Munin contributed plugins

#!/usr/bin/php

<?php

/**

 * Drupal Forums and Comments

 * Munin plugin to count total forums and comments

 *

 * 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

 * env.table_prefix drupal_

 *

 * @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 Total Forums\n";

  echo "graph_args --base 1000 --lower-limit 0\n";

  echo "graph_vlabel Total Forums and comments Count / ${graph_period}\n";

  echo "graph_category Drupal\n";

  echo "graph_scale no\n";

  echo "graph_info Displays the sum of forums and comments made in your Drupal site\n";

  echo "forums_total.label total forums\n";

  echo "forums_total.type GAUGE\n";

  echo "comments_total.label total comments\n";

  echo "comments_total.type GAUGE\n";

  echo "forums_total.min 0\n";

  echo "comments_total.min 0\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

$forums_total = (int) get_forums_total($dbh);

$comments_total = (int) get_comments_total($dbh);

echo "forums_total.value $forums_total\n";

echo "comments_total.value $comments_total\n";

$dbh->close();

/**

 * Get count for all forums

 * @return integer $count total forums content type nodes created

 */

function get_forums_total(&$dbh = NULL) {

  $table_prefix = getenv('table_prefix');

  $sql = "SELECT COUNT(nid) AS count FROM {$table_prefix}node WHERE type = 'forum'";

  $result = $dbh->query($sql);

  $row = $result->fetch_assoc();

  return (int) $row['count'];

}

/**

 * Get count for all comments made through-out the site for a 'forum' node content type

 * @return integer $count all comments

 */

function get_comments_total(&$dbh = NULL) {

  $table_prefix = getenv('table_prefix');

  $sql = "SELECT COUNT(c.cid) AS count FROM {$table_prefix}comments c JOIN {$table_prefix}node n ON c.nid = n.nid WHERE n.type = 'forum'";

  $result = $dbh->query($sql);

  $row = $result->fetch_assoc();

  return (int) $row['count'];

}