Added php files for nagios monitoring

check_expiry.php

@@ -0,0 +1,49 @@
+#!/usr/bin/php
+<?php
+
+require_once __DIR__ . '/config/init.php';
+
+
+$jsonFile = __DIR__ . '/web_check.json';
+
+
+if (!file_exists($jsonFile)) {
+    echo "CRITICAL - JSON file not found\n";
+    exit(2);
+}
+
+$data = json_decode(file_get_contents($jsonFile), true);
+if (!$data) {
+    echo "CRITICAL - Invalid JSON\n";
+    exit(2);
+}
+
+$critical = [];
+$warning = [];
+
+foreach ($data as $site) {
+
+    $days = ssl_days_left($site['ssl-expiry']);
+
+    if ($days === null) continue;
+
+    if ($days <= SSL_CRITICAL_DAYS) {
+        $critical[] = $site['domain'] . " ($days days)";
+    }
+    elseif ($days <= SSL_WARNING_DAYS) {
+        $warning[] = $site['domain'] . " ($days days)";
+    }
+}
+
+if (!empty($critical)) {
+    echo "CRITICAL - SSL expiring soon: " . implode(', ', $critical) . "\n";
+    exit(2);
+}
+
+if (!empty($warning)) {
+    echo "WARNING - SSL expiring: " . implode(', ', $warning) . "\n";
+    exit(1);
+}
+
+echo "OK - No SSL expiring soon\n";
+exit(0);