143 lines
5.7 KiB
PHP
143 lines
5.7 KiB
PHP
<?php
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// Allow Grafana proxy.
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header('Access-Control-Allow-Origin: *');
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header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
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header('Access-Control-Allow-Headers: Origin, Content-Type, Accept, X-Grafana-Org-Id, X-Grafana-NoCache, X-DS-Authorization, Authorization');
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// Get all request headers.
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$headers = apache_request_headers();
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$result_array = [];
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// Check if user and password has been sent.
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if ($headers['Authorization']) {
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// Get all POST data sent.
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$payload = json_decode(file_get_contents('php://input'), true);
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include_once '../../include/config.php';
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global $config;
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include_once $config['homedir'].'/include/functions_config.php';
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include_once $config['homedir'].'/include/functions.php';
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list($user, $password) = explode(':', base64_decode($headers['Authorization']));
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// Prevent sql injection.
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$user = mysqli_real_escape_string($config['dbconnection'], $user);
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// Check user login
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$user_in_db = process_user_login($user, $password, true);
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if ($user_in_db !== false) {
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// Check user ACL
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if (check_acl($user_in_db, 0, 'AR')) {
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include_once $config['homedir'].'/include/functions_db.php';
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include_once $config['homedir'].'/include/functions_graph.php';
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// Get graph data for each Grafana target
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foreach ($payload['targets'] as $target) {
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$sql_results = [];
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$result_data = [];
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// Decode target data sent by datasource plugin in Grafana
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$target_data = $target['target'];
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if ($target_data['module']) {
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// Get module name as target if not defined in Grafana.
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if (!$target_data['target']) {
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$target_data['target'] = io_safe_output(db_get_value_sql('SELECT nombre FROM tagente_modulo WHERE id_agente_modulo = '.$target_data['module']));
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}
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$target_data['interval'] = db_get_value_sql('SELECT module_interval FROM tagente_modulo WHERE id_agente_modulo = '.$target_data['module']);
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$params = [
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'agent_module_id' => $target_data['module'],
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'period' => (strtotime($payload['range']['to']) - strtotime($payload['range']['from'])),
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'date' => strtotime($payload['range']['to']),
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'return_data' => 1,
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'show_unknown' => true,
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'fullscale' => (bool) $target_data['tip'],
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'time_interval' => $target_data['interval'],
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];
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// Get all data.
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$data = grafico_modulo_sparse($params);
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$unknown_timestamps = [];
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// Set unknown data as null.
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foreach ($data['unknown1']['data'] as $d) {
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if (($d[1] == 1 && !$params['fullscale']) || ($d[1] == 0 && $params['fullscale'])) {
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$result_data[] = [
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null,
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$d[0],
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];
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}
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$unknown_timestamps[] = $d[0];
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}
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// Get each data if not in unknown timestamps
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foreach ($data['sum1']['data'] as $d) {
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if ($d[1] != false && !in_array($d[0], $unknown_timestamps)) {
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$result_data[] = [
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$d[1],
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$d[0],
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];
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}
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}
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// Sort all data by utimestamp (Grafana needs it).
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usort(
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$result_data,
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function ($a, $b) {
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return $a[1] > $b[1] ? 1 : -1;
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}
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);
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$rows = [];
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foreach ($result_data as $k => $v) {
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if (($result_data[$k][0] !== $result_data[($k - 1)][0]
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|| $result_data[$k][0] !== $result_data[($k + 1)][0])
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|| ($result_data[($k - 1)][0] === null
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&& $result_data[$k][0] !== null
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&& $result_data[$k][1] != (strtotime($payload['range']['to']) * 1000))
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|| ($result_data[($k - 1)][0] === $result_data[$k][0] && $result_data[$k][1] == (strtotime($payload['range']['to']) * 1000))
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) {
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$rows[] = $result_data[$k];
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}
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}
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if (!$params['fullscale']) {
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$target_data['target'] .= ' (avg)';
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}
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// Set all target info and data
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$result_array[] = [
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'type' => 'table',
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'target' => $target_data['target'],
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'refId' => $target_data['target'],
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'columns' => [
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[
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'text' => $target_data['target'],
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],
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[
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'text' => 'Time',
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'type' => 'time',
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],
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],
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'datapoints' => array_values($rows),
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];
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}
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}
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}
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}
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}
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// Numeric data in array must be numeric data in json (not text).
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$result = json_encode($result_array, JSON_NUMERIC_CHECK);
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echo $result;
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