_bytes"] = disk_total_space($disk_stats["mount_point"]);
$stats["storage"][$disk_name]["used_bytes"] = (int) trim(shell_exec('df --block-size=1 --output=used ' . escapeshellarg($disk_stats["mount_point"]) . ' | tail -1'));
$other_used = $stats["storage"][$disk_name]["used_bytes"];
if (!isset($disk_stats["categories"])) {
$stats["storage"][$disk_name]["categories"] = [];
}
foreach ($disk_stats["categories"] as $category_name => $category_stats) {
$stats["storage"][$disk_name]["categories"][$category_name]["bytes"] = (int) shell_exec('du -sb ' . escapeshellarg($stats["storage"][$disk_name]["categories"][$category_name]["path"]) . ' | cut -f1');
$other_used -= $stats["storage"][$disk_name]["categories"][$category_name]["bytes"];
}
$stats["storage"][$disk_name]["categories"]["Other"] = [
"color" => "white",
"bytes" => max(0, $other_used),
];
}
$stats["time"] = time();
$stats = file_put_contents($stats_file, json_encode($stats), LOCK_EX);
}
$stats = json_decode(file_get_contents($stats_file), true);
if ($stats["time"] + $auto_recalculate_seconds < time()) {
header("Location: ?recalculate");
exit(0);
}
?>
<!doctype html>
<html>
<head>
<title>Stats</title>
<link rel="icon" href="/favicon.ico">
<meta charset="UTF-8">
<link rel="stylesheet" href="<?= $absolute_root ?>styles.css">
</head>
<body>
<main>
<div>
<h2>Storage</h2>
<?php foreach ($stats["storage"] as $disk_name => $disk_stats): ?>
<h3>
<?= $disk_name ?>
<?= human_readable_filesize($disk_stats["total_bytes"]) ?>
<?= round(100 * $disk_stats["used_bytes"] / $disk_stats["total_bytes"]) ?>%
</h3>
<div class="storage-gauge">
<?php foreach ($disk_stats["categories"] as $category_name => $category_stats): ?>
<div style="--width: <?= round(100 * $category_stats["bytes"] / $disk_stats["total_bytes"], 2) ?>%; --color: <?= $category_stats["color"] ?? "red" ?>"></div>
<?php endforeach; ?>
</div>
<div class="storage-breakdown">
<?php foreach ($disk_stats["categories"] as $category_name => $category_stats): ?>
<div>
<div class="storage-circle" style="--color: <?= $category_stats["color"] ?? "red" ?>"></div>
<p><?= human_readable_filesize($category_stats["bytes"]) ?></p>
<p><?= round(100 * $category_stats["bytes"] / $disk_stats["total_bytes"]) ?>%</p>
<p><?= $category_name ?></p>
</div>
<?php endforeach; ?>
</div>
<?php endforeach; ?>
</div>
<?php if ($show_actions): ?>
<div>
<h2>Actions</h2>
<form method="get">
<input type="hidden" name="recalculate"></input>
<button>Recalculate</button>
</form>
</div>
<?php endif; ?>
</main>
</body>
</html>
styles.css
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* {
box-sizing: border-box;
}
html, body {
background-color: black;
color: white;
font-family: sans-serif;
margin: 0;
}
body {
display: flex;
align-items: center;
justify-content: center;
}
h1, h2, h3, h4, h5, h6, p {
margin: 0;
}
main {
min-width: min(100svw, 600px);
border: 1px solid white;
padding: 20px;
display: flex;
flex-flow: column nowrap;
gap: 10px;
& > * {
flex: 0 0 auto;
display: flex;
flex-flow: column nowrap;
gap: 10px;
}
}
.storage-gauge {
width: 100%;
height: 20px;
overflow: hidden;
border-radius: 10px;
background-color: grey;
display: flex;
flex-flow: row nowrap;
align-items: stretch;
& > * {
flex: 0 0 auto;
display: inline-block;
width: var(--width);
background-color: var(--color);
}
}
.storage-breakdown {
display: flex;
gap: 10px;
flex-flow: column nowrap;
& > * {
flex: 0 0 auto;
display: flex;
flex-flow: row wrap;
align-items: center;
gap: 0.5em;
& > * {
flex: 0 0 auto;
margin: 0;
}
}
}
.storage-circle {
display: inline-block;
height: 1em;
width: 1em;
border-radius: 50%;
background-color: var(--color);
}