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contrib-munin/plugins/drupal/drupal_users_online.php

171 lines
4.1 KiB
PHP
Executable File

#!/usr/bin/php
<?php
/**
* Drupal Users Online
* Munin plugin to count online users
*
* It's required to define a container entry for this plugin in your
* /etc/munin/plugin-conf.d/munin-node (or a separate and dedicated file).
*
* @example Example entry for configuration:
* [drupal*]
* env.db="drupal"
* env.user="mysql_user"
* env.pass="mysql_pass"
* env.host="localhost"
* env.port="3306"
*
* @author Liran Tal <liran.tal@hp.com>
* @version 1.0 2013
*
*/
/**
* Environment variabels are set by munin's configuration
* @see /etc/munin/plugin-conf.d/munin-node
*/
$db = getenv('db');
$host = getenv('host');
$user = getenv('user');
$pass = getenv('pass');
$port = getenv('port');
if (!$port)
$port = 3306;
$graph_period = getenv('graph_period');
if(count($argv) == 2 && $argv[1] == 'autoconf') {
echo "yes\n";
exit(0);
}
if (count($argv) === 2 && $argv[1] === 'config') {
echo "graph_title Drupal Online Users\n";
echo "graph_args --base 1000 --lower-limit 0\n";
echo "graph_vlabel Online Users Count / ${graph_period}\n";
echo "graph_category Drupal\n";
echo "graph_scale no\n";
echo "graph_info Displays the online users, members and anonymous, in your Drupal site\n";
echo "online_users.label online users\n";
echo "online_members.label online members\n";
echo "online_anonymous.label online anonymous\n";
echo "online_users.min 0\n";
echo "online_users.type GAUGE\n";
echo "online_members.min 0\n";
echo "online_members.type GAUGE\n";
echo "online_anonymous.min 0\n";
echo "online_anonymous.type GAUGE\n";
exit(0);
}
// Connect to database
$dbh = new mysqli($host, $user, $pass, $db, $port);
if (mysqli_connect_errno()) {
echo "Connecction failed: ".mysqli_connect_error(). PHP_EOL;
exit(1);
}
// Print out the actual values
$users_online_all = (int) get_all_online_users($dbh);
$users_members = (int) get_online_registered_users($dbh);
$users_anonymous = (int) get_online_anonymous_users($dbh);
echo "online_users.value $users_online_all\n";
echo "online_members.value $users_members\n";
echo "online_anonymous.value $users_anonymous\n";
$dbh->close();
/**
* Get count for all online users
* @return integer $count total online users
*/
function get_all_online_users(&$dbh = NULL, $active_interval = 900) {
$table_prefix = getenv('table_prefix');
$sql = "SELECT COUNT(DISTINCT(uid)) AS count FROM {$table_prefix}sessions
WHERE timestamp >= (UNIX_TIMESTAMP(now()) - ?)";
$stmt = $dbh->prepare($sql);
$stmt->bind_param("i", $active_interval);
$stmt->execute();
$count = 0;
$stmt->bind_result($count);
if ($stmt->fetch() === TRUE)
return (int) $count;
return 0;
}
/**
* Get count for online users which are registered members
* @return integer $count total registered users online
*/
function get_online_registered_users(&$dbh = NULL, $active_interval = 900) {
$table_prefix = getenv('table_prefix');
$sql = "SELECT COUNT(DISTINCT(uid)) AS count FROM sessions WHERE uid != 0
AND timestamp >= (UNIX_TIMESTAMP(now()) - ?)";
$stmt = $dbh->prepare($sql);
$stmt->bind_param("i", $active_interval);
$stmt->execute();
$count = 0;
$stmt->bind_result($count);
if ($stmt->fetch() === TRUE)
return (int) $count;
return 0;
}
/**
* Get count for anonymous users
* @param object $dbh database object
* @param integer $active_interval seconds of anonymous user activity to consider in results (defaults to 900)
* @return integer $count total anonymous users online
*/
function get_online_anonymous_users(&$dbh = NULL, $active_interval = 900) {
$table_prefix = getenv('table_prefix');
/**
* Returns anonymous users count who have been active for at least one hour
*/
$sql = "SELECT COUNT(DISTINCT(hostname)) AS count FROM
{$table_prefix}sessions WHERE uid = 0 AND timestamp >= (UNIX_TIMESTAMP(now()) - ?)";
/**
* If interested in all anonymous users count
*
* SELECT COUNT(DISTINCT(hostname)) AS count FROM sessions WHERE uid = 0
*/
$stmt = $dbh->prepare($sql);
$stmt->bind_param("i", $active_interval);
$stmt->execute();
$count = 0;
$stmt->bind_result($count);
if ($stmt->fetch() === TRUE)
return (int) $count;
return 0;
}