Added MongoDB monitoring feature

README.md

@@ -38,6 +38,8 @@ These cookbooks are defined as external dependencies:
 * [zabbix-cookbook]
 * [nginx]
 * [chef_handler]
+* [php]
+* [cron]
 
 All of them are available through the Opscode [community site][opscommunity].
 
@@ -62,6 +64,12 @@ Monitors the output of `apt-check` and reports, whether security or normal updat
 
 Monitors the duration of `chef-client` runs and the success status. Failed runs and continuously slow execution (>60 seconds) are reported. Makes use of [chef_handler] and registers as a [report handler][chef-wiki-handler].
 
+### <a name="recipes-mongodb"></a> MongoDB
+
+Monitors **MongoDB** through a custom PHP script connectiong to the MongoDB server instance. Originally based on the [mikoomi MongoDB plugin](https://code.google.com/p/mikoomi/wiki/03) using an [updated fork](https://github.com/nightw/mikoomi-zabbix-mongodb-monitoring)
+
+Credits for the original script go to the [mikoomi](https://code.google.com/p/mikoomi/) project.
+
 ### <a name="recipes-nginx"></a> nginx
 
 Monitors **Nginx** through the output of `HttpStubStatusModule` at `/server_status`. This means that Nginx has to be compiled with `--with-http_stub_status_module`.

attributes/default.rb

@@ -1 +1,8 @@
-default["zabbix_custom_checks"]["nginx"]["port"] = 80
+default["zabbix_custom_checks"]["nginx"]["port"] = 80
+
+default["zabbix_custom_checks"]["zabbix_server_address"] = '127.0.0.1'
+default["zabbix_custom_checks"]["zabbix_server_port"] = 10051
+
+default["zabbix_custom_checks"]["mongodb"]["host"] = '127.0.0.1'
+default["zabbix_custom_checks"]["mongodb"]["port"] = 27017
+default["zabbix_custom_checks"]["mongodb"]["node_name_in_zabbix"] = 'mongo_node1.mydomain.tld'

metadata.rb

@@ -9,6 +9,7 @@
 recipe "zabbix-custom-checks::apache2", "Monitors Apache2 status"
 recipe "zabbix-custom-checks::apt-check-update", "Monitors for system software updates"
 recipe "zabbix-custom-checks::chef-client", "Monitors results und execution time of chef run (as Zabbix traps)"
+recipe "zabbix-custom-checks::mongodb", "Monitors MongoDB status using a modified version of mikoomi Zabbix plugins"
 recipe "zabbix-custom-checks::nginx", "Monitors Nginx status"
 recipe "zabbix-custom-checks::openvz-virtual", "Monitors OpenVZ guest status"
 recipe "zabbix-custom-checks::redis", "Monitors Redis status"
@@ -17,3 +18,5 @@
 depends "zabbix"
 depends "nginx"
 depends "chef_handler"
+depends "php"
+depends "cron"

recipes/mongodb.rb

@@ -0,0 +1,42 @@
+#
+# Cookbook Name:: zabbix-custom-checks
+# Recipe:: mongodb
+#
+# Copyright 2014, Pal David Gergely <[email protected]>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+include_recipe "zabbix-custom-checks::default"
+
+# Install PHP with the Mongo PECL package, since it's required for
+# the mikoomi script to work
+include_recipe 'php'
+php_pear 'mongo'
+
+template "#{node[:zabbix][:external_dir]}/mikoomi-mongodb-plugin.php" do
+	source "mongodb/mikoomi-mongodb-plugin.php.erb"
+	mode "755"
+end
+
+template "#{node[:zabbix][:external_dir]}/mikoomi-mongodb-plugin.sh" do
+	source "mongodb/mikoomi-mongodb-plugin.sh.erb"
+	mode "755"
+end
+
+# Adding cron job to run the MongoDB monitoring script in every minute
+cron_d 'mongodb-monitoring' do
+    user    node[:zabbix][:agent][:user]
+    shell   '/bin/bash'
+    command "#{node[:zabbix][:external_dir]}/mikoomi-mongodb-plugin.sh -h #{node[:zabbix_custom_checks][:mongodb][:host]} -p #{node[:zabbix_custom_checks][:mongodb][:port]} -z #{node[:zabbix_custom_checks][:mongodb][:node_name_in_zabbix]} > /dev/null 2>&1"
+end