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+This work is licensed under a Creative Commons Attribution 3.0 Unported
+License.
+
+http://creativecommons.org/licenses/by/3.0/legalcode
+
+=============================
+Zabbix Fuel plugin
+=============================
+
+Zabbix plugin for Fuel extends Mirantis OpenStack functionality
+by installing Zabbix monitoring system.
+Zabbix is configured to monitor every node and OpenStack services and APIs.
+
+Problem description
+===================
+
+Currently, Fuel has no support for monitoring nodes and OpenStack services.
+Zabbix plugin aims to provide support for it.
+
+Proposed change
+===============
+
+Implement a Fuel plugin that will install and configure the Zabbix monitoring
+system in HA configuration. Zabbix server will be installed on Controllers and
+Zabbix agent will be installed on every node.
+
+Alternatives
+------------
+
+It might have been implemented as part of Fuel core but we decided to make it
+as a plugin for several reasons:
+
+* This isn't something that all operators may want to deploy.
+* Any new additional functionality makes the project's testing more difficult,
+  which is an additional risk for the Fuel release.
+
+Data model impact
+-----------------
+
+None
+
+REST API impact
+---------------
+
+None
+
+Upgrade impact
+--------------
+
+None
+
+Security impact
+---------------
+
+None
+
+Notifications impact
+--------------------
+
+None
+
+Other end user impact
+---------------------
+
+None
+
+Performance Impact
+------------------
+
+Zabbix plugin has no direct performance impact on OpenStack, but it consumes
+additional resources (CPU, memory, database) and this should be considered and
+tested on a test environment before production use.
+
+Other deployer impact
+---------------------
+
+None
+
+Developer impact
+----------------
+
+None
+
+Implementation
+==============
+
+Plugin delivers official Zabbix packages with server, frontend and agent
+components. Plugin has several tasks:
+
+* The first task installs Zabbix server and frontend on Controller nodes.
+* The second task configures Zabbix server by installing monitoring templates.
+* The third task installs Zabbix agent on every node, adds the node to Zabbix
+  and links proper templates to the node using Zabbix server API.
+
+Zabbix server is installed on all Controller nodes and is managed by
+Pacemaker. It runs in active/passive mode where only one instance is active.
+Plugin installs a dedicated resource manager file (OCF) for this.
+Plugin configures Haproxy to provide one point of contact to the Zabbix server
+API for Zabbix agents and Zabbix frontend.
+
+Assignee(s)
+-----------
+
+| Dmitry Klenov <dklenov@mirantis.com> (PM)
+| Piotr Misiak <pmisiak@mirantis.com> (developer)
+| Szymon Bańka <sbanka@mirantis.com> (developer)
+| Alexander Zatserklyany <azatserklyany@mirantis.com> (QA engineer)
+
+Work Items
+----------
+
+* Implement the Fuel plugin.
+* Implement the Puppet manifests.
+* Testing.
+* Write the documentation.
+
+Dependencies
+============
+
+* Fuel 6.0 and higher.
+
+Testing
+=======
+
+* Prepare a test plan.
+* Test the plugin by deploying environments with all Fuel deployment modes.
+
+Documentation Impact
+====================
+
+* Deployment Guide (how to install the plugin, how to configure and deploy an
+  OpenStack environment with the plugin).
+* User Guide (which features the plugin provides, how to use them in the
+  deployed OpenStack environment).
+* Test Plan.
+* Test Report.
+
+References
+==========
+
+* `Official Zabbix site <http://www.zabbix.com>`_