Added graylog support

html/includes/table/graylog.inc.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * LibreNMS
+ *
+ * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.  Please see LICENSE.txt at the top level of
+ * the source code distribution for details.
+ */
+
+$filter_hostname = mres($_POST['hostname']);
+$filter_range = mres($_POST['range']);
+
+if (isset($searchPhrase) && !empty($searchPhrase)) {
+    $query = 'message:"'.$searchPhrase.'"';
+}
+else {
+    $query = '*';
+}
+
+if (isset($current)) {
+    $offset = ($current * $rowCount) - ($rowCount);
+    $limit = $rowCount;
+}
+
+if ($rowCount != -1) {
+    $extra_query = "&limit=$limit&offset=$offset";
+}
+
+if (!empty($filter_hostname)) {
+    if (!empty($query)) {
+        $query .= ' && ';
+    }
+    $query .= 'source:"'.$filter_hostname.'"';
+}
+
+$graylog_url = $config['graylog']['server'] . ':' . $config['graylog']['port'] . '/search/universal/relative?query=' . urlencode($query) . '&range='. $filter_range . $extra_query;
+
+$context = stream_context_create(array(
+    'http' => array(
+        'header'  => "Authorization: Basic " . base64_encode($config['graylog']['username'].':'.$config['graylog']['password'])
+    )
+));
+
+$messages = json_decode(file_get_contents($graylog_url, false, $context),true);
+
+foreach ($messages['messages'] as $message) {
+    $response[] = array(
+                      'timestamp' => $message['message']['timestamp'],
+                      'source'    => $message['message']['source'],
+                      'message'    => $message['message']['message'],
+                      'facility'  => $message['message']['facility'],
+                      'level'     => $message['message']['level'],
+    );
+}
+
+$total = $messages['total_results'];
+
+$output = array('current'=>$current,'rowCount'=>$rowCount,'rows'=>$response,'total'=>$total);
+echo _json_encode($output);