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This patch adds Zaqar-specific contents of the OpenStack Installation Guide in the Zaqar repository per [1]. It only covers installation on Red Hat-based systems. Also this patch adds tox.ini environment for install-guide and adds openstackdocs-theme to test-requirements.txt. The Zaqar Installation Guide structure is based on Install Guide Cookiecutter: https://review.openstack.org/#/c/314229/. [1] http://specs.openstack.org/openstack/docs-specs/specs/newton/project-specific-installguides.html Change-Id: I72300c146b22511da4432775fc84e8c821a3fd12 Implements: blueprint install-guide-in-tree Partially-Implements: blueprint projectspecificinstallguides
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34 lines
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.. _install:
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Install and configure
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~~~~~~~~~~~~~~~~~~~~~
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This section describes how to install and configure the Messaging service,
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code-named zaqar.
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This section assumes that you already have a working OpenStack environment with
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at least Identity service installed.
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Note that installation and configuration vary by distribution.
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.. toctree::
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install-rdo.rst
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Possible Minimum Scalable HA Setup
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----------------------------------
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Scalable HA (High availability) setup is out of scope in this chapter.
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For a HA setup, a load balancer has to be placed in front of the web servers.
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To provide high availability with minimum administration overhead for storage
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use ``MongoDB`` driver and for transport use ``wsgi`` driver.
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To have a small footprint while providing HA, you can use two web servers which
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will host the application and three ``MongoDB`` servers (configured as
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replica-set) which will host Messaging service's management store and
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message store databases. At larger scale, the management store database and the
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message store database are advised to be hosted on different ``MongoDB``
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replica sets.
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