Sonde En Service
Surveillance de la santé serveur. Collez votre clé partagée (tableau de bord En Service).
Fichier non inscriptible : éditez ENSERVICE_KEY dans check.php, ou chmod u+w.
Test : check.php?check=all doit renvoyer du JSON.
(int)$free, 'total_bytes' => (int)$total]);
}
case 'load': {
$warn = es_qf('warn', 1.0); $crit = es_qf('crit', 2.0);
$la = function_exists('sys_getloadavg') ? sys_getloadavg() : [0, 0, 0];
$cores = (int)(@shell_exec('nproc 2>/dev/null') ?: 1) ?: 1;
$per = round($la[0] / $cores, 2);
es_out(es_thr($per, $warn, $crit), $per, "Charge " . round($la[0], 2) . " sur $cores coeur(s) = $per/coeur",
['load1' => round($la[0], 2), 'load5' => round($la[1], 2), 'load15' => round($la[2], 2), 'cores' => $cores]);
}
case 'mem': {
$warn = es_qf('warn', 85); $crit = es_qf('crit', 95); $m = es_meminfo();
$total = isset($m['MemTotal']) ? $m['MemTotal'] : 0;
$avail = isset($m['MemAvailable']) ? $m['MemAvailable'] : (isset($m['MemFree']) ? $m['MemFree'] : 0);
if (!$total) es_out('unknown', null, '/proc/meminfo illisible');
$used = round(($total - $avail) / $total * 100, 1);
es_out(es_thr($used, $warn, $crit), $used,
"Memoire : $used% utilisee (" . es_human_bytes((int)$avail) . " dispo / " . es_human_bytes((int)$total) . ")",
['available_bytes' => (int)$avail, 'total_bytes' => (int)$total]);
}
case 'swap': {
$warn = es_qf('warn', 40); $crit = es_qf('crit', 70); $m = es_meminfo();
$total = isset($m['SwapTotal']) ? $m['SwapTotal'] : 0; $free = isset($m['SwapFree']) ? $m['SwapFree'] : 0;
if (!$total) es_out('ok', 0, 'Pas de swap configure', ['total_bytes' => 0]);
$used = round(($total - $free) / $total * 100, 1);
es_out(es_thr($used, $warn, $crit), $used, "Swap : $used% utilise",
['free_bytes' => (int)$free, 'total_bytes' => (int)$total]);
}
case 'procs': {
$warn = es_qf('warn', 400); $crit = es_qf('crit', 600); $match = es_qs('match', '');
$out = @shell_exec('ps -e -o comm= 2>/dev/null') ?: '';
$lines = array_filter(explode("\n", trim($out)));
if ($match !== '') $lines = array_filter($lines, function ($l) use ($match) { return stripos($l, $match) !== false; });
$n = count($lines);
if ($match !== '' && $n === 0) es_out('crit', 0, "Aucun processus « $match »");
$status = $match !== '' ? 'ok' : es_thr($n, $warn, $crit);
es_out($status, $n, $match !== '' ? "$n processus « $match »" : "$n processus");
}
case 'users': {
$warn = es_qf('warn', 5); $crit = es_qf('crit', 10);
$out = trim((string)@shell_exec('who 2>/dev/null'));
$n = $out === '' ? 0 : count(array_filter(explode("\n", $out)));
es_out(es_thr($n, $warn, $crit), $n, "$n utilisateur(s) connecte(s)");
}
case 'file-age': {
$file = es_qs('file', ''); $warn = es_qf('warn', 90000); $crit = es_qf('crit', 172800);
if ($file === '' || !@is_file($file)) es_out('crit', null, "Fichier introuvable : $file");
$age = time() - (int)@filemtime($file);
es_out(es_thr($age, $warn, $crit), $age, "Modifie il y a " . round($age / 3600, 1) . " h", ['mtime' => (int)@filemtime($file)]);
}
case 'uptime': {
$warn = es_qf('warn', 600); $crit = es_qf('crit', 120); // secondes : trop bas = reboot recent
$up = (float)(@file_get_contents('/proc/uptime') ?: 0);
es_out(es_thr($up, $warn, $crit, false), (int)$up, "Uptime : " . round($up / 86400, 1) . " j");
}
case 'http': {
$url = es_qs('url', ''); $expect = es_qs('expect', ''); $warn = (int)es_qf('warn_ms', 0);
if ($url === '' || !preg_match('#^https?://#i', $url)) es_out('unknown', null, 'URL manquante/invalide');
$t0 = microtime(true);
$ch = curl_init($url);
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 15, CURLOPT_FOLLOWLOCATION => true, CURLOPT_SSL_VERIFYPEER => false]);
$body = curl_exec($ch); $code = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch);
$lat = (int)round((microtime(true) - $t0) * 1000);
if ($code === 0 || $code >= 500) es_out('crit', $lat, "Injoignable / 5xx ($code)");
if ($code >= 400) es_out('crit', $lat, "HTTP $code");
if ($expect !== '' && stripos((string)$body, $expect) === false) es_out('crit', $lat, "Mot-cle « $expect » absent");
if ($warn > 0 && $lat > $warn) es_out('warn', $lat, "Lent ($lat ms)");
es_out('ok', $lat, "HTTP $code", ['latency_ms' => $lat]);
}
case 'tcp': {
$host = es_qs('host', '127.0.0.1'); $port = (int)es_qf('port', 0); $to = (int)es_qf('timeout', 5);
if (!$port) es_out('unknown', null, 'Port manquant (?port=)');
$t0 = microtime(true);
$fp = @fsockopen($host, $port, $errno, $errstr, $to);
$lat = (int)round((microtime(true) - $t0) * 1000);
if (!$fp) es_out('crit', null, "$host:$port injoignable : " . ($errstr ?: 'timeout'));
fclose($fp);
es_out('ok', $lat, "$host:$port ouvert", ['latency_ms' => $lat]);
}
case 'all':
default: {
$checks = [];
$t = @disk_total_space('/'); $f = @disk_free_space('/');
$checks['disk'] = $t ? es_thr(round(($t - $f) / $t * 100, 1), 80, 90) : 'unknown';
$la = function_exists('sys_getloadavg') ? sys_getloadavg() : [0, 0, 0];
$cores = (int)(@shell_exec('nproc 2>/dev/null') ?: 1) ?: 1;
$checks['load'] = es_thr($la[0] / $cores, 1.0, 2.0);
$m = es_meminfo();
if (isset($m['MemTotal']) && $m['MemTotal'] > 0) {
$avail = isset($m['MemAvailable']) ? $m['MemAvailable'] : (isset($m['MemFree']) ? $m['MemFree'] : 0);
$checks['mem'] = es_thr(round(($m['MemTotal'] - $avail) / $m['MemTotal'] * 100, 1), 85, 95);
}
if (isset($m['SwapTotal']) && $m['SwapTotal'] > 0) {
$checks['swap'] = es_thr(round(($m['SwapTotal'] - (isset($m['SwapFree']) ? $m['SwapFree'] : 0)) / $m['SwapTotal'] * 100, 1), 40, 70);
}
$rank = ['ok' => 0, 'warn' => 1, 'crit' => 2, 'unknown' => 1]; $worst = 'ok';
foreach ($checks as $s) if ($rank[$s] > $rank[$worst]) $worst = $s;
es_out($worst, null,
$worst === 'ok' ? 'Tous les indicateurs serveur sont au vert' : 'Indicateur(s) serveur en anomalie',
['checks' => $checks, 'version' => ENSERVICE_PROBE_VERSION]);
}
}