adding some drupal monitoring snippets

plugins/drupal/drupal_node_distribution_count.php

@@ -0,0 +1,122 @@
+#!/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;
+
+}
+