Munin contributed plugins

#!/usr/bin/php

<?php

/**

 * Drupal Node Distribution Count

 * Munin plugin to count node content type usage across a Drupal site

 *

 * 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);

}

$host = $host.':'.$port;

// Connect to database

mysql_connect($host, $user, $pass) or die ("Could not connect to database: ".

  mysql_error());

mysql_select_db($db) or die ("Could not select database: ".mysql_error());

// Get all node types (required for configuration information too)

$node_types = get_all_node_types_count();

if (count($argv) === 2 && $argv[1] === 'config') {

  echo "graph_title Drupal Node Distribution Count\n";

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

  echo "graph_vlabel Node Distribution Count / ${graph_period}\n";

  echo "graph_category Drupal\n";

  echo "graph_scale nol\n";

  echo "graph_info Displays the nodes content type distribution count in your Drupal site\n";

  foreach ($node_types as $node_type => $node_count) {

    echo "$node_type.label $node_type\n";

    echo "$node_type.type GAUGE\n";

    echo "$node_type.draw LINE2\n";

    echo "$node_type.min 0\n";

  }

  exit(0);

}

// Print out the actual values for each node type and it's count

//$node_count_all = (int) get_all_node_count();

//echo "nodes_total.value $node_count_all\n";

foreach ($node_types as $node_type => $node_count) {

  echo "$node_type.value $node_count\n";

}

/**

 * Get count for all nodes

 * @return integer $count total nodes created

 */

function get_all_node_count() {

  $table_prefix = getenv('table_prefix');

  $node_count = 0;

  // Get all node types and their count

  $result = mysql_query("SELECT COUNT(nid) AS count FROM {$table_prefix}node");

  $row = mysql_fetch_array($result, MYSQL_ASSOC);

  $node_count = (int) $row['count'];

  mysql_free_result($result);

  return $node_count;

}

/**

 * Get all node types and their count

 * @return array $node_types associative array of node types and their count

 */

function get_all_node_types_count() {

  $node_types = array();

  $table_prefix = getenv('table_prefix');

  // Get all node types and their count

  $result = mysql_query("SELECT COUNT(nid) AS count, type FROM

    {$table_prefix}node GROUP BY type");

  while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {

    if (empty($row['type']))

      continue;

    $node_types[$row['type']] = $row['count'];

  }

  mysql_free_result($result);

  return $node_types;

}