37 lines
1.1 KiB
PHP
Executable file
37 lines
1.1 KiB
PHP
Executable file
<?php
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$cfg = require __DIR__ . '/config.php';
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require __DIR__ . '/db.php';
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if ($cfg['cors_allow_origin']) {
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header('Access-Control-Allow-Origin: '.$cfg['cors_allow_origin']);
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header('Vary: Origin');
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}
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header('Content-Type: application/json');
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$db = db_open($cfg);
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$grace = (int)$cfg['up_grace_seconds'];
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$now = time();
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$rows = $db->query("
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SELECT h.host_id, h.location, h.last_seen,
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(SELECT cpu_pct FROM host_metrics WHERE host_id=h.host_id ORDER BY ts DESC LIMIT 1) AS cpu_pct,
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(SELECT mem_pct FROM host_metrics WHERE host_id=h.host_id ORDER BY ts DESC LIMIT 1) AS mem_pct
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FROM hosts h
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ORDER BY h.location, h.host_id
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")->fetchAll();
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$out = [];
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foreach ($rows as $r) {
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$up = ($now - (int)$r['last_seen']) <= $grace;
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$out[] = [
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'host_id' => $r['host_id'],
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'location' => $r['location'],
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'status' => $up ? 'UP' : 'DOWN',
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'cpu_pct' => is_null($r['cpu_pct']) ? null : round($r['cpu_pct'],1),
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'mem_pct' => is_null($r['mem_pct']) ? null : round($r['mem_pct'],1),
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'last_seen' => (int)$r['last_seen'],
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];
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}
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echo json_encode(['generated_at'=>$now, 'hosts'=>$out]);
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