docs: Add new figure: Synnefo overall stack

Update the index page to refer to the new figure.
Keep the detailed view figure only on the Admin Guide.
parent bade3fbd
......@@ -6,20 +6,23 @@ Synnefo Administrator's Guide
This is the complete Synnefo Administrator's Guide.
.. _syn+archip:
General Synnefo Architecture
============================
The following graph shows the whole Synnefo architecture and how it interacts
with multiple Ganeti clusters. We hope that after reading the Administrator's
Guide you will be able to understand every component and all the interactions
between them. It is a good idea to first go through the Administrator's Guide
before proceeding.
The following figure shows a detailed view of the whole Synnefo architecture
and how it interacts with multiple Ganeti clusters. We hope that after reading
the Administrator's Guide you will be able to understand every component and
all the interactions between them.
.. image:: images/synnefo-arch2.png
:width: 100%
:target: _images/synnefo-arch2.png
Synnefo also supports RADOS as an alternative storage backend for
Files/Images/VM disks. You will find the :ref:`corresponding figure
<syn+archip+rados>` later in this guide.
Identity Service (Astakos)
......
......@@ -46,21 +46,27 @@ All Synnefo components use an intuitive settings mechanism, that adds and remove
settings dynamically as components are getting added or removed from a physical
node. All settings are stored in a single location.
.. _general-arch:
Synnefo General Architecture
============================
The following graph shows the whole Synnefo architecture and how it interacts
with multiple Ganeti clusters.
The following graph shows the whole Synnefo stack and how it interacts with
multiple Ganeti clusters and the storage backends. Synnefo decouples the cloud
from the cluster layer enhancing robustness, stability and ease of
administration. As shown in the figure below, Synnefo sits on the cloud layer:
.. image:: images/synnefo-arch2.png
.. image:: images/snf-architecture.png
:width: 100%
:target: _images/synnefo-arch2.png
:target: _images/snf-architecture.png
Synnefo manages multiple Ganeti clusters and different kind of storage backends
such as a Ceph/RADOS cluster or an NFS-based backend.
For an extensive view of all components and APIs between them, please take a
look at the Admin Guide's :ref:`corresponding figure <syn+archip>`.
Synnefo also supports RADOS as an alternative storage backend for
Files/Images/VM disks. :ref:`Here <syn+archip+rados>` is a graph that shows
Synnefo running with two different storage backends.
Synnefo Guides
==============
......
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