openstack/openstack-manuals
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Modified image service documentation

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Moved a paragraph from table of contents page to the overview page.

Change-Id: I314e7399e7cfa48fe0911ff585b0defe3743a80a
Closes-Bug: #1643243
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Nickolas Vela 2017-01-13 18:26:04 -06:00
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doc/common/get-started-image-service.rst
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Image service overview
======================
The Image service (glance) enables users to discover,
register, and retrieve virtual machine images. It offers a
:term:`REST <RESTful>` API that enables you to query virtual
machine image metadata and retrieve an actual image.
You can store virtual machine images made available through
the Image service in a variety of locations, from simple file
systems to object-storage systems like OpenStack Object Storage.
.. important::
For simplicity, this guide describes configuring the Image service to
use the ``file`` back end, which uploads and stores in a
directory on the controller node hosting the Image service. By
default, this directory is ``/var/lib/glance/images/``.
Before you proceed, ensure that the controller node has at least
several gigabytes of space available in this directory. Keep in
mind that since the ``file`` back end is often local to a controller
node, it is not typically suitable for a multi-node glance deployment.
For information on requirements for other back ends, see
`Configuration Reference
<http://docs.openstack.org/newton/config-reference/image.html>`__.
The OpenStack Image service is central to Infrastructure-as-a-Service
(IaaS) as shown in :ref:`get_started_conceptual_architecture`. It accepts API
requests for disk or server images, and metadata definitions from end users or

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doc/install-guide/source/glance.rst
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@ -7,27 +7,3 @@ Image service
common/get-started-image-service.rst
glance-install.rst
glance-verify.rst
The Image service (glance) enables users to discover,
register, and retrieve virtual machine images. It offers a
:term:`REST <RESTful>` API that enables you to query virtual
machine image metadata and retrieve an actual image.
You can store virtual machine images made available through
the Image service in a variety of locations, from simple file
systems to object-storage systems like OpenStack Object Storage.
.. important::
For simplicity, this guide describes configuring the Image service to
use the ``file`` back end, which uploads and stores in a
directory on the controller node hosting the Image service. By
default, this directory is ``/var/lib/glance/images/``.
Before you proceed, ensure that the controller node has at least
several gigabytes of space available in this directory. Keep in
mind that since the ``file`` back end is often local to a controller
node, it is not typically suitable for a multi-node glance deployment.
For information on requirements for other back ends, see
`Configuration Reference
<http://docs.openstack.org/newton/config-reference/image.html>`__.