openstack/deb-sahara
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[sahara doc fix] registering image doc

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Change-Id: Ida0c399259e90b31ebe5a6aa9d074d4f3e2ff905
Partial-Bug: 1490687
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luhuichun 2015-09-04 04:25:48 +08:00
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doc/source/userdoc/registering_image.rst
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Registering an Image Registering an Image
==================== ====================
Sahara deploys a cluster of machines based on images stored in Glance. Sahara deploys a cluster of machines using images stored in Glance.
Each plugin has its own requirements on image contents, see specific plugin Each plugin has its own requirements on the image contents (see specific plugin
documentation for details. A general requirement for an image is to have the documentation for details). Two general requirements for an image are to have the
cloud-init package installed. cloud-init and the ssh-server packages installed.
Sahara requires the image to be registered in the Sahara Image Registry in order to work with it. Sahara requires the images to be registered in the Sahara Image Registry.
A registered image must have two properties set: A registered image must have two properties set:
* username - a name of the default cloud-init user. * username - a name of the default cloud-init user.
* tags - certain tags mark image to be suitable for certain plugins. * tags - certain tags mark image to be suitable for certain plugins.
The username depends on the image that is used and tags depend on the plugin used. The username depends on the image that is used and the tags depend on the plugin used.
You can find both in the respective plugin's documentation. You can find both in the respective plugin's documentation.